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/OK3568_Linux_fs/kernel/drivers/clk/ti/
H A Ddivider.c2 * TI Divider Clock
40 static void _setup_mask(struct clk_omap_divider *divider) in _setup_mask() argument
46 if (divider->table) { in _setup_mask()
49 for (clkt = divider->table; clkt->div; clkt++) in _setup_mask()
53 max_val = divider->max; in _setup_mask()
55 if (!(divider->flags & CLK_DIVIDER_ONE_BASED) && in _setup_mask()
56 !(divider->flags & CLK_DIVIDER_POWER_OF_TWO)) in _setup_mask()
60 if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) in _setup_mask()
65 divider->mask = (1 << fls(mask)) - 1; in _setup_mask()
68 static unsigned int _get_div(struct clk_omap_divider *divider, unsigned int val) in _get_div() argument
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/OK3568_Linux_fs/kernel/drivers/clk/tegra/
H A Dclk-divider.c21 static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate, in get_div() argument
26 div = div_frac_get(rate, parent_rate, divider->width, in get_div()
27 divider->frac_width, divider->flags); in get_div()
38 struct tegra_clk_frac_div *divider = to_clk_frac_div(hw); in clk_frac_div_recalc_rate() local
43 reg = readl_relaxed(divider->reg); in clk_frac_div_recalc_rate()
45 if ((divider->flags & TEGRA_DIVIDER_UART) && in clk_frac_div_recalc_rate()
49 div = (reg >> divider->shift) & div_mask(divider); in clk_frac_div_recalc_rate()
51 mul = get_mul(divider); in clk_frac_div_recalc_rate()
64 struct tegra_clk_frac_div *divider = to_clk_frac_div(hw); in clk_frac_div_round_rate() local
71 div = get_div(divider, rate, output_rate); in clk_frac_div_round_rate()
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H A Dclk.h95 * struct tegra_clk_frac_div - fractional divider clock
98 * @reg: register containing divider
100 * @shift: shift to the divider bit field
101 * @width: width of the divider bit field
106 * TEGRA_DIVIDER_ROUND_UP - This flags indicates to round up the divider value.
108 * flag indicates that this divider is for fixed rate PLL.
110 * fraction bit is set. This flags indicates to calculate divider for which
112 * TEGRA_DIVIDER_UART - UART module divider has additional enable bit which is
113 * set when divider value is not 0. This flags indicates that the divider
158 * @n: feedback divider
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/OK3568_Linux_fs/kernel/drivers/clk/baikal-t1/
H A Dccu-div.h17 * CCU Divider private clock IDs
25 * CCU Divider private flags
26 * @CCU_DIV_SKIP_ONE: Due to some reason divider can't be set to 1.
28 * @CCU_DIV_SKIP_ONE_TO_THREE: For some reason divider can't be within [1,3].
39 * enum ccu_div_type - CCU Divider types
40 * @CCU_DIV_VAR: Clocks gate with variable divider.
41 * @CCU_DIV_GATE: Clocks gate with fixed divider.
42 * @CCU_DIV_BUF: Clock gate with no divider.
43 * @CCU_DIV_FIXED: Ungateable clock with fixed divider.
53 * struct ccu_div_init_data - CCU Divider initialization data
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H A Dccu-div.c79 unsigned long divider) in ccu_div_var_update_clkdiv() argument
86 nd = ccu_div_lock_delay_ns(parent_rate, divider); in ccu_div_var_update_clkdiv()
136 pr_err("Divider '%s' lock timed out\n", clk_hw_get_name(hw)); in ccu_div_var_enable()
212 unsigned long divider; in ccu_div_var_recalc_rate() local
216 divider = ccu_div_get(div->mask, val); in ccu_div_var_recalc_rate()
218 return ccu_div_calc_freq(parent_rate, divider); in ccu_div_var_recalc_rate()
225 unsigned long divider; in ccu_div_var_calc_divider() local
227 divider = parent_rate / rate; in ccu_div_var_calc_divider()
228 return clamp_t(unsigned long, divider, CCU_DIV_CLKDIV_MIN, in ccu_div_var_calc_divider()
236 unsigned long divider; in ccu_div_var_round_rate() local
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/OK3568_Linux_fs/kernel/drivers/clk/rockchip/regmap/
H A Dclk-regmap-divider.c4 * Base on code in drivers/clk/clk-divider.c.
5 * See clk-divider.c for further copyright information.
28 struct clk_regmap_divider *divider = to_clk_regmap_divider(hw); in clk_regmap_divider_recalc_rate() local
31 regmap_read(divider->regmap, divider->reg, &val); in clk_regmap_divider_recalc_rate()
33 div = val >> divider->shift; in clk_regmap_divider_recalc_rate()
34 div &= div_mask(divider->width); in clk_regmap_divider_recalc_rate()
37 CLK_DIVIDER_ROUND_CLOSEST, divider->width); in clk_regmap_divider_recalc_rate()
44 struct clk_regmap_divider *divider = to_clk_regmap_divider(hw); in clk_regmap_divider_round_rate() local
46 return divider_round_rate(hw, rate, prate, NULL, divider->width, in clk_regmap_divider_round_rate()
68 struct clk_regmap_divider *divider = to_clk_regmap_divider(hw); in clk_regmap_divider_set_rate() local
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/OK3568_Linux_fs/kernel/drivers/clk/mvebu/
H A Ddove-divider.c3 * Marvell Dove PMU Core PLL divider driver
15 #include "dove-divider.h"
53 unsigned int divider; in dove_get_divider() local
59 divider = val & ~(~0 << dc->div_bit_size); in dove_get_divider()
62 divider = dc->divider_table[divider]; in dove_get_divider()
64 return divider; in dove_get_divider()
70 unsigned int divider, max; in dove_calc_divider() local
72 divider = DIV_ROUND_CLOSEST(parent_rate, rate); in dove_calc_divider()
78 if (divider == dc->divider_table[i]) { in dove_calc_divider()
79 divider = i; in dove_calc_divider()
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/OK3568_Linux_fs/kernel/drivers/clk/zynqmp/
H A Ddivider.c3 * Zynq UltraScale+ MPSoC Divider support
7 * Adjustable divider clock implementation
16 * DOC: basic adjustable divider clock that cannot gate
32 * struct zynqmp_clk_divider - adjustable divider clock
35 * @is_frac: The divider is a fractional divider
72 * zynqmp_clk_divider_recalc_rate() - Recalc rate of divider clock
81 struct zynqmp_clk_divider *divider = to_zynqmp_clk_divider(hw); in zynqmp_clk_divider_recalc_rate() local
83 u32 clk_id = divider->clk_id; in zynqmp_clk_divider_recalc_rate()
84 u32 div_type = divider->div_type; in zynqmp_clk_divider_recalc_rate()
91 pr_warn_once("%s() get divider failed for %s, ret = %d\n", in zynqmp_clk_divider_recalc_rate()
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/OK3568_Linux_fs/kernel/drivers/clk/
H A Dclk-divider.c7 * Adjustable divider clock implementation
19 * DOC: basic adjustable divider clock that cannot gate
28 static inline u32 clk_div_readl(struct clk_divider *divider) in clk_div_readl() argument
30 if (divider->flags & CLK_DIVIDER_BIG_ENDIAN) in clk_div_readl()
31 return ioread32be(divider->reg); in clk_div_readl()
33 return readl(divider->reg); in clk_div_readl()
36 static inline void clk_div_writel(struct clk_divider *divider, u32 val) in clk_div_writel() argument
38 if (divider->flags & CLK_DIVIDER_BIG_ENDIAN) in clk_div_writel()
39 iowrite32be(val, divider->reg); in clk_div_writel()
41 writel(val, divider->reg); in clk_div_writel()
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H A Dclk-milbeaut.c379 struct m10v_clk_divider *divider = to_m10v_div(hw); in m10v_clk_divider_recalc_rate() local
382 val = readl(divider->reg) >> divider->shift; in m10v_clk_divider_recalc_rate()
383 val &= clk_div_mask(divider->width); in m10v_clk_divider_recalc_rate()
385 return divider_recalc_rate(hw, parent_rate, val, divider->table, in m10v_clk_divider_recalc_rate()
386 divider->flags, divider->width); in m10v_clk_divider_recalc_rate()
392 struct m10v_clk_divider *divider = to_m10v_div(hw); in m10v_clk_divider_round_rate() local
395 if (divider->flags & CLK_DIVIDER_READ_ONLY) { in m10v_clk_divider_round_rate()
398 val = readl(divider->reg) >> divider->shift; in m10v_clk_divider_round_rate()
399 val &= clk_div_mask(divider->width); in m10v_clk_divider_round_rate()
401 return divider_ro_round_rate(hw, rate, prate, divider->table, in m10v_clk_divider_round_rate()
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/OK3568_Linux_fs/kernel/drivers/clk/qcom/
H A Dclk-regmap-divider.c11 #include "clk-regmap-divider.h"
21 struct clk_regmap_div *divider = to_clk_regmap_div(hw); in div_round_ro_rate() local
22 struct clk_regmap *clkr = &divider->clkr; in div_round_ro_rate()
25 regmap_read(clkr->regmap, divider->reg, &val); in div_round_ro_rate()
26 val >>= divider->shift; in div_round_ro_rate()
27 val &= BIT(divider->width) - 1; in div_round_ro_rate()
29 return divider_ro_round_rate(hw, rate, prate, NULL, divider->width, in div_round_ro_rate()
36 struct clk_regmap_div *divider = to_clk_regmap_div(hw); in div_round_rate() local
38 return divider_round_rate(hw, rate, prate, NULL, divider->width, in div_round_rate()
45 struct clk_regmap_div *divider = to_clk_regmap_div(hw); in div_set_rate() local
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/OK3568_Linux_fs/kernel/drivers/clk/rockchip/
H A Dclk-dclk-divider.c18 struct clk_divider *divider = to_clk_divider(hw); in clk_dclk_recalc_rate() local
21 val = clk_readl(divider->reg) >> divider->shift; in clk_dclk_recalc_rate()
22 val &= div_mask(divider->width); in clk_dclk_recalc_rate()
30 struct clk_divider *divider = to_clk_divider(hw); in clk_dclk_round_rate() local
31 int div, maxdiv = div_mask(divider->width) + 1; in clk_dclk_round_rate()
33 div = DIV_ROUND_UP_ULL(divider->max_prate, rate); in clk_dclk_round_rate()
44 struct clk_divider *divider = to_clk_divider(hw); in clk_dclk_set_rate() local
49 value = divider_get_val(rate, parent_rate, divider->table, in clk_dclk_set_rate()
50 divider->width, divider->flags); in clk_dclk_set_rate()
52 if (divider->lock) in clk_dclk_set_rate()
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H A Dclk-half-divider.c25 struct clk_divider *divider = to_clk_divider(hw); in clk_half_divider_recalc_rate() local
28 val = readl(divider->reg) >> divider->shift; in clk_half_divider_recalc_rate()
29 val &= div_mask(divider->width); in clk_half_divider_recalc_rate()
60 * The maximum divider we can use without overflowing in clk_half_divider_bestdiv()
90 struct clk_divider *divider = to_clk_divider(hw); in clk_half_divider_round_rate() local
94 divider->width, in clk_half_divider_round_rate()
95 divider->flags); in clk_half_divider_round_rate()
103 struct clk_divider *divider = to_clk_divider(hw); in clk_half_divider_set_rate() local
110 value = min_t(unsigned int, value, div_mask(divider->width)); in clk_half_divider_set_rate()
112 if (divider->lock) in clk_half_divider_set_rate()
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/OK3568_Linux_fs/kernel/drivers/clk/imx/
H A Dclk-fixup-div.c15 * struct clk_fixup_div - imx integer fixup divider clock
16 * @divider: the parent class
20 * The imx fixup divider clock is a subclass of basic clk_divider
24 struct clk_divider divider; member
31 struct clk_divider *divider = to_clk_divider(hw); in to_clk_fixup_div() local
33 return container_of(divider, struct clk_fixup_div, divider); in to_clk_fixup_div()
41 return fixup_div->ops->recalc_rate(&fixup_div->divider.hw, parent_rate); in clk_fixup_div_recalc_rate()
49 return fixup_div->ops->round_rate(&fixup_div->divider.hw, rate, prate); in clk_fixup_div_round_rate()
57 unsigned int divider, value; in clk_fixup_div_set_rate() local
61 divider = parent_rate / rate; in clk_fixup_div_set_rate()
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H A Dclk-composite-8m.c31 struct clk_divider *divider = to_clk_divider(hw); in imx8m_clk_composite_divider_recalc_rate() local
36 prediv_value = readl(divider->reg) >> divider->shift; in imx8m_clk_composite_divider_recalc_rate()
37 prediv_value &= clk_div_mask(divider->width); in imx8m_clk_composite_divider_recalc_rate()
40 NULL, divider->flags, in imx8m_clk_composite_divider_recalc_rate()
41 divider->width); in imx8m_clk_composite_divider_recalc_rate()
43 div_value = readl(divider->reg) >> PCG_DIV_SHIFT; in imx8m_clk_composite_divider_recalc_rate()
47 divider->flags, PCG_DIV_WIDTH); in imx8m_clk_composite_divider_recalc_rate()
95 struct clk_divider *divider = to_clk_divider(hw); in imx8m_clk_composite_divider_set_rate() local
107 spin_lock_irqsave(divider->lock, flags); in imx8m_clk_composite_divider_set_rate()
109 val = readl(divider->reg); in imx8m_clk_composite_divider_set_rate()
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/OK3568_Linux_fs/kernel/drivers/clk/mxs/
H A Dclk-div.c12 * struct clk_div - mxs integer divider clock
13 * @divider: the parent class
18 * The mxs divider clock is a subclass of basic clk_divider with an
22 struct clk_divider divider; member
30 struct clk_divider *divider = to_clk_divider(hw); in to_clk_div() local
32 return container_of(divider, struct clk_div, divider); in to_clk_div()
40 return div->ops->recalc_rate(&div->divider.hw, parent_rate); in clk_div_recalc_rate()
48 return div->ops->round_rate(&div->divider.hw, rate, prate); in clk_div_round_rate()
57 ret = div->ops->set_rate(&div->divider.hw, rate, parent_rate); in clk_div_set_rate()
90 div->divider.reg = reg; in mxs_clk_div()
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/OK3568_Linux_fs/kernel/drivers/media/tuners/
H A Dtda18218_priv.h20 #define R07_MD1 0x07 /* Main divider byte 1 */
22 #define R09_MD2 0x09 /* Main divider byte 2 */
23 #define R0A_MD3 0x0a /* Main divider byte 1 */
24 #define R0B_MD4 0x0b /* Main divider byte 4 */
25 #define R0C_MD5 0x0c /* Main divider byte 5 */
26 #define R0D_MD6 0x0d /* Main divider byte 6 */
27 #define R0E_MD7 0x0e /* Main divider byte 7 */
28 #define R0F_MD8 0x0f /* Main divider byte 8 */
29 #define R10_CD1 0x10 /* Call divider byte 1 */
30 #define R11_CD2 0x11 /* Call divider byte 2 */
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/OK3568_Linux_fs/u-boot/arch/arm/cpu/armv7/bcm235xx/
H A Dclk-core.h64 /* programmable divider. 0 means fixed ratio to parent clock */
228 * output rate of the clock. Each divider can be either fixed or
229 * variable. If there are two dividers, they are the "pre-divider"
230 * and the "regular" or "downstream" divider. If there is only one,
231 * there is no pre-divider.
233 * A fixed divider is any non-zero (positive) value, and it
234 * indicates how the input rate is affected by the divider.
236 * The value of a variable divider is maintained in a sub-field of a
237 * 32-bit divider register. The position of the field in the
241 * In addition, a variable divider can indicate that some subset
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/OK3568_Linux_fs/u-boot/arch/arm/cpu/armv7/bcm281xx/
H A Dclk-core.h64 /* programmable divider. 0 means fixed ratio to parent clock */
228 * output rate of the clock. Each divider can be either fixed or
229 * variable. If there are two dividers, they are the "pre-divider"
230 * and the "regular" or "downstream" divider. If there is only one,
231 * there is no pre-divider.
233 * A fixed divider is any non-zero (positive) value, and it
234 * indicates how the input rate is affected by the divider.
236 * The value of a variable divider is maintained in a sub-field of a
237 * 32-bit divider register. The position of the field in the
241 * In addition, a variable divider can indicate that some subset
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/clock/ti/
H A Ddivider.txt1 Binding for TI divider clock
6 register-mapped adjustable clock rate divider that does not gate and has
44 The binding must also provide the register to control the divider and
45 unless the divider array is provided, min and max dividers. Optionally
56 - compatible : shall be "ti,divider-clock" or "ti,composite-divider-clock".
59 - reg : offset for register controlling adjustable divider
64 - ti,bit-shift : number of bits to shift the divider value, defaults to 0
78 - ti,latch-bit : latch the divider value to HW, only needed if the register
79 access requires this. As an example dra76x DPLL_GMAC H14 divider implements
85 compatible = "ti,divider-clock";
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/OK3568_Linux_fs/kernel/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_pll.c70 * amdgpu_pll_get_fb_ref_div - feedback and ref divider calculation
74 * @post_div: post divider
75 * @fb_div_max: feedback divider maximum
76 * @ref_div_max: reference divider maximum
77 * @fb_div: resulting feedback divider
78 * @ref_div: resulting reference divider
80 * Calculate feedback and reference divider for a given post divider. Makes
87 /* limit reference * post divider to a maximum */ in amdgpu_pll_get_fb_ref_div()
90 /* get matching reference and feedback divider */ in amdgpu_pll_get_fb_ref_div()
94 /* limit fb divider to its maximum */ in amdgpu_pll_get_fb_ref_div()
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/OK3568_Linux_fs/kernel/drivers/clk/bcm/
H A Dclk-kona.h228 * output rate of the clock. Each divider can be either fixed or
229 * variable. If there are two dividers, they are the "pre-divider"
230 * and the "regular" or "downstream" divider. If there is only one,
231 * there is no pre-divider.
233 * A fixed divider is any non-zero (positive) value, and it
234 * indicates how the input rate is affected by the divider.
236 * The value of a variable divider is maintained in a sub-field of a
237 * 32-bit divider register. The position of the field in the
241 * In addition, a variable divider can indicate that some subset
242 * of its bits represent a "fractional" part of the divider. Such
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/clock/
H A Dxgene.txt37 reset and/or the divider. Either may be omitted, but at least
55 - divider-offset : Offset to the divider CSR register from the divider base.
57 - divider-width : Width of the divider register. Default is 0.
58 - divider-shift : Bit shift of the divider register. Default is 0.
107 divider-offset = <0x238>;
108 divider-width = <0x9>;
109 divider-shift = <0x0>;
125 divider-offset = <0x10>;
126 divider-width = <0x2>;
127 divider-shift = <0x0>;
/OK3568_Linux_fs/u-boot/arch/m68k/cpu/mcf532x/
H A Dspeed.c31 /* Low Power Divider specifications */
32 #define MIN_LPD (0) /* Divider (not encoded) */
33 #define MAX_LPD (15) /* Divider (not encoded) */
34 #define DEFAULT_LPD (0) /* Divider (not encoded) */
42 /* Low Power Divider specifications */
43 #define MIN_LPD (1 << 0) /* Divider (not encoded) */
44 #define MAX_LPD (1 << 15) /* Divider (not encoded) */
45 #define DEFAULT_LPD (1 << 1) /* Divider (not encoded) */
48 #define BUSDIV 6 /* Divider */
55 int divider; in get_sys_clock() local
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/OK3568_Linux_fs/kernel/drivers/clk/ingenic/
H A Dcgu.h27 * @n_shift: the number of bits to shift the divider value by (ie. the
28 * index of the lowest bit of the divider value in the PLL's
30 * @n_bits: the size of the divider field in bits
31 * @n_offset: the divider value which encodes to 0 in the PLL's control
33 * @od_shift: the number of bits to shift the post-VCO divider value by (ie.
34 * the index of the lowest bit of the post-VCO divider value in
36 * @od_bits: the size of the post-VCO divider field in bits
37 * @od_max: the maximum post-VCO divider value
38 * @od_encoding: a pointer to an array mapping post-VCO divider values to
75 * struct ingenic_cgu_div_info - information about a divider
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