1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2020 Fuzhou Rockchip Electronics Co., Ltd
4*4882a593Smuzhiyun * Author: Joseph Chen <chenjh@rock-chips.com>
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <bitfield.h>
9*4882a593Smuzhiyun #include <clk-uclass.h>
10*4882a593Smuzhiyun #include <dm.h>
11*4882a593Smuzhiyun #include <errno.h>
12*4882a593Smuzhiyun #include <syscon.h>
13*4882a593Smuzhiyun #include <asm/arch/clock.h>
14*4882a593Smuzhiyun #include <asm/arch/cru_rk3568.h>
15*4882a593Smuzhiyun #include <asm/arch/grf_rk3568.h>
16*4882a593Smuzhiyun #include <asm/arch/hardware.h>
17*4882a593Smuzhiyun #include <asm/io.h>
18*4882a593Smuzhiyun #include <dm/lists.h>
19*4882a593Smuzhiyun #include <dt-bindings/clock/rk3568-cru.h>
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #define RK3568_CPUCLK_RATE(_rate, _aclk_div, _pclk_div) \
24*4882a593Smuzhiyun { \
25*4882a593Smuzhiyun .rate = _rate##U, \
26*4882a593Smuzhiyun .aclk_div = _aclk_div, \
27*4882a593Smuzhiyun .pclk_div = _pclk_div, \
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun static struct rockchip_cpu_rate_table rk3568_cpu_rates[] = {
33*4882a593Smuzhiyun RK3568_CPUCLK_RATE(1416000000, 1, 5),
34*4882a593Smuzhiyun RK3568_CPUCLK_RATE(1296000000, 1, 5),
35*4882a593Smuzhiyun RK3568_CPUCLK_RATE(1200000000, 1, 3),
36*4882a593Smuzhiyun RK3568_CPUCLK_RATE(1104000000, 1, 3),
37*4882a593Smuzhiyun RK3568_CPUCLK_RATE(1008000000, 1, 3),
38*4882a593Smuzhiyun RK3568_CPUCLK_RATE(912000000, 1, 3),
39*4882a593Smuzhiyun RK3568_CPUCLK_RATE(816000000, 1, 3),
40*4882a593Smuzhiyun RK3568_CPUCLK_RATE(600000000, 1, 1),
41*4882a593Smuzhiyun RK3568_CPUCLK_RATE(408000000, 1, 1),
42*4882a593Smuzhiyun { /* sentinel */ },
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun static struct rockchip_pll_rate_table rk3568_pll_rates[] = {
46*4882a593Smuzhiyun /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */
47*4882a593Smuzhiyun RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0),
48*4882a593Smuzhiyun RK3036_PLL_RATE(1416000000, 1, 118, 2, 1, 1, 0),
49*4882a593Smuzhiyun RK3036_PLL_RATE(1296000000, 1, 108, 2, 1, 1, 0),
50*4882a593Smuzhiyun RK3036_PLL_RATE(1200000000, 1, 100, 2, 1, 1, 0),
51*4882a593Smuzhiyun RK3036_PLL_RATE(1188000000, 1, 99, 2, 1, 1, 0),
52*4882a593Smuzhiyun RK3036_PLL_RATE(1104000000, 1, 92, 2, 1, 1, 0),
53*4882a593Smuzhiyun RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0),
54*4882a593Smuzhiyun RK3036_PLL_RATE(1000000000, 3, 250, 2, 1, 1, 0),
55*4882a593Smuzhiyun RK3036_PLL_RATE(912000000, 1, 76, 2, 1, 1, 0),
56*4882a593Smuzhiyun RK3036_PLL_RATE(816000000, 1, 68, 2, 1, 1, 0),
57*4882a593Smuzhiyun RK3036_PLL_RATE(600000000, 1, 100, 4, 1, 1, 0),
58*4882a593Smuzhiyun RK3036_PLL_RATE(594000000, 1, 99, 4, 1, 1, 0),
59*4882a593Smuzhiyun RK3036_PLL_RATE(500000000, 1, 125, 6, 1, 1, 0),
60*4882a593Smuzhiyun RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0),
61*4882a593Smuzhiyun RK3036_PLL_RATE(400000000, 1, 100, 6, 1, 1, 0),
62*4882a593Smuzhiyun RK3036_PLL_RATE(200000000, 1, 100, 6, 2, 1, 0),
63*4882a593Smuzhiyun RK3036_PLL_RATE(100000000, 1, 150, 6, 6, 1, 0),
64*4882a593Smuzhiyun { /* sentinel */ },
65*4882a593Smuzhiyun };
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun static struct rockchip_pll_clock rk3568_pll_clks[] = {
68*4882a593Smuzhiyun [APLL] = PLL(pll_rk3328, PLL_APLL, RK3568_PLL_CON(0),
69*4882a593Smuzhiyun RK3568_MODE_CON, 0, 10, 0, rk3568_pll_rates),
70*4882a593Smuzhiyun [DPLL] = PLL(pll_rk3328, PLL_DPLL, RK3568_PLL_CON(8),
71*4882a593Smuzhiyun RK3568_MODE_CON, 2, 10, 0, NULL),
72*4882a593Smuzhiyun [CPLL] = PLL(pll_rk3328, PLL_CPLL, RK3568_PLL_CON(24),
73*4882a593Smuzhiyun RK3568_MODE_CON, 4, 10, 0, rk3568_pll_rates),
74*4882a593Smuzhiyun [GPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PLL_CON(16),
75*4882a593Smuzhiyun RK3568_MODE_CON, 6, 10, 0, rk3568_pll_rates),
76*4882a593Smuzhiyun [NPLL] = PLL(pll_rk3328, PLL_NPLL, RK3568_PLL_CON(32),
77*4882a593Smuzhiyun RK3568_MODE_CON, 10, 10, 0, rk3568_pll_rates),
78*4882a593Smuzhiyun [VPLL] = PLL(pll_rk3328, PLL_VPLL, RK3568_PLL_CON(40),
79*4882a593Smuzhiyun RK3568_MODE_CON, 12, 10, 0, rk3568_pll_rates),
80*4882a593Smuzhiyun [PPLL] = PLL(pll_rk3328, PLL_PPLL, RK3568_PMU_PLL_CON(0),
81*4882a593Smuzhiyun RK3568_PMU_MODE, 0, 10, 0, rk3568_pll_rates),
82*4882a593Smuzhiyun [HPLL] = PLL(pll_rk3328, PLL_HPLL, RK3568_PMU_PLL_CON(16),
83*4882a593Smuzhiyun RK3568_PMU_MODE, 2, 10, 0, rk3568_pll_rates),
84*4882a593Smuzhiyun };
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
87*4882a593Smuzhiyun #define RK3568_CLK_DUMP(_id, _name, _iscru) \
88*4882a593Smuzhiyun { \
89*4882a593Smuzhiyun .id = _id, \
90*4882a593Smuzhiyun .name = _name, \
91*4882a593Smuzhiyun .is_cru = _iscru, \
92*4882a593Smuzhiyun }
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun static const struct rk3568_clk_info clks_dump[] = {
95*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_APLL, "apll", true),
96*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_DPLL, "dpll", true),
97*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_GPLL, "gpll", true),
98*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_CPLL, "cpll", true),
99*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_NPLL, "npll", true),
100*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_VPLL, "vpll", true),
101*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_HPLL, "hpll", false),
102*4882a593Smuzhiyun RK3568_CLK_DUMP(PLL_PPLL, "ppll", false),
103*4882a593Smuzhiyun RK3568_CLK_DUMP(ARMCLK, "armclk", true),
104*4882a593Smuzhiyun RK3568_CLK_DUMP(ACLK_BUS, "aclk_bus", true),
105*4882a593Smuzhiyun RK3568_CLK_DUMP(PCLK_BUS, "pclk_bus", true),
106*4882a593Smuzhiyun RK3568_CLK_DUMP(ACLK_TOP_HIGH, "aclk_top_high", true),
107*4882a593Smuzhiyun RK3568_CLK_DUMP(ACLK_TOP_LOW, "aclk_top_low", true),
108*4882a593Smuzhiyun RK3568_CLK_DUMP(HCLK_TOP, "hclk_top", true),
109*4882a593Smuzhiyun RK3568_CLK_DUMP(PCLK_TOP, "pclk_top", true),
110*4882a593Smuzhiyun RK3568_CLK_DUMP(ACLK_PERIMID, "aclk_perimid", true),
111*4882a593Smuzhiyun RK3568_CLK_DUMP(HCLK_PERIMID, "hclk_perimid", true),
112*4882a593Smuzhiyun RK3568_CLK_DUMP(PCLK_PMU, "pclk_pmu", false),
113*4882a593Smuzhiyun };
114*4882a593Smuzhiyun #endif
115*4882a593Smuzhiyun
116*4882a593Smuzhiyun static ulong __maybe_unused
rk3568_pmu_pll_set_rate(struct rk3568_clk_priv * priv,ulong pll_id,ulong rate)117*4882a593Smuzhiyun rk3568_pmu_pll_set_rate(struct rk3568_clk_priv *priv,
118*4882a593Smuzhiyun ulong pll_id, ulong rate)
119*4882a593Smuzhiyun {
120*4882a593Smuzhiyun struct udevice *pmucru_dev;
121*4882a593Smuzhiyun struct rk3568_pmuclk_priv *pmu_priv;
122*4882a593Smuzhiyun int ret;
123*4882a593Smuzhiyun
124*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_CLK,
125*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_rk3568_pmucru),
126*4882a593Smuzhiyun &pmucru_dev);
127*4882a593Smuzhiyun if (ret) {
128*4882a593Smuzhiyun printf("%s: could not find pmucru device\n", __func__);
129*4882a593Smuzhiyun return ret;
130*4882a593Smuzhiyun }
131*4882a593Smuzhiyun pmu_priv = dev_get_priv(pmucru_dev);
132*4882a593Smuzhiyun
133*4882a593Smuzhiyun rockchip_pll_set_rate(&rk3568_pll_clks[pll_id],
134*4882a593Smuzhiyun pmu_priv->pmucru, pll_id, rate);
135*4882a593Smuzhiyun
136*4882a593Smuzhiyun return 0;
137*4882a593Smuzhiyun }
138*4882a593Smuzhiyun
rk3568_pmu_pll_get_rate(struct rk3568_clk_priv * priv,ulong pll_id)139*4882a593Smuzhiyun static ulong rk3568_pmu_pll_get_rate(struct rk3568_clk_priv *priv,
140*4882a593Smuzhiyun ulong pll_id)
141*4882a593Smuzhiyun {
142*4882a593Smuzhiyun struct udevice *pmucru_dev;
143*4882a593Smuzhiyun struct rk3568_pmuclk_priv *pmu_priv;
144*4882a593Smuzhiyun int ret;
145*4882a593Smuzhiyun
146*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_CLK,
147*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_rk3568_pmucru),
148*4882a593Smuzhiyun &pmucru_dev);
149*4882a593Smuzhiyun if (ret) {
150*4882a593Smuzhiyun printf("%s: could not find pmucru device\n", __func__);
151*4882a593Smuzhiyun return ret;
152*4882a593Smuzhiyun }
153*4882a593Smuzhiyun pmu_priv = dev_get_priv(pmucru_dev);
154*4882a593Smuzhiyun
155*4882a593Smuzhiyun return rockchip_pll_get_rate(&rk3568_pll_clks[pll_id],
156*4882a593Smuzhiyun pmu_priv->pmucru, pll_id);
157*4882a593Smuzhiyun }
158*4882a593Smuzhiyun
159*4882a593Smuzhiyun /*
160*4882a593Smuzhiyun *
161*4882a593Smuzhiyun * rational_best_approximation(31415, 10000,
162*4882a593Smuzhiyun * (1 << 8) - 1, (1 << 5) - 1, &n, &d);
163*4882a593Smuzhiyun *
164*4882a593Smuzhiyun * you may look at given_numerator as a fixed point number,
165*4882a593Smuzhiyun * with the fractional part size described in given_denominator.
166*4882a593Smuzhiyun *
167*4882a593Smuzhiyun * for theoretical background, see:
168*4882a593Smuzhiyun * http://en.wikipedia.org/wiki/Continued_fraction
169*4882a593Smuzhiyun */
rational_best_approximation(unsigned long given_numerator,unsigned long given_denominator,unsigned long max_numerator,unsigned long max_denominator,unsigned long * best_numerator,unsigned long * best_denominator)170*4882a593Smuzhiyun static void rational_best_approximation(unsigned long given_numerator,
171*4882a593Smuzhiyun unsigned long given_denominator,
172*4882a593Smuzhiyun unsigned long max_numerator,
173*4882a593Smuzhiyun unsigned long max_denominator,
174*4882a593Smuzhiyun unsigned long *best_numerator,
175*4882a593Smuzhiyun unsigned long *best_denominator)
176*4882a593Smuzhiyun {
177*4882a593Smuzhiyun unsigned long n, d, n0, d0, n1, d1;
178*4882a593Smuzhiyun
179*4882a593Smuzhiyun n = given_numerator;
180*4882a593Smuzhiyun d = given_denominator;
181*4882a593Smuzhiyun n0 = 0;
182*4882a593Smuzhiyun d1 = 0;
183*4882a593Smuzhiyun n1 = 1;
184*4882a593Smuzhiyun d0 = 1;
185*4882a593Smuzhiyun for (;;) {
186*4882a593Smuzhiyun unsigned long t, a;
187*4882a593Smuzhiyun
188*4882a593Smuzhiyun if (n1 > max_numerator || d1 > max_denominator) {
189*4882a593Smuzhiyun n1 = n0;
190*4882a593Smuzhiyun d1 = d0;
191*4882a593Smuzhiyun break;
192*4882a593Smuzhiyun }
193*4882a593Smuzhiyun if (d == 0)
194*4882a593Smuzhiyun break;
195*4882a593Smuzhiyun t = d;
196*4882a593Smuzhiyun a = n / d;
197*4882a593Smuzhiyun d = n % d;
198*4882a593Smuzhiyun n = t;
199*4882a593Smuzhiyun t = n0 + a * n1;
200*4882a593Smuzhiyun n0 = n1;
201*4882a593Smuzhiyun n1 = t;
202*4882a593Smuzhiyun t = d0 + a * d1;
203*4882a593Smuzhiyun d0 = d1;
204*4882a593Smuzhiyun d1 = t;
205*4882a593Smuzhiyun }
206*4882a593Smuzhiyun *best_numerator = n1;
207*4882a593Smuzhiyun *best_denominator = d1;
208*4882a593Smuzhiyun }
209*4882a593Smuzhiyun
rk3568_rtc32k_get_pmuclk(struct rk3568_pmuclk_priv * priv)210*4882a593Smuzhiyun static ulong rk3568_rtc32k_get_pmuclk(struct rk3568_pmuclk_priv *priv)
211*4882a593Smuzhiyun {
212*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
213*4882a593Smuzhiyun unsigned long m, n;
214*4882a593Smuzhiyun u32 fracdiv;
215*4882a593Smuzhiyun
216*4882a593Smuzhiyun fracdiv = readl(&pmucru->pmu_clksel_con[1]);
217*4882a593Smuzhiyun m = fracdiv & RTC32K_FRAC_NUMERATOR_MASK;
218*4882a593Smuzhiyun m >>= RTC32K_FRAC_NUMERATOR_SHIFT;
219*4882a593Smuzhiyun n = fracdiv & RTC32K_FRAC_DENOMINATOR_MASK;
220*4882a593Smuzhiyun n >>= RTC32K_FRAC_DENOMINATOR_SHIFT;
221*4882a593Smuzhiyun
222*4882a593Smuzhiyun return OSC_HZ * m / n;
223*4882a593Smuzhiyun }
224*4882a593Smuzhiyun
rk3568_rtc32k_set_pmuclk(struct rk3568_pmuclk_priv * priv,ulong rate)225*4882a593Smuzhiyun static ulong rk3568_rtc32k_set_pmuclk(struct rk3568_pmuclk_priv *priv,
226*4882a593Smuzhiyun ulong rate)
227*4882a593Smuzhiyun {
228*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
229*4882a593Smuzhiyun unsigned long m, n, val;
230*4882a593Smuzhiyun
231*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
232*4882a593Smuzhiyun RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
233*4882a593Smuzhiyun
234*4882a593Smuzhiyun rational_best_approximation(rate, OSC_HZ,
235*4882a593Smuzhiyun GENMASK(16 - 1, 0),
236*4882a593Smuzhiyun GENMASK(16 - 1, 0),
237*4882a593Smuzhiyun &m, &n);
238*4882a593Smuzhiyun val = m << RTC32K_FRAC_NUMERATOR_SHIFT | n;
239*4882a593Smuzhiyun writel(val, &pmucru->pmu_clksel_con[1]);
240*4882a593Smuzhiyun
241*4882a593Smuzhiyun return rk3568_rtc32k_get_pmuclk(priv);
242*4882a593Smuzhiyun }
243*4882a593Smuzhiyun
rk3568_i2c_get_pmuclk(struct rk3568_pmuclk_priv * priv,ulong clk_id)244*4882a593Smuzhiyun static ulong rk3568_i2c_get_pmuclk(struct rk3568_pmuclk_priv *priv,
245*4882a593Smuzhiyun ulong clk_id)
246*4882a593Smuzhiyun {
247*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
248*4882a593Smuzhiyun u32 div, con;
249*4882a593Smuzhiyun
250*4882a593Smuzhiyun switch (clk_id) {
251*4882a593Smuzhiyun case CLK_I2C0:
252*4882a593Smuzhiyun con = readl(&pmucru->pmu_clksel_con[3]);
253*4882a593Smuzhiyun div = (con & CLK_I2C0_DIV_MASK) >> CLK_I2C0_DIV_SHIFT;
254*4882a593Smuzhiyun break;
255*4882a593Smuzhiyun default:
256*4882a593Smuzhiyun return -ENOENT;
257*4882a593Smuzhiyun }
258*4882a593Smuzhiyun
259*4882a593Smuzhiyun return DIV_TO_RATE(priv->ppll_hz, div);
260*4882a593Smuzhiyun }
261*4882a593Smuzhiyun
rk3568_i2c_set_pmuclk(struct rk3568_pmuclk_priv * priv,ulong clk_id,ulong rate)262*4882a593Smuzhiyun static ulong rk3568_i2c_set_pmuclk(struct rk3568_pmuclk_priv *priv,
263*4882a593Smuzhiyun ulong clk_id, ulong rate)
264*4882a593Smuzhiyun {
265*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
266*4882a593Smuzhiyun int src_clk_div;
267*4882a593Smuzhiyun
268*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
269*4882a593Smuzhiyun assert(src_clk_div - 1 <= 127);
270*4882a593Smuzhiyun
271*4882a593Smuzhiyun switch (clk_id) {
272*4882a593Smuzhiyun case CLK_I2C0:
273*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[3], CLK_I2C0_DIV_MASK,
274*4882a593Smuzhiyun (src_clk_div - 1) << CLK_I2C0_DIV_SHIFT);
275*4882a593Smuzhiyun break;
276*4882a593Smuzhiyun default:
277*4882a593Smuzhiyun return -ENOENT;
278*4882a593Smuzhiyun }
279*4882a593Smuzhiyun
280*4882a593Smuzhiyun return rk3568_i2c_get_pmuclk(priv, clk_id);
281*4882a593Smuzhiyun }
282*4882a593Smuzhiyun
rk3568_pwm_get_pmuclk(struct rk3568_pmuclk_priv * priv,ulong clk_id)283*4882a593Smuzhiyun static ulong rk3568_pwm_get_pmuclk(struct rk3568_pmuclk_priv *priv,
284*4882a593Smuzhiyun ulong clk_id)
285*4882a593Smuzhiyun {
286*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
287*4882a593Smuzhiyun u32 div, sel, con, parent;
288*4882a593Smuzhiyun
289*4882a593Smuzhiyun switch (clk_id) {
290*4882a593Smuzhiyun case CLK_PWM0:
291*4882a593Smuzhiyun con = readl(&pmucru->pmu_clksel_con[6]);
292*4882a593Smuzhiyun sel = (con & CLK_PWM0_SEL_MASK) >> CLK_PWM0_SEL_SHIFT;
293*4882a593Smuzhiyun div = (con & CLK_PWM0_DIV_MASK) >> CLK_PWM0_DIV_SHIFT;
294*4882a593Smuzhiyun if (sel == CLK_PWM0_SEL_XIN24M)
295*4882a593Smuzhiyun parent = OSC_HZ;
296*4882a593Smuzhiyun else
297*4882a593Smuzhiyun parent = priv->ppll_hz;
298*4882a593Smuzhiyun break;
299*4882a593Smuzhiyun default:
300*4882a593Smuzhiyun return -ENOENT;
301*4882a593Smuzhiyun }
302*4882a593Smuzhiyun
303*4882a593Smuzhiyun return DIV_TO_RATE(parent, div);
304*4882a593Smuzhiyun }
305*4882a593Smuzhiyun
rk3568_pwm_set_pmuclk(struct rk3568_pmuclk_priv * priv,ulong clk_id,ulong rate)306*4882a593Smuzhiyun static ulong rk3568_pwm_set_pmuclk(struct rk3568_pmuclk_priv *priv,
307*4882a593Smuzhiyun ulong clk_id, ulong rate)
308*4882a593Smuzhiyun {
309*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
310*4882a593Smuzhiyun int src_clk_div;
311*4882a593Smuzhiyun
312*4882a593Smuzhiyun switch (clk_id) {
313*4882a593Smuzhiyun case CLK_PWM0:
314*4882a593Smuzhiyun if (rate == OSC_HZ) {
315*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[6],
316*4882a593Smuzhiyun CLK_PWM0_SEL_MASK | CLK_PWM0_DIV_MASK,
317*4882a593Smuzhiyun (CLK_PWM0_SEL_XIN24M <<
318*4882a593Smuzhiyun CLK_PWM0_SEL_SHIFT) |
319*4882a593Smuzhiyun 0 << CLK_PWM0_SEL_SHIFT);
320*4882a593Smuzhiyun } else {
321*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
322*4882a593Smuzhiyun assert(src_clk_div - 1 <= 127);
323*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[6],
324*4882a593Smuzhiyun CLK_PWM0_DIV_MASK | CLK_PWM0_DIV_MASK,
325*4882a593Smuzhiyun (CLK_PWM0_SEL_PPLL << CLK_PWM0_SEL_SHIFT) |
326*4882a593Smuzhiyun (src_clk_div - 1) << CLK_PWM0_DIV_SHIFT);
327*4882a593Smuzhiyun }
328*4882a593Smuzhiyun break;
329*4882a593Smuzhiyun default:
330*4882a593Smuzhiyun return -ENOENT;
331*4882a593Smuzhiyun }
332*4882a593Smuzhiyun
333*4882a593Smuzhiyun return rk3568_pwm_get_pmuclk(priv, clk_id);
334*4882a593Smuzhiyun }
335*4882a593Smuzhiyun
rk3568_pmu_get_pmuclk(struct rk3568_pmuclk_priv * priv)336*4882a593Smuzhiyun static ulong rk3568_pmu_get_pmuclk(struct rk3568_pmuclk_priv *priv)
337*4882a593Smuzhiyun {
338*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
339*4882a593Smuzhiyun u32 div, con, sel, parent;
340*4882a593Smuzhiyun
341*4882a593Smuzhiyun con = readl(&pmucru->pmu_clksel_con[2]);
342*4882a593Smuzhiyun sel = (con & PCLK_PDPMU_SEL_MASK) >> PCLK_PDPMU_SEL_SHIFT;
343*4882a593Smuzhiyun div = (con & PCLK_PDPMU_DIV_MASK) >> PCLK_PDPMU_DIV_SHIFT;
344*4882a593Smuzhiyun if (sel)
345*4882a593Smuzhiyun parent = GPLL_HZ;
346*4882a593Smuzhiyun else
347*4882a593Smuzhiyun parent = priv->ppll_hz;
348*4882a593Smuzhiyun
349*4882a593Smuzhiyun return DIV_TO_RATE(parent, div);
350*4882a593Smuzhiyun }
351*4882a593Smuzhiyun
rk3568_pmu_set_pmuclk(struct rk3568_pmuclk_priv * priv,ulong rate)352*4882a593Smuzhiyun static ulong rk3568_pmu_set_pmuclk(struct rk3568_pmuclk_priv *priv,
353*4882a593Smuzhiyun ulong rate)
354*4882a593Smuzhiyun {
355*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
356*4882a593Smuzhiyun int src_clk_div;
357*4882a593Smuzhiyun
358*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->ppll_hz, rate);
359*4882a593Smuzhiyun assert(src_clk_div - 1 <= 31);
360*4882a593Smuzhiyun
361*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[2],
362*4882a593Smuzhiyun PCLK_PDPMU_DIV_MASK | PCLK_PDPMU_SEL_MASK,
363*4882a593Smuzhiyun (PCLK_PDPMU_SEL_PPLL << PCLK_PDPMU_SEL_SHIFT) |
364*4882a593Smuzhiyun ((src_clk_div - 1) << PCLK_PDPMU_DIV_SHIFT));
365*4882a593Smuzhiyun
366*4882a593Smuzhiyun return rk3568_pmu_get_pmuclk(priv);
367*4882a593Smuzhiyun }
368*4882a593Smuzhiyun
rk3568_pmuclk_get_rate(struct clk * clk)369*4882a593Smuzhiyun static ulong rk3568_pmuclk_get_rate(struct clk *clk)
370*4882a593Smuzhiyun {
371*4882a593Smuzhiyun struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
372*4882a593Smuzhiyun ulong rate = 0;
373*4882a593Smuzhiyun
374*4882a593Smuzhiyun if (!priv->ppll_hz) {
375*4882a593Smuzhiyun printf("%s ppll=%lu\n", __func__, priv->ppll_hz);
376*4882a593Smuzhiyun return -ENOENT;
377*4882a593Smuzhiyun }
378*4882a593Smuzhiyun
379*4882a593Smuzhiyun debug("%s %ld\n", __func__, clk->id);
380*4882a593Smuzhiyun switch (clk->id) {
381*4882a593Smuzhiyun case PLL_PPLL:
382*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL],
383*4882a593Smuzhiyun priv->pmucru, PPLL);
384*4882a593Smuzhiyun break;
385*4882a593Smuzhiyun case PLL_HPLL:
386*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL],
387*4882a593Smuzhiyun priv->pmucru, HPLL);
388*4882a593Smuzhiyun break;
389*4882a593Smuzhiyun case CLK_RTC_32K:
390*4882a593Smuzhiyun case CLK_RTC32K_FRAC:
391*4882a593Smuzhiyun rate = rk3568_rtc32k_get_pmuclk(priv);
392*4882a593Smuzhiyun break;
393*4882a593Smuzhiyun case CLK_I2C0:
394*4882a593Smuzhiyun rate = rk3568_i2c_get_pmuclk(priv, clk->id);
395*4882a593Smuzhiyun break;
396*4882a593Smuzhiyun case CLK_PWM0:
397*4882a593Smuzhiyun rate = rk3568_pwm_get_pmuclk(priv, clk->id);
398*4882a593Smuzhiyun break;
399*4882a593Smuzhiyun case PCLK_PMU:
400*4882a593Smuzhiyun rate = rk3568_pmu_get_pmuclk(priv);
401*4882a593Smuzhiyun break;
402*4882a593Smuzhiyun default:
403*4882a593Smuzhiyun return -ENOENT;
404*4882a593Smuzhiyun }
405*4882a593Smuzhiyun
406*4882a593Smuzhiyun return rate;
407*4882a593Smuzhiyun }
408*4882a593Smuzhiyun
rk3568_pmuclk_set_rate(struct clk * clk,ulong rate)409*4882a593Smuzhiyun static ulong rk3568_pmuclk_set_rate(struct clk *clk, ulong rate)
410*4882a593Smuzhiyun {
411*4882a593Smuzhiyun struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
412*4882a593Smuzhiyun ulong ret = 0;
413*4882a593Smuzhiyun
414*4882a593Smuzhiyun if (!priv->ppll_hz) {
415*4882a593Smuzhiyun printf("%s ppll=%lu\n", __func__, priv->ppll_hz);
416*4882a593Smuzhiyun return -ENOENT;
417*4882a593Smuzhiyun }
418*4882a593Smuzhiyun
419*4882a593Smuzhiyun debug("%s %ld %ld\n", __func__, clk->id, rate);
420*4882a593Smuzhiyun switch (clk->id) {
421*4882a593Smuzhiyun case PLL_PPLL:
422*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL],
423*4882a593Smuzhiyun priv->pmucru, PPLL, rate);
424*4882a593Smuzhiyun priv->ppll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[PPLL],
425*4882a593Smuzhiyun priv->pmucru, PPLL);
426*4882a593Smuzhiyun break;
427*4882a593Smuzhiyun case PLL_HPLL:
428*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[HPLL],
429*4882a593Smuzhiyun priv->pmucru, HPLL, rate);
430*4882a593Smuzhiyun priv->hpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[HPLL],
431*4882a593Smuzhiyun priv->pmucru, HPLL);
432*4882a593Smuzhiyun break;
433*4882a593Smuzhiyun case CLK_RTC_32K:
434*4882a593Smuzhiyun case CLK_RTC32K_FRAC:
435*4882a593Smuzhiyun ret = rk3568_rtc32k_set_pmuclk(priv, rate);
436*4882a593Smuzhiyun break;
437*4882a593Smuzhiyun case CLK_I2C0:
438*4882a593Smuzhiyun ret = rk3568_i2c_set_pmuclk(priv, clk->id, rate);
439*4882a593Smuzhiyun break;
440*4882a593Smuzhiyun case CLK_PWM0:
441*4882a593Smuzhiyun ret = rk3568_pwm_set_pmuclk(priv, clk->id, rate);
442*4882a593Smuzhiyun break;
443*4882a593Smuzhiyun case PCLK_PMU:
444*4882a593Smuzhiyun ret = rk3568_pmu_set_pmuclk(priv, rate);
445*4882a593Smuzhiyun break;
446*4882a593Smuzhiyun default:
447*4882a593Smuzhiyun return -ENOENT;
448*4882a593Smuzhiyun }
449*4882a593Smuzhiyun
450*4882a593Smuzhiyun return ret;
451*4882a593Smuzhiyun }
452*4882a593Smuzhiyun
rk3568_rtc32k_set_parent(struct clk * clk,struct clk * parent)453*4882a593Smuzhiyun static int rk3568_rtc32k_set_parent(struct clk *clk, struct clk *parent)
454*4882a593Smuzhiyun {
455*4882a593Smuzhiyun struct rk3568_pmuclk_priv *priv = dev_get_priv(clk->dev);
456*4882a593Smuzhiyun struct rk3568_pmucru *pmucru = priv->pmucru;
457*4882a593Smuzhiyun
458*4882a593Smuzhiyun if (parent->id == CLK_RTC32K_FRAC)
459*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
460*4882a593Smuzhiyun RTC32K_SEL_OSC0_DIV32K << RTC32K_SEL_SHIFT);
461*4882a593Smuzhiyun else
462*4882a593Smuzhiyun rk_clrsetreg(&pmucru->pmu_clksel_con[0], RTC32K_SEL_MASK,
463*4882a593Smuzhiyun RTC32K_SEL_OSC1_32K << RTC32K_SEL_SHIFT);
464*4882a593Smuzhiyun
465*4882a593Smuzhiyun return 0;
466*4882a593Smuzhiyun }
467*4882a593Smuzhiyun
rk3568_pmuclk_set_parent(struct clk * clk,struct clk * parent)468*4882a593Smuzhiyun static int rk3568_pmuclk_set_parent(struct clk *clk, struct clk *parent)
469*4882a593Smuzhiyun {
470*4882a593Smuzhiyun switch (clk->id) {
471*4882a593Smuzhiyun case CLK_RTC_32K:
472*4882a593Smuzhiyun return rk3568_rtc32k_set_parent(clk, parent);
473*4882a593Smuzhiyun default:
474*4882a593Smuzhiyun return -ENOENT;
475*4882a593Smuzhiyun }
476*4882a593Smuzhiyun }
477*4882a593Smuzhiyun
478*4882a593Smuzhiyun static struct clk_ops rk3568_pmuclk_ops = {
479*4882a593Smuzhiyun .get_rate = rk3568_pmuclk_get_rate,
480*4882a593Smuzhiyun .set_rate = rk3568_pmuclk_set_rate,
481*4882a593Smuzhiyun .set_parent = rk3568_pmuclk_set_parent,
482*4882a593Smuzhiyun };
483*4882a593Smuzhiyun
rk3568_pmuclk_probe(struct udevice * dev)484*4882a593Smuzhiyun static int rk3568_pmuclk_probe(struct udevice *dev)
485*4882a593Smuzhiyun {
486*4882a593Smuzhiyun struct rk3568_pmuclk_priv *priv = dev_get_priv(dev);
487*4882a593Smuzhiyun int ret = 0;
488*4882a593Smuzhiyun
489*4882a593Smuzhiyun if (priv->ppll_hz != PPLL_HZ) {
490*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[PPLL],
491*4882a593Smuzhiyun priv->pmucru,
492*4882a593Smuzhiyun PPLL, PPLL_HZ);
493*4882a593Smuzhiyun if (!ret)
494*4882a593Smuzhiyun priv->ppll_hz = PPLL_HZ;
495*4882a593Smuzhiyun }
496*4882a593Smuzhiyun
497*4882a593Smuzhiyun /* Ungate PCIe30phy refclk_m and refclk_n */
498*4882a593Smuzhiyun rk_clrsetreg(&priv->pmucru->pmu_clkgate_con[2], 0x3 << 13, 0 << 13);
499*4882a593Smuzhiyun return 0;
500*4882a593Smuzhiyun }
501*4882a593Smuzhiyun
rk3568_pmuclk_ofdata_to_platdata(struct udevice * dev)502*4882a593Smuzhiyun static int rk3568_pmuclk_ofdata_to_platdata(struct udevice *dev)
503*4882a593Smuzhiyun {
504*4882a593Smuzhiyun struct rk3568_pmuclk_priv *priv = dev_get_priv(dev);
505*4882a593Smuzhiyun
506*4882a593Smuzhiyun priv->pmucru = dev_read_addr_ptr(dev);
507*4882a593Smuzhiyun
508*4882a593Smuzhiyun return 0;
509*4882a593Smuzhiyun }
510*4882a593Smuzhiyun
rk3568_pmuclk_bind(struct udevice * dev)511*4882a593Smuzhiyun static int rk3568_pmuclk_bind(struct udevice *dev)
512*4882a593Smuzhiyun {
513*4882a593Smuzhiyun int ret = 0;
514*4882a593Smuzhiyun struct udevice *sf_child;
515*4882a593Smuzhiyun struct softreset_reg *sf_priv;
516*4882a593Smuzhiyun
517*4882a593Smuzhiyun ret = device_bind_driver_to_node(dev, "rockchip_reset",
518*4882a593Smuzhiyun "reset", dev_ofnode(dev),
519*4882a593Smuzhiyun &sf_child);
520*4882a593Smuzhiyun if (ret) {
521*4882a593Smuzhiyun debug("Warning: No rockchip reset driver: ret=%d\n", ret);
522*4882a593Smuzhiyun } else {
523*4882a593Smuzhiyun sf_priv = malloc(sizeof(struct softreset_reg));
524*4882a593Smuzhiyun sf_priv->sf_reset_offset = offsetof(struct rk3568_pmucru,
525*4882a593Smuzhiyun pmu_softrst_con[0]);
526*4882a593Smuzhiyun sf_priv->sf_reset_num = 1;
527*4882a593Smuzhiyun sf_child->priv = sf_priv;
528*4882a593Smuzhiyun }
529*4882a593Smuzhiyun
530*4882a593Smuzhiyun return 0;
531*4882a593Smuzhiyun }
532*4882a593Smuzhiyun
533*4882a593Smuzhiyun static const struct udevice_id rk3568_pmuclk_ids[] = {
534*4882a593Smuzhiyun { .compatible = "rockchip,rk3568-pmucru" },
535*4882a593Smuzhiyun { }
536*4882a593Smuzhiyun };
537*4882a593Smuzhiyun
538*4882a593Smuzhiyun U_BOOT_DRIVER(rockchip_rk3568_pmucru) = {
539*4882a593Smuzhiyun .name = "rockchip_rk3568_pmucru",
540*4882a593Smuzhiyun .id = UCLASS_CLK,
541*4882a593Smuzhiyun .of_match = rk3568_pmuclk_ids,
542*4882a593Smuzhiyun .priv_auto_alloc_size = sizeof(struct rk3568_pmuclk_priv),
543*4882a593Smuzhiyun .ofdata_to_platdata = rk3568_pmuclk_ofdata_to_platdata,
544*4882a593Smuzhiyun .ops = &rk3568_pmuclk_ops,
545*4882a593Smuzhiyun .bind = rk3568_pmuclk_bind,
546*4882a593Smuzhiyun .probe = rk3568_pmuclk_probe,
547*4882a593Smuzhiyun };
548*4882a593Smuzhiyun
rk3568_armclk_set_clk(struct rk3568_clk_priv * priv,ulong hz)549*4882a593Smuzhiyun static int rk3568_armclk_set_clk(struct rk3568_clk_priv *priv, ulong hz)
550*4882a593Smuzhiyun {
551*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
552*4882a593Smuzhiyun const struct rockchip_cpu_rate_table *rate;
553*4882a593Smuzhiyun ulong old_rate;
554*4882a593Smuzhiyun
555*4882a593Smuzhiyun rate = rockchip_get_cpu_settings(rk3568_cpu_rates, hz);
556*4882a593Smuzhiyun if (!rate) {
557*4882a593Smuzhiyun printf("%s unsupported rate\n", __func__);
558*4882a593Smuzhiyun return -EINVAL;
559*4882a593Smuzhiyun }
560*4882a593Smuzhiyun
561*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[0],
562*4882a593Smuzhiyun CLK_CORE_PRE_SEL_MASK,
563*4882a593Smuzhiyun (CLK_CORE_PRE_SEL_SRC << CLK_CORE_PRE_SEL_SHIFT));
564*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[2],
565*4882a593Smuzhiyun SCLK_CORE_PRE_SEL_MASK |
566*4882a593Smuzhiyun SCLK_CORE_SRC_SEL_MASK |
567*4882a593Smuzhiyun SCLK_CORE_SRC_DIV_MASK,
568*4882a593Smuzhiyun (SCLK_CORE_PRE_SEL_SRC <<
569*4882a593Smuzhiyun SCLK_CORE_PRE_SEL_SHIFT) |
570*4882a593Smuzhiyun (SCLK_CORE_SRC_SEL_APLL <<
571*4882a593Smuzhiyun SCLK_CORE_SRC_SEL_SHIFT) |
572*4882a593Smuzhiyun (1 << SCLK_CORE_SRC_DIV_SHIFT));
573*4882a593Smuzhiyun
574*4882a593Smuzhiyun /*
575*4882a593Smuzhiyun * set up dependent divisors for DBG and ACLK clocks.
576*4882a593Smuzhiyun */
577*4882a593Smuzhiyun old_rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL],
578*4882a593Smuzhiyun priv->cru, APLL);
579*4882a593Smuzhiyun if (old_rate > hz) {
580*4882a593Smuzhiyun if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL],
581*4882a593Smuzhiyun priv->cru, APLL, hz))
582*4882a593Smuzhiyun return -EINVAL;
583*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[3],
584*4882a593Smuzhiyun GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK,
585*4882a593Smuzhiyun rate->pclk_div << GICCLK_CORE_DIV_SHIFT |
586*4882a593Smuzhiyun rate->pclk_div << ATCLK_CORE_DIV_SHIFT);
587*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[4],
588*4882a593Smuzhiyun PERIPHCLK_CORE_PRE_DIV_MASK |
589*4882a593Smuzhiyun PCLK_CORE_PRE_DIV_MASK,
590*4882a593Smuzhiyun rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT |
591*4882a593Smuzhiyun rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT);
592*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[5],
593*4882a593Smuzhiyun ACLK_CORE_NDFT_DIV_MASK,
594*4882a593Smuzhiyun rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT);
595*4882a593Smuzhiyun } else if (old_rate < hz) {
596*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[3],
597*4882a593Smuzhiyun GICCLK_CORE_DIV_MASK | ATCLK_CORE_DIV_MASK,
598*4882a593Smuzhiyun rate->pclk_div << GICCLK_CORE_DIV_SHIFT |
599*4882a593Smuzhiyun rate->pclk_div << ATCLK_CORE_DIV_SHIFT);
600*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[4],
601*4882a593Smuzhiyun PERIPHCLK_CORE_PRE_DIV_MASK |
602*4882a593Smuzhiyun PCLK_CORE_PRE_DIV_MASK,
603*4882a593Smuzhiyun rate->pclk_div << PCLK_CORE_PRE_DIV_SHIFT |
604*4882a593Smuzhiyun rate->pclk_div << PERIPHCLK_CORE_PRE_DIV_SHIFT);
605*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[5],
606*4882a593Smuzhiyun ACLK_CORE_NDFT_DIV_MASK,
607*4882a593Smuzhiyun rate->aclk_div << ACLK_CORE_NDFT_DIV_SHIFT);
608*4882a593Smuzhiyun if (rockchip_pll_set_rate(&rk3568_pll_clks[APLL],
609*4882a593Smuzhiyun priv->cru, APLL, hz))
610*4882a593Smuzhiyun return -EINVAL;
611*4882a593Smuzhiyun }
612*4882a593Smuzhiyun
613*4882a593Smuzhiyun return 0;
614*4882a593Smuzhiyun }
615*4882a593Smuzhiyun
rk3568_cpll_div_get_rate(struct rk3568_clk_priv * priv,ulong clk_id)616*4882a593Smuzhiyun static ulong rk3568_cpll_div_get_rate(struct rk3568_clk_priv *priv,
617*4882a593Smuzhiyun ulong clk_id)
618*4882a593Smuzhiyun {
619*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
620*4882a593Smuzhiyun int div, mask, shift, con;
621*4882a593Smuzhiyun
622*4882a593Smuzhiyun switch (clk_id) {
623*4882a593Smuzhiyun case CPLL_500M:
624*4882a593Smuzhiyun con = 78;
625*4882a593Smuzhiyun mask = CPLL_500M_DIV_MASK;
626*4882a593Smuzhiyun shift = CPLL_500M_DIV_SHIFT;
627*4882a593Smuzhiyun break;
628*4882a593Smuzhiyun case CPLL_333M:
629*4882a593Smuzhiyun con = 79;
630*4882a593Smuzhiyun mask = CPLL_333M_DIV_MASK;
631*4882a593Smuzhiyun shift = CPLL_333M_DIV_SHIFT;
632*4882a593Smuzhiyun break;
633*4882a593Smuzhiyun case CPLL_250M:
634*4882a593Smuzhiyun con = 79;
635*4882a593Smuzhiyun mask = CPLL_250M_DIV_MASK;
636*4882a593Smuzhiyun shift = CPLL_250M_DIV_SHIFT;
637*4882a593Smuzhiyun break;
638*4882a593Smuzhiyun case CPLL_125M:
639*4882a593Smuzhiyun con = 80;
640*4882a593Smuzhiyun mask = CPLL_125M_DIV_MASK;
641*4882a593Smuzhiyun shift = CPLL_125M_DIV_SHIFT;
642*4882a593Smuzhiyun break;
643*4882a593Smuzhiyun case CPLL_100M:
644*4882a593Smuzhiyun con = 82;
645*4882a593Smuzhiyun mask = CPLL_100M_DIV_MASK;
646*4882a593Smuzhiyun shift = CPLL_100M_DIV_SHIFT;
647*4882a593Smuzhiyun break;
648*4882a593Smuzhiyun case CPLL_62P5M:
649*4882a593Smuzhiyun con = 80;
650*4882a593Smuzhiyun mask = CPLL_62P5M_DIV_MASK;
651*4882a593Smuzhiyun shift = CPLL_62P5M_DIV_SHIFT;
652*4882a593Smuzhiyun break;
653*4882a593Smuzhiyun case CPLL_50M:
654*4882a593Smuzhiyun con = 81;
655*4882a593Smuzhiyun mask = CPLL_50M_DIV_MASK;
656*4882a593Smuzhiyun shift = CPLL_50M_DIV_SHIFT;
657*4882a593Smuzhiyun break;
658*4882a593Smuzhiyun case CPLL_25M:
659*4882a593Smuzhiyun con = 81;
660*4882a593Smuzhiyun mask = CPLL_25M_DIV_MASK;
661*4882a593Smuzhiyun shift = CPLL_25M_DIV_SHIFT;
662*4882a593Smuzhiyun break;
663*4882a593Smuzhiyun default:
664*4882a593Smuzhiyun return -ENOENT;
665*4882a593Smuzhiyun }
666*4882a593Smuzhiyun
667*4882a593Smuzhiyun div = (readl(&cru->clksel_con[con]) & mask) >> shift;
668*4882a593Smuzhiyun return DIV_TO_RATE(priv->cpll_hz, div);
669*4882a593Smuzhiyun }
670*4882a593Smuzhiyun
rk3568_cpll_div_set_rate(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)671*4882a593Smuzhiyun static ulong rk3568_cpll_div_set_rate(struct rk3568_clk_priv *priv,
672*4882a593Smuzhiyun ulong clk_id, ulong rate)
673*4882a593Smuzhiyun {
674*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
675*4882a593Smuzhiyun int div, mask, shift, con;
676*4882a593Smuzhiyun
677*4882a593Smuzhiyun switch (clk_id) {
678*4882a593Smuzhiyun case CPLL_500M:
679*4882a593Smuzhiyun con = 78;
680*4882a593Smuzhiyun mask = CPLL_500M_DIV_MASK;
681*4882a593Smuzhiyun shift = CPLL_500M_DIV_SHIFT;
682*4882a593Smuzhiyun break;
683*4882a593Smuzhiyun case CPLL_333M:
684*4882a593Smuzhiyun con = 79;
685*4882a593Smuzhiyun mask = CPLL_333M_DIV_MASK;
686*4882a593Smuzhiyun shift = CPLL_333M_DIV_SHIFT;
687*4882a593Smuzhiyun break;
688*4882a593Smuzhiyun case CPLL_250M:
689*4882a593Smuzhiyun con = 79;
690*4882a593Smuzhiyun mask = CPLL_250M_DIV_MASK;
691*4882a593Smuzhiyun shift = CPLL_250M_DIV_SHIFT;
692*4882a593Smuzhiyun break;
693*4882a593Smuzhiyun case CPLL_125M:
694*4882a593Smuzhiyun con = 80;
695*4882a593Smuzhiyun mask = CPLL_125M_DIV_MASK;
696*4882a593Smuzhiyun shift = CPLL_125M_DIV_SHIFT;
697*4882a593Smuzhiyun break;
698*4882a593Smuzhiyun case CPLL_100M:
699*4882a593Smuzhiyun con = 82;
700*4882a593Smuzhiyun mask = CPLL_100M_DIV_MASK;
701*4882a593Smuzhiyun shift = CPLL_100M_DIV_SHIFT;
702*4882a593Smuzhiyun break;
703*4882a593Smuzhiyun case CPLL_62P5M:
704*4882a593Smuzhiyun con = 80;
705*4882a593Smuzhiyun mask = CPLL_62P5M_DIV_MASK;
706*4882a593Smuzhiyun shift = CPLL_62P5M_DIV_SHIFT;
707*4882a593Smuzhiyun break;
708*4882a593Smuzhiyun case CPLL_50M:
709*4882a593Smuzhiyun con = 81;
710*4882a593Smuzhiyun mask = CPLL_50M_DIV_MASK;
711*4882a593Smuzhiyun shift = CPLL_50M_DIV_SHIFT;
712*4882a593Smuzhiyun break;
713*4882a593Smuzhiyun case CPLL_25M:
714*4882a593Smuzhiyun con = 81;
715*4882a593Smuzhiyun mask = CPLL_25M_DIV_MASK;
716*4882a593Smuzhiyun shift = CPLL_25M_DIV_SHIFT;
717*4882a593Smuzhiyun break;
718*4882a593Smuzhiyun default:
719*4882a593Smuzhiyun return -ENOENT;
720*4882a593Smuzhiyun }
721*4882a593Smuzhiyun
722*4882a593Smuzhiyun div = DIV_ROUND_UP(priv->cpll_hz, rate);
723*4882a593Smuzhiyun assert(div - 1 <= 31);
724*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con],
725*4882a593Smuzhiyun mask, (div - 1) << shift);
726*4882a593Smuzhiyun return rk3568_cpll_div_get_rate(priv, clk_id);
727*4882a593Smuzhiyun }
728*4882a593Smuzhiyun
rk3568_bus_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)729*4882a593Smuzhiyun static ulong rk3568_bus_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
730*4882a593Smuzhiyun {
731*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
732*4882a593Smuzhiyun u32 con, sel, rate;
733*4882a593Smuzhiyun
734*4882a593Smuzhiyun switch (clk_id) {
735*4882a593Smuzhiyun case ACLK_BUS:
736*4882a593Smuzhiyun con = readl(&cru->clksel_con[50]);
737*4882a593Smuzhiyun sel = (con & ACLK_BUS_SEL_MASK) >> ACLK_BUS_SEL_SHIFT;
738*4882a593Smuzhiyun if (sel == ACLK_BUS_SEL_200M)
739*4882a593Smuzhiyun rate = 200 * MHz;
740*4882a593Smuzhiyun else if (sel == ACLK_BUS_SEL_150M)
741*4882a593Smuzhiyun rate = 150 * MHz;
742*4882a593Smuzhiyun else if (sel == ACLK_BUS_SEL_100M)
743*4882a593Smuzhiyun rate = 100 * MHz;
744*4882a593Smuzhiyun else
745*4882a593Smuzhiyun rate = OSC_HZ;
746*4882a593Smuzhiyun break;
747*4882a593Smuzhiyun case PCLK_BUS:
748*4882a593Smuzhiyun case PCLK_WDT_NS:
749*4882a593Smuzhiyun con = readl(&cru->clksel_con[50]);
750*4882a593Smuzhiyun sel = (con & PCLK_BUS_SEL_MASK) >> PCLK_BUS_SEL_SHIFT;
751*4882a593Smuzhiyun if (sel == PCLK_BUS_SEL_100M)
752*4882a593Smuzhiyun rate = 100 * MHz;
753*4882a593Smuzhiyun else if (sel == PCLK_BUS_SEL_75M)
754*4882a593Smuzhiyun rate = 75 * MHz;
755*4882a593Smuzhiyun else if (sel == PCLK_BUS_SEL_50M)
756*4882a593Smuzhiyun rate = 50 * MHz;
757*4882a593Smuzhiyun else
758*4882a593Smuzhiyun rate = OSC_HZ;
759*4882a593Smuzhiyun break;
760*4882a593Smuzhiyun default:
761*4882a593Smuzhiyun return -ENOENT;
762*4882a593Smuzhiyun }
763*4882a593Smuzhiyun
764*4882a593Smuzhiyun return rate;
765*4882a593Smuzhiyun }
766*4882a593Smuzhiyun
rk3568_bus_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)767*4882a593Smuzhiyun static ulong rk3568_bus_set_clk(struct rk3568_clk_priv *priv,
768*4882a593Smuzhiyun ulong clk_id, ulong rate)
769*4882a593Smuzhiyun {
770*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
771*4882a593Smuzhiyun int src_clk;
772*4882a593Smuzhiyun
773*4882a593Smuzhiyun switch (clk_id) {
774*4882a593Smuzhiyun case ACLK_BUS:
775*4882a593Smuzhiyun if (rate == 200 * MHz)
776*4882a593Smuzhiyun src_clk = ACLK_BUS_SEL_200M;
777*4882a593Smuzhiyun else if (rate == 150 * MHz)
778*4882a593Smuzhiyun src_clk = ACLK_BUS_SEL_150M;
779*4882a593Smuzhiyun else if (rate == 100 * MHz)
780*4882a593Smuzhiyun src_clk = ACLK_BUS_SEL_100M;
781*4882a593Smuzhiyun else
782*4882a593Smuzhiyun src_clk = ACLK_BUS_SEL_24M;
783*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[50],
784*4882a593Smuzhiyun ACLK_BUS_SEL_MASK,
785*4882a593Smuzhiyun src_clk << ACLK_BUS_SEL_SHIFT);
786*4882a593Smuzhiyun break;
787*4882a593Smuzhiyun case PCLK_BUS:
788*4882a593Smuzhiyun case PCLK_WDT_NS:
789*4882a593Smuzhiyun if (rate == 100 * MHz)
790*4882a593Smuzhiyun src_clk = PCLK_BUS_SEL_100M;
791*4882a593Smuzhiyun else if (rate == 75 * MHz)
792*4882a593Smuzhiyun src_clk = PCLK_BUS_SEL_75M;
793*4882a593Smuzhiyun else if (rate == 50 * MHz)
794*4882a593Smuzhiyun src_clk = PCLK_BUS_SEL_50M;
795*4882a593Smuzhiyun else
796*4882a593Smuzhiyun src_clk = PCLK_BUS_SEL_24M;
797*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[50],
798*4882a593Smuzhiyun PCLK_BUS_SEL_MASK,
799*4882a593Smuzhiyun src_clk << PCLK_BUS_SEL_SHIFT);
800*4882a593Smuzhiyun break;
801*4882a593Smuzhiyun
802*4882a593Smuzhiyun default:
803*4882a593Smuzhiyun printf("do not support this bus freq\n");
804*4882a593Smuzhiyun return -EINVAL;
805*4882a593Smuzhiyun }
806*4882a593Smuzhiyun
807*4882a593Smuzhiyun return rk3568_bus_get_clk(priv, clk_id);
808*4882a593Smuzhiyun }
809*4882a593Smuzhiyun
rk3568_perimid_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)810*4882a593Smuzhiyun static ulong rk3568_perimid_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
811*4882a593Smuzhiyun {
812*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
813*4882a593Smuzhiyun u32 con, sel, rate;
814*4882a593Smuzhiyun
815*4882a593Smuzhiyun switch (clk_id) {
816*4882a593Smuzhiyun case ACLK_PERIMID:
817*4882a593Smuzhiyun con = readl(&cru->clksel_con[10]);
818*4882a593Smuzhiyun sel = (con & ACLK_PERIMID_SEL_MASK) >> ACLK_PERIMID_SEL_SHIFT;
819*4882a593Smuzhiyun if (sel == ACLK_PERIMID_SEL_300M)
820*4882a593Smuzhiyun rate = 300 * MHz;
821*4882a593Smuzhiyun else if (sel == ACLK_PERIMID_SEL_200M)
822*4882a593Smuzhiyun rate = 200 * MHz;
823*4882a593Smuzhiyun else if (sel == ACLK_PERIMID_SEL_100M)
824*4882a593Smuzhiyun rate = 100 * MHz;
825*4882a593Smuzhiyun else
826*4882a593Smuzhiyun rate = OSC_HZ;
827*4882a593Smuzhiyun break;
828*4882a593Smuzhiyun case HCLK_PERIMID:
829*4882a593Smuzhiyun con = readl(&cru->clksel_con[10]);
830*4882a593Smuzhiyun sel = (con & HCLK_PERIMID_SEL_MASK) >> HCLK_PERIMID_SEL_SHIFT;
831*4882a593Smuzhiyun if (sel == HCLK_PERIMID_SEL_150M)
832*4882a593Smuzhiyun rate = 150 * MHz;
833*4882a593Smuzhiyun else if (sel == HCLK_PERIMID_SEL_100M)
834*4882a593Smuzhiyun rate = 100 * MHz;
835*4882a593Smuzhiyun else if (sel == HCLK_PERIMID_SEL_75M)
836*4882a593Smuzhiyun rate = 75 * MHz;
837*4882a593Smuzhiyun else
838*4882a593Smuzhiyun rate = OSC_HZ;
839*4882a593Smuzhiyun break;
840*4882a593Smuzhiyun default:
841*4882a593Smuzhiyun return -ENOENT;
842*4882a593Smuzhiyun }
843*4882a593Smuzhiyun
844*4882a593Smuzhiyun return rate;
845*4882a593Smuzhiyun }
846*4882a593Smuzhiyun
rk3568_perimid_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)847*4882a593Smuzhiyun static ulong rk3568_perimid_set_clk(struct rk3568_clk_priv *priv,
848*4882a593Smuzhiyun ulong clk_id, ulong rate)
849*4882a593Smuzhiyun {
850*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
851*4882a593Smuzhiyun int src_clk;
852*4882a593Smuzhiyun
853*4882a593Smuzhiyun switch (clk_id) {
854*4882a593Smuzhiyun case ACLK_PERIMID:
855*4882a593Smuzhiyun if (rate == 300 * MHz)
856*4882a593Smuzhiyun src_clk = ACLK_PERIMID_SEL_300M;
857*4882a593Smuzhiyun else if (rate == 200 * MHz)
858*4882a593Smuzhiyun src_clk = ACLK_PERIMID_SEL_200M;
859*4882a593Smuzhiyun else if (rate == 100 * MHz)
860*4882a593Smuzhiyun src_clk = ACLK_PERIMID_SEL_100M;
861*4882a593Smuzhiyun else
862*4882a593Smuzhiyun src_clk = ACLK_PERIMID_SEL_24M;
863*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[10],
864*4882a593Smuzhiyun ACLK_PERIMID_SEL_MASK,
865*4882a593Smuzhiyun src_clk << ACLK_PERIMID_SEL_SHIFT);
866*4882a593Smuzhiyun break;
867*4882a593Smuzhiyun case HCLK_PERIMID:
868*4882a593Smuzhiyun if (rate == 150 * MHz)
869*4882a593Smuzhiyun src_clk = HCLK_PERIMID_SEL_150M;
870*4882a593Smuzhiyun else if (rate == 100 * MHz)
871*4882a593Smuzhiyun src_clk = HCLK_PERIMID_SEL_100M;
872*4882a593Smuzhiyun else if (rate == 75 * MHz)
873*4882a593Smuzhiyun src_clk = HCLK_PERIMID_SEL_75M;
874*4882a593Smuzhiyun else
875*4882a593Smuzhiyun src_clk = HCLK_PERIMID_SEL_24M;
876*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[10],
877*4882a593Smuzhiyun HCLK_PERIMID_SEL_MASK,
878*4882a593Smuzhiyun src_clk << HCLK_PERIMID_SEL_SHIFT);
879*4882a593Smuzhiyun break;
880*4882a593Smuzhiyun
881*4882a593Smuzhiyun default:
882*4882a593Smuzhiyun printf("do not support this permid freq\n");
883*4882a593Smuzhiyun return -EINVAL;
884*4882a593Smuzhiyun }
885*4882a593Smuzhiyun
886*4882a593Smuzhiyun return rk3568_perimid_get_clk(priv, clk_id);
887*4882a593Smuzhiyun }
888*4882a593Smuzhiyun
rk3568_top_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)889*4882a593Smuzhiyun static ulong rk3568_top_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
890*4882a593Smuzhiyun {
891*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
892*4882a593Smuzhiyun u32 con, sel, rate;
893*4882a593Smuzhiyun
894*4882a593Smuzhiyun switch (clk_id) {
895*4882a593Smuzhiyun case ACLK_TOP_HIGH:
896*4882a593Smuzhiyun con = readl(&cru->clksel_con[73]);
897*4882a593Smuzhiyun sel = (con & ACLK_TOP_HIGH_SEL_MASK) >> ACLK_TOP_HIGH_SEL_SHIFT;
898*4882a593Smuzhiyun if (sel == ACLK_TOP_HIGH_SEL_500M)
899*4882a593Smuzhiyun rate = 500 * MHz;
900*4882a593Smuzhiyun else if (sel == ACLK_TOP_HIGH_SEL_400M)
901*4882a593Smuzhiyun rate = 400 * MHz;
902*4882a593Smuzhiyun else if (sel == ACLK_TOP_HIGH_SEL_300M)
903*4882a593Smuzhiyun rate = 300 * MHz;
904*4882a593Smuzhiyun else
905*4882a593Smuzhiyun rate = OSC_HZ;
906*4882a593Smuzhiyun break;
907*4882a593Smuzhiyun case ACLK_TOP_LOW:
908*4882a593Smuzhiyun con = readl(&cru->clksel_con[73]);
909*4882a593Smuzhiyun sel = (con & ACLK_TOP_LOW_SEL_MASK) >> ACLK_TOP_LOW_SEL_SHIFT;
910*4882a593Smuzhiyun if (sel == ACLK_TOP_LOW_SEL_400M)
911*4882a593Smuzhiyun rate = 400 * MHz;
912*4882a593Smuzhiyun else if (sel == ACLK_TOP_LOW_SEL_300M)
913*4882a593Smuzhiyun rate = 300 * MHz;
914*4882a593Smuzhiyun else if (sel == ACLK_TOP_LOW_SEL_200M)
915*4882a593Smuzhiyun rate = 200 * MHz;
916*4882a593Smuzhiyun else
917*4882a593Smuzhiyun rate = OSC_HZ;
918*4882a593Smuzhiyun break;
919*4882a593Smuzhiyun case HCLK_TOP:
920*4882a593Smuzhiyun con = readl(&cru->clksel_con[73]);
921*4882a593Smuzhiyun sel = (con & HCLK_TOP_SEL_MASK) >> HCLK_TOP_SEL_SHIFT;
922*4882a593Smuzhiyun if (sel == HCLK_TOP_SEL_150M)
923*4882a593Smuzhiyun rate = 150 * MHz;
924*4882a593Smuzhiyun else if (sel == HCLK_TOP_SEL_100M)
925*4882a593Smuzhiyun rate = 100 * MHz;
926*4882a593Smuzhiyun else if (sel == HCLK_TOP_SEL_75M)
927*4882a593Smuzhiyun rate = 75 * MHz;
928*4882a593Smuzhiyun else
929*4882a593Smuzhiyun rate = OSC_HZ;
930*4882a593Smuzhiyun break;
931*4882a593Smuzhiyun case PCLK_TOP:
932*4882a593Smuzhiyun con = readl(&cru->clksel_con[73]);
933*4882a593Smuzhiyun sel = (con & PCLK_TOP_SEL_MASK) >> PCLK_TOP_SEL_SHIFT;
934*4882a593Smuzhiyun if (sel == PCLK_TOP_SEL_100M)
935*4882a593Smuzhiyun rate = 100 * MHz;
936*4882a593Smuzhiyun else if (sel == PCLK_TOP_SEL_75M)
937*4882a593Smuzhiyun rate = 75 * MHz;
938*4882a593Smuzhiyun else if (sel == PCLK_TOP_SEL_50M)
939*4882a593Smuzhiyun rate = 50 * MHz;
940*4882a593Smuzhiyun else
941*4882a593Smuzhiyun rate = OSC_HZ;
942*4882a593Smuzhiyun break;
943*4882a593Smuzhiyun default:
944*4882a593Smuzhiyun return -ENOENT;
945*4882a593Smuzhiyun }
946*4882a593Smuzhiyun
947*4882a593Smuzhiyun return rate;
948*4882a593Smuzhiyun }
949*4882a593Smuzhiyun
rk3568_top_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)950*4882a593Smuzhiyun static ulong rk3568_top_set_clk(struct rk3568_clk_priv *priv,
951*4882a593Smuzhiyun ulong clk_id, ulong rate)
952*4882a593Smuzhiyun {
953*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
954*4882a593Smuzhiyun int src_clk;
955*4882a593Smuzhiyun
956*4882a593Smuzhiyun switch (clk_id) {
957*4882a593Smuzhiyun case ACLK_TOP_HIGH:
958*4882a593Smuzhiyun if (rate == 500 * MHz)
959*4882a593Smuzhiyun src_clk = ACLK_TOP_HIGH_SEL_500M;
960*4882a593Smuzhiyun else if (rate == 400 * MHz)
961*4882a593Smuzhiyun src_clk = ACLK_TOP_HIGH_SEL_400M;
962*4882a593Smuzhiyun else if (rate == 300 * MHz)
963*4882a593Smuzhiyun src_clk = ACLK_TOP_HIGH_SEL_300M;
964*4882a593Smuzhiyun else
965*4882a593Smuzhiyun src_clk = ACLK_TOP_HIGH_SEL_24M;
966*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[73],
967*4882a593Smuzhiyun ACLK_TOP_HIGH_SEL_MASK,
968*4882a593Smuzhiyun src_clk << ACLK_TOP_HIGH_SEL_SHIFT);
969*4882a593Smuzhiyun break;
970*4882a593Smuzhiyun case ACLK_TOP_LOW:
971*4882a593Smuzhiyun if (rate == 400 * MHz)
972*4882a593Smuzhiyun src_clk = ACLK_TOP_LOW_SEL_400M;
973*4882a593Smuzhiyun else if (rate == 300 * MHz)
974*4882a593Smuzhiyun src_clk = ACLK_TOP_LOW_SEL_300M;
975*4882a593Smuzhiyun else if (rate == 200 * MHz)
976*4882a593Smuzhiyun src_clk = ACLK_TOP_LOW_SEL_200M;
977*4882a593Smuzhiyun else
978*4882a593Smuzhiyun src_clk = ACLK_TOP_LOW_SEL_24M;
979*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[73],
980*4882a593Smuzhiyun ACLK_TOP_LOW_SEL_MASK,
981*4882a593Smuzhiyun src_clk << ACLK_TOP_LOW_SEL_SHIFT);
982*4882a593Smuzhiyun break;
983*4882a593Smuzhiyun case HCLK_TOP:
984*4882a593Smuzhiyun if (rate == 150 * MHz)
985*4882a593Smuzhiyun src_clk = HCLK_TOP_SEL_150M;
986*4882a593Smuzhiyun else if (rate == 100 * MHz)
987*4882a593Smuzhiyun src_clk = HCLK_TOP_SEL_100M;
988*4882a593Smuzhiyun else if (rate == 75 * MHz)
989*4882a593Smuzhiyun src_clk = HCLK_TOP_SEL_75M;
990*4882a593Smuzhiyun else
991*4882a593Smuzhiyun src_clk = HCLK_TOP_SEL_24M;
992*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[73],
993*4882a593Smuzhiyun HCLK_TOP_SEL_MASK,
994*4882a593Smuzhiyun src_clk << HCLK_TOP_SEL_SHIFT);
995*4882a593Smuzhiyun break;
996*4882a593Smuzhiyun case PCLK_TOP:
997*4882a593Smuzhiyun if (rate == 100 * MHz)
998*4882a593Smuzhiyun src_clk = PCLK_TOP_SEL_100M;
999*4882a593Smuzhiyun else if (rate == 75 * MHz)
1000*4882a593Smuzhiyun src_clk = PCLK_TOP_SEL_75M;
1001*4882a593Smuzhiyun else if (rate == 50 * MHz)
1002*4882a593Smuzhiyun src_clk = PCLK_TOP_SEL_50M;
1003*4882a593Smuzhiyun else
1004*4882a593Smuzhiyun src_clk = PCLK_TOP_SEL_24M;
1005*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[73],
1006*4882a593Smuzhiyun PCLK_TOP_SEL_MASK,
1007*4882a593Smuzhiyun src_clk << PCLK_TOP_SEL_SHIFT);
1008*4882a593Smuzhiyun break;
1009*4882a593Smuzhiyun
1010*4882a593Smuzhiyun default:
1011*4882a593Smuzhiyun printf("do not support this permid freq\n");
1012*4882a593Smuzhiyun return -EINVAL;
1013*4882a593Smuzhiyun }
1014*4882a593Smuzhiyun
1015*4882a593Smuzhiyun return rk3568_top_get_clk(priv, clk_id);
1016*4882a593Smuzhiyun }
1017*4882a593Smuzhiyun
rk3568_i2c_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1018*4882a593Smuzhiyun static ulong rk3568_i2c_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1019*4882a593Smuzhiyun {
1020*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1021*4882a593Smuzhiyun u32 sel, con;
1022*4882a593Smuzhiyun ulong rate;
1023*4882a593Smuzhiyun
1024*4882a593Smuzhiyun switch (clk_id) {
1025*4882a593Smuzhiyun case CLK_I2C1:
1026*4882a593Smuzhiyun case CLK_I2C2:
1027*4882a593Smuzhiyun case CLK_I2C3:
1028*4882a593Smuzhiyun case CLK_I2C4:
1029*4882a593Smuzhiyun case CLK_I2C5:
1030*4882a593Smuzhiyun con = readl(&cru->clksel_con[71]);
1031*4882a593Smuzhiyun sel = (con & CLK_I2C_SEL_MASK) >> CLK_I2C_SEL_SHIFT;
1032*4882a593Smuzhiyun if (sel == CLK_I2C_SEL_200M)
1033*4882a593Smuzhiyun rate = 200 * MHz;
1034*4882a593Smuzhiyun else if (sel == CLK_I2C_SEL_100M)
1035*4882a593Smuzhiyun rate = 100 * MHz;
1036*4882a593Smuzhiyun else if (sel == CLK_I2C_SEL_CPLL_100M)
1037*4882a593Smuzhiyun rate = 100 * MHz;
1038*4882a593Smuzhiyun else
1039*4882a593Smuzhiyun rate = OSC_HZ;
1040*4882a593Smuzhiyun break;
1041*4882a593Smuzhiyun default:
1042*4882a593Smuzhiyun return -ENOENT;
1043*4882a593Smuzhiyun }
1044*4882a593Smuzhiyun
1045*4882a593Smuzhiyun return rate;
1046*4882a593Smuzhiyun }
1047*4882a593Smuzhiyun
rk3568_i2c_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1048*4882a593Smuzhiyun static ulong rk3568_i2c_set_clk(struct rk3568_clk_priv *priv, ulong clk_id,
1049*4882a593Smuzhiyun ulong rate)
1050*4882a593Smuzhiyun {
1051*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1052*4882a593Smuzhiyun int src_clk;
1053*4882a593Smuzhiyun
1054*4882a593Smuzhiyun if (rate == 200 * MHz)
1055*4882a593Smuzhiyun src_clk = CLK_I2C_SEL_200M;
1056*4882a593Smuzhiyun else if (rate == 100 * MHz)
1057*4882a593Smuzhiyun src_clk = CLK_I2C_SEL_100M;
1058*4882a593Smuzhiyun else
1059*4882a593Smuzhiyun src_clk = CLK_I2C_SEL_24M;
1060*4882a593Smuzhiyun
1061*4882a593Smuzhiyun switch (clk_id) {
1062*4882a593Smuzhiyun case CLK_I2C1:
1063*4882a593Smuzhiyun case CLK_I2C2:
1064*4882a593Smuzhiyun case CLK_I2C3:
1065*4882a593Smuzhiyun case CLK_I2C4:
1066*4882a593Smuzhiyun case CLK_I2C5:
1067*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[71], CLK_I2C_SEL_MASK,
1068*4882a593Smuzhiyun src_clk << CLK_I2C_SEL_SHIFT);
1069*4882a593Smuzhiyun break;
1070*4882a593Smuzhiyun default:
1071*4882a593Smuzhiyun return -ENOENT;
1072*4882a593Smuzhiyun }
1073*4882a593Smuzhiyun
1074*4882a593Smuzhiyun return rk3568_i2c_get_clk(priv, clk_id);
1075*4882a593Smuzhiyun }
1076*4882a593Smuzhiyun
rk3568_spi_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1077*4882a593Smuzhiyun static ulong rk3568_spi_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1078*4882a593Smuzhiyun {
1079*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1080*4882a593Smuzhiyun u32 sel, con;
1081*4882a593Smuzhiyun
1082*4882a593Smuzhiyun con = readl(&cru->clksel_con[72]);
1083*4882a593Smuzhiyun
1084*4882a593Smuzhiyun switch (clk_id) {
1085*4882a593Smuzhiyun case CLK_SPI0:
1086*4882a593Smuzhiyun sel = (con & CLK_SPI0_SEL_MASK) >> CLK_SPI0_SEL_SHIFT;
1087*4882a593Smuzhiyun break;
1088*4882a593Smuzhiyun case CLK_SPI1:
1089*4882a593Smuzhiyun sel = (con & CLK_SPI1_SEL_MASK) >> CLK_SPI1_SEL_SHIFT;
1090*4882a593Smuzhiyun break;
1091*4882a593Smuzhiyun case CLK_SPI2:
1092*4882a593Smuzhiyun sel = (con & CLK_SPI2_SEL_MASK) >> CLK_SPI2_SEL_SHIFT;
1093*4882a593Smuzhiyun break;
1094*4882a593Smuzhiyun case CLK_SPI3:
1095*4882a593Smuzhiyun sel = (con & CLK_SPI3_SEL_MASK) >> CLK_SPI3_SEL_SHIFT;
1096*4882a593Smuzhiyun break;
1097*4882a593Smuzhiyun default:
1098*4882a593Smuzhiyun return -ENOENT;
1099*4882a593Smuzhiyun }
1100*4882a593Smuzhiyun
1101*4882a593Smuzhiyun switch (sel) {
1102*4882a593Smuzhiyun case CLK_SPI_SEL_200M:
1103*4882a593Smuzhiyun return 200 * MHz;
1104*4882a593Smuzhiyun case CLK_SPI_SEL_24M:
1105*4882a593Smuzhiyun return OSC_HZ;
1106*4882a593Smuzhiyun case CLK_SPI_SEL_CPLL_100M:
1107*4882a593Smuzhiyun return 100 * MHz;
1108*4882a593Smuzhiyun default:
1109*4882a593Smuzhiyun return -ENOENT;
1110*4882a593Smuzhiyun }
1111*4882a593Smuzhiyun }
1112*4882a593Smuzhiyun
rk3568_spi_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1113*4882a593Smuzhiyun static ulong rk3568_spi_set_clk(struct rk3568_clk_priv *priv,
1114*4882a593Smuzhiyun ulong clk_id, ulong rate)
1115*4882a593Smuzhiyun {
1116*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1117*4882a593Smuzhiyun int src_clk;
1118*4882a593Smuzhiyun
1119*4882a593Smuzhiyun if (rate == 200 * MHz)
1120*4882a593Smuzhiyun src_clk = CLK_SPI_SEL_200M;
1121*4882a593Smuzhiyun else if (rate == 100 * MHz)
1122*4882a593Smuzhiyun src_clk = CLK_SPI_SEL_CPLL_100M;
1123*4882a593Smuzhiyun else
1124*4882a593Smuzhiyun src_clk = CLK_SPI_SEL_24M;
1125*4882a593Smuzhiyun
1126*4882a593Smuzhiyun switch (clk_id) {
1127*4882a593Smuzhiyun case CLK_SPI0:
1128*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1129*4882a593Smuzhiyun CLK_SPI0_SEL_MASK,
1130*4882a593Smuzhiyun src_clk << CLK_SPI0_SEL_SHIFT);
1131*4882a593Smuzhiyun break;
1132*4882a593Smuzhiyun case CLK_SPI1:
1133*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1134*4882a593Smuzhiyun CLK_SPI1_SEL_MASK,
1135*4882a593Smuzhiyun src_clk << CLK_SPI1_SEL_SHIFT);
1136*4882a593Smuzhiyun break;
1137*4882a593Smuzhiyun case CLK_SPI2:
1138*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1139*4882a593Smuzhiyun CLK_SPI2_SEL_MASK,
1140*4882a593Smuzhiyun src_clk << CLK_SPI2_SEL_SHIFT);
1141*4882a593Smuzhiyun break;
1142*4882a593Smuzhiyun case CLK_SPI3:
1143*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1144*4882a593Smuzhiyun CLK_SPI3_SEL_MASK,
1145*4882a593Smuzhiyun src_clk << CLK_SPI3_SEL_SHIFT);
1146*4882a593Smuzhiyun break;
1147*4882a593Smuzhiyun default:
1148*4882a593Smuzhiyun return -ENOENT;
1149*4882a593Smuzhiyun }
1150*4882a593Smuzhiyun
1151*4882a593Smuzhiyun return rk3568_spi_get_clk(priv, clk_id);
1152*4882a593Smuzhiyun }
1153*4882a593Smuzhiyun
rk3568_pwm_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1154*4882a593Smuzhiyun static ulong rk3568_pwm_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1155*4882a593Smuzhiyun {
1156*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1157*4882a593Smuzhiyun u32 sel, con;
1158*4882a593Smuzhiyun
1159*4882a593Smuzhiyun con = readl(&cru->clksel_con[72]);
1160*4882a593Smuzhiyun
1161*4882a593Smuzhiyun switch (clk_id) {
1162*4882a593Smuzhiyun case CLK_PWM1:
1163*4882a593Smuzhiyun sel = (con & CLK_PWM1_SEL_MASK) >> CLK_PWM1_SEL_SHIFT;
1164*4882a593Smuzhiyun break;
1165*4882a593Smuzhiyun case CLK_PWM2:
1166*4882a593Smuzhiyun sel = (con & CLK_PWM2_SEL_MASK) >> CLK_PWM2_SEL_SHIFT;
1167*4882a593Smuzhiyun break;
1168*4882a593Smuzhiyun case CLK_PWM3:
1169*4882a593Smuzhiyun sel = (con & CLK_PWM3_SEL_MASK) >> CLK_PWM3_SEL_SHIFT;
1170*4882a593Smuzhiyun break;
1171*4882a593Smuzhiyun default:
1172*4882a593Smuzhiyun return -ENOENT;
1173*4882a593Smuzhiyun }
1174*4882a593Smuzhiyun
1175*4882a593Smuzhiyun switch (sel) {
1176*4882a593Smuzhiyun case CLK_PWM_SEL_100M:
1177*4882a593Smuzhiyun return 100 * MHz;
1178*4882a593Smuzhiyun case CLK_PWM_SEL_24M:
1179*4882a593Smuzhiyun return OSC_HZ;
1180*4882a593Smuzhiyun case CLK_PWM_SEL_CPLL_100M:
1181*4882a593Smuzhiyun return 100 * MHz;
1182*4882a593Smuzhiyun default:
1183*4882a593Smuzhiyun return -ENOENT;
1184*4882a593Smuzhiyun }
1185*4882a593Smuzhiyun }
1186*4882a593Smuzhiyun
rk3568_pwm_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1187*4882a593Smuzhiyun static ulong rk3568_pwm_set_clk(struct rk3568_clk_priv *priv,
1188*4882a593Smuzhiyun ulong clk_id, ulong rate)
1189*4882a593Smuzhiyun {
1190*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1191*4882a593Smuzhiyun int src_clk;
1192*4882a593Smuzhiyun
1193*4882a593Smuzhiyun if (rate == 100 * MHz)
1194*4882a593Smuzhiyun src_clk = CLK_PWM_SEL_100M;
1195*4882a593Smuzhiyun else
1196*4882a593Smuzhiyun src_clk = CLK_PWM_SEL_24M;
1197*4882a593Smuzhiyun
1198*4882a593Smuzhiyun switch (clk_id) {
1199*4882a593Smuzhiyun case CLK_PWM1:
1200*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1201*4882a593Smuzhiyun CLK_PWM1_SEL_MASK,
1202*4882a593Smuzhiyun src_clk << CLK_PWM1_SEL_SHIFT);
1203*4882a593Smuzhiyun break;
1204*4882a593Smuzhiyun case CLK_PWM2:
1205*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1206*4882a593Smuzhiyun CLK_PWM2_SEL_MASK,
1207*4882a593Smuzhiyun src_clk << CLK_PWM2_SEL_SHIFT);
1208*4882a593Smuzhiyun break;
1209*4882a593Smuzhiyun case CLK_PWM3:
1210*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[72],
1211*4882a593Smuzhiyun CLK_PWM3_SEL_MASK,
1212*4882a593Smuzhiyun src_clk << CLK_PWM3_SEL_SHIFT);
1213*4882a593Smuzhiyun break;
1214*4882a593Smuzhiyun default:
1215*4882a593Smuzhiyun return -ENOENT;
1216*4882a593Smuzhiyun }
1217*4882a593Smuzhiyun
1218*4882a593Smuzhiyun return rk3568_pwm_get_clk(priv, clk_id);
1219*4882a593Smuzhiyun }
1220*4882a593Smuzhiyun
rk3568_adc_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1221*4882a593Smuzhiyun static ulong rk3568_adc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1222*4882a593Smuzhiyun {
1223*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1224*4882a593Smuzhiyun u32 div, sel, con, prate;
1225*4882a593Smuzhiyun
1226*4882a593Smuzhiyun switch (clk_id) {
1227*4882a593Smuzhiyun case CLK_SARADC:
1228*4882a593Smuzhiyun return OSC_HZ;
1229*4882a593Smuzhiyun case CLK_TSADC_TSEN:
1230*4882a593Smuzhiyun con = readl(&cru->clksel_con[51]);
1231*4882a593Smuzhiyun div = (con & CLK_TSADC_TSEN_DIV_MASK) >>
1232*4882a593Smuzhiyun CLK_TSADC_TSEN_DIV_SHIFT;
1233*4882a593Smuzhiyun sel = (con & CLK_TSADC_TSEN_SEL_MASK) >>
1234*4882a593Smuzhiyun CLK_TSADC_TSEN_SEL_SHIFT;
1235*4882a593Smuzhiyun if (sel == CLK_TSADC_TSEN_SEL_24M)
1236*4882a593Smuzhiyun prate = OSC_HZ;
1237*4882a593Smuzhiyun else
1238*4882a593Smuzhiyun prate = 100 * MHz;
1239*4882a593Smuzhiyun return DIV_TO_RATE(prate, div);
1240*4882a593Smuzhiyun case CLK_TSADC:
1241*4882a593Smuzhiyun con = readl(&cru->clksel_con[51]);
1242*4882a593Smuzhiyun div = (con & CLK_TSADC_DIV_MASK) >> CLK_TSADC_DIV_SHIFT;
1243*4882a593Smuzhiyun prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN);
1244*4882a593Smuzhiyun return DIV_TO_RATE(prate, div);
1245*4882a593Smuzhiyun default:
1246*4882a593Smuzhiyun return -ENOENT;
1247*4882a593Smuzhiyun }
1248*4882a593Smuzhiyun }
1249*4882a593Smuzhiyun
rk3568_adc_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1250*4882a593Smuzhiyun static ulong rk3568_adc_set_clk(struct rk3568_clk_priv *priv,
1251*4882a593Smuzhiyun ulong clk_id, ulong rate)
1252*4882a593Smuzhiyun {
1253*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1254*4882a593Smuzhiyun int src_clk_div;
1255*4882a593Smuzhiyun ulong prate = 0;
1256*4882a593Smuzhiyun
1257*4882a593Smuzhiyun switch (clk_id) {
1258*4882a593Smuzhiyun case CLK_SARADC:
1259*4882a593Smuzhiyun return OSC_HZ;
1260*4882a593Smuzhiyun case CLK_TSADC_TSEN:
1261*4882a593Smuzhiyun if (!(OSC_HZ % rate)) {
1262*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(OSC_HZ, rate);
1263*4882a593Smuzhiyun assert(src_clk_div - 1 <= 7);
1264*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[51],
1265*4882a593Smuzhiyun CLK_TSADC_TSEN_SEL_MASK |
1266*4882a593Smuzhiyun CLK_TSADC_TSEN_DIV_MASK,
1267*4882a593Smuzhiyun (CLK_TSADC_TSEN_SEL_24M <<
1268*4882a593Smuzhiyun CLK_TSADC_TSEN_SEL_SHIFT) |
1269*4882a593Smuzhiyun (src_clk_div - 1) <<
1270*4882a593Smuzhiyun CLK_TSADC_TSEN_DIV_SHIFT);
1271*4882a593Smuzhiyun } else {
1272*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(100 * MHz, rate);
1273*4882a593Smuzhiyun assert(src_clk_div - 1 <= 7);
1274*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[51],
1275*4882a593Smuzhiyun CLK_TSADC_TSEN_SEL_MASK |
1276*4882a593Smuzhiyun CLK_TSADC_TSEN_DIV_MASK,
1277*4882a593Smuzhiyun (CLK_TSADC_TSEN_SEL_100M <<
1278*4882a593Smuzhiyun CLK_TSADC_TSEN_SEL_SHIFT) |
1279*4882a593Smuzhiyun (src_clk_div - 1) <<
1280*4882a593Smuzhiyun CLK_TSADC_TSEN_DIV_SHIFT);
1281*4882a593Smuzhiyun }
1282*4882a593Smuzhiyun break;
1283*4882a593Smuzhiyun case CLK_TSADC:
1284*4882a593Smuzhiyun prate = rk3568_adc_get_clk(priv, CLK_TSADC_TSEN);
1285*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(prate, rate);
1286*4882a593Smuzhiyun assert(src_clk_div - 1 <= 128);
1287*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[51],
1288*4882a593Smuzhiyun CLK_TSADC_DIV_MASK,
1289*4882a593Smuzhiyun (src_clk_div - 1) << CLK_TSADC_DIV_SHIFT);
1290*4882a593Smuzhiyun break;
1291*4882a593Smuzhiyun default:
1292*4882a593Smuzhiyun return -ENOENT;
1293*4882a593Smuzhiyun }
1294*4882a593Smuzhiyun return rk3568_adc_get_clk(priv, clk_id);
1295*4882a593Smuzhiyun }
1296*4882a593Smuzhiyun
rk3568_crypto_get_rate(struct rk3568_clk_priv * priv,ulong clk_id)1297*4882a593Smuzhiyun static ulong rk3568_crypto_get_rate(struct rk3568_clk_priv *priv, ulong clk_id)
1298*4882a593Smuzhiyun {
1299*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1300*4882a593Smuzhiyun u32 sel, con;
1301*4882a593Smuzhiyun
1302*4882a593Smuzhiyun switch (clk_id) {
1303*4882a593Smuzhiyun case ACLK_SECURE_FLASH:
1304*4882a593Smuzhiyun case ACLK_CRYPTO_NS:
1305*4882a593Smuzhiyun con = readl(&cru->clksel_con[27]);
1306*4882a593Smuzhiyun sel = (con & ACLK_SECURE_FLASH_SEL_MASK) >>
1307*4882a593Smuzhiyun ACLK_SECURE_FLASH_SEL_SHIFT;
1308*4882a593Smuzhiyun if (sel == ACLK_SECURE_FLASH_SEL_200M)
1309*4882a593Smuzhiyun return 200 * MHz;
1310*4882a593Smuzhiyun else if (sel == ACLK_SECURE_FLASH_SEL_150M)
1311*4882a593Smuzhiyun return 150 * MHz;
1312*4882a593Smuzhiyun else if (sel == ACLK_SECURE_FLASH_SEL_100M)
1313*4882a593Smuzhiyun return 100 * MHz;
1314*4882a593Smuzhiyun else
1315*4882a593Smuzhiyun return 24 * MHz;
1316*4882a593Smuzhiyun case HCLK_SECURE_FLASH:
1317*4882a593Smuzhiyun case HCLK_CRYPTO_NS:
1318*4882a593Smuzhiyun case CLK_CRYPTO_NS_RNG:
1319*4882a593Smuzhiyun con = readl(&cru->clksel_con[27]);
1320*4882a593Smuzhiyun sel = (con & HCLK_SECURE_FLASH_SEL_MASK) >>
1321*4882a593Smuzhiyun HCLK_SECURE_FLASH_SEL_SHIFT;
1322*4882a593Smuzhiyun if (sel == HCLK_SECURE_FLASH_SEL_150M)
1323*4882a593Smuzhiyun return 150 * MHz;
1324*4882a593Smuzhiyun else if (sel == HCLK_SECURE_FLASH_SEL_100M)
1325*4882a593Smuzhiyun return 100 * MHz;
1326*4882a593Smuzhiyun else if (sel == HCLK_SECURE_FLASH_SEL_75M)
1327*4882a593Smuzhiyun return 75 * MHz;
1328*4882a593Smuzhiyun else
1329*4882a593Smuzhiyun return 24 * MHz;
1330*4882a593Smuzhiyun case CLK_CRYPTO_NS_CORE:
1331*4882a593Smuzhiyun con = readl(&cru->clksel_con[27]);
1332*4882a593Smuzhiyun sel = (con & CLK_CRYPTO_CORE_SEL_MASK) >>
1333*4882a593Smuzhiyun CLK_CRYPTO_CORE_SEL_SHIFT;
1334*4882a593Smuzhiyun if (sel == CLK_CRYPTO_CORE_SEL_200M)
1335*4882a593Smuzhiyun return 200 * MHz;
1336*4882a593Smuzhiyun else if (sel == CLK_CRYPTO_CORE_SEL_150M)
1337*4882a593Smuzhiyun return 150 * MHz;
1338*4882a593Smuzhiyun else
1339*4882a593Smuzhiyun return 100 * MHz;
1340*4882a593Smuzhiyun case CLK_CRYPTO_NS_PKA:
1341*4882a593Smuzhiyun con = readl(&cru->clksel_con[27]);
1342*4882a593Smuzhiyun sel = (con & CLK_CRYPTO_PKA_SEL_MASK) >>
1343*4882a593Smuzhiyun CLK_CRYPTO_PKA_SEL_SHIFT;
1344*4882a593Smuzhiyun if (sel == CLK_CRYPTO_PKA_SEL_300M)
1345*4882a593Smuzhiyun return 300 * MHz;
1346*4882a593Smuzhiyun else if (sel == CLK_CRYPTO_PKA_SEL_200M)
1347*4882a593Smuzhiyun return 200 * MHz;
1348*4882a593Smuzhiyun else
1349*4882a593Smuzhiyun return 100 * MHz;
1350*4882a593Smuzhiyun default:
1351*4882a593Smuzhiyun return -ENOENT;
1352*4882a593Smuzhiyun }
1353*4882a593Smuzhiyun }
1354*4882a593Smuzhiyun
rk3568_crypto_set_rate(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1355*4882a593Smuzhiyun static ulong rk3568_crypto_set_rate(struct rk3568_clk_priv *priv,
1356*4882a593Smuzhiyun ulong clk_id, ulong rate)
1357*4882a593Smuzhiyun {
1358*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1359*4882a593Smuzhiyun u32 src_clk, mask, shift;
1360*4882a593Smuzhiyun
1361*4882a593Smuzhiyun switch (clk_id) {
1362*4882a593Smuzhiyun case ACLK_SECURE_FLASH:
1363*4882a593Smuzhiyun case ACLK_CRYPTO_NS:
1364*4882a593Smuzhiyun mask = ACLK_SECURE_FLASH_SEL_MASK;
1365*4882a593Smuzhiyun shift = ACLK_SECURE_FLASH_SEL_SHIFT;
1366*4882a593Smuzhiyun if (rate == 200 * MHz)
1367*4882a593Smuzhiyun src_clk = ACLK_SECURE_FLASH_SEL_200M;
1368*4882a593Smuzhiyun else if (rate == 150 * MHz)
1369*4882a593Smuzhiyun src_clk = ACLK_SECURE_FLASH_SEL_150M;
1370*4882a593Smuzhiyun else if (rate == 100 * MHz)
1371*4882a593Smuzhiyun src_clk = ACLK_SECURE_FLASH_SEL_100M;
1372*4882a593Smuzhiyun else
1373*4882a593Smuzhiyun src_clk = ACLK_SECURE_FLASH_SEL_24M;
1374*4882a593Smuzhiyun break;
1375*4882a593Smuzhiyun case HCLK_SECURE_FLASH:
1376*4882a593Smuzhiyun case HCLK_CRYPTO_NS:
1377*4882a593Smuzhiyun case CLK_CRYPTO_NS_RNG:
1378*4882a593Smuzhiyun mask = HCLK_SECURE_FLASH_SEL_MASK;
1379*4882a593Smuzhiyun shift = HCLK_SECURE_FLASH_SEL_SHIFT;
1380*4882a593Smuzhiyun if (rate == 150 * MHz)
1381*4882a593Smuzhiyun src_clk = HCLK_SECURE_FLASH_SEL_150M;
1382*4882a593Smuzhiyun else if (rate == 100 * MHz)
1383*4882a593Smuzhiyun src_clk = HCLK_SECURE_FLASH_SEL_100M;
1384*4882a593Smuzhiyun else if (rate == 75 * MHz)
1385*4882a593Smuzhiyun src_clk = HCLK_SECURE_FLASH_SEL_75M;
1386*4882a593Smuzhiyun else
1387*4882a593Smuzhiyun src_clk = HCLK_SECURE_FLASH_SEL_24M;
1388*4882a593Smuzhiyun break;
1389*4882a593Smuzhiyun case CLK_CRYPTO_NS_CORE:
1390*4882a593Smuzhiyun mask = CLK_CRYPTO_CORE_SEL_MASK;
1391*4882a593Smuzhiyun shift = CLK_CRYPTO_CORE_SEL_SHIFT;
1392*4882a593Smuzhiyun if (rate == 200 * MHz)
1393*4882a593Smuzhiyun src_clk = CLK_CRYPTO_CORE_SEL_200M;
1394*4882a593Smuzhiyun else if (rate == 150 * MHz)
1395*4882a593Smuzhiyun src_clk = CLK_CRYPTO_CORE_SEL_150M;
1396*4882a593Smuzhiyun else
1397*4882a593Smuzhiyun src_clk = CLK_CRYPTO_CORE_SEL_100M;
1398*4882a593Smuzhiyun break;
1399*4882a593Smuzhiyun case CLK_CRYPTO_NS_PKA:
1400*4882a593Smuzhiyun mask = CLK_CRYPTO_PKA_SEL_MASK;
1401*4882a593Smuzhiyun shift = CLK_CRYPTO_PKA_SEL_SHIFT;
1402*4882a593Smuzhiyun if (rate == 300 * MHz)
1403*4882a593Smuzhiyun src_clk = CLK_CRYPTO_PKA_SEL_300M;
1404*4882a593Smuzhiyun else if (rate == 200 * MHz)
1405*4882a593Smuzhiyun src_clk = CLK_CRYPTO_PKA_SEL_200M;
1406*4882a593Smuzhiyun else
1407*4882a593Smuzhiyun src_clk = CLK_CRYPTO_PKA_SEL_100M;
1408*4882a593Smuzhiyun break;
1409*4882a593Smuzhiyun default:
1410*4882a593Smuzhiyun return -ENOENT;
1411*4882a593Smuzhiyun }
1412*4882a593Smuzhiyun
1413*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[27], mask, src_clk << shift);
1414*4882a593Smuzhiyun
1415*4882a593Smuzhiyun return rk3568_crypto_get_rate(priv, clk_id);
1416*4882a593Smuzhiyun }
1417*4882a593Smuzhiyun
rk3568_sdmmc_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1418*4882a593Smuzhiyun static ulong rk3568_sdmmc_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1419*4882a593Smuzhiyun {
1420*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1421*4882a593Smuzhiyun u32 sel, con;
1422*4882a593Smuzhiyun
1423*4882a593Smuzhiyun switch (clk_id) {
1424*4882a593Smuzhiyun case HCLK_SDMMC0:
1425*4882a593Smuzhiyun case CLK_SDMMC0:
1426*4882a593Smuzhiyun con = readl(&cru->clksel_con[30]);
1427*4882a593Smuzhiyun sel = (con & CLK_SDMMC0_SEL_MASK) >> CLK_SDMMC0_SEL_SHIFT;
1428*4882a593Smuzhiyun break;
1429*4882a593Smuzhiyun case CLK_SDMMC1:
1430*4882a593Smuzhiyun con = readl(&cru->clksel_con[30]);
1431*4882a593Smuzhiyun sel = (con & CLK_SDMMC1_SEL_MASK) >> CLK_SDMMC1_SEL_SHIFT;
1432*4882a593Smuzhiyun break;
1433*4882a593Smuzhiyun case CLK_SDMMC2:
1434*4882a593Smuzhiyun con = readl(&cru->clksel_con[32]);
1435*4882a593Smuzhiyun sel = (con & CLK_SDMMC2_SEL_MASK) >> CLK_SDMMC2_SEL_SHIFT;
1436*4882a593Smuzhiyun break;
1437*4882a593Smuzhiyun default:
1438*4882a593Smuzhiyun return -ENOENT;
1439*4882a593Smuzhiyun }
1440*4882a593Smuzhiyun
1441*4882a593Smuzhiyun switch (sel) {
1442*4882a593Smuzhiyun case CLK_SDMMC_SEL_24M:
1443*4882a593Smuzhiyun return OSC_HZ;
1444*4882a593Smuzhiyun case CLK_SDMMC_SEL_400M:
1445*4882a593Smuzhiyun return 400 * MHz;
1446*4882a593Smuzhiyun case CLK_SDMMC_SEL_300M:
1447*4882a593Smuzhiyun return 300 * MHz;
1448*4882a593Smuzhiyun case CLK_SDMMC_SEL_100M:
1449*4882a593Smuzhiyun return 100 * MHz;
1450*4882a593Smuzhiyun case CLK_SDMMC_SEL_50M:
1451*4882a593Smuzhiyun return 50 * MHz;
1452*4882a593Smuzhiyun case CLK_SDMMC_SEL_750K:
1453*4882a593Smuzhiyun return 750 * KHz;
1454*4882a593Smuzhiyun default:
1455*4882a593Smuzhiyun return -ENOENT;
1456*4882a593Smuzhiyun }
1457*4882a593Smuzhiyun }
1458*4882a593Smuzhiyun
rk3568_sdmmc_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1459*4882a593Smuzhiyun static ulong rk3568_sdmmc_set_clk(struct rk3568_clk_priv *priv,
1460*4882a593Smuzhiyun ulong clk_id, ulong rate)
1461*4882a593Smuzhiyun {
1462*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1463*4882a593Smuzhiyun int src_clk;
1464*4882a593Smuzhiyun
1465*4882a593Smuzhiyun switch (rate) {
1466*4882a593Smuzhiyun case OSC_HZ:
1467*4882a593Smuzhiyun case 26 * MHz:
1468*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_24M;
1469*4882a593Smuzhiyun break;
1470*4882a593Smuzhiyun case 400 * MHz:
1471*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_400M;
1472*4882a593Smuzhiyun break;
1473*4882a593Smuzhiyun case 300 * MHz:
1474*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_300M;
1475*4882a593Smuzhiyun break;
1476*4882a593Smuzhiyun case 100 * MHz:
1477*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_100M;
1478*4882a593Smuzhiyun break;
1479*4882a593Smuzhiyun case 52 * MHz:
1480*4882a593Smuzhiyun case 50 * MHz:
1481*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_50M;
1482*4882a593Smuzhiyun break;
1483*4882a593Smuzhiyun case 750 * KHz:
1484*4882a593Smuzhiyun case 400 * KHz:
1485*4882a593Smuzhiyun src_clk = CLK_SDMMC_SEL_750K;
1486*4882a593Smuzhiyun break;
1487*4882a593Smuzhiyun default:
1488*4882a593Smuzhiyun return -ENOENT;
1489*4882a593Smuzhiyun }
1490*4882a593Smuzhiyun
1491*4882a593Smuzhiyun switch (clk_id) {
1492*4882a593Smuzhiyun case HCLK_SDMMC0:
1493*4882a593Smuzhiyun case CLK_SDMMC0:
1494*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[30],
1495*4882a593Smuzhiyun CLK_SDMMC0_SEL_MASK,
1496*4882a593Smuzhiyun src_clk << CLK_SDMMC0_SEL_SHIFT);
1497*4882a593Smuzhiyun break;
1498*4882a593Smuzhiyun case CLK_SDMMC1:
1499*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[30],
1500*4882a593Smuzhiyun CLK_SDMMC1_SEL_MASK,
1501*4882a593Smuzhiyun src_clk << CLK_SDMMC1_SEL_SHIFT);
1502*4882a593Smuzhiyun break;
1503*4882a593Smuzhiyun case CLK_SDMMC2:
1504*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[32],
1505*4882a593Smuzhiyun CLK_SDMMC2_SEL_MASK,
1506*4882a593Smuzhiyun src_clk << CLK_SDMMC2_SEL_SHIFT);
1507*4882a593Smuzhiyun break;
1508*4882a593Smuzhiyun default:
1509*4882a593Smuzhiyun return -ENOENT;
1510*4882a593Smuzhiyun }
1511*4882a593Smuzhiyun
1512*4882a593Smuzhiyun return rk3568_sdmmc_get_clk(priv, clk_id);
1513*4882a593Smuzhiyun }
1514*4882a593Smuzhiyun
rk3568_sfc_get_clk(struct rk3568_clk_priv * priv)1515*4882a593Smuzhiyun static ulong rk3568_sfc_get_clk(struct rk3568_clk_priv *priv)
1516*4882a593Smuzhiyun {
1517*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1518*4882a593Smuzhiyun u32 sel, con;
1519*4882a593Smuzhiyun
1520*4882a593Smuzhiyun con = readl(&cru->clksel_con[28]);
1521*4882a593Smuzhiyun sel = (con & SCLK_SFC_SEL_MASK) >> SCLK_SFC_SEL_SHIFT;
1522*4882a593Smuzhiyun switch (sel) {
1523*4882a593Smuzhiyun case SCLK_SFC_SEL_24M:
1524*4882a593Smuzhiyun return OSC_HZ;
1525*4882a593Smuzhiyun case SCLK_SFC_SEL_50M:
1526*4882a593Smuzhiyun return 50 * MHz;
1527*4882a593Smuzhiyun case SCLK_SFC_SEL_75M:
1528*4882a593Smuzhiyun return 75 * MHz;
1529*4882a593Smuzhiyun case SCLK_SFC_SEL_100M:
1530*4882a593Smuzhiyun return 100 * MHz;
1531*4882a593Smuzhiyun case SCLK_SFC_SEL_125M:
1532*4882a593Smuzhiyun return 125 * MHz;
1533*4882a593Smuzhiyun case SCLK_SFC_SEL_150M:
1534*4882a593Smuzhiyun return 150 * MHz;
1535*4882a593Smuzhiyun default:
1536*4882a593Smuzhiyun return -ENOENT;
1537*4882a593Smuzhiyun }
1538*4882a593Smuzhiyun }
1539*4882a593Smuzhiyun
rk3568_sfc_set_clk(struct rk3568_clk_priv * priv,ulong rate)1540*4882a593Smuzhiyun static ulong rk3568_sfc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
1541*4882a593Smuzhiyun {
1542*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1543*4882a593Smuzhiyun int src_clk;
1544*4882a593Smuzhiyun
1545*4882a593Smuzhiyun switch (rate) {
1546*4882a593Smuzhiyun case OSC_HZ:
1547*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_24M;
1548*4882a593Smuzhiyun break;
1549*4882a593Smuzhiyun case 50 * MHz:
1550*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_50M;
1551*4882a593Smuzhiyun break;
1552*4882a593Smuzhiyun case 75 * MHz:
1553*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_75M;
1554*4882a593Smuzhiyun break;
1555*4882a593Smuzhiyun case 100 * MHz:
1556*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_100M;
1557*4882a593Smuzhiyun break;
1558*4882a593Smuzhiyun case 125 * MHz:
1559*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_125M;
1560*4882a593Smuzhiyun break;
1561*4882a593Smuzhiyun case 150 * MHz:
1562*4882a593Smuzhiyun src_clk = SCLK_SFC_SEL_150M;
1563*4882a593Smuzhiyun break;
1564*4882a593Smuzhiyun default:
1565*4882a593Smuzhiyun return -ENOENT;
1566*4882a593Smuzhiyun }
1567*4882a593Smuzhiyun
1568*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[28],
1569*4882a593Smuzhiyun SCLK_SFC_SEL_MASK,
1570*4882a593Smuzhiyun src_clk << SCLK_SFC_SEL_SHIFT);
1571*4882a593Smuzhiyun
1572*4882a593Smuzhiyun return rk3568_sfc_get_clk(priv);
1573*4882a593Smuzhiyun }
1574*4882a593Smuzhiyun
rk3568_nand_get_clk(struct rk3568_clk_priv * priv)1575*4882a593Smuzhiyun static ulong rk3568_nand_get_clk(struct rk3568_clk_priv *priv)
1576*4882a593Smuzhiyun {
1577*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1578*4882a593Smuzhiyun u32 sel, con;
1579*4882a593Smuzhiyun
1580*4882a593Smuzhiyun con = readl(&cru->clksel_con[28]);
1581*4882a593Smuzhiyun sel = (con & NCLK_NANDC_SEL_MASK) >> NCLK_NANDC_SEL_SHIFT;
1582*4882a593Smuzhiyun switch (sel) {
1583*4882a593Smuzhiyun case NCLK_NANDC_SEL_200M:
1584*4882a593Smuzhiyun return 200 * MHz;
1585*4882a593Smuzhiyun case NCLK_NANDC_SEL_150M:
1586*4882a593Smuzhiyun return 150 * MHz;
1587*4882a593Smuzhiyun case NCLK_NANDC_SEL_100M:
1588*4882a593Smuzhiyun return 100 * MHz;
1589*4882a593Smuzhiyun case NCLK_NANDC_SEL_24M:
1590*4882a593Smuzhiyun return OSC_HZ;
1591*4882a593Smuzhiyun default:
1592*4882a593Smuzhiyun return -ENOENT;
1593*4882a593Smuzhiyun }
1594*4882a593Smuzhiyun }
1595*4882a593Smuzhiyun
rk3568_nand_set_clk(struct rk3568_clk_priv * priv,ulong rate)1596*4882a593Smuzhiyun static ulong rk3568_nand_set_clk(struct rk3568_clk_priv *priv, ulong rate)
1597*4882a593Smuzhiyun {
1598*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1599*4882a593Smuzhiyun int src_clk;
1600*4882a593Smuzhiyun
1601*4882a593Smuzhiyun switch (rate) {
1602*4882a593Smuzhiyun case OSC_HZ:
1603*4882a593Smuzhiyun src_clk = NCLK_NANDC_SEL_24M;
1604*4882a593Smuzhiyun break;
1605*4882a593Smuzhiyun case 100 * MHz:
1606*4882a593Smuzhiyun src_clk = NCLK_NANDC_SEL_100M;
1607*4882a593Smuzhiyun break;
1608*4882a593Smuzhiyun case 150 * MHz:
1609*4882a593Smuzhiyun src_clk = NCLK_NANDC_SEL_150M;
1610*4882a593Smuzhiyun break;
1611*4882a593Smuzhiyun case 200 * MHz:
1612*4882a593Smuzhiyun src_clk = NCLK_NANDC_SEL_200M;
1613*4882a593Smuzhiyun break;
1614*4882a593Smuzhiyun default:
1615*4882a593Smuzhiyun return -ENOENT;
1616*4882a593Smuzhiyun }
1617*4882a593Smuzhiyun
1618*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[28],
1619*4882a593Smuzhiyun NCLK_NANDC_SEL_MASK,
1620*4882a593Smuzhiyun src_clk << NCLK_NANDC_SEL_SHIFT);
1621*4882a593Smuzhiyun
1622*4882a593Smuzhiyun return rk3568_nand_get_clk(priv);
1623*4882a593Smuzhiyun }
1624*4882a593Smuzhiyun
rk3568_emmc_get_clk(struct rk3568_clk_priv * priv)1625*4882a593Smuzhiyun static ulong rk3568_emmc_get_clk(struct rk3568_clk_priv *priv)
1626*4882a593Smuzhiyun {
1627*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1628*4882a593Smuzhiyun u32 sel, con;
1629*4882a593Smuzhiyun
1630*4882a593Smuzhiyun con = readl(&cru->clksel_con[28]);
1631*4882a593Smuzhiyun sel = (con & CCLK_EMMC_SEL_MASK) >> CCLK_EMMC_SEL_SHIFT;
1632*4882a593Smuzhiyun switch (sel) {
1633*4882a593Smuzhiyun case CCLK_EMMC_SEL_200M:
1634*4882a593Smuzhiyun return 200 * MHz;
1635*4882a593Smuzhiyun case CCLK_EMMC_SEL_150M:
1636*4882a593Smuzhiyun return 150 * MHz;
1637*4882a593Smuzhiyun case CCLK_EMMC_SEL_100M:
1638*4882a593Smuzhiyun return 100 * MHz;
1639*4882a593Smuzhiyun case CCLK_EMMC_SEL_50M:
1640*4882a593Smuzhiyun return 50 * MHz;
1641*4882a593Smuzhiyun case CCLK_EMMC_SEL_375K:
1642*4882a593Smuzhiyun return 375 * KHz;
1643*4882a593Smuzhiyun case CCLK_EMMC_SEL_24M:
1644*4882a593Smuzhiyun return OSC_HZ;
1645*4882a593Smuzhiyun default:
1646*4882a593Smuzhiyun return -ENOENT;
1647*4882a593Smuzhiyun }
1648*4882a593Smuzhiyun }
1649*4882a593Smuzhiyun
rk3568_emmc_set_clk(struct rk3568_clk_priv * priv,ulong rate)1650*4882a593Smuzhiyun static ulong rk3568_emmc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
1651*4882a593Smuzhiyun {
1652*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1653*4882a593Smuzhiyun int src_clk;
1654*4882a593Smuzhiyun
1655*4882a593Smuzhiyun switch (rate) {
1656*4882a593Smuzhiyun case OSC_HZ:
1657*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_24M;
1658*4882a593Smuzhiyun break;
1659*4882a593Smuzhiyun case 52 * MHz:
1660*4882a593Smuzhiyun case 50 * MHz:
1661*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_50M;
1662*4882a593Smuzhiyun break;
1663*4882a593Smuzhiyun case 100 * MHz:
1664*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_100M;
1665*4882a593Smuzhiyun break;
1666*4882a593Smuzhiyun case 150 * MHz:
1667*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_150M;
1668*4882a593Smuzhiyun break;
1669*4882a593Smuzhiyun case 200 * MHz:
1670*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_200M;
1671*4882a593Smuzhiyun break;
1672*4882a593Smuzhiyun case 400 * KHz:
1673*4882a593Smuzhiyun case 375 * KHz:
1674*4882a593Smuzhiyun src_clk = CCLK_EMMC_SEL_375K;
1675*4882a593Smuzhiyun break;
1676*4882a593Smuzhiyun default:
1677*4882a593Smuzhiyun return -ENOENT;
1678*4882a593Smuzhiyun }
1679*4882a593Smuzhiyun
1680*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[28],
1681*4882a593Smuzhiyun CCLK_EMMC_SEL_MASK,
1682*4882a593Smuzhiyun src_clk << CCLK_EMMC_SEL_SHIFT);
1683*4882a593Smuzhiyun
1684*4882a593Smuzhiyun return rk3568_emmc_get_clk(priv);
1685*4882a593Smuzhiyun }
1686*4882a593Smuzhiyun
rk3568_emmc_get_bclk(struct rk3568_clk_priv * priv)1687*4882a593Smuzhiyun static ulong rk3568_emmc_get_bclk(struct rk3568_clk_priv *priv)
1688*4882a593Smuzhiyun {
1689*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1690*4882a593Smuzhiyun u32 sel, con;
1691*4882a593Smuzhiyun
1692*4882a593Smuzhiyun con = readl(&cru->clksel_con[28]);
1693*4882a593Smuzhiyun sel = (con & BCLK_EMMC_SEL_MASK) >> BCLK_EMMC_SEL_SHIFT;
1694*4882a593Smuzhiyun switch (sel) {
1695*4882a593Smuzhiyun case BCLK_EMMC_SEL_200M:
1696*4882a593Smuzhiyun return 200 * MHz;
1697*4882a593Smuzhiyun case BCLK_EMMC_SEL_150M:
1698*4882a593Smuzhiyun return 150 * MHz;
1699*4882a593Smuzhiyun case BCLK_EMMC_SEL_125M:
1700*4882a593Smuzhiyun return 125 * MHz;
1701*4882a593Smuzhiyun default:
1702*4882a593Smuzhiyun return -ENOENT;
1703*4882a593Smuzhiyun }
1704*4882a593Smuzhiyun }
1705*4882a593Smuzhiyun
rk3568_emmc_set_bclk(struct rk3568_clk_priv * priv,ulong rate)1706*4882a593Smuzhiyun static ulong rk3568_emmc_set_bclk(struct rk3568_clk_priv *priv, ulong rate)
1707*4882a593Smuzhiyun {
1708*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1709*4882a593Smuzhiyun int src_clk;
1710*4882a593Smuzhiyun
1711*4882a593Smuzhiyun switch (rate) {
1712*4882a593Smuzhiyun case 200 * MHz:
1713*4882a593Smuzhiyun src_clk = BCLK_EMMC_SEL_200M;
1714*4882a593Smuzhiyun break;
1715*4882a593Smuzhiyun case 150 * MHz:
1716*4882a593Smuzhiyun src_clk = BCLK_EMMC_SEL_150M;
1717*4882a593Smuzhiyun break;
1718*4882a593Smuzhiyun case 125 * MHz:
1719*4882a593Smuzhiyun src_clk = BCLK_EMMC_SEL_125M;
1720*4882a593Smuzhiyun break;
1721*4882a593Smuzhiyun default:
1722*4882a593Smuzhiyun return -ENOENT;
1723*4882a593Smuzhiyun }
1724*4882a593Smuzhiyun
1725*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[28],
1726*4882a593Smuzhiyun BCLK_EMMC_SEL_MASK,
1727*4882a593Smuzhiyun src_clk << BCLK_EMMC_SEL_SHIFT);
1728*4882a593Smuzhiyun
1729*4882a593Smuzhiyun return rk3568_emmc_get_bclk(priv);
1730*4882a593Smuzhiyun }
1731*4882a593Smuzhiyun
1732*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
rk3568_aclk_vop_get_clk(struct rk3568_clk_priv * priv)1733*4882a593Smuzhiyun static ulong rk3568_aclk_vop_get_clk(struct rk3568_clk_priv *priv)
1734*4882a593Smuzhiyun {
1735*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1736*4882a593Smuzhiyun u32 div, sel, con, parent;
1737*4882a593Smuzhiyun
1738*4882a593Smuzhiyun con = readl(&cru->clksel_con[38]);
1739*4882a593Smuzhiyun div = (con & ACLK_VOP_PRE_DIV_MASK) >> ACLK_VOP_PRE_DIV_SHIFT;
1740*4882a593Smuzhiyun sel = (con & ACLK_VOP_PRE_SEL_MASK) >> ACLK_VOP_PRE_SEL_SHIFT;
1741*4882a593Smuzhiyun if (sel == ACLK_VOP_PRE_SEL_GPLL)
1742*4882a593Smuzhiyun parent = priv->gpll_hz;
1743*4882a593Smuzhiyun else if (sel == ACLK_VOP_PRE_SEL_CPLL)
1744*4882a593Smuzhiyun parent = priv->cpll_hz;
1745*4882a593Smuzhiyun else if (sel == ACLK_VOP_PRE_SEL_VPLL)
1746*4882a593Smuzhiyun parent = priv->vpll_hz;
1747*4882a593Smuzhiyun else
1748*4882a593Smuzhiyun parent = priv->hpll_hz;
1749*4882a593Smuzhiyun
1750*4882a593Smuzhiyun return DIV_TO_RATE(parent, div);
1751*4882a593Smuzhiyun }
1752*4882a593Smuzhiyun
rk3568_aclk_vop_set_clk(struct rk3568_clk_priv * priv,ulong rate)1753*4882a593Smuzhiyun static ulong rk3568_aclk_vop_set_clk(struct rk3568_clk_priv *priv, ulong rate)
1754*4882a593Smuzhiyun {
1755*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1756*4882a593Smuzhiyun int src_clk_div, src_clk_mux;
1757*4882a593Smuzhiyun
1758*4882a593Smuzhiyun if ((priv->cpll_hz % rate) == 0) {
1759*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
1760*4882a593Smuzhiyun src_clk_mux = ACLK_VOP_PRE_SEL_CPLL;
1761*4882a593Smuzhiyun } else {
1762*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->gpll_hz, rate);
1763*4882a593Smuzhiyun src_clk_mux = ACLK_VOP_PRE_SEL_GPLL;
1764*4882a593Smuzhiyun }
1765*4882a593Smuzhiyun assert(src_clk_div - 1 <= 31);
1766*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[38],
1767*4882a593Smuzhiyun ACLK_VOP_PRE_SEL_MASK | ACLK_VOP_PRE_DIV_MASK,
1768*4882a593Smuzhiyun src_clk_mux << ACLK_VOP_PRE_SEL_SHIFT |
1769*4882a593Smuzhiyun (src_clk_div - 1) << ACLK_VOP_PRE_DIV_SHIFT);
1770*4882a593Smuzhiyun
1771*4882a593Smuzhiyun return rk3568_aclk_vop_get_clk(priv);
1772*4882a593Smuzhiyun }
1773*4882a593Smuzhiyun
rk3568_dclk_vop_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)1774*4882a593Smuzhiyun static ulong rk3568_dclk_vop_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
1775*4882a593Smuzhiyun {
1776*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1777*4882a593Smuzhiyun u32 conid, div, sel, con, parent;
1778*4882a593Smuzhiyun
1779*4882a593Smuzhiyun switch (clk_id) {
1780*4882a593Smuzhiyun case DCLK_VOP0:
1781*4882a593Smuzhiyun conid = 39;
1782*4882a593Smuzhiyun break;
1783*4882a593Smuzhiyun case DCLK_VOP1:
1784*4882a593Smuzhiyun conid = 40;
1785*4882a593Smuzhiyun break;
1786*4882a593Smuzhiyun case DCLK_VOP2:
1787*4882a593Smuzhiyun conid = 41;
1788*4882a593Smuzhiyun break;
1789*4882a593Smuzhiyun default:
1790*4882a593Smuzhiyun return -ENOENT;
1791*4882a593Smuzhiyun }
1792*4882a593Smuzhiyun
1793*4882a593Smuzhiyun con = readl(&cru->clksel_con[conid]);
1794*4882a593Smuzhiyun div = (con & DCLK0_VOP_DIV_MASK) >> DCLK0_VOP_DIV_SHIFT;
1795*4882a593Smuzhiyun sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT;
1796*4882a593Smuzhiyun if (sel == DCLK_VOP_SEL_HPLL)
1797*4882a593Smuzhiyun parent = rk3568_pmu_pll_get_rate(priv, HPLL);
1798*4882a593Smuzhiyun else if (sel == DCLK_VOP_SEL_VPLL)
1799*4882a593Smuzhiyun parent = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL],
1800*4882a593Smuzhiyun priv->cru, VPLL);
1801*4882a593Smuzhiyun else if (sel == DCLK_VOP_SEL_GPLL)
1802*4882a593Smuzhiyun parent = priv->gpll_hz;
1803*4882a593Smuzhiyun else if (sel == DCLK_VOP_SEL_CPLL)
1804*4882a593Smuzhiyun parent = priv->cpll_hz;
1805*4882a593Smuzhiyun else
1806*4882a593Smuzhiyun return -ENOENT;
1807*4882a593Smuzhiyun
1808*4882a593Smuzhiyun return DIV_TO_RATE(parent, div);
1809*4882a593Smuzhiyun }
1810*4882a593Smuzhiyun
1811*4882a593Smuzhiyun #define RK3568_VOP_PLL_LIMIT_FREQ 600000000
1812*4882a593Smuzhiyun
rk3568_dclk_vop_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)1813*4882a593Smuzhiyun static ulong rk3568_dclk_vop_set_clk(struct rk3568_clk_priv *priv,
1814*4882a593Smuzhiyun ulong clk_id, ulong rate)
1815*4882a593Smuzhiyun {
1816*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1817*4882a593Smuzhiyun ulong pll_rate, now, best_rate = 0;
1818*4882a593Smuzhiyun u32 i, conid, con, sel, div, best_div = 0, best_sel = 0;
1819*4882a593Smuzhiyun
1820*4882a593Smuzhiyun switch (clk_id) {
1821*4882a593Smuzhiyun case DCLK_VOP0:
1822*4882a593Smuzhiyun conid = 39;
1823*4882a593Smuzhiyun break;
1824*4882a593Smuzhiyun case DCLK_VOP1:
1825*4882a593Smuzhiyun conid = 40;
1826*4882a593Smuzhiyun break;
1827*4882a593Smuzhiyun case DCLK_VOP2:
1828*4882a593Smuzhiyun conid = 41;
1829*4882a593Smuzhiyun break;
1830*4882a593Smuzhiyun default:
1831*4882a593Smuzhiyun return -ENOENT;
1832*4882a593Smuzhiyun }
1833*4882a593Smuzhiyun
1834*4882a593Smuzhiyun con = readl(&cru->clksel_con[conid]);
1835*4882a593Smuzhiyun sel = (con & DCLK0_VOP_SEL_MASK) >> DCLK0_VOP_SEL_SHIFT;
1836*4882a593Smuzhiyun
1837*4882a593Smuzhiyun if (sel == DCLK_VOP_SEL_HPLL) {
1838*4882a593Smuzhiyun div = 1;
1839*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[conid],
1840*4882a593Smuzhiyun DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
1841*4882a593Smuzhiyun (DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT) |
1842*4882a593Smuzhiyun ((div - 1) << DCLK0_VOP_DIV_SHIFT));
1843*4882a593Smuzhiyun rk3568_pmu_pll_set_rate(priv, HPLL, div * rate);
1844*4882a593Smuzhiyun } else if (sel == DCLK_VOP_SEL_VPLL) {
1845*4882a593Smuzhiyun div = DIV_ROUND_UP(RK3568_VOP_PLL_LIMIT_FREQ, rate);
1846*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[conid],
1847*4882a593Smuzhiyun DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
1848*4882a593Smuzhiyun (DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT) |
1849*4882a593Smuzhiyun ((div - 1) << DCLK0_VOP_DIV_SHIFT));
1850*4882a593Smuzhiyun rockchip_pll_set_rate(&rk3568_pll_clks[VPLL],
1851*4882a593Smuzhiyun priv->cru, VPLL, div * rate);
1852*4882a593Smuzhiyun } else {
1853*4882a593Smuzhiyun for (i = sel; i <= DCLK_VOP_SEL_CPLL; i++) {
1854*4882a593Smuzhiyun switch (i) {
1855*4882a593Smuzhiyun case DCLK_VOP_SEL_GPLL:
1856*4882a593Smuzhiyun pll_rate = priv->gpll_hz;
1857*4882a593Smuzhiyun break;
1858*4882a593Smuzhiyun case DCLK_VOP_SEL_CPLL:
1859*4882a593Smuzhiyun pll_rate = priv->cpll_hz;
1860*4882a593Smuzhiyun break;
1861*4882a593Smuzhiyun default:
1862*4882a593Smuzhiyun printf("do not support this vop pll sel\n");
1863*4882a593Smuzhiyun return -EINVAL;
1864*4882a593Smuzhiyun }
1865*4882a593Smuzhiyun
1866*4882a593Smuzhiyun div = DIV_ROUND_UP(pll_rate, rate);
1867*4882a593Smuzhiyun if (div > 255)
1868*4882a593Smuzhiyun continue;
1869*4882a593Smuzhiyun now = pll_rate / div;
1870*4882a593Smuzhiyun if (abs(rate - now) < abs(rate - best_rate)) {
1871*4882a593Smuzhiyun best_rate = now;
1872*4882a593Smuzhiyun best_div = div;
1873*4882a593Smuzhiyun best_sel = i;
1874*4882a593Smuzhiyun }
1875*4882a593Smuzhiyun debug("p_rate=%lu, best_rate=%lu, div=%u, sel=%u\n",
1876*4882a593Smuzhiyun pll_rate, best_rate, best_div, best_sel);
1877*4882a593Smuzhiyun }
1878*4882a593Smuzhiyun
1879*4882a593Smuzhiyun if (best_rate) {
1880*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[conid],
1881*4882a593Smuzhiyun DCLK0_VOP_DIV_MASK | DCLK0_VOP_SEL_MASK,
1882*4882a593Smuzhiyun best_sel << DCLK0_VOP_SEL_SHIFT |
1883*4882a593Smuzhiyun (best_div - 1) << DCLK0_VOP_DIV_SHIFT);
1884*4882a593Smuzhiyun } else {
1885*4882a593Smuzhiyun printf("do not support this vop freq %lu\n", rate);
1886*4882a593Smuzhiyun return -EINVAL;
1887*4882a593Smuzhiyun }
1888*4882a593Smuzhiyun }
1889*4882a593Smuzhiyun return rk3568_dclk_vop_get_clk(priv, clk_id);
1890*4882a593Smuzhiyun }
1891*4882a593Smuzhiyun
rk3568_gmac_src_get_clk(struct rk3568_clk_priv * priv,ulong mac_id)1892*4882a593Smuzhiyun static ulong rk3568_gmac_src_get_clk(struct rk3568_clk_priv *priv,
1893*4882a593Smuzhiyun ulong mac_id)
1894*4882a593Smuzhiyun {
1895*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1896*4882a593Smuzhiyun u32 sel, con;
1897*4882a593Smuzhiyun
1898*4882a593Smuzhiyun con = readl(&cru->clksel_con[31 + mac_id * 2]);
1899*4882a593Smuzhiyun sel = (con & CLK_MAC0_2TOP_SEL_MASK) >> CLK_MAC0_2TOP_SEL_SHIFT;
1900*4882a593Smuzhiyun
1901*4882a593Smuzhiyun switch (sel) {
1902*4882a593Smuzhiyun case CLK_MAC0_2TOP_SEL_125M:
1903*4882a593Smuzhiyun return 125 * MHz;
1904*4882a593Smuzhiyun case CLK_MAC0_2TOP_SEL_50M:
1905*4882a593Smuzhiyun return 50 * MHz;
1906*4882a593Smuzhiyun case CLK_MAC0_2TOP_SEL_25M:
1907*4882a593Smuzhiyun return 25 * MHz;
1908*4882a593Smuzhiyun case CLK_MAC0_2TOP_SEL_PPLL:
1909*4882a593Smuzhiyun return rk3568_pmu_pll_get_rate(priv, HPLL);
1910*4882a593Smuzhiyun default:
1911*4882a593Smuzhiyun return -ENOENT;
1912*4882a593Smuzhiyun }
1913*4882a593Smuzhiyun }
1914*4882a593Smuzhiyun
rk3568_gmac_src_set_clk(struct rk3568_clk_priv * priv,ulong mac_id,ulong rate)1915*4882a593Smuzhiyun static ulong rk3568_gmac_src_set_clk(struct rk3568_clk_priv *priv,
1916*4882a593Smuzhiyun ulong mac_id, ulong rate)
1917*4882a593Smuzhiyun {
1918*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1919*4882a593Smuzhiyun int src_clk;
1920*4882a593Smuzhiyun
1921*4882a593Smuzhiyun switch (rate) {
1922*4882a593Smuzhiyun case 125 * MHz:
1923*4882a593Smuzhiyun src_clk = CLK_MAC0_2TOP_SEL_125M;
1924*4882a593Smuzhiyun break;
1925*4882a593Smuzhiyun case 50 * MHz:
1926*4882a593Smuzhiyun src_clk = CLK_MAC0_2TOP_SEL_50M;
1927*4882a593Smuzhiyun break;
1928*4882a593Smuzhiyun case 25 * MHz:
1929*4882a593Smuzhiyun src_clk = CLK_MAC0_2TOP_SEL_25M;
1930*4882a593Smuzhiyun break;
1931*4882a593Smuzhiyun default:
1932*4882a593Smuzhiyun return -ENOENT;
1933*4882a593Smuzhiyun }
1934*4882a593Smuzhiyun
1935*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
1936*4882a593Smuzhiyun CLK_MAC0_2TOP_SEL_MASK,
1937*4882a593Smuzhiyun src_clk << CLK_MAC0_2TOP_SEL_SHIFT);
1938*4882a593Smuzhiyun
1939*4882a593Smuzhiyun return rk3568_gmac_src_get_clk(priv, mac_id);
1940*4882a593Smuzhiyun }
1941*4882a593Smuzhiyun
rk3568_gmac_out_get_clk(struct rk3568_clk_priv * priv,ulong mac_id)1942*4882a593Smuzhiyun static ulong rk3568_gmac_out_get_clk(struct rk3568_clk_priv *priv,
1943*4882a593Smuzhiyun ulong mac_id)
1944*4882a593Smuzhiyun {
1945*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1946*4882a593Smuzhiyun u32 sel, con;
1947*4882a593Smuzhiyun
1948*4882a593Smuzhiyun con = readl(&cru->clksel_con[31 + mac_id * 2]);
1949*4882a593Smuzhiyun sel = (con & CLK_MAC0_OUT_SEL_MASK) >> CLK_MAC0_OUT_SEL_SHIFT;
1950*4882a593Smuzhiyun
1951*4882a593Smuzhiyun switch (sel) {
1952*4882a593Smuzhiyun case CLK_MAC0_OUT_SEL_125M:
1953*4882a593Smuzhiyun return 125 * MHz;
1954*4882a593Smuzhiyun case CLK_MAC0_OUT_SEL_50M:
1955*4882a593Smuzhiyun return 50 * MHz;
1956*4882a593Smuzhiyun case CLK_MAC0_OUT_SEL_25M:
1957*4882a593Smuzhiyun return 25 * MHz;
1958*4882a593Smuzhiyun case CLK_MAC0_OUT_SEL_24M:
1959*4882a593Smuzhiyun return OSC_HZ;
1960*4882a593Smuzhiyun default:
1961*4882a593Smuzhiyun return -ENOENT;
1962*4882a593Smuzhiyun }
1963*4882a593Smuzhiyun }
1964*4882a593Smuzhiyun
rk3568_gmac_out_set_clk(struct rk3568_clk_priv * priv,ulong mac_id,ulong rate)1965*4882a593Smuzhiyun static ulong rk3568_gmac_out_set_clk(struct rk3568_clk_priv *priv,
1966*4882a593Smuzhiyun ulong mac_id, ulong rate)
1967*4882a593Smuzhiyun {
1968*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1969*4882a593Smuzhiyun int src_clk;
1970*4882a593Smuzhiyun
1971*4882a593Smuzhiyun switch (rate) {
1972*4882a593Smuzhiyun case 125 * MHz:
1973*4882a593Smuzhiyun src_clk = CLK_MAC0_OUT_SEL_125M;
1974*4882a593Smuzhiyun break;
1975*4882a593Smuzhiyun case 50 * MHz:
1976*4882a593Smuzhiyun src_clk = CLK_MAC0_OUT_SEL_50M;
1977*4882a593Smuzhiyun break;
1978*4882a593Smuzhiyun case 25 * MHz:
1979*4882a593Smuzhiyun src_clk = CLK_MAC0_OUT_SEL_25M;
1980*4882a593Smuzhiyun break;
1981*4882a593Smuzhiyun case 24 * MHz:
1982*4882a593Smuzhiyun src_clk = CLK_MAC0_OUT_SEL_24M;
1983*4882a593Smuzhiyun break;
1984*4882a593Smuzhiyun default:
1985*4882a593Smuzhiyun return -ENOENT;
1986*4882a593Smuzhiyun }
1987*4882a593Smuzhiyun
1988*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
1989*4882a593Smuzhiyun CLK_MAC0_OUT_SEL_MASK,
1990*4882a593Smuzhiyun src_clk << CLK_MAC0_OUT_SEL_SHIFT);
1991*4882a593Smuzhiyun
1992*4882a593Smuzhiyun return rk3568_gmac_out_get_clk(priv, mac_id);
1993*4882a593Smuzhiyun }
1994*4882a593Smuzhiyun
rk3568_gmac_ptp_ref_get_clk(struct rk3568_clk_priv * priv,ulong mac_id)1995*4882a593Smuzhiyun static ulong rk3568_gmac_ptp_ref_get_clk(struct rk3568_clk_priv *priv,
1996*4882a593Smuzhiyun ulong mac_id)
1997*4882a593Smuzhiyun {
1998*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
1999*4882a593Smuzhiyun u32 sel, con;
2000*4882a593Smuzhiyun
2001*4882a593Smuzhiyun con = readl(&cru->clksel_con[31 + mac_id * 2]);
2002*4882a593Smuzhiyun sel = (con & CLK_GMAC0_PTP_REF_SEL_MASK) >> CLK_GMAC0_PTP_REF_SEL_SHIFT;
2003*4882a593Smuzhiyun
2004*4882a593Smuzhiyun switch (sel) {
2005*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF_SEL_62_5M:
2006*4882a593Smuzhiyun return 62500 * KHz;
2007*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF_SEL_100M:
2008*4882a593Smuzhiyun return 100 * MHz;
2009*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF_SEL_50M:
2010*4882a593Smuzhiyun return 50 * MHz;
2011*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF_SEL_24M:
2012*4882a593Smuzhiyun return OSC_HZ;
2013*4882a593Smuzhiyun default:
2014*4882a593Smuzhiyun return -ENOENT;
2015*4882a593Smuzhiyun }
2016*4882a593Smuzhiyun }
2017*4882a593Smuzhiyun
rk3568_gmac_ptp_ref_set_clk(struct rk3568_clk_priv * priv,ulong mac_id,ulong rate)2018*4882a593Smuzhiyun static ulong rk3568_gmac_ptp_ref_set_clk(struct rk3568_clk_priv *priv,
2019*4882a593Smuzhiyun ulong mac_id, ulong rate)
2020*4882a593Smuzhiyun {
2021*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2022*4882a593Smuzhiyun int src_clk;
2023*4882a593Smuzhiyun
2024*4882a593Smuzhiyun switch (rate) {
2025*4882a593Smuzhiyun case 62500 * KHz:
2026*4882a593Smuzhiyun src_clk = CLK_GMAC0_PTP_REF_SEL_62_5M;
2027*4882a593Smuzhiyun break;
2028*4882a593Smuzhiyun case 100 * MHz:
2029*4882a593Smuzhiyun src_clk = CLK_GMAC0_PTP_REF_SEL_100M;
2030*4882a593Smuzhiyun break;
2031*4882a593Smuzhiyun case 50 * MHz:
2032*4882a593Smuzhiyun src_clk = CLK_GMAC0_PTP_REF_SEL_50M;
2033*4882a593Smuzhiyun break;
2034*4882a593Smuzhiyun case 24 * MHz:
2035*4882a593Smuzhiyun src_clk = CLK_GMAC0_PTP_REF_SEL_24M;
2036*4882a593Smuzhiyun break;
2037*4882a593Smuzhiyun default:
2038*4882a593Smuzhiyun return -ENOENT;
2039*4882a593Smuzhiyun }
2040*4882a593Smuzhiyun
2041*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
2042*4882a593Smuzhiyun CLK_GMAC0_PTP_REF_SEL_MASK,
2043*4882a593Smuzhiyun src_clk << CLK_GMAC0_PTP_REF_SEL_SHIFT);
2044*4882a593Smuzhiyun
2045*4882a593Smuzhiyun return rk3568_gmac_ptp_ref_get_clk(priv, mac_id);
2046*4882a593Smuzhiyun }
2047*4882a593Smuzhiyun
rk3568_gmac_tx_rx_set_clk(struct rk3568_clk_priv * priv,ulong mac_id,ulong rate)2048*4882a593Smuzhiyun static ulong rk3568_gmac_tx_rx_set_clk(struct rk3568_clk_priv *priv,
2049*4882a593Smuzhiyun ulong mac_id, ulong rate)
2050*4882a593Smuzhiyun {
2051*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2052*4882a593Smuzhiyun u32 con, sel, div_sel;
2053*4882a593Smuzhiyun
2054*4882a593Smuzhiyun con = readl(&cru->clksel_con[31 + mac_id * 2]);
2055*4882a593Smuzhiyun sel = (con & RMII0_MODE_MASK) >> RMII0_MODE_SHIFT;
2056*4882a593Smuzhiyun
2057*4882a593Smuzhiyun if (sel == RMII0_MODE_SEL_RGMII) {
2058*4882a593Smuzhiyun if (rate == 2500000)
2059*4882a593Smuzhiyun div_sel = RGMII0_CLK_SEL_2_5M;
2060*4882a593Smuzhiyun else if (rate == 25000000)
2061*4882a593Smuzhiyun div_sel = RGMII0_CLK_SEL_25M;
2062*4882a593Smuzhiyun else
2063*4882a593Smuzhiyun div_sel = RGMII0_CLK_SEL_125M;
2064*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
2065*4882a593Smuzhiyun RGMII0_CLK_SEL_MASK,
2066*4882a593Smuzhiyun div_sel << RGMII0_CLK_SEL_SHIFT);
2067*4882a593Smuzhiyun } else if (sel == RMII0_MODE_SEL_RMII) {
2068*4882a593Smuzhiyun if (rate == 2500000)
2069*4882a593Smuzhiyun div_sel = RMII0_CLK_SEL_2_5M;
2070*4882a593Smuzhiyun else
2071*4882a593Smuzhiyun div_sel = RMII0_CLK_SEL_25M;
2072*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31 + mac_id * 2],
2073*4882a593Smuzhiyun RMII0_CLK_SEL_MASK,
2074*4882a593Smuzhiyun div_sel << RMII0_CLK_SEL_SHIFT);
2075*4882a593Smuzhiyun }
2076*4882a593Smuzhiyun
2077*4882a593Smuzhiyun return 0;
2078*4882a593Smuzhiyun }
2079*4882a593Smuzhiyun
rk3568_ebc_get_clk(struct rk3568_clk_priv * priv)2080*4882a593Smuzhiyun static ulong rk3568_ebc_get_clk(struct rk3568_clk_priv *priv)
2081*4882a593Smuzhiyun {
2082*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2083*4882a593Smuzhiyun u32 con, div, p_rate;
2084*4882a593Smuzhiyun
2085*4882a593Smuzhiyun con = readl(&cru->clksel_con[79]);
2086*4882a593Smuzhiyun div = (con & CPLL_333M_DIV_MASK) >> CPLL_333M_DIV_SHIFT;
2087*4882a593Smuzhiyun p_rate = DIV_TO_RATE(priv->cpll_hz, div);
2088*4882a593Smuzhiyun
2089*4882a593Smuzhiyun con = readl(&cru->clksel_con[43]);
2090*4882a593Smuzhiyun div = (con & DCLK_EBC_SEL_MASK) >> DCLK_EBC_SEL_SHIFT;
2091*4882a593Smuzhiyun switch (div) {
2092*4882a593Smuzhiyun case DCLK_EBC_SEL_GPLL_400M:
2093*4882a593Smuzhiyun return 400 * MHz;
2094*4882a593Smuzhiyun case DCLK_EBC_SEL_CPLL_333M:
2095*4882a593Smuzhiyun return p_rate;
2096*4882a593Smuzhiyun case DCLK_EBC_SEL_GPLL_200M:
2097*4882a593Smuzhiyun return 200 * MHz;
2098*4882a593Smuzhiyun default:
2099*4882a593Smuzhiyun return -ENOENT;
2100*4882a593Smuzhiyun }
2101*4882a593Smuzhiyun }
2102*4882a593Smuzhiyun
rk3568_ebc_set_clk(struct rk3568_clk_priv * priv,ulong rate)2103*4882a593Smuzhiyun static ulong rk3568_ebc_set_clk(struct rk3568_clk_priv *priv, ulong rate)
2104*4882a593Smuzhiyun {
2105*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2106*4882a593Smuzhiyun int src_clk_div;
2107*4882a593Smuzhiyun
2108*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(priv->cpll_hz, rate);
2109*4882a593Smuzhiyun assert(src_clk_div - 1 <= 31);
2110*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[79],
2111*4882a593Smuzhiyun CPLL_333M_DIV_MASK,
2112*4882a593Smuzhiyun (src_clk_div - 1) << CPLL_333M_DIV_SHIFT);
2113*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[43],
2114*4882a593Smuzhiyun DCLK_EBC_SEL_MASK,
2115*4882a593Smuzhiyun DCLK_EBC_SEL_CPLL_333M << DCLK_EBC_SEL_SHIFT);
2116*4882a593Smuzhiyun
2117*4882a593Smuzhiyun return rk3568_ebc_get_clk(priv);
2118*4882a593Smuzhiyun }
2119*4882a593Smuzhiyun
rk3568_rkvdec_get_clk(struct rk3568_clk_priv * priv,ulong clk_id)2120*4882a593Smuzhiyun static ulong rk3568_rkvdec_get_clk(struct rk3568_clk_priv *priv, ulong clk_id)
2121*4882a593Smuzhiyun {
2122*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2123*4882a593Smuzhiyun u32 con, div, src, p_rate;
2124*4882a593Smuzhiyun
2125*4882a593Smuzhiyun switch (clk_id) {
2126*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
2127*4882a593Smuzhiyun case ACLK_RKVDEC:
2128*4882a593Smuzhiyun con = readl(&cru->clksel_con[47]);
2129*4882a593Smuzhiyun src = (con & ACLK_RKVDEC_SEL_MASK) >> ACLK_RKVDEC_SEL_SHIFT;
2130*4882a593Smuzhiyun div = (con & ACLK_RKVDEC_DIV_MASK) >> ACLK_RKVDEC_DIV_SHIFT;
2131*4882a593Smuzhiyun if (src == ACLK_RKVDEC_SEL_CPLL)
2132*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2133*4882a593Smuzhiyun else
2134*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2135*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div);
2136*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
2137*4882a593Smuzhiyun con = readl(&cru->clksel_con[49]);
2138*4882a593Smuzhiyun src = (con & CLK_RKVDEC_CORE_SEL_MASK)
2139*4882a593Smuzhiyun >> CLK_RKVDEC_CORE_SEL_SHIFT;
2140*4882a593Smuzhiyun div = (con & CLK_RKVDEC_CORE_DIV_MASK)
2141*4882a593Smuzhiyun >> CLK_RKVDEC_CORE_DIV_SHIFT;
2142*4882a593Smuzhiyun if (src == CLK_RKVDEC_CORE_SEL_CPLL)
2143*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2144*4882a593Smuzhiyun else if (src == CLK_RKVDEC_CORE_SEL_NPLL)
2145*4882a593Smuzhiyun p_rate = priv->npll_hz;
2146*4882a593Smuzhiyun else if (src == CLK_RKVDEC_CORE_SEL_VPLL)
2147*4882a593Smuzhiyun p_rate = priv->vpll_hz;
2148*4882a593Smuzhiyun else
2149*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2150*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div);
2151*4882a593Smuzhiyun default:
2152*4882a593Smuzhiyun return -ENOENT;
2153*4882a593Smuzhiyun }
2154*4882a593Smuzhiyun }
2155*4882a593Smuzhiyun
rk3568_rkvdec_set_clk(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)2156*4882a593Smuzhiyun static ulong rk3568_rkvdec_set_clk(struct rk3568_clk_priv *priv,
2157*4882a593Smuzhiyun ulong clk_id, ulong rate)
2158*4882a593Smuzhiyun {
2159*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2160*4882a593Smuzhiyun int src_clk_div, src, p_rate;
2161*4882a593Smuzhiyun
2162*4882a593Smuzhiyun switch (clk_id) {
2163*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
2164*4882a593Smuzhiyun case ACLK_RKVDEC:
2165*4882a593Smuzhiyun src = (readl(&cru->clksel_con[47]) & ACLK_RKVDEC_SEL_MASK)
2166*4882a593Smuzhiyun >> ACLK_RKVDEC_SEL_SHIFT;
2167*4882a593Smuzhiyun if (src == ACLK_RKVDEC_SEL_CPLL)
2168*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2169*4882a593Smuzhiyun else
2170*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2171*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(p_rate, rate);
2172*4882a593Smuzhiyun assert(src_clk_div - 1 <= 31);
2173*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[47],
2174*4882a593Smuzhiyun ACLK_RKVDEC_SEL_MASK |
2175*4882a593Smuzhiyun ACLK_RKVDEC_DIV_MASK,
2176*4882a593Smuzhiyun (src << ACLK_RKVDEC_SEL_SHIFT) |
2177*4882a593Smuzhiyun (src_clk_div - 1) << ACLK_RKVDEC_DIV_SHIFT);
2178*4882a593Smuzhiyun break;
2179*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
2180*4882a593Smuzhiyun src = (readl(&cru->clksel_con[49]) & CLK_RKVDEC_CORE_SEL_MASK)
2181*4882a593Smuzhiyun >> CLK_RKVDEC_CORE_SEL_SHIFT;
2182*4882a593Smuzhiyun if (src == CLK_RKVDEC_CORE_SEL_CPLL)
2183*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2184*4882a593Smuzhiyun else if (src == CLK_RKVDEC_CORE_SEL_NPLL)
2185*4882a593Smuzhiyun p_rate = priv->npll_hz;
2186*4882a593Smuzhiyun else if (src == CLK_RKVDEC_CORE_SEL_VPLL)
2187*4882a593Smuzhiyun p_rate = priv->vpll_hz;
2188*4882a593Smuzhiyun else
2189*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2190*4882a593Smuzhiyun src_clk_div = DIV_ROUND_UP(p_rate, rate);
2191*4882a593Smuzhiyun assert(src_clk_div - 1 <= 31);
2192*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[49],
2193*4882a593Smuzhiyun CLK_RKVDEC_CORE_SEL_MASK |
2194*4882a593Smuzhiyun CLK_RKVDEC_CORE_DIV_MASK,
2195*4882a593Smuzhiyun (src << CLK_RKVDEC_CORE_SEL_SHIFT) |
2196*4882a593Smuzhiyun (src_clk_div - 1) << CLK_RKVDEC_CORE_DIV_SHIFT);
2197*4882a593Smuzhiyun break;
2198*4882a593Smuzhiyun default:
2199*4882a593Smuzhiyun return -ENOENT;
2200*4882a593Smuzhiyun }
2201*4882a593Smuzhiyun
2202*4882a593Smuzhiyun return rk3568_rkvdec_get_clk(priv, clk_id);
2203*4882a593Smuzhiyun }
2204*4882a593Smuzhiyun
rk3568_uart_get_rate(struct rk3568_clk_priv * priv,ulong clk_id)2205*4882a593Smuzhiyun static ulong rk3568_uart_get_rate(struct rk3568_clk_priv *priv, ulong clk_id)
2206*4882a593Smuzhiyun {
2207*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2208*4882a593Smuzhiyun u32 reg, con, fracdiv, div, src, p_src, p_rate;
2209*4882a593Smuzhiyun unsigned long m, n;
2210*4882a593Smuzhiyun
2211*4882a593Smuzhiyun switch (clk_id) {
2212*4882a593Smuzhiyun case SCLK_UART1:
2213*4882a593Smuzhiyun reg = 52;
2214*4882a593Smuzhiyun break;
2215*4882a593Smuzhiyun case SCLK_UART2:
2216*4882a593Smuzhiyun reg = 54;
2217*4882a593Smuzhiyun break;
2218*4882a593Smuzhiyun case SCLK_UART3:
2219*4882a593Smuzhiyun reg = 56;
2220*4882a593Smuzhiyun break;
2221*4882a593Smuzhiyun case SCLK_UART4:
2222*4882a593Smuzhiyun reg = 58;
2223*4882a593Smuzhiyun break;
2224*4882a593Smuzhiyun case SCLK_UART5:
2225*4882a593Smuzhiyun reg = 60;
2226*4882a593Smuzhiyun break;
2227*4882a593Smuzhiyun case SCLK_UART6:
2228*4882a593Smuzhiyun reg = 62;
2229*4882a593Smuzhiyun break;
2230*4882a593Smuzhiyun case SCLK_UART7:
2231*4882a593Smuzhiyun reg = 64;
2232*4882a593Smuzhiyun break;
2233*4882a593Smuzhiyun case SCLK_UART8:
2234*4882a593Smuzhiyun reg = 66;
2235*4882a593Smuzhiyun break;
2236*4882a593Smuzhiyun case SCLK_UART9:
2237*4882a593Smuzhiyun reg = 68;
2238*4882a593Smuzhiyun break;
2239*4882a593Smuzhiyun default:
2240*4882a593Smuzhiyun return -ENOENT;
2241*4882a593Smuzhiyun }
2242*4882a593Smuzhiyun con = readl(&cru->clksel_con[reg]);
2243*4882a593Smuzhiyun src = (con & CLK_UART_SEL_MASK) >> CLK_UART_SEL_SHIFT;
2244*4882a593Smuzhiyun div = (con & CLK_UART_SRC_DIV_MASK) >> CLK_UART_SRC_DIV_SHIFT;
2245*4882a593Smuzhiyun p_src = (con & CLK_UART_SRC_SEL_MASK) >> CLK_UART_SRC_SEL_SHIFT;
2246*4882a593Smuzhiyun if (p_src == CLK_UART_SRC_SEL_GPLL)
2247*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2248*4882a593Smuzhiyun else if (p_src == CLK_UART_SRC_SEL_CPLL)
2249*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2250*4882a593Smuzhiyun else
2251*4882a593Smuzhiyun p_rate = 480000000;
2252*4882a593Smuzhiyun if (src == CLK_UART_SEL_SRC) {
2253*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div);
2254*4882a593Smuzhiyun } else if (src == CLK_UART_SEL_FRAC) {
2255*4882a593Smuzhiyun fracdiv = readl(&cru->clksel_con[reg + 1]);
2256*4882a593Smuzhiyun n = fracdiv & CLK_UART_FRAC_NUMERATOR_MASK;
2257*4882a593Smuzhiyun n >>= CLK_UART_FRAC_NUMERATOR_SHIFT;
2258*4882a593Smuzhiyun m = fracdiv & CLK_UART_FRAC_DENOMINATOR_MASK;
2259*4882a593Smuzhiyun m >>= CLK_UART_FRAC_DENOMINATOR_SHIFT;
2260*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div) * n / m;
2261*4882a593Smuzhiyun } else {
2262*4882a593Smuzhiyun return OSC_HZ;
2263*4882a593Smuzhiyun }
2264*4882a593Smuzhiyun }
2265*4882a593Smuzhiyun
rk3568_uart_set_rate(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)2266*4882a593Smuzhiyun static ulong rk3568_uart_set_rate(struct rk3568_clk_priv *priv,
2267*4882a593Smuzhiyun ulong clk_id, ulong rate)
2268*4882a593Smuzhiyun {
2269*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2270*4882a593Smuzhiyun u32 reg, clk_src, uart_src, div;
2271*4882a593Smuzhiyun unsigned long m = 0, n = 0, val;
2272*4882a593Smuzhiyun
2273*4882a593Smuzhiyun if (priv->gpll_hz % rate == 0) {
2274*4882a593Smuzhiyun clk_src = CLK_UART_SRC_SEL_GPLL;
2275*4882a593Smuzhiyun uart_src = CLK_UART_SEL_SRC;
2276*4882a593Smuzhiyun div = DIV_ROUND_UP(priv->gpll_hz, rate);
2277*4882a593Smuzhiyun } else if (priv->cpll_hz % rate == 0) {
2278*4882a593Smuzhiyun clk_src = CLK_UART_SRC_SEL_CPLL;
2279*4882a593Smuzhiyun uart_src = CLK_UART_SEL_SRC;
2280*4882a593Smuzhiyun div = DIV_ROUND_UP(priv->gpll_hz, rate);
2281*4882a593Smuzhiyun } else if (rate == OSC_HZ) {
2282*4882a593Smuzhiyun clk_src = CLK_UART_SRC_SEL_GPLL;
2283*4882a593Smuzhiyun uart_src = CLK_UART_SEL_XIN24M;
2284*4882a593Smuzhiyun div = 2;
2285*4882a593Smuzhiyun } else {
2286*4882a593Smuzhiyun clk_src = CLK_UART_SRC_SEL_GPLL;
2287*4882a593Smuzhiyun uart_src = CLK_UART_SEL_FRAC;
2288*4882a593Smuzhiyun div = 2;
2289*4882a593Smuzhiyun rational_best_approximation(rate, priv->gpll_hz / div,
2290*4882a593Smuzhiyun GENMASK(16 - 1, 0),
2291*4882a593Smuzhiyun GENMASK(16 - 1, 0),
2292*4882a593Smuzhiyun &m, &n);
2293*4882a593Smuzhiyun }
2294*4882a593Smuzhiyun
2295*4882a593Smuzhiyun switch (clk_id) {
2296*4882a593Smuzhiyun case SCLK_UART1:
2297*4882a593Smuzhiyun reg = 52;
2298*4882a593Smuzhiyun break;
2299*4882a593Smuzhiyun case SCLK_UART2:
2300*4882a593Smuzhiyun reg = 54;
2301*4882a593Smuzhiyun break;
2302*4882a593Smuzhiyun case SCLK_UART3:
2303*4882a593Smuzhiyun reg = 56;
2304*4882a593Smuzhiyun break;
2305*4882a593Smuzhiyun case SCLK_UART4:
2306*4882a593Smuzhiyun reg = 58;
2307*4882a593Smuzhiyun break;
2308*4882a593Smuzhiyun case SCLK_UART5:
2309*4882a593Smuzhiyun reg = 60;
2310*4882a593Smuzhiyun break;
2311*4882a593Smuzhiyun case SCLK_UART6:
2312*4882a593Smuzhiyun reg = 62;
2313*4882a593Smuzhiyun break;
2314*4882a593Smuzhiyun case SCLK_UART7:
2315*4882a593Smuzhiyun reg = 64;
2316*4882a593Smuzhiyun break;
2317*4882a593Smuzhiyun case SCLK_UART8:
2318*4882a593Smuzhiyun reg = 66;
2319*4882a593Smuzhiyun break;
2320*4882a593Smuzhiyun case SCLK_UART9:
2321*4882a593Smuzhiyun reg = 68;
2322*4882a593Smuzhiyun break;
2323*4882a593Smuzhiyun default:
2324*4882a593Smuzhiyun return -ENOENT;
2325*4882a593Smuzhiyun }
2326*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[reg],
2327*4882a593Smuzhiyun CLK_UART_SEL_MASK | CLK_UART_SRC_SEL_MASK |
2328*4882a593Smuzhiyun CLK_UART_SRC_DIV_MASK,
2329*4882a593Smuzhiyun (clk_src << CLK_UART_SRC_SEL_SHIFT) |
2330*4882a593Smuzhiyun (uart_src << CLK_UART_SEL_SHIFT) |
2331*4882a593Smuzhiyun ((div - 1) << CLK_UART_SRC_DIV_SHIFT));
2332*4882a593Smuzhiyun if (m && n) {
2333*4882a593Smuzhiyun val = m << CLK_UART_FRAC_NUMERATOR_SHIFT | n;
2334*4882a593Smuzhiyun writel(val, &cru->clksel_con[reg + 1]);
2335*4882a593Smuzhiyun }
2336*4882a593Smuzhiyun
2337*4882a593Smuzhiyun return rk3568_uart_get_rate(priv, clk_id);
2338*4882a593Smuzhiyun }
2339*4882a593Smuzhiyun
rk3568_i2s3_get_rate(struct rk3568_clk_priv * priv,ulong clk_id)2340*4882a593Smuzhiyun static ulong rk3568_i2s3_get_rate(struct rk3568_clk_priv *priv, ulong clk_id)
2341*4882a593Smuzhiyun {
2342*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2343*4882a593Smuzhiyun struct rk3568_grf *grf = priv->grf;
2344*4882a593Smuzhiyun u32 con, div, src, p_rate;
2345*4882a593Smuzhiyun u32 reg, fracdiv, p_src;
2346*4882a593Smuzhiyun unsigned long m, n;
2347*4882a593Smuzhiyun
2348*4882a593Smuzhiyun switch (clk_id) {
2349*4882a593Smuzhiyun case I2S3_MCLKOUT_TX:
2350*4882a593Smuzhiyun con = readl(&cru->clksel_con[21]);
2351*4882a593Smuzhiyun src = (con & I2S3_MCLKOUT_TX_SEL_MASK) >>
2352*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT;
2353*4882a593Smuzhiyun if (src == I2S3_MCLKOUT_TX_SEL_12M)
2354*4882a593Smuzhiyun p_rate = 12000000;
2355*4882a593Smuzhiyun else
2356*4882a593Smuzhiyun p_rate = rk3568_i2s3_get_rate(priv, MCLK_I2S3_2CH_TX);
2357*4882a593Smuzhiyun return p_rate;
2358*4882a593Smuzhiyun case I2S3_MCLKOUT_RX:
2359*4882a593Smuzhiyun con = readl(&cru->clksel_con[83]);
2360*4882a593Smuzhiyun src = (con & I2S3_MCLKOUT_TX_SEL_MASK) >>
2361*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT;
2362*4882a593Smuzhiyun if (src == I2S3_MCLKOUT_TX_SEL_12M)
2363*4882a593Smuzhiyun p_rate = 12000000;
2364*4882a593Smuzhiyun else
2365*4882a593Smuzhiyun p_rate = rk3568_i2s3_get_rate(priv, MCLK_I2S3_2CH_RX);
2366*4882a593Smuzhiyun return p_rate;
2367*4882a593Smuzhiyun case I2S3_MCLKOUT:
2368*4882a593Smuzhiyun con = readl(&grf->soc_con2);
2369*4882a593Smuzhiyun src = (con & I2S3_MCLKOUT_SEL_MASK)
2370*4882a593Smuzhiyun >> I2S3_MCLKOUT_SEL_SHIFT;
2371*4882a593Smuzhiyun if (src == I2S3_MCLKOUT_SEL_RX)
2372*4882a593Smuzhiyun p_rate = rk3568_i2s3_get_rate(priv, I2S3_MCLKOUT_RX);
2373*4882a593Smuzhiyun else
2374*4882a593Smuzhiyun p_rate = rk3568_i2s3_get_rate(priv, I2S3_MCLKOUT_TX);
2375*4882a593Smuzhiyun return p_rate;
2376*4882a593Smuzhiyun case MCLK_I2S3_2CH_RX:
2377*4882a593Smuzhiyun reg = 83;
2378*4882a593Smuzhiyun break;
2379*4882a593Smuzhiyun case MCLK_I2S3_2CH_TX:
2380*4882a593Smuzhiyun reg = 21;
2381*4882a593Smuzhiyun break;
2382*4882a593Smuzhiyun default:
2383*4882a593Smuzhiyun return -ENOENT;
2384*4882a593Smuzhiyun }
2385*4882a593Smuzhiyun
2386*4882a593Smuzhiyun con = readl(&cru->clksel_con[reg]);
2387*4882a593Smuzhiyun src = (con & CLK_I2S3_SEL_MASK) >> CLK_I2S3_SEL_SHIFT;
2388*4882a593Smuzhiyun div = (con & CLK_I2S3_SRC_DIV_MASK) >> CLK_I2S3_SRC_DIV_SHIFT;
2389*4882a593Smuzhiyun p_src = (con & CLK_I2S3_SRC_SEL_MASK) >> CLK_I2S3_SRC_SEL_SHIFT;
2390*4882a593Smuzhiyun if (p_src == CLK_I2S3_SRC_SEL_GPLL)
2391*4882a593Smuzhiyun p_rate = priv->gpll_hz;
2392*4882a593Smuzhiyun else if (p_src == CLK_I2S3_SRC_SEL_CPLL)
2393*4882a593Smuzhiyun p_rate = priv->cpll_hz;
2394*4882a593Smuzhiyun else
2395*4882a593Smuzhiyun p_rate = priv->npll_hz;
2396*4882a593Smuzhiyun if (src == CLK_I2S3_SEL_SRC) {
2397*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div);
2398*4882a593Smuzhiyun } else if (src == CLK_I2S3_SEL_FRAC) {
2399*4882a593Smuzhiyun fracdiv = readl(&cru->clksel_con[reg + 1]);
2400*4882a593Smuzhiyun n = fracdiv & CLK_I2S3_FRAC_NUMERATOR_MASK;
2401*4882a593Smuzhiyun n >>= CLK_I2S3_FRAC_NUMERATOR_SHIFT;
2402*4882a593Smuzhiyun m = fracdiv & CLK_I2S3_FRAC_DENOMINATOR_MASK;
2403*4882a593Smuzhiyun m >>= CLK_I2S3_FRAC_DENOMINATOR_SHIFT;
2404*4882a593Smuzhiyun return DIV_TO_RATE(p_rate, div) * n / m;
2405*4882a593Smuzhiyun } else {
2406*4882a593Smuzhiyun return OSC_HZ / 2;
2407*4882a593Smuzhiyun }
2408*4882a593Smuzhiyun }
2409*4882a593Smuzhiyun
rk3568_i2s3_set_rate(struct rk3568_clk_priv * priv,ulong clk_id,ulong rate)2410*4882a593Smuzhiyun static ulong rk3568_i2s3_set_rate(struct rk3568_clk_priv *priv,
2411*4882a593Smuzhiyun ulong clk_id, ulong rate)
2412*4882a593Smuzhiyun {
2413*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2414*4882a593Smuzhiyun struct rk3568_grf *grf = priv->grf;
2415*4882a593Smuzhiyun u32 reg, con, clk_src, i2s_src, div;
2416*4882a593Smuzhiyun unsigned long m = 0, n = 0, val;
2417*4882a593Smuzhiyun
2418*4882a593Smuzhiyun if (priv->gpll_hz % rate == 0) {
2419*4882a593Smuzhiyun clk_src = CLK_I2S3_SRC_SEL_GPLL;
2420*4882a593Smuzhiyun i2s_src = CLK_I2S3_SEL_SRC;
2421*4882a593Smuzhiyun div = DIV_ROUND_UP(priv->gpll_hz, rate);
2422*4882a593Smuzhiyun } else if (priv->cpll_hz % rate == 0) {
2423*4882a593Smuzhiyun clk_src = CLK_I2S3_SRC_SEL_CPLL;
2424*4882a593Smuzhiyun i2s_src = CLK_I2S3_SEL_SRC;
2425*4882a593Smuzhiyun div = DIV_ROUND_UP(priv->gpll_hz, rate);
2426*4882a593Smuzhiyun } else if (rate == OSC_HZ / 2) {
2427*4882a593Smuzhiyun clk_src = CLK_I2S3_SRC_SEL_GPLL;
2428*4882a593Smuzhiyun i2s_src = CLK_I2S3_SEL_XIN12M;
2429*4882a593Smuzhiyun div = 1;
2430*4882a593Smuzhiyun } else {
2431*4882a593Smuzhiyun clk_src = CLK_I2S3_SRC_SEL_GPLL;
2432*4882a593Smuzhiyun i2s_src = CLK_I2S3_SEL_FRAC;
2433*4882a593Smuzhiyun div = 1;
2434*4882a593Smuzhiyun rational_best_approximation(rate, priv->gpll_hz / div,
2435*4882a593Smuzhiyun GENMASK(16 - 1, 0),
2436*4882a593Smuzhiyun GENMASK(16 - 1, 0),
2437*4882a593Smuzhiyun &m, &n);
2438*4882a593Smuzhiyun }
2439*4882a593Smuzhiyun
2440*4882a593Smuzhiyun switch (clk_id) {
2441*4882a593Smuzhiyun case I2S3_MCLKOUT_TX:
2442*4882a593Smuzhiyun if (rate == 12000000) {
2443*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[21],
2444*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MASK,
2445*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_12M <<
2446*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT);
2447*4882a593Smuzhiyun } else {
2448*4882a593Smuzhiyun rk3568_i2s3_set_rate(priv, MCLK_I2S3_2CH_TX, rate),
2449*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[21],
2450*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MASK,
2451*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MCLK <<
2452*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT);
2453*4882a593Smuzhiyun }
2454*4882a593Smuzhiyun return rk3568_i2s3_get_rate(priv, clk_id);
2455*4882a593Smuzhiyun case I2S3_MCLKOUT_RX:
2456*4882a593Smuzhiyun if (rate == 12000000) {
2457*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[83],
2458*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MASK,
2459*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_12M <<
2460*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT);
2461*4882a593Smuzhiyun } else {
2462*4882a593Smuzhiyun rk3568_i2s3_set_rate(priv, MCLK_I2S3_2CH_RX, rate),
2463*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[21],
2464*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MASK,
2465*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_MCLK <<
2466*4882a593Smuzhiyun I2S3_MCLKOUT_TX_SEL_SHIFT);
2467*4882a593Smuzhiyun }
2468*4882a593Smuzhiyun return rk3568_i2s3_get_rate(priv, clk_id);
2469*4882a593Smuzhiyun case I2S3_MCLKOUT:
2470*4882a593Smuzhiyun con = readl(&grf->soc_con2);
2471*4882a593Smuzhiyun clk_src = (con & I2S3_MCLKOUT_SEL_MASK)
2472*4882a593Smuzhiyun >> I2S3_MCLKOUT_SEL_SHIFT;
2473*4882a593Smuzhiyun if (clk_src == I2S3_MCLKOUT_SEL_RX)
2474*4882a593Smuzhiyun rk3568_i2s3_set_rate(priv, I2S3_MCLKOUT_RX, rate);
2475*4882a593Smuzhiyun else
2476*4882a593Smuzhiyun rk3568_i2s3_set_rate(priv, I2S3_MCLKOUT_TX, rate);
2477*4882a593Smuzhiyun return rk3568_i2s3_get_rate(priv, clk_id);
2478*4882a593Smuzhiyun case MCLK_I2S3_2CH_RX:
2479*4882a593Smuzhiyun reg = 83;
2480*4882a593Smuzhiyun break;
2481*4882a593Smuzhiyun case MCLK_I2S3_2CH_TX:
2482*4882a593Smuzhiyun reg = 21;
2483*4882a593Smuzhiyun break;
2484*4882a593Smuzhiyun default:
2485*4882a593Smuzhiyun return -ENOENT;
2486*4882a593Smuzhiyun }
2487*4882a593Smuzhiyun
2488*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[reg],
2489*4882a593Smuzhiyun CLK_I2S3_SEL_MASK | CLK_I2S3_SRC_SEL_MASK |
2490*4882a593Smuzhiyun CLK_I2S3_SRC_DIV_MASK,
2491*4882a593Smuzhiyun (clk_src << CLK_I2S3_SRC_SEL_SHIFT) |
2492*4882a593Smuzhiyun (i2s_src << CLK_I2S3_SEL_SHIFT) |
2493*4882a593Smuzhiyun ((div - 1) << CLK_I2S3_SRC_DIV_SHIFT));
2494*4882a593Smuzhiyun if (m && n) {
2495*4882a593Smuzhiyun val = m << CLK_I2S3_FRAC_NUMERATOR_SHIFT | n;
2496*4882a593Smuzhiyun writel(val, &cru->clksel_con[reg + 1]);
2497*4882a593Smuzhiyun }
2498*4882a593Smuzhiyun return rk3568_i2s3_get_rate(priv, clk_id);
2499*4882a593Smuzhiyun }
2500*4882a593Smuzhiyun
2501*4882a593Smuzhiyun #endif
2502*4882a593Smuzhiyun
rk3568_clk_get_rate(struct clk * clk)2503*4882a593Smuzhiyun static ulong rk3568_clk_get_rate(struct clk *clk)
2504*4882a593Smuzhiyun {
2505*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
2506*4882a593Smuzhiyun ulong rate = 0;
2507*4882a593Smuzhiyun
2508*4882a593Smuzhiyun if (!priv->gpll_hz) {
2509*4882a593Smuzhiyun printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
2510*4882a593Smuzhiyun return -ENOENT;
2511*4882a593Smuzhiyun }
2512*4882a593Smuzhiyun
2513*4882a593Smuzhiyun switch (clk->id) {
2514*4882a593Smuzhiyun case PLL_APLL:
2515*4882a593Smuzhiyun case ARMCLK:
2516*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[APLL], priv->cru,
2517*4882a593Smuzhiyun APLL);
2518*4882a593Smuzhiyun break;
2519*4882a593Smuzhiyun case PLL_CPLL:
2520*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL], priv->cru,
2521*4882a593Smuzhiyun CPLL);
2522*4882a593Smuzhiyun break;
2523*4882a593Smuzhiyun case PLL_GPLL:
2524*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL], priv->cru,
2525*4882a593Smuzhiyun GPLL);
2526*4882a593Smuzhiyun break;
2527*4882a593Smuzhiyun case PLL_NPLL:
2528*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[NPLL], priv->cru,
2529*4882a593Smuzhiyun NPLL);
2530*4882a593Smuzhiyun break;
2531*4882a593Smuzhiyun case PLL_VPLL:
2532*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL], priv->cru,
2533*4882a593Smuzhiyun VPLL);
2534*4882a593Smuzhiyun break;
2535*4882a593Smuzhiyun case PLL_DPLL:
2536*4882a593Smuzhiyun rate = rockchip_pll_get_rate(&rk3568_pll_clks[DPLL], priv->cru,
2537*4882a593Smuzhiyun DPLL);
2538*4882a593Smuzhiyun break;
2539*4882a593Smuzhiyun case ACLK_BUS:
2540*4882a593Smuzhiyun case PCLK_BUS:
2541*4882a593Smuzhiyun case PCLK_WDT_NS:
2542*4882a593Smuzhiyun rate = rk3568_bus_get_clk(priv, clk->id);
2543*4882a593Smuzhiyun break;
2544*4882a593Smuzhiyun case ACLK_PERIMID:
2545*4882a593Smuzhiyun case HCLK_PERIMID:
2546*4882a593Smuzhiyun rate = rk3568_perimid_get_clk(priv, clk->id);
2547*4882a593Smuzhiyun break;
2548*4882a593Smuzhiyun case ACLK_TOP_HIGH:
2549*4882a593Smuzhiyun case ACLK_TOP_LOW:
2550*4882a593Smuzhiyun case HCLK_TOP:
2551*4882a593Smuzhiyun case PCLK_TOP:
2552*4882a593Smuzhiyun rate = rk3568_top_get_clk(priv, clk->id);
2553*4882a593Smuzhiyun break;
2554*4882a593Smuzhiyun case CLK_I2C1:
2555*4882a593Smuzhiyun case CLK_I2C2:
2556*4882a593Smuzhiyun case CLK_I2C3:
2557*4882a593Smuzhiyun case CLK_I2C4:
2558*4882a593Smuzhiyun case CLK_I2C5:
2559*4882a593Smuzhiyun rate = rk3568_i2c_get_clk(priv, clk->id);
2560*4882a593Smuzhiyun break;
2561*4882a593Smuzhiyun case CLK_SPI0:
2562*4882a593Smuzhiyun case CLK_SPI1:
2563*4882a593Smuzhiyun case CLK_SPI2:
2564*4882a593Smuzhiyun case CLK_SPI3:
2565*4882a593Smuzhiyun rate = rk3568_spi_get_clk(priv, clk->id);
2566*4882a593Smuzhiyun break;
2567*4882a593Smuzhiyun case CLK_PWM1:
2568*4882a593Smuzhiyun case CLK_PWM2:
2569*4882a593Smuzhiyun case CLK_PWM3:
2570*4882a593Smuzhiyun rate = rk3568_pwm_get_clk(priv, clk->id);
2571*4882a593Smuzhiyun break;
2572*4882a593Smuzhiyun case CLK_SARADC:
2573*4882a593Smuzhiyun case CLK_TSADC_TSEN:
2574*4882a593Smuzhiyun case CLK_TSADC:
2575*4882a593Smuzhiyun rate = rk3568_adc_get_clk(priv, clk->id);
2576*4882a593Smuzhiyun break;
2577*4882a593Smuzhiyun case HCLK_SDMMC0:
2578*4882a593Smuzhiyun case CLK_SDMMC0:
2579*4882a593Smuzhiyun case CLK_SDMMC1:
2580*4882a593Smuzhiyun case CLK_SDMMC2:
2581*4882a593Smuzhiyun rate = rk3568_sdmmc_get_clk(priv, clk->id);
2582*4882a593Smuzhiyun break;
2583*4882a593Smuzhiyun case SCLK_SFC:
2584*4882a593Smuzhiyun rate = rk3568_sfc_get_clk(priv);
2585*4882a593Smuzhiyun break;
2586*4882a593Smuzhiyun case NCLK_NANDC:
2587*4882a593Smuzhiyun rate = rk3568_nand_get_clk(priv);
2588*4882a593Smuzhiyun break;
2589*4882a593Smuzhiyun case CCLK_EMMC:
2590*4882a593Smuzhiyun rate = rk3568_emmc_get_clk(priv);
2591*4882a593Smuzhiyun break;
2592*4882a593Smuzhiyun case BCLK_EMMC:
2593*4882a593Smuzhiyun rate = rk3568_emmc_get_bclk(priv);
2594*4882a593Smuzhiyun break;
2595*4882a593Smuzhiyun case TCLK_EMMC:
2596*4882a593Smuzhiyun rate = OSC_HZ;
2597*4882a593Smuzhiyun break;
2598*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
2599*4882a593Smuzhiyun case ACLK_VOP:
2600*4882a593Smuzhiyun rate = rk3568_aclk_vop_get_clk(priv);
2601*4882a593Smuzhiyun break;
2602*4882a593Smuzhiyun case DCLK_VOP0:
2603*4882a593Smuzhiyun case DCLK_VOP1:
2604*4882a593Smuzhiyun case DCLK_VOP2:
2605*4882a593Smuzhiyun rate = rk3568_dclk_vop_get_clk(priv, clk->id);
2606*4882a593Smuzhiyun break;
2607*4882a593Smuzhiyun case SCLK_GMAC0:
2608*4882a593Smuzhiyun case CLK_MAC0_2TOP:
2609*4882a593Smuzhiyun case CLK_MAC0_REFOUT:
2610*4882a593Smuzhiyun rate = rk3568_gmac_src_get_clk(priv, 0);
2611*4882a593Smuzhiyun break;
2612*4882a593Smuzhiyun case CLK_MAC0_OUT:
2613*4882a593Smuzhiyun rate = rk3568_gmac_out_get_clk(priv, 0);
2614*4882a593Smuzhiyun break;
2615*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF:
2616*4882a593Smuzhiyun rate = rk3568_gmac_ptp_ref_get_clk(priv, 0);
2617*4882a593Smuzhiyun break;
2618*4882a593Smuzhiyun case SCLK_GMAC1:
2619*4882a593Smuzhiyun case CLK_MAC1_2TOP:
2620*4882a593Smuzhiyun case CLK_MAC1_REFOUT:
2621*4882a593Smuzhiyun rate = rk3568_gmac_src_get_clk(priv, 1);
2622*4882a593Smuzhiyun break;
2623*4882a593Smuzhiyun case CLK_MAC1_OUT:
2624*4882a593Smuzhiyun rate = rk3568_gmac_out_get_clk(priv, 1);
2625*4882a593Smuzhiyun break;
2626*4882a593Smuzhiyun case CLK_GMAC1_PTP_REF:
2627*4882a593Smuzhiyun rate = rk3568_gmac_ptp_ref_get_clk(priv, 1);
2628*4882a593Smuzhiyun break;
2629*4882a593Smuzhiyun case DCLK_EBC:
2630*4882a593Smuzhiyun rate = rk3568_ebc_get_clk(priv);
2631*4882a593Smuzhiyun break;
2632*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
2633*4882a593Smuzhiyun case ACLK_RKVDEC:
2634*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
2635*4882a593Smuzhiyun rate = rk3568_rkvdec_get_clk(priv, clk->id);
2636*4882a593Smuzhiyun break;
2637*4882a593Smuzhiyun case TCLK_WDT_NS:
2638*4882a593Smuzhiyun rate = OSC_HZ;
2639*4882a593Smuzhiyun break;
2640*4882a593Smuzhiyun case SCLK_UART1:
2641*4882a593Smuzhiyun case SCLK_UART2:
2642*4882a593Smuzhiyun case SCLK_UART3:
2643*4882a593Smuzhiyun case SCLK_UART4:
2644*4882a593Smuzhiyun case SCLK_UART5:
2645*4882a593Smuzhiyun case SCLK_UART6:
2646*4882a593Smuzhiyun case SCLK_UART7:
2647*4882a593Smuzhiyun case SCLK_UART8:
2648*4882a593Smuzhiyun case SCLK_UART9:
2649*4882a593Smuzhiyun rate = rk3568_uart_get_rate(priv, clk->id);
2650*4882a593Smuzhiyun break;
2651*4882a593Smuzhiyun case I2S3_MCLKOUT_RX:
2652*4882a593Smuzhiyun case I2S3_MCLKOUT_TX:
2653*4882a593Smuzhiyun case MCLK_I2S3_2CH_RX:
2654*4882a593Smuzhiyun case MCLK_I2S3_2CH_TX:
2655*4882a593Smuzhiyun case I2S3_MCLKOUT:
2656*4882a593Smuzhiyun rate = rk3568_i2s3_get_rate(priv, clk->id);
2657*4882a593Smuzhiyun break;
2658*4882a593Smuzhiyun #endif
2659*4882a593Smuzhiyun case ACLK_SECURE_FLASH:
2660*4882a593Smuzhiyun case ACLK_CRYPTO_NS:
2661*4882a593Smuzhiyun case HCLK_SECURE_FLASH:
2662*4882a593Smuzhiyun case HCLK_CRYPTO_NS:
2663*4882a593Smuzhiyun case CLK_CRYPTO_NS_RNG:
2664*4882a593Smuzhiyun case CLK_CRYPTO_NS_CORE:
2665*4882a593Smuzhiyun case CLK_CRYPTO_NS_PKA:
2666*4882a593Smuzhiyun rate = rk3568_crypto_get_rate(priv, clk->id);
2667*4882a593Smuzhiyun break;
2668*4882a593Smuzhiyun case CPLL_500M:
2669*4882a593Smuzhiyun case CPLL_333M:
2670*4882a593Smuzhiyun case CPLL_250M:
2671*4882a593Smuzhiyun case CPLL_125M:
2672*4882a593Smuzhiyun case CPLL_100M:
2673*4882a593Smuzhiyun case CPLL_62P5M:
2674*4882a593Smuzhiyun case CPLL_50M:
2675*4882a593Smuzhiyun case CPLL_25M:
2676*4882a593Smuzhiyun rate = rk3568_cpll_div_get_rate(priv, clk->id);
2677*4882a593Smuzhiyun break;
2678*4882a593Smuzhiyun default:
2679*4882a593Smuzhiyun return -ENOENT;
2680*4882a593Smuzhiyun }
2681*4882a593Smuzhiyun
2682*4882a593Smuzhiyun return rate;
2683*4882a593Smuzhiyun };
2684*4882a593Smuzhiyun
rk3568_clk_set_rate(struct clk * clk,ulong rate)2685*4882a593Smuzhiyun static ulong rk3568_clk_set_rate(struct clk *clk, ulong rate)
2686*4882a593Smuzhiyun {
2687*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
2688*4882a593Smuzhiyun ulong ret = 0;
2689*4882a593Smuzhiyun
2690*4882a593Smuzhiyun if (!priv->gpll_hz) {
2691*4882a593Smuzhiyun printf("%s gpll=%lu\n", __func__, priv->gpll_hz);
2692*4882a593Smuzhiyun return -ENOENT;
2693*4882a593Smuzhiyun }
2694*4882a593Smuzhiyun
2695*4882a593Smuzhiyun switch (clk->id) {
2696*4882a593Smuzhiyun case PLL_APLL:
2697*4882a593Smuzhiyun case ARMCLK:
2698*4882a593Smuzhiyun if (priv->armclk_hz)
2699*4882a593Smuzhiyun rk3568_armclk_set_clk(priv, rate);
2700*4882a593Smuzhiyun priv->armclk_hz = rate;
2701*4882a593Smuzhiyun break;
2702*4882a593Smuzhiyun case PLL_CPLL:
2703*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru,
2704*4882a593Smuzhiyun CPLL, rate);
2705*4882a593Smuzhiyun priv->cpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[CPLL],
2706*4882a593Smuzhiyun priv->cru, CPLL);
2707*4882a593Smuzhiyun break;
2708*4882a593Smuzhiyun case PLL_GPLL:
2709*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru,
2710*4882a593Smuzhiyun GPLL, rate);
2711*4882a593Smuzhiyun priv->gpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[GPLL],
2712*4882a593Smuzhiyun priv->cru, GPLL);
2713*4882a593Smuzhiyun break;
2714*4882a593Smuzhiyun case PLL_NPLL:
2715*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[NPLL], priv->cru,
2716*4882a593Smuzhiyun NPLL, rate);
2717*4882a593Smuzhiyun break;
2718*4882a593Smuzhiyun case PLL_VPLL:
2719*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[VPLL], priv->cru,
2720*4882a593Smuzhiyun VPLL, rate);
2721*4882a593Smuzhiyun priv->vpll_hz = rockchip_pll_get_rate(&rk3568_pll_clks[VPLL],
2722*4882a593Smuzhiyun priv->cru,
2723*4882a593Smuzhiyun VPLL);
2724*4882a593Smuzhiyun break;
2725*4882a593Smuzhiyun case ACLK_BUS:
2726*4882a593Smuzhiyun case PCLK_BUS:
2727*4882a593Smuzhiyun case PCLK_WDT_NS:
2728*4882a593Smuzhiyun ret = rk3568_bus_set_clk(priv, clk->id, rate);
2729*4882a593Smuzhiyun break;
2730*4882a593Smuzhiyun case ACLK_PERIMID:
2731*4882a593Smuzhiyun case HCLK_PERIMID:
2732*4882a593Smuzhiyun ret = rk3568_perimid_set_clk(priv, clk->id, rate);
2733*4882a593Smuzhiyun break;
2734*4882a593Smuzhiyun case ACLK_TOP_HIGH:
2735*4882a593Smuzhiyun case ACLK_TOP_LOW:
2736*4882a593Smuzhiyun case HCLK_TOP:
2737*4882a593Smuzhiyun case PCLK_TOP:
2738*4882a593Smuzhiyun ret = rk3568_top_set_clk(priv, clk->id, rate);
2739*4882a593Smuzhiyun break;
2740*4882a593Smuzhiyun case CLK_I2C1:
2741*4882a593Smuzhiyun case CLK_I2C2:
2742*4882a593Smuzhiyun case CLK_I2C3:
2743*4882a593Smuzhiyun case CLK_I2C4:
2744*4882a593Smuzhiyun case CLK_I2C5:
2745*4882a593Smuzhiyun ret = rk3568_i2c_set_clk(priv, clk->id, rate);
2746*4882a593Smuzhiyun break;
2747*4882a593Smuzhiyun case CLK_SPI0:
2748*4882a593Smuzhiyun case CLK_SPI1:
2749*4882a593Smuzhiyun case CLK_SPI2:
2750*4882a593Smuzhiyun case CLK_SPI3:
2751*4882a593Smuzhiyun ret = rk3568_spi_set_clk(priv, clk->id, rate);
2752*4882a593Smuzhiyun break;
2753*4882a593Smuzhiyun case CLK_PWM1:
2754*4882a593Smuzhiyun case CLK_PWM2:
2755*4882a593Smuzhiyun case CLK_PWM3:
2756*4882a593Smuzhiyun ret = rk3568_pwm_set_clk(priv, clk->id, rate);
2757*4882a593Smuzhiyun break;
2758*4882a593Smuzhiyun case CLK_SARADC:
2759*4882a593Smuzhiyun case CLK_TSADC_TSEN:
2760*4882a593Smuzhiyun case CLK_TSADC:
2761*4882a593Smuzhiyun ret = rk3568_adc_set_clk(priv, clk->id, rate);
2762*4882a593Smuzhiyun break;
2763*4882a593Smuzhiyun case HCLK_SDMMC0:
2764*4882a593Smuzhiyun case CLK_SDMMC0:
2765*4882a593Smuzhiyun case CLK_SDMMC1:
2766*4882a593Smuzhiyun case CLK_SDMMC2:
2767*4882a593Smuzhiyun ret = rk3568_sdmmc_set_clk(priv, clk->id, rate);
2768*4882a593Smuzhiyun break;
2769*4882a593Smuzhiyun case SCLK_SFC:
2770*4882a593Smuzhiyun ret = rk3568_sfc_set_clk(priv, rate);
2771*4882a593Smuzhiyun break;
2772*4882a593Smuzhiyun case NCLK_NANDC:
2773*4882a593Smuzhiyun ret = rk3568_nand_set_clk(priv, rate);
2774*4882a593Smuzhiyun break;
2775*4882a593Smuzhiyun case CCLK_EMMC:
2776*4882a593Smuzhiyun ret = rk3568_emmc_set_clk(priv, rate);
2777*4882a593Smuzhiyun break;
2778*4882a593Smuzhiyun case BCLK_EMMC:
2779*4882a593Smuzhiyun ret = rk3568_emmc_set_bclk(priv, rate);
2780*4882a593Smuzhiyun break;
2781*4882a593Smuzhiyun case TCLK_EMMC:
2782*4882a593Smuzhiyun ret = OSC_HZ;
2783*4882a593Smuzhiyun break;
2784*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
2785*4882a593Smuzhiyun case ACLK_VOP:
2786*4882a593Smuzhiyun ret = rk3568_aclk_vop_set_clk(priv, rate);
2787*4882a593Smuzhiyun break;
2788*4882a593Smuzhiyun case DCLK_VOP0:
2789*4882a593Smuzhiyun case DCLK_VOP1:
2790*4882a593Smuzhiyun case DCLK_VOP2:
2791*4882a593Smuzhiyun ret = rk3568_dclk_vop_set_clk(priv, clk->id, rate);
2792*4882a593Smuzhiyun break;
2793*4882a593Smuzhiyun case SCLK_GMAC0:
2794*4882a593Smuzhiyun case CLK_MAC0_2TOP:
2795*4882a593Smuzhiyun case CLK_MAC0_REFOUT:
2796*4882a593Smuzhiyun ret = rk3568_gmac_src_set_clk(priv, 0, rate);
2797*4882a593Smuzhiyun break;
2798*4882a593Smuzhiyun case CLK_MAC0_OUT:
2799*4882a593Smuzhiyun ret = rk3568_gmac_out_set_clk(priv, 0, rate);
2800*4882a593Smuzhiyun break;
2801*4882a593Smuzhiyun case SCLK_GMAC0_RX_TX:
2802*4882a593Smuzhiyun ret = rk3568_gmac_tx_rx_set_clk(priv, 0, rate);
2803*4882a593Smuzhiyun break;
2804*4882a593Smuzhiyun case CLK_GMAC0_PTP_REF:
2805*4882a593Smuzhiyun ret = rk3568_gmac_ptp_ref_set_clk(priv, 0, rate);
2806*4882a593Smuzhiyun break;
2807*4882a593Smuzhiyun case SCLK_GMAC1:
2808*4882a593Smuzhiyun case CLK_MAC1_2TOP:
2809*4882a593Smuzhiyun case CLK_MAC1_REFOUT:
2810*4882a593Smuzhiyun ret = rk3568_gmac_src_set_clk(priv, 1, rate);
2811*4882a593Smuzhiyun break;
2812*4882a593Smuzhiyun case CLK_MAC1_OUT:
2813*4882a593Smuzhiyun ret = rk3568_gmac_out_set_clk(priv, 1, rate);
2814*4882a593Smuzhiyun break;
2815*4882a593Smuzhiyun case SCLK_GMAC1_RX_TX:
2816*4882a593Smuzhiyun ret = rk3568_gmac_tx_rx_set_clk(priv, 1, rate);
2817*4882a593Smuzhiyun break;
2818*4882a593Smuzhiyun case CLK_GMAC1_PTP_REF:
2819*4882a593Smuzhiyun ret = rk3568_gmac_ptp_ref_set_clk(priv, 1, rate);
2820*4882a593Smuzhiyun break;
2821*4882a593Smuzhiyun case DCLK_EBC:
2822*4882a593Smuzhiyun ret = rk3568_ebc_set_clk(priv, rate);
2823*4882a593Smuzhiyun break;
2824*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
2825*4882a593Smuzhiyun case ACLK_RKVDEC:
2826*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
2827*4882a593Smuzhiyun ret = rk3568_rkvdec_set_clk(priv, clk->id, rate);
2828*4882a593Smuzhiyun break;
2829*4882a593Smuzhiyun case TCLK_WDT_NS:
2830*4882a593Smuzhiyun ret = OSC_HZ;
2831*4882a593Smuzhiyun break;
2832*4882a593Smuzhiyun case SCLK_UART1:
2833*4882a593Smuzhiyun case SCLK_UART2:
2834*4882a593Smuzhiyun case SCLK_UART3:
2835*4882a593Smuzhiyun case SCLK_UART4:
2836*4882a593Smuzhiyun case SCLK_UART5:
2837*4882a593Smuzhiyun case SCLK_UART6:
2838*4882a593Smuzhiyun case SCLK_UART7:
2839*4882a593Smuzhiyun case SCLK_UART8:
2840*4882a593Smuzhiyun case SCLK_UART9:
2841*4882a593Smuzhiyun ret = rk3568_uart_set_rate(priv, clk->id, rate);
2842*4882a593Smuzhiyun break;
2843*4882a593Smuzhiyun case I2S3_MCLKOUT_RX:
2844*4882a593Smuzhiyun case I2S3_MCLKOUT_TX:
2845*4882a593Smuzhiyun case MCLK_I2S3_2CH_RX:
2846*4882a593Smuzhiyun case MCLK_I2S3_2CH_TX:
2847*4882a593Smuzhiyun case I2S3_MCLKOUT:
2848*4882a593Smuzhiyun ret = rk3568_i2s3_set_rate(priv, clk->id, rate);
2849*4882a593Smuzhiyun break;
2850*4882a593Smuzhiyun #endif
2851*4882a593Smuzhiyun case ACLK_SECURE_FLASH:
2852*4882a593Smuzhiyun case ACLK_CRYPTO_NS:
2853*4882a593Smuzhiyun case HCLK_SECURE_FLASH:
2854*4882a593Smuzhiyun case HCLK_CRYPTO_NS:
2855*4882a593Smuzhiyun case CLK_CRYPTO_NS_RNG:
2856*4882a593Smuzhiyun case CLK_CRYPTO_NS_CORE:
2857*4882a593Smuzhiyun case CLK_CRYPTO_NS_PKA:
2858*4882a593Smuzhiyun ret = rk3568_crypto_set_rate(priv, clk->id, rate);
2859*4882a593Smuzhiyun break;
2860*4882a593Smuzhiyun case CPLL_500M:
2861*4882a593Smuzhiyun case CPLL_333M:
2862*4882a593Smuzhiyun case CPLL_250M:
2863*4882a593Smuzhiyun case CPLL_125M:
2864*4882a593Smuzhiyun case CPLL_100M:
2865*4882a593Smuzhiyun case CPLL_62P5M:
2866*4882a593Smuzhiyun case CPLL_50M:
2867*4882a593Smuzhiyun case CPLL_25M:
2868*4882a593Smuzhiyun ret = rk3568_cpll_div_set_rate(priv, clk->id, rate);
2869*4882a593Smuzhiyun break;
2870*4882a593Smuzhiyun default:
2871*4882a593Smuzhiyun return -ENOENT;
2872*4882a593Smuzhiyun }
2873*4882a593Smuzhiyun
2874*4882a593Smuzhiyun return ret;
2875*4882a593Smuzhiyun };
2876*4882a593Smuzhiyun
2877*4882a593Smuzhiyun #define ROCKCHIP_MMC_DELAY_SEL BIT(10)
2878*4882a593Smuzhiyun #define ROCKCHIP_MMC_DEGREE_MASK 0x3
2879*4882a593Smuzhiyun #define ROCKCHIP_MMC_DELAYNUM_OFFSET 2
2880*4882a593Smuzhiyun #define ROCKCHIP_MMC_DELAYNUM_MASK (0xff << ROCKCHIP_MMC_DELAYNUM_OFFSET)
2881*4882a593Smuzhiyun
2882*4882a593Smuzhiyun #define PSECS_PER_SEC 1000000000000LL
2883*4882a593Smuzhiyun /*
2884*4882a593Smuzhiyun * Each fine delay is between 44ps-77ps. Assume each fine delay is 60ps to
2885*4882a593Smuzhiyun * simplify calculations. So 45degs could be anywhere between 33deg and 57.8deg.
2886*4882a593Smuzhiyun */
2887*4882a593Smuzhiyun #define ROCKCHIP_MMC_DELAY_ELEMENT_PSEC 60
2888*4882a593Smuzhiyun
rk3568_mmc_get_phase(struct clk * clk)2889*4882a593Smuzhiyun int rk3568_mmc_get_phase(struct clk *clk)
2890*4882a593Smuzhiyun {
2891*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
2892*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2893*4882a593Smuzhiyun u32 raw_value, delay_num;
2894*4882a593Smuzhiyun u16 degrees = 0;
2895*4882a593Smuzhiyun ulong rate;
2896*4882a593Smuzhiyun
2897*4882a593Smuzhiyun rate = rk3568_clk_get_rate(clk);
2898*4882a593Smuzhiyun if (rate < 0)
2899*4882a593Smuzhiyun return rate;
2900*4882a593Smuzhiyun
2901*4882a593Smuzhiyun if (clk->id == SCLK_EMMC_SAMPLE)
2902*4882a593Smuzhiyun raw_value = readl(&cru->emmc_con[1]);
2903*4882a593Smuzhiyun else if (clk->id == SCLK_SDMMC0_SAMPLE)
2904*4882a593Smuzhiyun raw_value = readl(&cru->sdmmc0_con[1]);
2905*4882a593Smuzhiyun else if (clk->id == SCLK_SDMMC1_SAMPLE)
2906*4882a593Smuzhiyun raw_value = readl(&cru->sdmmc1_con[1]);
2907*4882a593Smuzhiyun else
2908*4882a593Smuzhiyun raw_value = readl(&cru->sdmmc2_con[1]);
2909*4882a593Smuzhiyun
2910*4882a593Smuzhiyun raw_value >>= 1;
2911*4882a593Smuzhiyun degrees = (raw_value & ROCKCHIP_MMC_DEGREE_MASK) * 90;
2912*4882a593Smuzhiyun
2913*4882a593Smuzhiyun if (raw_value & ROCKCHIP_MMC_DELAY_SEL) {
2914*4882a593Smuzhiyun /* degrees/delaynum * 10000 */
2915*4882a593Smuzhiyun unsigned long factor = (ROCKCHIP_MMC_DELAY_ELEMENT_PSEC / 10) *
2916*4882a593Smuzhiyun 36 * (rate / 1000000);
2917*4882a593Smuzhiyun
2918*4882a593Smuzhiyun delay_num = (raw_value & ROCKCHIP_MMC_DELAYNUM_MASK);
2919*4882a593Smuzhiyun delay_num >>= ROCKCHIP_MMC_DELAYNUM_OFFSET;
2920*4882a593Smuzhiyun degrees += DIV_ROUND_CLOSEST(delay_num * factor, 10000);
2921*4882a593Smuzhiyun }
2922*4882a593Smuzhiyun
2923*4882a593Smuzhiyun return degrees % 360;
2924*4882a593Smuzhiyun }
2925*4882a593Smuzhiyun
rk3568_mmc_set_phase(struct clk * clk,u32 degrees)2926*4882a593Smuzhiyun int rk3568_mmc_set_phase(struct clk *clk, u32 degrees)
2927*4882a593Smuzhiyun {
2928*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
2929*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
2930*4882a593Smuzhiyun u8 nineties, remainder, delay_num;
2931*4882a593Smuzhiyun u32 raw_value, delay;
2932*4882a593Smuzhiyun ulong rate;
2933*4882a593Smuzhiyun
2934*4882a593Smuzhiyun rate = rk3568_clk_get_rate(clk);
2935*4882a593Smuzhiyun if (rate < 0)
2936*4882a593Smuzhiyun return rate;
2937*4882a593Smuzhiyun
2938*4882a593Smuzhiyun nineties = degrees / 90;
2939*4882a593Smuzhiyun remainder = (degrees % 90);
2940*4882a593Smuzhiyun
2941*4882a593Smuzhiyun /*
2942*4882a593Smuzhiyun * Convert to delay; do a little extra work to make sure we
2943*4882a593Smuzhiyun * don't overflow 32-bit / 64-bit numbers.
2944*4882a593Smuzhiyun */
2945*4882a593Smuzhiyun delay = 10000000; /* PSECS_PER_SEC / 10000 / 10 */
2946*4882a593Smuzhiyun delay *= remainder;
2947*4882a593Smuzhiyun delay = DIV_ROUND_CLOSEST(delay, (rate / 1000) * 36 *
2948*4882a593Smuzhiyun (ROCKCHIP_MMC_DELAY_ELEMENT_PSEC / 10));
2949*4882a593Smuzhiyun
2950*4882a593Smuzhiyun delay_num = (u8)min_t(u32, delay, 255);
2951*4882a593Smuzhiyun
2952*4882a593Smuzhiyun raw_value = delay_num ? ROCKCHIP_MMC_DELAY_SEL : 0;
2953*4882a593Smuzhiyun raw_value |= delay_num << ROCKCHIP_MMC_DELAYNUM_OFFSET;
2954*4882a593Smuzhiyun raw_value |= nineties;
2955*4882a593Smuzhiyun
2956*4882a593Smuzhiyun raw_value <<= 1;
2957*4882a593Smuzhiyun if (clk->id == SCLK_EMMC_SAMPLE)
2958*4882a593Smuzhiyun writel(raw_value | 0xffff0000, &cru->emmc_con[1]);
2959*4882a593Smuzhiyun else if (clk->id == SCLK_SDMMC0_SAMPLE)
2960*4882a593Smuzhiyun writel(raw_value | 0xffff0000, &cru->sdmmc0_con[1]);
2961*4882a593Smuzhiyun else if (clk->id == SCLK_SDMMC1_SAMPLE)
2962*4882a593Smuzhiyun writel(raw_value | 0xffff0000, &cru->sdmmc1_con[1]);
2963*4882a593Smuzhiyun else
2964*4882a593Smuzhiyun writel(raw_value | 0xffff0000, &cru->sdmmc2_con[1]);
2965*4882a593Smuzhiyun
2966*4882a593Smuzhiyun debug("mmc set_phase(%d) delay_nums=%u reg=%#x actual_degrees=%d\n",
2967*4882a593Smuzhiyun degrees, delay_num, raw_value, rk3568_mmc_get_phase(clk));
2968*4882a593Smuzhiyun
2969*4882a593Smuzhiyun return 0;
2970*4882a593Smuzhiyun }
2971*4882a593Smuzhiyun
rk3568_clk_get_phase(struct clk * clk)2972*4882a593Smuzhiyun static int rk3568_clk_get_phase(struct clk *clk)
2973*4882a593Smuzhiyun {
2974*4882a593Smuzhiyun int ret;
2975*4882a593Smuzhiyun
2976*4882a593Smuzhiyun debug("%s %ld\n", __func__, clk->id);
2977*4882a593Smuzhiyun switch (clk->id) {
2978*4882a593Smuzhiyun case SCLK_EMMC_SAMPLE:
2979*4882a593Smuzhiyun case SCLK_SDMMC0_SAMPLE:
2980*4882a593Smuzhiyun case SCLK_SDMMC1_SAMPLE:
2981*4882a593Smuzhiyun case SCLK_SDMMC2_SAMPLE:
2982*4882a593Smuzhiyun ret = rk3568_mmc_get_phase(clk);
2983*4882a593Smuzhiyun break;
2984*4882a593Smuzhiyun default:
2985*4882a593Smuzhiyun return -ENOENT;
2986*4882a593Smuzhiyun }
2987*4882a593Smuzhiyun
2988*4882a593Smuzhiyun return ret;
2989*4882a593Smuzhiyun }
2990*4882a593Smuzhiyun
rk3568_clk_set_phase(struct clk * clk,int degrees)2991*4882a593Smuzhiyun static int rk3568_clk_set_phase(struct clk *clk, int degrees)
2992*4882a593Smuzhiyun {
2993*4882a593Smuzhiyun int ret;
2994*4882a593Smuzhiyun
2995*4882a593Smuzhiyun debug("%s %ld\n", __func__, clk->id);
2996*4882a593Smuzhiyun switch (clk->id) {
2997*4882a593Smuzhiyun case SCLK_EMMC_SAMPLE:
2998*4882a593Smuzhiyun case SCLK_SDMMC0_SAMPLE:
2999*4882a593Smuzhiyun case SCLK_SDMMC1_SAMPLE:
3000*4882a593Smuzhiyun case SCLK_SDMMC2_SAMPLE:
3001*4882a593Smuzhiyun ret = rk3568_mmc_set_phase(clk, degrees);
3002*4882a593Smuzhiyun break;
3003*4882a593Smuzhiyun default:
3004*4882a593Smuzhiyun return -ENOENT;
3005*4882a593Smuzhiyun }
3006*4882a593Smuzhiyun
3007*4882a593Smuzhiyun return ret;
3008*4882a593Smuzhiyun }
3009*4882a593Smuzhiyun
3010*4882a593Smuzhiyun #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA))
rk3568_gmac0_src_set_parent(struct clk * clk,struct clk * parent)3011*4882a593Smuzhiyun static int rk3568_gmac0_src_set_parent(struct clk *clk, struct clk *parent)
3012*4882a593Smuzhiyun {
3013*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3014*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3015*4882a593Smuzhiyun
3016*4882a593Smuzhiyun if (parent->id == CLK_MAC0_2TOP)
3017*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31],
3018*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MASK,
3019*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MAC0_TOP <<
3020*4882a593Smuzhiyun RMII0_EXTCLK_SEL_SHIFT);
3021*4882a593Smuzhiyun else
3022*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31],
3023*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MASK,
3024*4882a593Smuzhiyun RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT);
3025*4882a593Smuzhiyun return 0;
3026*4882a593Smuzhiyun }
3027*4882a593Smuzhiyun
rk3568_gmac1_src_set_parent(struct clk * clk,struct clk * parent)3028*4882a593Smuzhiyun static int rk3568_gmac1_src_set_parent(struct clk *clk, struct clk *parent)
3029*4882a593Smuzhiyun {
3030*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3031*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3032*4882a593Smuzhiyun
3033*4882a593Smuzhiyun if (parent->id == CLK_MAC1_2TOP)
3034*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[33],
3035*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MASK,
3036*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MAC0_TOP <<
3037*4882a593Smuzhiyun RMII0_EXTCLK_SEL_SHIFT);
3038*4882a593Smuzhiyun else
3039*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[33],
3040*4882a593Smuzhiyun RMII0_EXTCLK_SEL_MASK,
3041*4882a593Smuzhiyun RMII0_EXTCLK_SEL_IO << RMII0_EXTCLK_SEL_SHIFT);
3042*4882a593Smuzhiyun return 0;
3043*4882a593Smuzhiyun }
3044*4882a593Smuzhiyun
rk3568_gmac0_tx_rx_set_parent(struct clk * clk,struct clk * parent)3045*4882a593Smuzhiyun static int rk3568_gmac0_tx_rx_set_parent(struct clk *clk, struct clk *parent)
3046*4882a593Smuzhiyun {
3047*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3048*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3049*4882a593Smuzhiyun
3050*4882a593Smuzhiyun if (parent->id == SCLK_GMAC0_RGMII_SPEED)
3051*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31],
3052*4882a593Smuzhiyun RMII0_MODE_MASK,
3053*4882a593Smuzhiyun RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT);
3054*4882a593Smuzhiyun else if (parent->id == SCLK_GMAC0_RMII_SPEED)
3055*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31],
3056*4882a593Smuzhiyun RMII0_MODE_MASK,
3057*4882a593Smuzhiyun RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT);
3058*4882a593Smuzhiyun else
3059*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[31],
3060*4882a593Smuzhiyun RMII0_MODE_MASK,
3061*4882a593Smuzhiyun RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT);
3062*4882a593Smuzhiyun
3063*4882a593Smuzhiyun return 0;
3064*4882a593Smuzhiyun }
3065*4882a593Smuzhiyun
rk3568_gmac1_tx_rx_set_parent(struct clk * clk,struct clk * parent)3066*4882a593Smuzhiyun static int rk3568_gmac1_tx_rx_set_parent(struct clk *clk, struct clk *parent)
3067*4882a593Smuzhiyun {
3068*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3069*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3070*4882a593Smuzhiyun
3071*4882a593Smuzhiyun if (parent->id == SCLK_GMAC1_RGMII_SPEED)
3072*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[33],
3073*4882a593Smuzhiyun RMII0_MODE_MASK,
3074*4882a593Smuzhiyun RMII0_MODE_SEL_RGMII << RMII0_MODE_SHIFT);
3075*4882a593Smuzhiyun else if (parent->id == SCLK_GMAC1_RMII_SPEED)
3076*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[33],
3077*4882a593Smuzhiyun RMII0_MODE_MASK,
3078*4882a593Smuzhiyun RMII0_MODE_SEL_RMII << RMII0_MODE_SHIFT);
3079*4882a593Smuzhiyun else
3080*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[33],
3081*4882a593Smuzhiyun RMII0_MODE_MASK,
3082*4882a593Smuzhiyun RMII0_MODE_SEL_GMII << RMII0_MODE_SHIFT);
3083*4882a593Smuzhiyun
3084*4882a593Smuzhiyun return 0;
3085*4882a593Smuzhiyun }
3086*4882a593Smuzhiyun
rk3568_dclk_vop_set_parent(struct clk * clk,struct clk * parent)3087*4882a593Smuzhiyun static int __maybe_unused rk3568_dclk_vop_set_parent(struct clk *clk,
3088*4882a593Smuzhiyun struct clk *parent)
3089*4882a593Smuzhiyun {
3090*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3091*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3092*4882a593Smuzhiyun u32 con_id;
3093*4882a593Smuzhiyun
3094*4882a593Smuzhiyun switch (clk->id) {
3095*4882a593Smuzhiyun case DCLK_VOP0:
3096*4882a593Smuzhiyun con_id = 39;
3097*4882a593Smuzhiyun break;
3098*4882a593Smuzhiyun case DCLK_VOP1:
3099*4882a593Smuzhiyun con_id = 40;
3100*4882a593Smuzhiyun break;
3101*4882a593Smuzhiyun case DCLK_VOP2:
3102*4882a593Smuzhiyun con_id = 41;
3103*4882a593Smuzhiyun break;
3104*4882a593Smuzhiyun default:
3105*4882a593Smuzhiyun return -EINVAL;
3106*4882a593Smuzhiyun }
3107*4882a593Smuzhiyun if (parent->id == PLL_VPLL) {
3108*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
3109*4882a593Smuzhiyun DCLK_VOP_SEL_VPLL << DCLK0_VOP_SEL_SHIFT);
3110*4882a593Smuzhiyun } else if (parent->id == PLL_HPLL) {
3111*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
3112*4882a593Smuzhiyun DCLK_VOP_SEL_HPLL << DCLK0_VOP_SEL_SHIFT);
3113*4882a593Smuzhiyun } else if (parent->id == PLL_CPLL) {
3114*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
3115*4882a593Smuzhiyun DCLK_VOP_SEL_CPLL << DCLK0_VOP_SEL_SHIFT);
3116*4882a593Smuzhiyun } else {
3117*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], DCLK0_VOP_SEL_MASK,
3118*4882a593Smuzhiyun DCLK_VOP_SEL_GPLL << DCLK0_VOP_SEL_SHIFT);
3119*4882a593Smuzhiyun }
3120*4882a593Smuzhiyun
3121*4882a593Smuzhiyun return 0;
3122*4882a593Smuzhiyun }
3123*4882a593Smuzhiyun
rk3568_rkvdec_set_parent(struct clk * clk,struct clk * parent)3124*4882a593Smuzhiyun static int __maybe_unused rk3568_rkvdec_set_parent(struct clk *clk,
3125*4882a593Smuzhiyun struct clk *parent)
3126*4882a593Smuzhiyun {
3127*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3128*4882a593Smuzhiyun struct rk3568_cru *cru = priv->cru;
3129*4882a593Smuzhiyun u32 con_id, mask, shift;
3130*4882a593Smuzhiyun
3131*4882a593Smuzhiyun switch (clk->id) {
3132*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
3133*4882a593Smuzhiyun con_id = 47;
3134*4882a593Smuzhiyun mask = ACLK_RKVDEC_SEL_MASK;
3135*4882a593Smuzhiyun shift = ACLK_RKVDEC_SEL_SHIFT;
3136*4882a593Smuzhiyun break;
3137*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
3138*4882a593Smuzhiyun con_id = 49;
3139*4882a593Smuzhiyun mask = CLK_RKVDEC_CORE_SEL_MASK;
3140*4882a593Smuzhiyun shift = CLK_RKVDEC_CORE_SEL_SHIFT;
3141*4882a593Smuzhiyun break;
3142*4882a593Smuzhiyun default:
3143*4882a593Smuzhiyun return -EINVAL;
3144*4882a593Smuzhiyun }
3145*4882a593Smuzhiyun if (parent->id == PLL_CPLL) {
3146*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], mask,
3147*4882a593Smuzhiyun ACLK_RKVDEC_SEL_CPLL << shift);
3148*4882a593Smuzhiyun } else {
3149*4882a593Smuzhiyun rk_clrsetreg(&cru->clksel_con[con_id], mask,
3150*4882a593Smuzhiyun ACLK_RKVDEC_SEL_GPLL << shift);
3151*4882a593Smuzhiyun }
3152*4882a593Smuzhiyun
3153*4882a593Smuzhiyun return 0;
3154*4882a593Smuzhiyun }
3155*4882a593Smuzhiyun
rk3568_i2s3_set_parent(struct clk * clk,struct clk * parent)3156*4882a593Smuzhiyun static int __maybe_unused rk3568_i2s3_set_parent(struct clk *clk,
3157*4882a593Smuzhiyun struct clk *parent)
3158*4882a593Smuzhiyun {
3159*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(clk->dev);
3160*4882a593Smuzhiyun struct rk3568_grf *grf = priv->grf;
3161*4882a593Smuzhiyun
3162*4882a593Smuzhiyun switch (clk->id) {
3163*4882a593Smuzhiyun case I2S3_MCLK_IOE:
3164*4882a593Smuzhiyun if (parent->id == I2S3_MCLKOUT) {
3165*4882a593Smuzhiyun rk_clrsetreg(&grf->soc_con2, I2S3_MCLK_IOE_SEL_MASK,
3166*4882a593Smuzhiyun I2S3_MCLK_IOE_SEL_CLKOUT <<
3167*4882a593Smuzhiyun I2S3_MCLK_IOE_SEL_SHIFT);
3168*4882a593Smuzhiyun } else {
3169*4882a593Smuzhiyun rk_clrsetreg(&grf->soc_con2, I2S3_MCLK_IOE_SEL_MASK,
3170*4882a593Smuzhiyun I2S3_MCLK_IOE_SEL_CLKIN <<
3171*4882a593Smuzhiyun I2S3_MCLK_IOE_SEL_SHIFT);
3172*4882a593Smuzhiyun }
3173*4882a593Smuzhiyun break;
3174*4882a593Smuzhiyun case I2S3_MCLKOUT:
3175*4882a593Smuzhiyun if (parent->id == I2S3_MCLKOUT_RX) {
3176*4882a593Smuzhiyun rk_clrsetreg(&grf->soc_con2, I2S3_MCLKOUT_SEL_MASK,
3177*4882a593Smuzhiyun I2S3_MCLKOUT_SEL_RX <<
3178*4882a593Smuzhiyun I2S3_MCLKOUT_SEL_SHIFT);
3179*4882a593Smuzhiyun } else {
3180*4882a593Smuzhiyun rk_clrsetreg(&grf->soc_con2, I2S3_MCLKOUT_SEL_MASK,
3181*4882a593Smuzhiyun I2S3_MCLKOUT_SEL_TX <<
3182*4882a593Smuzhiyun I2S3_MCLKOUT_SEL_SHIFT);
3183*4882a593Smuzhiyun }
3184*4882a593Smuzhiyun break;
3185*4882a593Smuzhiyun default:
3186*4882a593Smuzhiyun return -EINVAL;
3187*4882a593Smuzhiyun }
3188*4882a593Smuzhiyun
3189*4882a593Smuzhiyun return 0;
3190*4882a593Smuzhiyun }
3191*4882a593Smuzhiyun
rk3568_clk_set_parent(struct clk * clk,struct clk * parent)3192*4882a593Smuzhiyun static int rk3568_clk_set_parent(struct clk *clk, struct clk *parent)
3193*4882a593Smuzhiyun {
3194*4882a593Smuzhiyun switch (clk->id) {
3195*4882a593Smuzhiyun case SCLK_GMAC0:
3196*4882a593Smuzhiyun return rk3568_gmac0_src_set_parent(clk, parent);
3197*4882a593Smuzhiyun case SCLK_GMAC1:
3198*4882a593Smuzhiyun return rk3568_gmac1_src_set_parent(clk, parent);
3199*4882a593Smuzhiyun case SCLK_GMAC0_RX_TX:
3200*4882a593Smuzhiyun return rk3568_gmac0_tx_rx_set_parent(clk, parent);
3201*4882a593Smuzhiyun case SCLK_GMAC1_RX_TX:
3202*4882a593Smuzhiyun return rk3568_gmac1_tx_rx_set_parent(clk, parent);
3203*4882a593Smuzhiyun case DCLK_VOP0:
3204*4882a593Smuzhiyun case DCLK_VOP1:
3205*4882a593Smuzhiyun case DCLK_VOP2:
3206*4882a593Smuzhiyun return rk3568_dclk_vop_set_parent(clk, parent);
3207*4882a593Smuzhiyun case ACLK_RKVDEC_PRE:
3208*4882a593Smuzhiyun case CLK_RKVDEC_CORE:
3209*4882a593Smuzhiyun return rk3568_rkvdec_set_parent(clk, parent);
3210*4882a593Smuzhiyun case I2S3_MCLK_IOE:
3211*4882a593Smuzhiyun case I2S3_MCLKOUT:
3212*4882a593Smuzhiyun return rk3568_i2s3_set_parent(clk, parent);
3213*4882a593Smuzhiyun default:
3214*4882a593Smuzhiyun return -ENOENT;
3215*4882a593Smuzhiyun }
3216*4882a593Smuzhiyun
3217*4882a593Smuzhiyun return 0;
3218*4882a593Smuzhiyun }
3219*4882a593Smuzhiyun #endif
3220*4882a593Smuzhiyun
3221*4882a593Smuzhiyun static struct clk_ops rk3568_clk_ops = {
3222*4882a593Smuzhiyun .get_rate = rk3568_clk_get_rate,
3223*4882a593Smuzhiyun .set_rate = rk3568_clk_set_rate,
3224*4882a593Smuzhiyun .get_phase = rk3568_clk_get_phase,
3225*4882a593Smuzhiyun .set_phase = rk3568_clk_set_phase,
3226*4882a593Smuzhiyun #if (IS_ENABLED(OF_CONTROL)) || (!IS_ENABLED(OF_PLATDATA))
3227*4882a593Smuzhiyun .set_parent = rk3568_clk_set_parent,
3228*4882a593Smuzhiyun #endif
3229*4882a593Smuzhiyun };
3230*4882a593Smuzhiyun
rk3568_clk_init(struct rk3568_clk_priv * priv)3231*4882a593Smuzhiyun static void rk3568_clk_init(struct rk3568_clk_priv *priv)
3232*4882a593Smuzhiyun {
3233*4882a593Smuzhiyun int ret;
3234*4882a593Smuzhiyun
3235*4882a593Smuzhiyun priv->sync_kernel = false;
3236*4882a593Smuzhiyun if (!priv->armclk_enter_hz) {
3237*4882a593Smuzhiyun priv->armclk_enter_hz =
3238*4882a593Smuzhiyun rockchip_pll_get_rate(&rk3568_pll_clks[APLL],
3239*4882a593Smuzhiyun priv->cru, APLL);
3240*4882a593Smuzhiyun priv->armclk_init_hz = priv->armclk_enter_hz;
3241*4882a593Smuzhiyun }
3242*4882a593Smuzhiyun
3243*4882a593Smuzhiyun if (priv->armclk_init_hz != APLL_HZ) {
3244*4882a593Smuzhiyun ret = rk3568_armclk_set_clk(priv, APLL_HZ);
3245*4882a593Smuzhiyun if (!ret)
3246*4882a593Smuzhiyun priv->armclk_init_hz = APLL_HZ;
3247*4882a593Smuzhiyun }
3248*4882a593Smuzhiyun if (priv->cpll_hz != CPLL_HZ) {
3249*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[CPLL], priv->cru,
3250*4882a593Smuzhiyun CPLL, CPLL_HZ);
3251*4882a593Smuzhiyun if (!ret)
3252*4882a593Smuzhiyun priv->cpll_hz = CPLL_HZ;
3253*4882a593Smuzhiyun }
3254*4882a593Smuzhiyun if (priv->gpll_hz != GPLL_HZ) {
3255*4882a593Smuzhiyun ret = rockchip_pll_set_rate(&rk3568_pll_clks[GPLL], priv->cru,
3256*4882a593Smuzhiyun GPLL, GPLL_HZ);
3257*4882a593Smuzhiyun if (!ret)
3258*4882a593Smuzhiyun priv->gpll_hz = GPLL_HZ;
3259*4882a593Smuzhiyun }
3260*4882a593Smuzhiyun
3261*4882a593Smuzhiyun #ifdef CONFIG_SPL_BUILD
3262*4882a593Smuzhiyun ret = rk3568_bus_set_clk(priv, ACLK_BUS, 150000000);
3263*4882a593Smuzhiyun if (ret < 0)
3264*4882a593Smuzhiyun printf("Fail to set the ACLK_BUS clock.\n");
3265*4882a593Smuzhiyun #endif
3266*4882a593Smuzhiyun
3267*4882a593Smuzhiyun priv->ppll_hz = rk3568_pmu_pll_get_rate(priv, PPLL);
3268*4882a593Smuzhiyun priv->hpll_hz = rk3568_pmu_pll_get_rate(priv, HPLL);
3269*4882a593Smuzhiyun }
3270*4882a593Smuzhiyun
rk3568_clk_probe(struct udevice * dev)3271*4882a593Smuzhiyun static int rk3568_clk_probe(struct udevice *dev)
3272*4882a593Smuzhiyun {
3273*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(dev);
3274*4882a593Smuzhiyun int ret;
3275*4882a593Smuzhiyun
3276*4882a593Smuzhiyun priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
3277*4882a593Smuzhiyun if (IS_ERR(priv->grf))
3278*4882a593Smuzhiyun return PTR_ERR(priv->grf);
3279*4882a593Smuzhiyun
3280*4882a593Smuzhiyun rk3568_clk_init(priv);
3281*4882a593Smuzhiyun
3282*4882a593Smuzhiyun /* Process 'assigned-{clocks/clock-parents/clock-rates}' properties */
3283*4882a593Smuzhiyun ret = clk_set_defaults(dev);
3284*4882a593Smuzhiyun if (ret)
3285*4882a593Smuzhiyun debug("%s clk_set_defaults failed %d\n", __func__, ret);
3286*4882a593Smuzhiyun else
3287*4882a593Smuzhiyun priv->sync_kernel = true;
3288*4882a593Smuzhiyun
3289*4882a593Smuzhiyun return 0;
3290*4882a593Smuzhiyun }
3291*4882a593Smuzhiyun
rk3568_clk_ofdata_to_platdata(struct udevice * dev)3292*4882a593Smuzhiyun static int rk3568_clk_ofdata_to_platdata(struct udevice *dev)
3293*4882a593Smuzhiyun {
3294*4882a593Smuzhiyun struct rk3568_clk_priv *priv = dev_get_priv(dev);
3295*4882a593Smuzhiyun
3296*4882a593Smuzhiyun priv->cru = dev_read_addr_ptr(dev);
3297*4882a593Smuzhiyun
3298*4882a593Smuzhiyun return 0;
3299*4882a593Smuzhiyun }
3300*4882a593Smuzhiyun
rk3568_clk_bind(struct udevice * dev)3301*4882a593Smuzhiyun static int rk3568_clk_bind(struct udevice *dev)
3302*4882a593Smuzhiyun {
3303*4882a593Smuzhiyun int ret;
3304*4882a593Smuzhiyun struct udevice *sys_child, *sf_child;
3305*4882a593Smuzhiyun struct sysreset_reg *priv;
3306*4882a593Smuzhiyun struct softreset_reg *sf_priv;
3307*4882a593Smuzhiyun
3308*4882a593Smuzhiyun /* The reset driver does not have a device node, so bind it here */
3309*4882a593Smuzhiyun ret = device_bind_driver(dev, "rockchip_sysreset", "sysreset",
3310*4882a593Smuzhiyun &sys_child);
3311*4882a593Smuzhiyun if (ret) {
3312*4882a593Smuzhiyun debug("Warning: No sysreset driver: ret=%d\n", ret);
3313*4882a593Smuzhiyun } else {
3314*4882a593Smuzhiyun priv = malloc(sizeof(struct sysreset_reg));
3315*4882a593Smuzhiyun priv->glb_srst_fst_value = offsetof(struct rk3568_cru,
3316*4882a593Smuzhiyun glb_srst_fst);
3317*4882a593Smuzhiyun priv->glb_srst_snd_value = offsetof(struct rk3568_cru,
3318*4882a593Smuzhiyun glb_srsr_snd);
3319*4882a593Smuzhiyun sys_child->priv = priv;
3320*4882a593Smuzhiyun }
3321*4882a593Smuzhiyun
3322*4882a593Smuzhiyun ret = device_bind_driver_to_node(dev, "rockchip_reset", "reset",
3323*4882a593Smuzhiyun dev_ofnode(dev), &sf_child);
3324*4882a593Smuzhiyun if (ret) {
3325*4882a593Smuzhiyun debug("Warning: No rockchip reset driver: ret=%d\n", ret);
3326*4882a593Smuzhiyun } else {
3327*4882a593Smuzhiyun sf_priv = malloc(sizeof(struct softreset_reg));
3328*4882a593Smuzhiyun sf_priv->sf_reset_offset = offsetof(struct rk3568_cru,
3329*4882a593Smuzhiyun softrst_con[0]);
3330*4882a593Smuzhiyun sf_priv->sf_reset_num = 30;
3331*4882a593Smuzhiyun sf_child->priv = sf_priv;
3332*4882a593Smuzhiyun }
3333*4882a593Smuzhiyun
3334*4882a593Smuzhiyun return 0;
3335*4882a593Smuzhiyun }
3336*4882a593Smuzhiyun
3337*4882a593Smuzhiyun static const struct udevice_id rk3568_clk_ids[] = {
3338*4882a593Smuzhiyun { .compatible = "rockchip,rk3568-cru" },
3339*4882a593Smuzhiyun { }
3340*4882a593Smuzhiyun };
3341*4882a593Smuzhiyun
3342*4882a593Smuzhiyun U_BOOT_DRIVER(rockchip_rk3568_cru) = {
3343*4882a593Smuzhiyun .name = "rockchip_rk3568_cru",
3344*4882a593Smuzhiyun .id = UCLASS_CLK,
3345*4882a593Smuzhiyun .of_match = rk3568_clk_ids,
3346*4882a593Smuzhiyun .priv_auto_alloc_size = sizeof(struct rk3568_clk_priv),
3347*4882a593Smuzhiyun .ofdata_to_platdata = rk3568_clk_ofdata_to_platdata,
3348*4882a593Smuzhiyun .ops = &rk3568_clk_ops,
3349*4882a593Smuzhiyun .bind = rk3568_clk_bind,
3350*4882a593Smuzhiyun .probe = rk3568_clk_probe,
3351*4882a593Smuzhiyun };
3352*4882a593Smuzhiyun
3353*4882a593Smuzhiyun #ifndef CONFIG_SPL_BUILD
3354*4882a593Smuzhiyun /**
3355*4882a593Smuzhiyun * soc_clk_dump() - Print clock frequencies
3356*4882a593Smuzhiyun * Returns zero on success
3357*4882a593Smuzhiyun *
3358*4882a593Smuzhiyun * Implementation for the clk dump command.
3359*4882a593Smuzhiyun */
soc_clk_dump(void)3360*4882a593Smuzhiyun int soc_clk_dump(void)
3361*4882a593Smuzhiyun {
3362*4882a593Smuzhiyun struct udevice *cru_dev, *pmucru_dev;
3363*4882a593Smuzhiyun struct rk3568_clk_priv *priv;
3364*4882a593Smuzhiyun const struct rk3568_clk_info *clk_dump;
3365*4882a593Smuzhiyun struct clk clk;
3366*4882a593Smuzhiyun unsigned long clk_count = ARRAY_SIZE(clks_dump);
3367*4882a593Smuzhiyun unsigned long rate;
3368*4882a593Smuzhiyun int i, ret;
3369*4882a593Smuzhiyun
3370*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_CLK,
3371*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_rk3568_cru),
3372*4882a593Smuzhiyun &cru_dev);
3373*4882a593Smuzhiyun if (ret) {
3374*4882a593Smuzhiyun printf("%s failed to get cru device\n", __func__);
3375*4882a593Smuzhiyun return ret;
3376*4882a593Smuzhiyun }
3377*4882a593Smuzhiyun
3378*4882a593Smuzhiyun ret = uclass_get_device_by_driver(UCLASS_CLK,
3379*4882a593Smuzhiyun DM_GET_DRIVER(rockchip_rk3568_pmucru),
3380*4882a593Smuzhiyun &pmucru_dev);
3381*4882a593Smuzhiyun if (ret) {
3382*4882a593Smuzhiyun printf("%s failed to get pmucru device\n", __func__);
3383*4882a593Smuzhiyun return ret;
3384*4882a593Smuzhiyun }
3385*4882a593Smuzhiyun
3386*4882a593Smuzhiyun priv = dev_get_priv(cru_dev);
3387*4882a593Smuzhiyun printf("CLK: (%s. arm: enter %lu KHz, init %lu KHz, kernel %lu%s)\n",
3388*4882a593Smuzhiyun priv->sync_kernel ? "sync kernel" : "uboot",
3389*4882a593Smuzhiyun priv->armclk_enter_hz / 1000,
3390*4882a593Smuzhiyun priv->armclk_init_hz / 1000,
3391*4882a593Smuzhiyun priv->set_armclk_rate ? priv->armclk_hz / 1000 : 0,
3392*4882a593Smuzhiyun priv->set_armclk_rate ? " KHz" : "N/A");
3393*4882a593Smuzhiyun for (i = 0; i < clk_count; i++) {
3394*4882a593Smuzhiyun clk_dump = &clks_dump[i];
3395*4882a593Smuzhiyun if (clk_dump->name) {
3396*4882a593Smuzhiyun clk.id = clk_dump->id;
3397*4882a593Smuzhiyun if (clk_dump->is_cru)
3398*4882a593Smuzhiyun ret = clk_request(cru_dev, &clk);
3399*4882a593Smuzhiyun else
3400*4882a593Smuzhiyun ret = clk_request(pmucru_dev, &clk);
3401*4882a593Smuzhiyun if (ret < 0)
3402*4882a593Smuzhiyun return ret;
3403*4882a593Smuzhiyun
3404*4882a593Smuzhiyun rate = clk_get_rate(&clk);
3405*4882a593Smuzhiyun clk_free(&clk);
3406*4882a593Smuzhiyun if (i == 0) {
3407*4882a593Smuzhiyun if (rate < 0)
3408*4882a593Smuzhiyun printf(" %s %s\n", clk_dump->name,
3409*4882a593Smuzhiyun "unknown");
3410*4882a593Smuzhiyun else
3411*4882a593Smuzhiyun printf(" %s %lu KHz\n", clk_dump->name,
3412*4882a593Smuzhiyun rate / 1000);
3413*4882a593Smuzhiyun } else {
3414*4882a593Smuzhiyun if (rate < 0)
3415*4882a593Smuzhiyun printf(" %s %s\n", clk_dump->name,
3416*4882a593Smuzhiyun "unknown");
3417*4882a593Smuzhiyun else
3418*4882a593Smuzhiyun printf(" %s %lu KHz\n", clk_dump->name,
3419*4882a593Smuzhiyun rate / 1000);
3420*4882a593Smuzhiyun }
3421*4882a593Smuzhiyun }
3422*4882a593Smuzhiyun }
3423*4882a593Smuzhiyun
3424*4882a593Smuzhiyun return 0;
3425*4882a593Smuzhiyun }
3426*4882a593Smuzhiyun #endif
3427