xref: /OK3568_Linux_fs/u-boot/drivers/pinctrl/rockchip/pinctrl-rv1126.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * (C) Copyright 2020 Rockchip Electronics Co., Ltd
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <common.h>
7*4882a593Smuzhiyun #include <dm.h>
8*4882a593Smuzhiyun #include <dm/pinctrl.h>
9*4882a593Smuzhiyun #include <regmap.h>
10*4882a593Smuzhiyun #include <syscon.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include "pinctrl-rockchip.h"
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = {
15*4882a593Smuzhiyun 	{
16*4882a593Smuzhiyun 		.num = 0,
17*4882a593Smuzhiyun 		.pin = 20,
18*4882a593Smuzhiyun 		.reg = 0x10000,
19*4882a593Smuzhiyun 		.bit = 0,
20*4882a593Smuzhiyun 		.mask = 0xf
21*4882a593Smuzhiyun 	},
22*4882a593Smuzhiyun 	{
23*4882a593Smuzhiyun 		.num = 0,
24*4882a593Smuzhiyun 		.pin = 21,
25*4882a593Smuzhiyun 		.reg = 0x10000,
26*4882a593Smuzhiyun 		.bit = 4,
27*4882a593Smuzhiyun 		.mask = 0xf
28*4882a593Smuzhiyun 	},
29*4882a593Smuzhiyun 	{
30*4882a593Smuzhiyun 		.num = 0,
31*4882a593Smuzhiyun 		.pin = 22,
32*4882a593Smuzhiyun 		.reg = 0x10000,
33*4882a593Smuzhiyun 		.bit = 8,
34*4882a593Smuzhiyun 		.mask = 0xf
35*4882a593Smuzhiyun 	},
36*4882a593Smuzhiyun 	{
37*4882a593Smuzhiyun 		.num = 0,
38*4882a593Smuzhiyun 		.pin = 23,
39*4882a593Smuzhiyun 		.reg = 0x10000,
40*4882a593Smuzhiyun 		.bit = 12,
41*4882a593Smuzhiyun 		.mask = 0xf
42*4882a593Smuzhiyun 	},
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun static struct rockchip_mux_route_data rv1126_mux_route_data[] = {
46*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x10260, RK_GENMASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */
47*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PB0, RK_FUNC_3, 0x10260, RK_GENMASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO0, RK_PD4, RK_FUNC_4, 0x10260, RK_GENMASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */
50*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_2, 0x10260, RK_GENMASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */
51*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PC7, RK_FUNC_6, 0x10260, RK_GENMASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PD0, RK_FUNC_1, 0x10260, RK_GENMASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */
54*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PB3, RK_FUNC_2, 0x10260, RK_GENMASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PD4, RK_FUNC_2, 0x10260, RK_GENMASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */
57*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PC0, RK_FUNC_3, 0x10260, RK_GENMASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_1, 0x10264, RK_GENMASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */
60*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD1, RK_FUNC_3, 0x10264, RK_GENMASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA4, RK_FUNC_5, 0x10264, RK_GENMASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */
63*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD4, RK_FUNC_7, 0x10264, RK_GENMASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */
64*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PD6, RK_FUNC_3, 0x10264, RK_GENMASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_7, 0x10264, RK_GENMASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */
67*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO4, RK_PA0, RK_FUNC_4, 0x10264, RK_GENMASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PA5, RK_FUNC_7, 0x10264, RK_GENMASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */
70*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PB0, RK_FUNC_5, 0x10264, RK_GENMASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */
71*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PD0, RK_FUNC_4, 0x10264, RK_GENMASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PC0, RK_FUNC_5, 0x10264, RK_GENMASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */
74*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PC6, RK_FUNC_3, 0x10264, RK_GENMASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */
75*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD5, RK_FUNC_6, 0x10264, RK_GENMASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */
76*4882a593Smuzhiyun 
77*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PC0, RK_FUNC_2, 0x10264, RK_GENMASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */
78*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PB7, RK_FUNC_2, 0x10264, RK_GENMASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */
79*4882a593Smuzhiyun 
80*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA1, RK_FUNC_3, 0x10264, RK_GENMASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */
81*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA7, RK_FUNC_5, 0x10264, RK_GENMASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */
82*4882a593Smuzhiyun 
83*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA4, RK_FUNC_6, 0x10268, RK_GENMASK_VAL(0, 0, 0)), /* PWM8_M0 */
84*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD7, RK_FUNC_5, 0x10268, RK_GENMASK_VAL(0, 0, 1)), /* PWM8_M1 */
85*4882a593Smuzhiyun 
86*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA5, RK_FUNC_6, 0x10268, RK_GENMASK_VAL(2, 2, 0)), /* PWM9_M0 */
87*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD6, RK_FUNC_5, 0x10268, RK_GENMASK_VAL(2, 2, 1)), /* PWM9_M1 */
88*4882a593Smuzhiyun 
89*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA6, RK_FUNC_6, 0x10268, RK_GENMASK_VAL(4, 4, 0)), /* PWM10_M0 */
90*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PD5, RK_FUNC_5, 0x10268, RK_GENMASK_VAL(4, 4, 1)), /* PWM10_M1 */
91*4882a593Smuzhiyun 
92*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA7, RK_FUNC_6, 0x10268, RK_GENMASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */
93*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA1, RK_FUNC_5, 0x10268, RK_GENMASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */
94*4882a593Smuzhiyun 
95*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PA5, RK_FUNC_3, 0x10268, RK_GENMASK_VAL(8, 8, 0)), /* UART2_TX_M0 */
96*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA2, RK_FUNC_1, 0x10268, RK_GENMASK_VAL(8, 8, 1)), /* UART2_TX_M1 */
97*4882a593Smuzhiyun 
98*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_3, 0x10268, RK_GENMASK_VAL(11, 10, 0)), /* UART3_TX_M0 */
99*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PA7, RK_FUNC_2, 0x10268, RK_GENMASK_VAL(11, 10, 1)), /* UART3_TX_M1 */
100*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_4, 0x10268, RK_GENMASK_VAL(11, 10, 2)), /* UART3_TX_M2 */
101*4882a593Smuzhiyun 
102*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA4, RK_FUNC_4, 0x10268, RK_GENMASK_VAL(13, 12, 0)), /* UART4_TX_M0 */
103*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PA6, RK_FUNC_4, 0x10268, RK_GENMASK_VAL(13, 12, 1)), /* UART4_TX_M1 */
104*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_3, 0x10268, RK_GENMASK_VAL(13, 12, 2)), /* UART4_TX_M2 */
105*4882a593Smuzhiyun 
106*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO3, RK_PA6, RK_FUNC_4, 0x10268, RK_GENMASK_VAL(15, 14, 0)), /* UART5_TX_M0 */
107*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PB0, RK_FUNC_4, 0x10268, RK_GENMASK_VAL(15, 14, 1)), /* UART5_TX_M1 */
108*4882a593Smuzhiyun 	MR_TOPGRF(RK_GPIO2, RK_PA0, RK_FUNC_3, 0x10268, RK_GENMASK_VAL(15, 14, 2)), /* UART5_TX_M2 */
109*4882a593Smuzhiyun 
110*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB6, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(0, 0, 0)), /* PWM0_M0 */
111*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PB3, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(0, 0, 1)), /* PWM0_M1 */
112*4882a593Smuzhiyun 
113*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB7, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(2, 2, 0)), /* PWM1_M0 */
114*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PB2, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(2, 2, 1)), /* PWM1_M1 */
115*4882a593Smuzhiyun 
116*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PC0, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(4, 4, 0)), /* PWM2_M0 */
117*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PB1, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(4, 4, 1)), /* PWM2_M1 */
118*4882a593Smuzhiyun 
119*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PC1, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */
120*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PB0, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */
121*4882a593Smuzhiyun 
122*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PC2, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(8, 8, 0)), /* PWM4_M0 */
123*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PA7, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(8, 8, 1)), /* PWM4_M1 */
124*4882a593Smuzhiyun 
125*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PC3, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(10, 10, 0)), /* PWM5_M0 */
126*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PA6, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(10, 10, 1)), /* PWM5_M1 */
127*4882a593Smuzhiyun 
128*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB2, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(12, 12, 0)), /* PWM6_M0 */
129*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PD4, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(12, 12, 1)), /* PWM6_M1 */
130*4882a593Smuzhiyun 
131*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB1, RK_FUNC_3, 0x0114, RK_GENMASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */
132*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO3, RK_PA0, RK_FUNC_5, 0x0114, RK_GENMASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */
133*4882a593Smuzhiyun 
134*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB0, RK_FUNC_1, 0x0118, RK_GENMASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */
135*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PA1, RK_FUNC_1, 0x0118, RK_GENMASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */
136*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO2, RK_PB2, RK_FUNC_6, 0x0118, RK_GENMASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */
137*4882a593Smuzhiyun 
138*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PB6, RK_FUNC_2, 0x0118, RK_GENMASK_VAL(2, 2, 0)), /* UART1_TX_M0 */
139*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO1, RK_PD0, RK_FUNC_5, 0x0118, RK_GENMASK_VAL(2, 2, 1)), /* UART1_TX_M1 */
140*4882a593Smuzhiyun 	MR_PMUGRF(RK_GPIO0, RK_PC3, RK_FUNC_1, 0x0118, RK_GENMASK_VAL(4, 4, 1)), /* I2C2 */
141*4882a593Smuzhiyun };
142*4882a593Smuzhiyun 
rv1126_set_mux(struct rockchip_pin_bank * bank,int pin,int mux)143*4882a593Smuzhiyun static int rv1126_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
144*4882a593Smuzhiyun {
145*4882a593Smuzhiyun 	struct rockchip_pinctrl_priv *priv = bank->priv;
146*4882a593Smuzhiyun 	int iomux_num = (pin / 8);
147*4882a593Smuzhiyun 	struct regmap *regmap;
148*4882a593Smuzhiyun 	int reg, ret, mask, mux_type;
149*4882a593Smuzhiyun 	u8 bit;
150*4882a593Smuzhiyun 	u32 data;
151*4882a593Smuzhiyun 
152*4882a593Smuzhiyun 	debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
153*4882a593Smuzhiyun 
154*4882a593Smuzhiyun 	if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
155*4882a593Smuzhiyun 		regmap = priv->regmap_pmu;
156*4882a593Smuzhiyun 	else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU)
157*4882a593Smuzhiyun 		regmap = (pin % 8 < 4) ? priv->regmap_pmu : priv->regmap_base;
158*4882a593Smuzhiyun 	else
159*4882a593Smuzhiyun 		regmap = priv->regmap_base;
160*4882a593Smuzhiyun 
161*4882a593Smuzhiyun 	/* get basic quadrupel of mux registers and the correct reg inside */
162*4882a593Smuzhiyun 	mux_type = bank->iomux[iomux_num].type;
163*4882a593Smuzhiyun 	reg = bank->iomux[iomux_num].offset;
164*4882a593Smuzhiyun 	if (mux_type & IOMUX_WIDTH_4BIT) {
165*4882a593Smuzhiyun 		if ((pin % 8) >= 4)
166*4882a593Smuzhiyun 			reg += 0x4;
167*4882a593Smuzhiyun 		bit = (pin % 4) * 4;
168*4882a593Smuzhiyun 		mask = 0xf;
169*4882a593Smuzhiyun 	} else {
170*4882a593Smuzhiyun 		bit = (pin % 8) * 2;
171*4882a593Smuzhiyun 		mask = 0x3;
172*4882a593Smuzhiyun 	}
173*4882a593Smuzhiyun 
174*4882a593Smuzhiyun 	if (bank->recalced_mask & BIT(pin))
175*4882a593Smuzhiyun 		rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
176*4882a593Smuzhiyun 
177*4882a593Smuzhiyun 	data = (mask << (bit + 16));
178*4882a593Smuzhiyun 	data |= (mux & mask) << bit;
179*4882a593Smuzhiyun 	ret = regmap_write(regmap, reg, data);
180*4882a593Smuzhiyun 
181*4882a593Smuzhiyun 	return ret;
182*4882a593Smuzhiyun }
183*4882a593Smuzhiyun 
184*4882a593Smuzhiyun #define RV1126_PULL_PMU_OFFSET		0x40
185*4882a593Smuzhiyun #define RV1126_PULL_GRF_GPIO1A0_OFFSET		0x10108
186*4882a593Smuzhiyun #define RV1126_PULL_PINS_PER_REG	8
187*4882a593Smuzhiyun #define RV1126_PULL_BITS_PER_PIN	2
188*4882a593Smuzhiyun #define RV1126_PULL_BANK_STRIDE		16
189*4882a593Smuzhiyun #define RV1126_GPIO_C4_D7(p)	(p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */
190*4882a593Smuzhiyun 
rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)191*4882a593Smuzhiyun static void rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
192*4882a593Smuzhiyun 					 int pin_num, struct regmap **regmap,
193*4882a593Smuzhiyun 					 int *reg, u8 *bit)
194*4882a593Smuzhiyun {
195*4882a593Smuzhiyun 	struct rockchip_pinctrl_priv *priv = bank->priv;
196*4882a593Smuzhiyun 
197*4882a593Smuzhiyun 	/* The first 24 pins of the first bank are located in PMU */
198*4882a593Smuzhiyun 	if (bank->bank_num == 0) {
199*4882a593Smuzhiyun 		if (RV1126_GPIO_C4_D7(pin_num)) {
200*4882a593Smuzhiyun 			*regmap = priv->regmap_base;
201*4882a593Smuzhiyun 			*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
202*4882a593Smuzhiyun 			*reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4);
203*4882a593Smuzhiyun 			*bit = pin_num % RV1126_PULL_PINS_PER_REG;
204*4882a593Smuzhiyun 			*bit *= RV1126_PULL_BITS_PER_PIN;
205*4882a593Smuzhiyun 			return;
206*4882a593Smuzhiyun 		}
207*4882a593Smuzhiyun 		*regmap = priv->regmap_pmu;
208*4882a593Smuzhiyun 		*reg = RV1126_PULL_PMU_OFFSET;
209*4882a593Smuzhiyun 	} else {
210*4882a593Smuzhiyun 		*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
211*4882a593Smuzhiyun 		*regmap = priv->regmap_base;
212*4882a593Smuzhiyun 		*reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE;
213*4882a593Smuzhiyun 	}
214*4882a593Smuzhiyun 
215*4882a593Smuzhiyun 	*reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4);
216*4882a593Smuzhiyun 	*bit = (pin_num % RV1126_PULL_PINS_PER_REG);
217*4882a593Smuzhiyun 	*bit *= RV1126_PULL_BITS_PER_PIN;
218*4882a593Smuzhiyun }
219*4882a593Smuzhiyun 
rv1126_set_pull(struct rockchip_pin_bank * bank,int pin_num,int pull)220*4882a593Smuzhiyun static int rv1126_set_pull(struct rockchip_pin_bank *bank,
221*4882a593Smuzhiyun 			   int pin_num, int pull)
222*4882a593Smuzhiyun {
223*4882a593Smuzhiyun 	struct regmap *regmap;
224*4882a593Smuzhiyun 	int reg, ret;
225*4882a593Smuzhiyun 	u8 bit, type;
226*4882a593Smuzhiyun 	u32 data;
227*4882a593Smuzhiyun 
228*4882a593Smuzhiyun 	if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT)
229*4882a593Smuzhiyun 		return -ENOTSUPP;
230*4882a593Smuzhiyun 
231*4882a593Smuzhiyun 	rv1126_calc_pull_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
232*4882a593Smuzhiyun 	type = bank->pull_type[pin_num / 8];
233*4882a593Smuzhiyun 	ret = rockchip_translate_pull_value(type, pull);
234*4882a593Smuzhiyun 	if (ret < 0) {
235*4882a593Smuzhiyun 		debug("unsupported pull setting %d\n", pull);
236*4882a593Smuzhiyun 		return ret;
237*4882a593Smuzhiyun 	}
238*4882a593Smuzhiyun 
239*4882a593Smuzhiyun 	/* enable the write to the equivalent lower bits */
240*4882a593Smuzhiyun 	data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
241*4882a593Smuzhiyun 
242*4882a593Smuzhiyun 	data |= (ret << bit);
243*4882a593Smuzhiyun 	ret = regmap_write(regmap, reg, data);
244*4882a593Smuzhiyun 
245*4882a593Smuzhiyun 	return ret;
246*4882a593Smuzhiyun }
247*4882a593Smuzhiyun 
248*4882a593Smuzhiyun #define RV1126_DRV_PMU_OFFSET		0x20
249*4882a593Smuzhiyun #define RV1126_DRV_GRF_GPIO1A0_OFFSET		0x10090
250*4882a593Smuzhiyun #define RV1126_DRV_BITS_PER_PIN		4
251*4882a593Smuzhiyun #define RV1126_DRV_PINS_PER_REG		4
252*4882a593Smuzhiyun #define RV1126_DRV_BANK_STRIDE		32
253*4882a593Smuzhiyun 
rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)254*4882a593Smuzhiyun static void rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
255*4882a593Smuzhiyun 					int pin_num, struct regmap **regmap,
256*4882a593Smuzhiyun 					int *reg, u8 *bit)
257*4882a593Smuzhiyun {
258*4882a593Smuzhiyun 	struct rockchip_pinctrl_priv *priv = bank->priv;
259*4882a593Smuzhiyun 
260*4882a593Smuzhiyun 	/* The first 24 pins of the first bank are located in PMU */
261*4882a593Smuzhiyun 	if (bank->bank_num == 0) {
262*4882a593Smuzhiyun 		if (RV1126_GPIO_C4_D7(pin_num)) {
263*4882a593Smuzhiyun 			*regmap = priv->regmap_base;
264*4882a593Smuzhiyun 			*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
265*4882a593Smuzhiyun 			*reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4);
266*4882a593Smuzhiyun 			*reg -= 0x4;
267*4882a593Smuzhiyun 			*bit = pin_num % RV1126_DRV_PINS_PER_REG;
268*4882a593Smuzhiyun 			*bit *= RV1126_DRV_BITS_PER_PIN;
269*4882a593Smuzhiyun 			return;
270*4882a593Smuzhiyun 		}
271*4882a593Smuzhiyun 		*regmap = priv->regmap_pmu;
272*4882a593Smuzhiyun 		*reg = RV1126_DRV_PMU_OFFSET;
273*4882a593Smuzhiyun 	} else {
274*4882a593Smuzhiyun 		*regmap = priv->regmap_base;
275*4882a593Smuzhiyun 		*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
276*4882a593Smuzhiyun 		*reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE;
277*4882a593Smuzhiyun 	}
278*4882a593Smuzhiyun 
279*4882a593Smuzhiyun 	*reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4);
280*4882a593Smuzhiyun 	*bit = pin_num % RV1126_DRV_PINS_PER_REG;
281*4882a593Smuzhiyun 	*bit *= RV1126_DRV_BITS_PER_PIN;
282*4882a593Smuzhiyun }
283*4882a593Smuzhiyun 
rv1126_set_drive(struct rockchip_pin_bank * bank,int pin_num,int strength)284*4882a593Smuzhiyun static int rv1126_set_drive(struct rockchip_pin_bank *bank,
285*4882a593Smuzhiyun 			    int pin_num, int strength)
286*4882a593Smuzhiyun {
287*4882a593Smuzhiyun 	struct regmap *regmap;
288*4882a593Smuzhiyun 	int reg;
289*4882a593Smuzhiyun 	u32 data;
290*4882a593Smuzhiyun 	u8 bit;
291*4882a593Smuzhiyun 
292*4882a593Smuzhiyun 	rv1126_calc_drv_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
293*4882a593Smuzhiyun 
294*4882a593Smuzhiyun 	/* enable the write to the equivalent lower bits */
295*4882a593Smuzhiyun 	data = ((1 << ROCKCHIP_DRV_BITS_PER_PIN) - 1) << (bit + 16);
296*4882a593Smuzhiyun 	data |= (strength << bit);
297*4882a593Smuzhiyun 
298*4882a593Smuzhiyun 	return regmap_write(regmap, reg, data);
299*4882a593Smuzhiyun }
300*4882a593Smuzhiyun 
301*4882a593Smuzhiyun #define RV1126_SCHMITT_PMU_OFFSET		0x60
302*4882a593Smuzhiyun #define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET		0x10188
303*4882a593Smuzhiyun #define RV1126_SCHMITT_BANK_STRIDE		16
304*4882a593Smuzhiyun #define RV1126_SCHMITT_PINS_PER_GRF_REG		8
305*4882a593Smuzhiyun #define RV1126_SCHMITT_PINS_PER_PMU_REG		8
306*4882a593Smuzhiyun 
rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank * bank,int pin_num,struct regmap ** regmap,int * reg,u8 * bit)307*4882a593Smuzhiyun static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
308*4882a593Smuzhiyun 					   int pin_num,
309*4882a593Smuzhiyun 					   struct regmap **regmap,
310*4882a593Smuzhiyun 					   int *reg, u8 *bit)
311*4882a593Smuzhiyun {
312*4882a593Smuzhiyun 	struct rockchip_pinctrl_priv *priv = bank->priv;
313*4882a593Smuzhiyun 	int pins_per_reg;
314*4882a593Smuzhiyun 
315*4882a593Smuzhiyun 	if (bank->bank_num == 0) {
316*4882a593Smuzhiyun 		if (RV1126_GPIO_C4_D7(pin_num)) {
317*4882a593Smuzhiyun 			*regmap = priv->regmap_base;
318*4882a593Smuzhiyun 			*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
319*4882a593Smuzhiyun 			*reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4);
320*4882a593Smuzhiyun 			*bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG;
321*4882a593Smuzhiyun 			return 0;
322*4882a593Smuzhiyun 		}
323*4882a593Smuzhiyun 		*regmap = priv->regmap_pmu;
324*4882a593Smuzhiyun 		*reg = RV1126_SCHMITT_PMU_OFFSET;
325*4882a593Smuzhiyun 		pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG;
326*4882a593Smuzhiyun 	} else {
327*4882a593Smuzhiyun 		*regmap = priv->regmap_base;
328*4882a593Smuzhiyun 		*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
329*4882a593Smuzhiyun 		pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG;
330*4882a593Smuzhiyun 		*reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE;
331*4882a593Smuzhiyun 	}
332*4882a593Smuzhiyun 	*reg += ((pin_num / pins_per_reg) * 4);
333*4882a593Smuzhiyun 	*bit = pin_num % pins_per_reg;
334*4882a593Smuzhiyun 
335*4882a593Smuzhiyun 	return 0;
336*4882a593Smuzhiyun }
337*4882a593Smuzhiyun 
rv1126_set_schmitt(struct rockchip_pin_bank * bank,int pin_num,int enable)338*4882a593Smuzhiyun static int rv1126_set_schmitt(struct rockchip_pin_bank *bank,
339*4882a593Smuzhiyun 			      int pin_num, int enable)
340*4882a593Smuzhiyun {
341*4882a593Smuzhiyun 	struct regmap *regmap;
342*4882a593Smuzhiyun 	int reg;
343*4882a593Smuzhiyun 	u8 bit;
344*4882a593Smuzhiyun 	u32 data;
345*4882a593Smuzhiyun 
346*4882a593Smuzhiyun 	rv1126_calc_schmitt_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
347*4882a593Smuzhiyun 	/* enable the write to the equivalent lower bits */
348*4882a593Smuzhiyun 	data = BIT(bit + 16) | (enable << bit);
349*4882a593Smuzhiyun 
350*4882a593Smuzhiyun 	return regmap_write(regmap, reg, data);
351*4882a593Smuzhiyun }
352*4882a593Smuzhiyun 
353*4882a593Smuzhiyun static struct rockchip_pin_bank rv1126_pin_banks[] = {
354*4882a593Smuzhiyun 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0",
355*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
356*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
357*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU,
358*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT),
359*4882a593Smuzhiyun 	PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1",
360*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
361*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
362*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
363*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
364*4882a593Smuzhiyun 			     0x10010, 0x10018, 0x10020, 0x10028),
365*4882a593Smuzhiyun 	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2",
366*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
367*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
368*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
369*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT),
370*4882a593Smuzhiyun 	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
371*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
372*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
373*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT,
374*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT),
375*4882a593Smuzhiyun 	PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4",
376*4882a593Smuzhiyun 			     IOMUX_WIDTH_4BIT, 0, 0, 0),
377*4882a593Smuzhiyun };
378*4882a593Smuzhiyun 
379*4882a593Smuzhiyun static const struct rockchip_pin_ctrl rv1126_pin_ctrl = {
380*4882a593Smuzhiyun 	.pin_banks		= rv1126_pin_banks,
381*4882a593Smuzhiyun 	.nr_banks		= ARRAY_SIZE(rv1126_pin_banks),
382*4882a593Smuzhiyun 	.nr_pins		= 130,
383*4882a593Smuzhiyun 	.grf_mux_offset		= 0x10004, /* mux offset from GPIO0_D0 */
384*4882a593Smuzhiyun 	.pmu_mux_offset		= 0x0,
385*4882a593Smuzhiyun 	.iomux_routes		= rv1126_mux_route_data,
386*4882a593Smuzhiyun 	.niomux_routes		= ARRAY_SIZE(rv1126_mux_route_data),
387*4882a593Smuzhiyun 	.iomux_recalced		= rv1126_mux_recalced_data,
388*4882a593Smuzhiyun 	.niomux_recalced	= ARRAY_SIZE(rv1126_mux_recalced_data),
389*4882a593Smuzhiyun 	.set_mux		= rv1126_set_mux,
390*4882a593Smuzhiyun 	.set_pull		= rv1126_set_pull,
391*4882a593Smuzhiyun 	.set_drive		= rv1126_set_drive,
392*4882a593Smuzhiyun 	.set_schmitt		= rv1126_set_schmitt,
393*4882a593Smuzhiyun };
394*4882a593Smuzhiyun 
395*4882a593Smuzhiyun static const struct udevice_id rv1126_pinctrl_ids[] = {
396*4882a593Smuzhiyun 	{
397*4882a593Smuzhiyun 		.compatible = "rockchip,rv1126-pinctrl",
398*4882a593Smuzhiyun 		.data = (ulong)&rv1126_pin_ctrl
399*4882a593Smuzhiyun 	},
400*4882a593Smuzhiyun 	{ }
401*4882a593Smuzhiyun };
402*4882a593Smuzhiyun 
403*4882a593Smuzhiyun U_BOOT_DRIVER(pinctrl_rv1126) = {
404*4882a593Smuzhiyun 	.name		= "rockchip_rv1126_pinctrl",
405*4882a593Smuzhiyun 	.id		= UCLASS_PINCTRL,
406*4882a593Smuzhiyun 	.of_match	= rv1126_pinctrl_ids,
407*4882a593Smuzhiyun 	.priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
408*4882a593Smuzhiyun 	.ops		= &rockchip_pinctrl_ops,
409*4882a593Smuzhiyun #if !CONFIG_IS_ENABLED(OF_PLATDATA)
410*4882a593Smuzhiyun 	.bind		= dm_scan_fdt_dev,
411*4882a593Smuzhiyun #endif
412*4882a593Smuzhiyun 	.probe		= rockchip_pinctrl_probe,
413*4882a593Smuzhiyun };
414