diff options
Diffstat (limited to 'drivers/clk/at91')
-rw-r--r-- | drivers/clk/at91/Makefile | 2 | ||||
-rw-r--r-- | drivers/clk/at91/clk-master.c | 2 | ||||
-rw-r--r-- | drivers/clk/at91/clk-sam9x60-pll.c | 44 | ||||
-rw-r--r-- | drivers/clk/at91/dt-compat.c | 5 | ||||
-rw-r--r-- | drivers/clk/at91/pmc.c | 1 | ||||
-rw-r--r-- | drivers/clk/at91/pmc.h | 18 | ||||
-rw-r--r-- | drivers/clk/at91/sam9x60.c | 7 | ||||
-rw-r--r-- | drivers/clk/at91/sam9x7.c | 946 | ||||
-rw-r--r-- | drivers/clk/at91/sama7d65.c | 1375 | ||||
-rw-r--r-- | drivers/clk/at91/sama7g5.c | 47 | ||||
-rw-r--r-- | drivers/clk/at91/sckc.c | 24 |
11 files changed, 2421 insertions, 50 deletions
diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile index 89061b85e7d2..9128a06b860d 100644 --- a/drivers/clk/at91/Makefile +++ b/drivers/clk/at91/Makefile @@ -20,7 +20,9 @@ obj-$(CONFIG_SOC_AT91SAM9) += at91sam9260.o at91sam9rl.o at91sam9x5.o dt-compat. obj-$(CONFIG_SOC_AT91SAM9) += at91sam9g45.o dt-compat.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9n12.o at91sam9x5.o dt-compat.o obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o +obj-$(CONFIG_SOC_SAM9X7) += sam9x7.o obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o dt-compat.o obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o dt-compat.o obj-$(CONFIG_SOC_SAMA5D2) += sama5d2.o dt-compat.o +obj-$(CONFIG_SOC_SAMA7D65) += sama7d65.o obj-$(CONFIG_SOC_SAMA7G5) += sama7g5.o diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index 15c46489ba85..7a544e429d34 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -20,7 +20,7 @@ #define PMC_MCR_CSS_SHIFT (16) -#define MASTER_MAX_ID 4 +#define MASTER_MAX_ID 9 #define to_clk_master(hw) container_of(hw, struct clk_master, hw) diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c index ff65f7b916f0..cefd9948e103 100644 --- a/drivers/clk/at91/clk-sam9x60-pll.c +++ b/drivers/clk/at91/clk-sam9x60-pll.c @@ -23,10 +23,7 @@ #define UPLL_DIV 2 #define PLL_MUL_MAX (FIELD_GET(PMC_PLL_CTRL1_MUL_MSK, UINT_MAX) + 1) -#define FCORE_MIN (600000000) -#define FCORE_MAX (1200000000) - -#define PLL_MAX_ID 7 +#define PLL_MAX_ID 9 struct sam9x60_pll_core { struct regmap *regmap; @@ -76,9 +73,15 @@ static unsigned long sam9x60_frac_pll_recalc_rate(struct clk_hw *hw, { struct sam9x60_pll_core *core = to_sam9x60_pll_core(hw); struct sam9x60_frac *frac = to_sam9x60_frac(core); + unsigned long freq; - return parent_rate * (frac->mul + 1) + + freq = parent_rate * (frac->mul + 1) + DIV_ROUND_CLOSEST_ULL((u64)parent_rate * frac->frac, (1 << 22)); + + if (core->layout->div2) + freq >>= 1; + + return freq; } static int sam9x60_frac_pll_set(struct sam9x60_pll_core *core) @@ -194,7 +197,8 @@ static long sam9x60_frac_pll_compute_mul_frac(struct sam9x60_pll_core *core, unsigned long nmul = 0; unsigned long nfrac = 0; - if (rate < FCORE_MIN || rate > FCORE_MAX) + if (rate < core->characteristics->core_output[0].min || + rate > core->characteristics->core_output[0].max) return -ERANGE; /* @@ -214,7 +218,8 @@ static long sam9x60_frac_pll_compute_mul_frac(struct sam9x60_pll_core *core, } /* Check if resulted rate is a valid. */ - if (tmprate < FCORE_MIN || tmprate > FCORE_MAX) + if (tmprate < core->characteristics->core_output[0].min || + tmprate > core->characteristics->core_output[0].max) return -ERANGE; if (update) { @@ -433,6 +438,12 @@ static unsigned long sam9x60_div_pll_recalc_rate(struct clk_hw *hw, return DIV_ROUND_CLOSEST_ULL(parent_rate, (div->div + 1)); } +static unsigned long sam9x60_fixed_div_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return parent_rate >> 1; +} + static long sam9x60_div_pll_compute_div(struct sam9x60_pll_core *core, unsigned long *parent_rate, unsigned long rate) @@ -607,6 +618,16 @@ static const struct clk_ops sam9x60_div_pll_ops_chg = { .restore_context = sam9x60_div_pll_restore_context, }; +static const struct clk_ops sam9x60_fixed_div_pll_ops = { + .prepare = sam9x60_div_pll_prepare, + .unprepare = sam9x60_div_pll_unprepare, + .is_prepared = sam9x60_div_pll_is_prepared, + .recalc_rate = sam9x60_fixed_div_pll_recalc_rate, + .round_rate = sam9x60_div_pll_round_rate, + .save_context = sam9x60_div_pll_save_context, + .restore_context = sam9x60_div_pll_restore_context, +}; + struct clk_hw * __init sam9x60_clk_register_frac_pll(struct regmap *regmap, spinlock_t *lock, const char *name, const char *parent_name, @@ -669,7 +690,8 @@ sam9x60_clk_register_frac_pll(struct regmap *regmap, spinlock_t *lock, goto free; } - ret = sam9x60_frac_pll_compute_mul_frac(&frac->core, FCORE_MIN, + ret = sam9x60_frac_pll_compute_mul_frac(&frac->core, + characteristics->core_output[0].min, parent_rate, true); if (ret < 0) { hw = ERR_PTR(ret); @@ -725,10 +747,14 @@ sam9x60_clk_register_div_pll(struct regmap *regmap, spinlock_t *lock, else init.parent_names = &parent_name; init.num_parents = 1; - if (flags & CLK_SET_RATE_GATE) + + if (layout->div2) + init.ops = &sam9x60_fixed_div_pll_ops; + else if (flags & CLK_SET_RATE_GATE) init.ops = &sam9x60_div_pll_ops; else init.ops = &sam9x60_div_pll_ops_chg; + init.flags = flags; div->core.id = id; diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index a32dc2111b90..f5a5f9ba7634 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -563,9 +563,10 @@ of_at91_clk_pll_get_characteristics(struct device_node *np) if (num_cells < 2 || num_cells > 4) return NULL; - if (!of_get_property(np, "atmel,pll-clk-output-ranges", &tmp)) + num_output = of_property_count_u32_elems(np, "atmel,pll-clk-output-ranges"); + if (num_output <= 0) return NULL; - num_output = tmp / (sizeof(u32) * num_cells); + num_output /= num_cells; characteristics = kzalloc(sizeof(*characteristics), GFP_KERNEL); if (!characteristics) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 5aa9c1f1c886..acf780a81589 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -151,6 +151,7 @@ static struct syscore_ops pmc_syscore_ops = { static const struct of_device_id pmc_dt_ids[] = { { .compatible = "atmel,sama5d2-pmc" }, { .compatible = "microchip,sama7g5-pmc", }, + { .compatible = "microchip,sama7d65-pmc", }, { /* sentinel */ } }; diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 0f52e80bcd49..4fb29ca111f7 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -64,6 +64,7 @@ struct clk_pll_layout { u8 frac_shift; u8 div_shift; u8 endiv_shift; + u8 div2; }; extern const struct clk_pll_layout at91rm9200_pll_layout; @@ -75,6 +76,7 @@ struct clk_pll_characteristics { struct clk_range input; int num_output; const struct clk_range *output; + const struct clk_range *core_output; u16 *icpll; u8 *out; u8 upll : 1; @@ -119,6 +121,22 @@ struct at91_clk_pms { #define ndck(a, s) (a[s - 1].id + 1) #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) + +#define PMC_INIT_TABLE(_table, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) \ + (_table)[_i] = _i; \ + } while (0) + +#define PMC_FILL_TABLE(_to, _from, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) { \ + (_to)[_i] = (_from)[_i]; \ + } \ + } while (0) + struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, unsigned int nperiph, unsigned int ngck, unsigned int npck); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index e309cbf3cb9a..db6db9e2073e 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -26,10 +26,16 @@ static const struct clk_range plla_outputs[] = { { .min = 2343750, .max = 1200000000 }, }; +/* Fractional PLL core output range. */ +static const struct clk_range core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + static const struct clk_pll_characteristics plla_characteristics = { .input = { .min = 12000000, .max = 48000000 }, .num_output = ARRAY_SIZE(plla_outputs), .output = plla_outputs, + .core_output = core_outputs, }; static const struct clk_range upll_outputs[] = { @@ -40,6 +46,7 @@ static const struct clk_pll_characteristics upll_characteristics = { .input = { .min = 12000000, .max = 48000000 }, .num_output = ARRAY_SIZE(upll_outputs), .output = upll_outputs, + .core_output = core_outputs, .upll = true, }; diff --git a/drivers/clk/at91/sam9x7.c b/drivers/clk/at91/sam9x7.c new file mode 100644 index 000000000000..cbb8b220f16b --- /dev/null +++ b/drivers/clk/at91/sam9x7.c @@ -0,0 +1,946 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SAM9X7 PMC code. + * + * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries + * + * Author: Varshini Rajendran <varshini.rajendran@microchip.com> + * + */ +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +static DEFINE_SPINLOCK(pmc_pll_lock); +static DEFINE_SPINLOCK(mck_lock); + +/** + * enum pll_ids - PLL clocks identifiers + * @PLL_ID_PLLA: PLLA identifier + * @PLL_ID_UPLL: UPLL identifier + * @PLL_ID_AUDIO: Audio PLL identifier + * @PLL_ID_LVDS: LVDS PLL identifier + * @PLL_ID_PLLA_DIV2: PLLA DIV2 identifier + * @PLL_ID_MAX: Max PLL Identifier + */ +enum pll_ids { + PLL_ID_PLLA, + PLL_ID_UPLL, + PLL_ID_AUDIO, + PLL_ID_LVDS, + PLL_ID_PLLA_DIV2, + PLL_ID_MAX, +}; + +/** + * enum pll_type - PLL type identifiers + * @PLL_TYPE_FRAC: fractional PLL identifier + * @PLL_TYPE_DIV: divider PLL identifier + */ +enum pll_type { + PLL_TYPE_FRAC, + PLL_TYPE_DIV, +}; + +static const struct clk_master_characteristics mck_characteristics = { + .output = { .min = 32000000, .max = 266666667 }, + .divisors = { 1, 2, 4, 3, 5}, + .have_div3_pres = 1, +}; + +static const struct clk_master_layout sam9x7_master_layout = { + .mask = 0x373, + .pres_shift = 4, + .offset = 0x28, +}; + +/* Fractional PLL core output range. */ +static const struct clk_range plla_core_outputs[] = { + { .min = 375000000, .max = 1600000000 }, +}; + +static const struct clk_range upll_core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + +static const struct clk_range lvdspll_core_outputs[] = { + { .min = 400000000, .max = 800000000 }, +}; + +static const struct clk_range audiopll_core_outputs[] = { + { .min = 400000000, .max = 800000000 }, +}; + +static const struct clk_range plladiv2_core_outputs[] = { + { .min = 375000000, .max = 1600000000 }, +}; + +/* Fractional PLL output range. */ +static const struct clk_range plla_outputs[] = { + { .min = 732421, .max = 800000000 }, +}; + +static const struct clk_range upll_outputs[] = { + { .min = 300000000, .max = 600000000 }, +}; + +static const struct clk_range lvdspll_outputs[] = { + { .min = 10000000, .max = 800000000 }, +}; + +static const struct clk_range audiopll_outputs[] = { + { .min = 10000000, .max = 800000000 }, +}; + +static const struct clk_range plladiv2_outputs[] = { + { .min = 366210, .max = 400000000 }, +}; + +/* PLL characteristics. */ +static const struct clk_pll_characteristics plla_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(plla_outputs), + .output = plla_outputs, + .core_output = plla_core_outputs, +}; + +static const struct clk_pll_characteristics upll_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(upll_outputs), + .output = upll_outputs, + .core_output = upll_core_outputs, + .upll = true, +}; + +static const struct clk_pll_characteristics lvdspll_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(lvdspll_outputs), + .output = lvdspll_outputs, + .core_output = lvdspll_core_outputs, +}; + +static const struct clk_pll_characteristics audiopll_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(audiopll_outputs), + .output = audiopll_outputs, + .core_output = audiopll_core_outputs, +}; + +static const struct clk_pll_characteristics plladiv2_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(plladiv2_outputs), + .output = plladiv2_outputs, + .core_output = plladiv2_core_outputs, +}; + +/* Layout for fractional PLL ID PLLA. */ +static const struct clk_pll_layout plla_frac_layout = { + .mul_mask = GENMASK(31, 24), + .frac_mask = GENMASK(21, 0), + .mul_shift = 24, + .frac_shift = 0, + .div2 = 1, +}; + +/* Layout for fractional PLLs. */ +static const struct clk_pll_layout pll_frac_layout = { + .mul_mask = GENMASK(31, 24), + .frac_mask = GENMASK(21, 0), + .mul_shift = 24, + .frac_shift = 0, +}; + +/* Layout for DIV PLLs. */ +static const struct clk_pll_layout pll_divpmc_layout = { + .div_mask = GENMASK(7, 0), + .endiv_mask = BIT(29), + .div_shift = 0, + .endiv_shift = 29, +}; + +/* Layout for DIV PLL ID PLLADIV2. */ +static const struct clk_pll_layout plladiv2_divpmc_layout = { + .div_mask = GENMASK(7, 0), + .endiv_mask = BIT(29), + .div_shift = 0, + .endiv_shift = 29, + .div2 = 1, +}; + +/* Layout for DIVIO dividers. */ +static const struct clk_pll_layout pll_divio_layout = { + .div_mask = GENMASK(19, 12), + .endiv_mask = BIT(30), + .div_shift = 12, + .endiv_shift = 30, +}; + +/* + * PLL clocks description + * @n: clock name + * @p: clock parent + * @l: clock layout + * @t: clock type + * @c: pll characteristics + * @f: clock flags + * @eid: export index in sam9x7->chws[] array + */ +static const struct { + const char *n; + const char *p; + const struct clk_pll_layout *l; + u8 t; + const struct clk_pll_characteristics *c; + unsigned long f; + u8 eid; +} sam9x7_plls[][3] = { + [PLL_ID_PLLA] = { + { + .n = "plla_fracck", + .p = "mainck", + .l = &plla_frac_layout, + .t = PLL_TYPE_FRAC, + /* + * This feeds plla_divpmcck which feeds CPU. It should + * not be disabled. + */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + .c = &plla_characteristics, + }, + + { + .n = "plla_divpmcck", + .p = "plla_fracck", + .l = &pll_divpmc_layout, + .t = PLL_TYPE_DIV, + /* This feeds CPU. It should not be disabled */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + .eid = PMC_PLLACK, + .c = &plla_characteristics, + }, + }, + + [PLL_ID_UPLL] = { + { + .n = "upll_fracck", + .p = "main_osc", + .l = &pll_frac_layout, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + .c = &upll_characteristics, + }, + + { + .n = "upll_divpmcck", + .p = "upll_fracck", + .l = &pll_divpmc_layout, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_UTMI, + .c = &upll_characteristics, + }, + }, + + [PLL_ID_AUDIO] = { + { + .n = "audiopll_fracck", + .p = "main_osc", + .l = &pll_frac_layout, + .f = CLK_SET_RATE_GATE, + .c = &audiopll_characteristics, + .t = PLL_TYPE_FRAC, + }, + + { + .n = "audiopll_divpmcck", + .p = "audiopll_fracck", + .l = &pll_divpmc_layout, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .c = &audiopll_characteristics, + .eid = PMC_AUDIOPMCPLL, + .t = PLL_TYPE_DIV, + }, + + { + .n = "audiopll_diviock", + .p = "audiopll_fracck", + .l = &pll_divio_layout, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .c = &audiopll_characteristics, + .eid = PMC_AUDIOIOPLL, + .t = PLL_TYPE_DIV, + }, + }, + + [PLL_ID_LVDS] = { + { + .n = "lvdspll_fracck", + .p = "main_osc", + .l = &pll_frac_layout, + .f = CLK_SET_RATE_GATE, + .c = &lvdspll_characteristics, + .t = PLL_TYPE_FRAC, + }, + + { + .n = "lvdspll_divpmcck", + .p = "lvdspll_fracck", + .l = &pll_divpmc_layout, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .c = &lvdspll_characteristics, + .eid = PMC_LVDSPLL, + .t = PLL_TYPE_DIV, + }, + }, + + [PLL_ID_PLLA_DIV2] = { + { + .n = "plla_div2pmcck", + .p = "plla_fracck", + .l = &plladiv2_divpmc_layout, + /* + * This may feed critical parts of the system like timers. + * It should not be disabled. + */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + .c = &plladiv2_characteristics, + .eid = PMC_PLLADIV2, + .t = PLL_TYPE_DIV, + }, + }, +}; + +static const struct clk_programmable_layout sam9x7_programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 8, + .css_mask = 0x1f, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + +static const struct clk_pcr_layout sam9x7_pcr_layout = { + .offset = 0x88, + .cmd = BIT(31), + .gckcss_mask = GENMASK(12, 8), + .pid_mask = GENMASK(6, 0), +}; + +static const struct { + char *n; + char *p; + u8 id; + unsigned long flags; +} sam9x7_systemck[] = { + /* + * ddrck feeds DDR controller and is enabled by bootloader thus we need + * to keep it enabled in case there is no Linux consumer for it. + */ + { .n = "ddrck", .p = "masterck_div", .id = 2, .flags = CLK_IS_CRITICAL }, + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, +}; + +/* + * Peripheral clocks description + * @n: clock name + * @f: clock flags + * @id: peripheral id + */ +static const struct { + char *n; + unsigned long f; + u8 id; +} sam9x7_periphck[] = { + { .n = "pioA_clk", .id = 2, }, + { .n = "pioB_clk", .id = 3, }, + { .n = "pioC_clk", .id = 4, }, + { .n = "flex0_clk", .id = 5, }, + { .n = "flex1_clk", .id = 6, }, + { .n = "flex2_clk", .id = 7, }, + { .n = "flex3_clk", .id = 8, }, + { .n = "flex6_clk", .id = 9, }, + { .n = "flex7_clk", .id = 10, }, + { .n = "flex8_clk", .id = 11, }, + { .n = "sdmmc0_clk", .id = 12, }, + { .n = "flex4_clk", .id = 13, }, + { .n = "flex5_clk", .id = 14, }, + { .n = "flex9_clk", .id = 15, }, + { .n = "flex10_clk", .id = 16, }, + { .n = "tcb0_clk", .id = 17, }, + { .n = "pwm_clk", .id = 18, }, + { .n = "adc_clk", .id = 19, }, + { .n = "dma0_clk", .id = 20, }, + { .n = "uhphs_clk", .id = 22, }, + { .n = "udphs_clk", .id = 23, }, + { .n = "macb0_clk", .id = 24, }, + { .n = "lcd_clk", .id = 25, }, + { .n = "sdmmc1_clk", .id = 26, }, + { .n = "ssc_clk", .id = 28, }, + { .n = "can0_clk", .id = 29, }, + { .n = "can1_clk", .id = 30, }, + { .n = "flex11_clk", .id = 32, }, + { .n = "flex12_clk", .id = 33, }, + { .n = "i2s_clk", .id = 34, }, + { .n = "qspi_clk", .id = 35, }, + { .n = "gfx2d_clk", .id = 36, }, + { .n = "pit64b0_clk", .id = 37, }, + { .n = "trng_clk", .id = 38, }, + { .n = "aes_clk", .id = 39, }, + { .n = "tdes_clk", .id = 40, }, + { .n = "sha_clk", .id = 41, }, + { .n = "classd_clk", .id = 42, }, + { .n = "isi_clk", .id = 43, }, + { .n = "pioD_clk", .id = 44, }, + { .n = "tcb1_clk", .id = 45, }, + { .n = "dbgu_clk", .id = 47, }, + /* + * mpddr_clk feeds DDR controller and is enabled by bootloader thus we + * need to keep it enabled in case there is no Linux consumer for it. + */ + { .n = "mpddr_clk", .id = 49, .f = CLK_IS_CRITICAL }, + { .n = "csi2dc_clk", .id = 52, }, + { .n = "csi4l_clk", .id = 53, }, + { .n = "dsi4l_clk", .id = 54, }, + { .n = "lvdsc_clk", .id = 56, }, + { .n = "pit64b1_clk", .id = 58, }, + { .n = "puf_clk", .id = 59, }, + { .n = "gmactsu_clk", .id = 67, }, +}; + +/* + * Generic clock description + * @n: clock name + * @pp: PLL parents + * @pp_mux_table: PLL parents mux table + * @r: clock output range + * @pp_chg_id: id in parent array of changeable PLL parent + * @pp_count: PLL parents count + * @id: clock id + */ +static const struct { + const char *n; + const char *pp[8]; + const char pp_mux_table[8]; + struct clk_range r; + int pp_chg_id; + u8 pp_count; + u8 id; +} sam9x7_gck[] = { + { + .n = "flex0_gclk", + .id = 5, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex1_gclk", + .id = 6, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex2_gclk", + .id = 7, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex3_gclk", + .id = 8, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex6_gclk", + .id = 9, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex7_gclk", + .id = 10, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex8_gclk", + .id = 11, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "sdmmc0_gclk", + .id = 12, + .r = { .max = 105000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex4_gclk", + .id = 13, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex5_gclk", + .id = 14, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex9_gclk", + .id = 15, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex10_gclk", + .id = 16, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "tcb0_gclk", + .id = 17, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "adc_gclk", + .id = 19, + .pp = { "upll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 5, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "lcd_gclk", + .id = 25, + .r = { .max = 75000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "sdmmc1_gclk", + .id = 26, + .r = { .max = 105000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "mcan0_gclk", + .id = 29, + .r = { .max = 80000000 }, + .pp = { "upll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 5, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "mcan1_gclk", + .id = 30, + .r = { .max = 80000000 }, + .pp = { "upll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 5, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex11_gclk", + .id = 32, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "flex12_gclk", + .id = 33, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "i2s_gclk", + .id = 34, + .r = { .max = 100000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "qspi_gclk", + .id = 35, + .r = { .max = 200000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "pit64b0_gclk", + .id = 37, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "classd_gclk", + .id = 42, + .r = { .max = 100000000 }, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "tcb1_gclk", + .id = 45, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, + + { + .n = "dbgu_gclk", + .id = 47, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "mipiphy_gclk", + .id = 55, + .r = { .max = 27000000 }, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "pit64b1_gclk", + .id = 58, + .pp = { "plla_div2pmcck", }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, + }, + + { + .n = "gmac_gclk", + .id = 67, + .pp = { "audiopll_divpmcck", "plla_div2pmcck", }, + .pp_mux_table = { 6, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, + }, +}; + +static void __init sam9x7_pmc_setup(struct device_node *np) +{ + struct clk_range range = CLK_RANGE(0, 0); + const char *td_slck_name, *md_slck_name, *mainxtal_name; + struct pmc_data *sam9x7_pmc; + const char *parent_names[9]; + void **clk_mux_buffer = NULL; + int clk_mux_buffer_size = 0; + struct clk_hw *main_osc_hw; + struct regmap *regmap; + struct clk_hw *hw; + int i, j; + + i = of_property_match_string(np, "clock-names", "td_slck"); + if (i < 0) + return; + + td_slck_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "md_slck"); + if (i < 0) + return; + + md_slck_name = of_clk_get_parent_name(np, i); + + i = of_property_match_string(np, "clock-names", "main_xtal"); + if (i < 0) + return; + mainxtal_name = of_clk_get_parent_name(np, i); + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + sam9x7_pmc = pmc_data_allocate(PMC_LVDSPLL + 1, + nck(sam9x7_systemck), + nck(sam9x7_periphck), + nck(sam9x7_gck), 8); + if (!sam9x7_pmc) + return; + + clk_mux_buffer = kmalloc(sizeof(void *) * + (ARRAY_SIZE(sam9x7_gck)), + GFP_KERNEL); + if (!clk_mux_buffer) + goto err_free; + + hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, + 50000000); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, NULL, 0); + if (IS_ERR(hw)) + goto err_free; + main_osc_hw = hw; + + parent_names[0] = "main_rc_osc"; + parent_names[1] = "main_osc"; + hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, NULL, 2); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->chws[PMC_MAIN] = hw; + + for (i = 0; i < PLL_ID_MAX; i++) { + for (j = 0; j < 3; j++) { + struct clk_hw *parent_hw; + + if (!sam9x7_plls[i][j].n) + continue; + + switch (sam9x7_plls[i][j].t) { + case PLL_TYPE_FRAC: + if (!strcmp(sam9x7_plls[i][j].p, "mainck")) + parent_hw = sam9x7_pmc->chws[PMC_MAIN]; + else if (!strcmp(sam9x7_plls[i][j].p, "main_osc")) + parent_hw = main_osc_hw; + else + parent_hw = __clk_get_hw(of_clk_get_by_name + (np, sam9x7_plls[i][j].p)); + + hw = sam9x60_clk_register_frac_pll(regmap, + &pmc_pll_lock, + sam9x7_plls[i][j].n, + sam9x7_plls[i][j].p, + parent_hw, i, + sam9x7_plls[i][j].c, + sam9x7_plls[i][j].l, + sam9x7_plls[i][j].f); + break; + + case PLL_TYPE_DIV: + hw = sam9x60_clk_register_div_pll(regmap, + &pmc_pll_lock, + sam9x7_plls[i][j].n, + sam9x7_plls[i][j].p, NULL, i, + sam9x7_plls[i][j].c, + sam9x7_plls[i][j].l, + sam9x7_plls[i][j].f, 0); + break; + + default: + continue; + } + + if (IS_ERR(hw)) + goto err_free; + + if (sam9x7_plls[i][j].eid) + sam9x7_pmc->chws[sam9x7_plls[i][j].eid] = hw; + } + } + + parent_names[0] = md_slck_name; + parent_names[1] = "mainck"; + parent_names[2] = "plla_divpmcck"; + parent_names[3] = "upll_divpmcck"; + hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, + parent_names, NULL, &sam9x7_master_layout, + &mck_characteristics, &mck_lock); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_master_div(regmap, "masterck_div", + "masterck_pres", NULL, &sam9x7_master_layout, + &mck_characteristics, &mck_lock, + CLK_SET_RATE_GATE, 0); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->chws[PMC_MCK] = hw; + + parent_names[0] = "plla_divpmcck"; + parent_names[1] = "upll_divpmcck"; + parent_names[2] = "main_osc"; + hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 3); + if (IS_ERR(hw)) + goto err_free; + + parent_names[0] = md_slck_name; + parent_names[1] = td_slck_name; + parent_names[2] = "mainck"; + parent_names[3] = "masterck_div"; + parent_names[4] = "plla_divpmcck"; + parent_names[5] = "upll_divpmcck"; + parent_names[6] = "audiopll_divpmcck"; + for (i = 0; i < 2; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, + parent_names, NULL, 7, i, + &sam9x7_programmable_layout, + NULL); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->pchws[i] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sam9x7_systemck); i++) { + hw = at91_clk_register_system(regmap, sam9x7_systemck[i].n, + sam9x7_systemck[i].p, NULL, + sam9x7_systemck[i].id, + sam9x7_systemck[i].flags); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->shws[sam9x7_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sam9x7_periphck); i++) { + hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, + &sam9x7_pcr_layout, + sam9x7_periphck[i].n, + "masterck_div", NULL, + sam9x7_periphck[i].id, + &range, INT_MIN, + sam9x7_periphck[i].f); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->phws[sam9x7_periphck[i].id] = hw; + } + + parent_names[0] = md_slck_name; + parent_names[1] = td_slck_name; + parent_names[2] = "mainck"; + parent_names[3] = "masterck_div"; + for (i = 0; i < ARRAY_SIZE(sam9x7_gck); i++) { + u8 num_parents = 4 + sam9x7_gck[i].pp_count; + u32 *mux_table; + + mux_table = kmalloc_array(num_parents, sizeof(*mux_table), + GFP_KERNEL); + if (!mux_table) + goto err_free; + + PMC_INIT_TABLE(mux_table, 4); + PMC_FILL_TABLE(&mux_table[4], sam9x7_gck[i].pp_mux_table, + sam9x7_gck[i].pp_count); + PMC_FILL_TABLE(&parent_names[4], sam9x7_gck[i].pp, + sam9x7_gck[i].pp_count); + + hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, + &sam9x7_pcr_layout, + sam9x7_gck[i].n, + parent_names, NULL, mux_table, + num_parents, + sam9x7_gck[i].id, + &sam9x7_gck[i].r, + sam9x7_gck[i].pp_chg_id); + if (IS_ERR(hw)) + goto err_free; + + sam9x7_pmc->ghws[sam9x7_gck[i].id] = hw; + clk_mux_buffer[clk_mux_buffer_size++] = mux_table; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sam9x7_pmc); + kfree(clk_mux_buffer); + + return; + +err_free: + if (clk_mux_buffer) { + for (i = 0; i < clk_mux_buffer_size; i++) + kfree(clk_mux_buffer[i]); + kfree(clk_mux_buffer); + } + kfree(sam9x7_pmc); +} + +/* Some clks are used for a clocksource */ +CLK_OF_DECLARE(sam9x7_pmc, "microchip,sam9x7-pmc", sam9x7_pmc_setup); diff --git a/drivers/clk/at91/sama7d65.c b/drivers/clk/at91/sama7d65.c new file mode 100644 index 000000000000..a5d40df8b2f2 --- /dev/null +++ b/drivers/clk/at91/sama7d65.c @@ -0,0 +1,1375 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SAMA7D65 PMC code. + * + * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries + * + * Author: Ryan Wanner <ryan.wanner@microchip.com> + */ +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +static DEFINE_SPINLOCK(pmc_pll_lock); +static DEFINE_SPINLOCK(pmc_mck0_lock); +static DEFINE_SPINLOCK(pmc_mckX_lock); + +#define PMC_INDEX_MAX 25 + +/* + * PLL clocks identifiers + * @PLL_ID_CPU: CPU PLL identifier + * @PLL_ID_SYS: System PLL identifier + * @PLL_ID_DDR: DDR PLL identifier + * @PLL_ID_GPU: Graphics subsystem PLL identifier + * @PLL_ID_BAUD: Baud PLL identifier + * @PLL_ID_AUDIO: Audio PLL identifier + * @PLL_ID_ETH: Ethernet PLL identifier + * @PLL_ID_LVDS: LVDS PLL identifier + * @PLL_ID_USB: USB PLL identifier + */ +enum pll_ids { + PLL_ID_CPU, + PLL_ID_SYS, + PLL_ID_DDR, + PLL_ID_GPU, + PLL_ID_BAUD, + PLL_ID_AUDIO, + PLL_ID_ETH, + PLL_ID_LVDS, + PLL_ID_USB, + PLL_ID_MAX +}; + +/* + * PLL component identifier + * @PLL_COMPID_FRAC: Fractional PLL component identifier + * @PLL_COMPID_DIV0: 1st PLL divider component identifier + * @PLL_COMPID_DIV1: 2nd PLL divider component identifier + */ +enum pll_component_id { + PLL_COMPID_FRAC, + PLL_COMPID_DIV0, + PLL_COMPID_DIV1, + PLL_COMPID_MAX +}; + +/* + * PLL type identifiers + * @PLL_TYPE_FRAC: fractional PLL identifier + * @PLL_TYPE_DIV: divider PLL identifier + */ +enum pll_type { + PLL_TYPE_FRAC, + PLL_TYPE_DIV +}; + +/* Layout for fractional PLLs. */ +static const struct clk_pll_layout pll_layout_frac = { + .mul_mask = GENMASK(31, 24), + .frac_mask = GENMASK(21, 0), + .mul_shift = 24, + .frac_shift = 0, +}; + +/* Layout for DIVPMC dividers. */ +static const struct clk_pll_layout pll_layout_divpmc = { + .div_mask = GENMASK(7, 0), + .endiv_mask = BIT(29), + .div_shift = 0, + .endiv_shift = 29, +}; + +/* Layout for DIVIO dividers. */ +static const struct clk_pll_layout pll_layout_divio = { + .div_mask = GENMASK(19, 12), + .endiv_mask = BIT(30), + .div_shift = 12, + .endiv_shift = 30, +}; + +/* + * CPU PLL output range. + * Notice: The upper limit has been setup to 1000000002 due to hardware + * block which cannot output exactly 1GHz. + */ +static const struct clk_range cpu_pll_outputs[] = { + { .min = 2343750, .max = 1000000002 }, +}; + +/* PLL output range. */ +static const struct clk_range pll_outputs[] = { + { .min = 2343750, .max = 1200000000 }, +}; + +/* + * Min: fCOREPLLCK = 600 MHz, PMC_PLL_CTRL0.DIVPMC = 255 + * Max: fCOREPLLCK = 800 MHz, PMC_PLL_CTRL0.DIVPMC = 0 + */ +static const struct clk_range lvdspll_outputs[] = { + { .min = 16406250, .max = 800000000 }, +}; + +static const struct clk_range upll_outputs[] = { + { .min = 480000000, .max = 480000000 }, +}; + +/* Fractional PLL core output range. */ +static const struct clk_range core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + +static const struct clk_range lvdspll_core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + +static const struct clk_range upll_core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + +/* CPU PLL characteristics. */ +static const struct clk_pll_characteristics cpu_pll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(cpu_pll_outputs), + .output = cpu_pll_outputs, + .core_output = core_outputs, +}; + +/* PLL characteristics. */ +static const struct clk_pll_characteristics pll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(pll_outputs), + .output = pll_outputs, + .core_output = core_outputs, +}; + +static const struct clk_pll_characteristics lvdspll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(lvdspll_outputs), + .output = lvdspll_outputs, + .core_output = lvdspll_core_outputs, +}; + +static const struct clk_pll_characteristics upll_characteristics = { + .input = { .min = 20000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(upll_outputs), + .output = upll_outputs, + .core_output = upll_core_outputs, + .upll = true, +}; + +/* + * SAMA7D65 PLL possible parents + * @SAMA7D65_PLL_PARENT_MAINCK: MAINCK is PLL a parent + * @SAMA7D65_PLL_PARENT_MAIN_XTAL: MAIN XTAL is a PLL parent + * @SAMA7D65_PLL_PARENT_FRACCK: Frac PLL is a PLL parent (for PLL dividers) + */ +enum sama7d65_pll_parent { + SAMA7D65_PLL_PARENT_MAINCK, + SAMA7D65_PLL_PARENT_MAIN_XTAL, + SAMA7D65_PLL_PARENT_FRACCK +}; + +/* + * PLL clocks description + * @n: clock name + * @l: clock layout + * @c: clock characteristics + * @hw: pointer to clk_hw + * @t: clock type + * @f: clock flags + * @p: clock parent + * @eid: export index in sama7d65->chws[] array + * @safe_div: intermediate divider need to be set on PRE_RATE_CHANGE + * notification + */ +static struct sama7d65_pll { + const char *n; + const struct clk_pll_layout *l; + const struct clk_pll_characteristics *c; + struct clk_hw *hw; + unsigned long f; + enum sama7d65_pll_parent p; + u8 t; + u8 eid; + u8 safe_div; +} sama7d65_plls[][PLL_COMPID_MAX] = { + [PLL_ID_CPU] = { + [PLL_COMPID_FRAC] = { + .n = "cpupll_fracck", + .p = SAMA7D65_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &cpu_pll_characteristics, + .t = PLL_TYPE_FRAC, + /* + * This feeds cpupll_divpmcck which feeds CPU. It should + * not be disabled. + */ + .f = CLK_IS_CRITICAL, + }, + + [PLL_COMPID_DIV0] = { + .n = "cpupll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &cpu_pll_characteristics, + .t = PLL_TYPE_DIV, + /* This feeds CPU. It should not be disabled. */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, + .eid = PMC_CPUPLL, + /* + * Safe div=15 should be safe even for switching b/w 1GHz and + * 90MHz (frac pll might go up to 1.2GHz). + */ + .safe_div = 15, + }, + }, + + [PLL_ID_SYS] = { + [PLL_COMPID_FRAC] = { + .n = "syspll_fracck", + .p = SAMA7D65_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + /* + * This feeds syspll_divpmcck which may feed critical parts + * of the systems like timers. Therefore it should not be + * disabled. + */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "syspll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + /* + * This may feed critical parts of the systems like timers. + * Therefore it should not be disabled. + */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + .eid = PMC_SYSPLL, + }, + }, + + [PLL_ID_DDR] = { + [PLL_COMPID_FRAC] = { + .n = "ddrpll_fracck", + .p = SAMA7D65_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + /* + * This feeds ddrpll_divpmcck which feeds DDR. It should not + * be disabled. + */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "ddrpll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + /* This feeds DDR. It should not be disabled. */ + .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, + }, + }, + + [PLL_ID_GPU] = { + [PLL_COMPID_FRAC] = { + .n = "gpupll_fracck", + .p = SAMA7D65_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "gpupll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + }, + }, + + [PLL_ID_BAUD] = { + [PLL_COMPID_FRAC] = { + .n = "baudpll_fracck", + .p = SAMA7D65_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "baudpll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_BAUDPLL, + }, + }, + + [PLL_ID_AUDIO] = { + [PLL_COMPID_FRAC] = { + .n = "audiopll_fracck", + .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "audiopll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_AUDIOPMCPLL, + }, + + [PLL_COMPID_DIV1] = { + .n = "audiopll_diviock", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divio, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_AUDIOIOPLL, + }, + }, + + [PLL_ID_ETH] = { + [PLL_COMPID_FRAC] = { + .n = "ethpll_fracck", + .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "ethpll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &pll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_ETHPLL, + }, + }, + + [PLL_ID_LVDS] = { + [PLL_COMPID_FRAC] = { + .n = "lvdspll_fracck", + .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, + .l = &pll_layout_frac, + .c = &lvdspll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "lvdspll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &lvdspll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_LVDSPLL, + }, + }, + + [PLL_ID_USB] = { + [PLL_COMPID_FRAC] = { + .n = "usbpll_fracck", + .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, + .l = &pll_layout_frac, + .c = &upll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "usbpll_divpmcck", + .p = SAMA7D65_PLL_PARENT_FRACCK, + .l = &pll_layout_divpmc, + .c = &upll_characteristics, + .t = PLL_TYPE_DIV, + .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | + CLK_SET_RATE_PARENT, + .eid = PMC_UTMI, + }, + }, +}; + +/* Used to create an array entry identifying a PLL by its components. */ +#define PLL_IDS_TO_ARR_ENTRY(_id, _comp) { PLL_ID_##_id, PLL_COMPID_##_comp} + +/* + * Master clock (MCK[0..9]) description + * @n: clock name + * @ep_chg_chg_id: index in parents array that specifies the changeable + * @ep: extra parents names array (entry formed by PLL components + * identifiers (see enum pll_component_id)) + * @hw: pointer to clk_hw + * parent + * @ep_count: extra parents count + * @ep_mux_table: mux table for extra parents + * @id: clock id + * @eid: export index in sama7d65->chws[] array + * @c: true if clock is critical and cannot be disabled + */ +static struct { + const char *n; + struct { + int pll_id; + int pll_compid; + } ep[4]; + struct clk_hw *hw; + int ep_chg_id; + u8 ep_count; + u8 ep_mux_table[4]; + u8 id; + u8 eid; + u8 c; +} sama7d65_mckx[] = { + { .n = "mck0", }, /* Dummy entry for MCK0 to store hw in probe. */ + { .n = "mck1", + .id = 1, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_count = 1, + .ep_chg_id = INT_MIN, + .eid = PMC_MCK1, + .c = 1, }, + + { .n = "mck2", + .id = 2, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), }, + .ep_mux_table = { 5, 6, }, + .ep_count = 2, + .ep_chg_id = INT_MIN, + .c = 1, }, + + { .n = "mck3", + .id = 3, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), }, + .ep_mux_table = { 5, 6, }, + .ep_count = 2, + .ep_chg_id = INT_MIN, + .eid = PMC_MCK3, + .c = 1, }, + + { .n = "mck4", + .id = 4, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_count = 1, + .ep_chg_id = INT_MIN, + .c = 1, }, + + { .n = "mck5", + .id = 5, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_count = 1, + .ep_chg_id = INT_MIN, + .eid = PMC_MCK5, + .c = 1, }, + + { .n = "mck6", + .id = 6, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_chg_id = INT_MIN, + .ep_count = 1, + .c = 1, }, + + { .n = "mck7", + .id = 7, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_chg_id = INT_MIN, + .ep_count = 1, }, + + { .n = "mck8", + .id = 8, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_chg_id = INT_MIN, + .ep_count = 1, }, + + { .n = "mck9", + .id = 9, + .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .ep_mux_table = { 5, }, + .ep_chg_id = INT_MIN, + .ep_count = 1, }, +}; + +/* + * System clock description + * @n: clock name + * @p: clock parent name + * @id: clock id + */ +static const struct { + const char *n; + const char *p; + u8 id; +} sama7d65_systemck[] = { + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "pck0", .p = "prog0", .id = 8, }, + { .n = "pck1", .p = "prog1", .id = 9, }, + { .n = "pck2", .p = "prog2", .id = 10, }, + { .n = "pck3", .p = "prog3", .id = 11, }, + { .n = "pck4", .p = "prog4", .id = 12, }, + { .n = "pck5", .p = "prog5", .id = 13, }, + { .n = "pck6", .p = "prog6", .id = 14, }, + { .n = "pck7", .p = "prog7", .id = 15, }, +}; + +/* Mux table for programmable clocks. */ +static u32 sama7d65_prog_mux_table[] = { 0, 1, 2, 5, 7, 8, 9, 10, 12 }; + +/* + * Peripheral clock parent hw identifier (used to index in sama7d65_mckx[]) + * @PCK_PARENT_HW_MCK0: pck parent hw identifier is MCK0 + * @PCK_PARENT_HW_MCK1: pck parent hw identifier is MCK1 + * @PCK_PARENT_HW_MCK2: pck parent hw identifier is MCK2 + * @PCK_PARENT_HW_MCK3: pck parent hw identifier is MCK3 + * @PCK_PARENT_HW_MCK4: pck parent hw identifier is MCK4 + * @PCK_PARENT_HW_MCK5: pck parent hw identifier is MCK5 + * @PCK_PARENT_HW_MCK6: pck parent hw identifier is MCK6 + * @PCK_PARENT_HW_MCK7: pck parent hw identifier is MCK7 + * @PCK_PARENT_HW_MCK8: pck parent hw identifier is MCK8 + * @PCK_PARENT_HW_MCK9: pck parent hw identifier is MCK9 + * @PCK_PARENT_HW_MAX: max identifier + */ +enum sama7d65_pck_parent_hw_id { + PCK_PARENT_HW_MCK0, + PCK_PARENT_HW_MCK1, + PCK_PARENT_HW_MCK2, + PCK_PARENT_HW_MCK3, + PCK_PARENT_HW_MCK4, + PCK_PARENT_HW_MCK5, + PCK_PARENT_HW_MCK6, + PCK_PARENT_HW_MCK7, + PCK_PARENT_HW_MCK8, + PCK_PARENT_HW_MCK9, + PCK_PARENT_HW_MAX +}; + +/* + * Peripheral clock description + * @n: clock name + * @p: clock parent hw id + * @r: clock range values + * @id: clock id + * @chgp: index in parent array of the changeable parent + */ +static struct { + const char *n; + enum sama7d65_pck_parent_hw_id p; + struct clk_range r; + u8 chgp; + u8 id; +} sama7d65_periphck[] = { + { .n = "pioA_clk", .p = PCK_PARENT_HW_MCK0, .id = 10, }, + { .n = "securam_clk", .p = PCK_PARENT_HW_MCK0, .id = 17, }, + { .n = "sfr_clk", .p = PCK_PARENT_HW_MCK7, .id = 18, }, + { .n = "hsmc_clk", .p = PCK_PARENT_HW_MCK5, .id = 20, }, + { .n = "xdmac0_clk", .p = PCK_PARENT_HW_MCK6, .id = 21, }, + { .n = "xdmac1_clk", .p = PCK_PARENT_HW_MCK6, .id = 22, }, + { .n = "xdmac2_clk", .p = PCK_PARENT_HW_MCK1, .id = 23, }, + { .n = "acc_clk", .p = PCK_PARENT_HW_MCK7, .id = 24, }, + { .n = "aes_clk", .p = PCK_PARENT_HW_MCK6, .id = 26, }, + { .n = "tzaesbasc_clk", .p = PCK_PARENT_HW_MCK8, .id = 27, }, + { .n = "asrc_clk", .p = PCK_PARENT_HW_MCK9, .id = 29, .r = { .max = 200000000, }, }, + { .n = "cpkcc_clk", .p = PCK_PARENT_HW_MCK0, .id = 30, }, + { .n = "eic_clk", .p = PCK_PARENT_HW_MCK7, .id = 33, }, + { .n = "flex0_clk", .p = PCK_PARENT_HW_MCK7, .id = 34, }, + { .n = "flex1_clk", .p = PCK_PARENT_HW_MCK7, .id = 35, }, + { .n = "flex2_clk", .p = PCK_PARENT_HW_MCK7, .id = 36, }, + { .n = "flex3_clk", .p = PCK_PARENT_HW_MCK7, .id = 37, }, + { .n = "flex4_clk", .p = PCK_PARENT_HW_MCK8, .id = 38, }, + { .n = "flex5_clk", .p = PCK_PARENT_HW_MCK8, .id = 39, }, + { .n = "flex6_clk", .p = PCK_PARENT_HW_MCK8, .id = 40, }, + { .n = "flex7_clk", .p = PCK_PARENT_HW_MCK8, .id = 41, }, + { .n = "flex8_clk", .p = PCK_PARENT_HW_MCK9, .id = 42, }, + { .n = "flex9_clk", .p = PCK_PARENT_HW_MCK9, .id = 43, }, + { .n = "flex10_clk", .p = PCK_PARENT_HW_MCK9, .id = 44, }, + { .n = "gmac0_clk", .p = PCK_PARENT_HW_MCK6, .id = 46, }, + { .n = "gmac1_clk", .p = PCK_PARENT_HW_MCK6, .id = 47, }, + { .n = "gmac0_tsu_clk", .p = PCK_PARENT_HW_MCK1, .id = 49, }, + { .n = "gmac1_tsu_clk", .p = PCK_PARENT_HW_MCK1, .id = 50, }, + { .n = "icm_clk", .p = PCK_PARENT_HW_MCK5, .id = 53, }, + { .n = "i2smcc0_clk", .p = PCK_PARENT_HW_MCK9, .id = 54, .r = { .max = 200000000, }, }, + { .n = "i2smcc1_clk", .p = PCK_PARENT_HW_MCK9, .id = 55, .r = { .max = 200000000, }, }, + { .n = "lcd_clk", .p = PCK_PARENT_HW_MCK3, .id = 56, }, + { .n = "matrix_clk", .p = PCK_PARENT_HW_MCK5, .id = 57, }, + { .n = "mcan0_clk", .p = PCK_PARENT_HW_MCK5, .id = 58, .r = { .max = 200000000, }, }, + { .n = "mcan1_clk", .p = PCK_PARENT_HW_MCK5, .id = 59, .r = { .max = 200000000, }, }, + { .n = "mcan2_clk", .p = PCK_PARENT_HW_MCK5, .id = 60, .r = { .max = 200000000, }, }, + { .n = "mcan3_clk", .p = PCK_PARENT_HW_MCK5, .id = 61, .r = { .max = 200000000, }, }, + { .n = "mcan4_clk", .p = PCK_PARENT_HW_MCK5, .id = 62, .r = { .max = 200000000, }, }, + { .n = "pdmc0_clk", .p = PCK_PARENT_HW_MCK9, .id = 64, .r = { .max = 200000000, }, }, + { .n = "pdmc1_clk", .p = PCK_PARENT_HW_MCK9, .id = 65, .r = { .max = 200000000, }, }, + { .n = "pit64b0_clk", .p = PCK_PARENT_HW_MCK7, .id = 66, }, + { .n = "pit64b1_clk", .p = PCK_PARENT_HW_MCK7, .id = 67, }, + { .n = "pit64b2_clk", .p = PCK_PARENT_HW_MCK7, .id = 68, }, + { .n = "pit64b3_clk", .p = PCK_PARENT_HW_MCK8, .id = 69, }, + { .n = "pit64b4_clk", .p = PCK_PARENT_HW_MCK8, .id = 70, }, + { .n = "pit64b5_clk", .p = PCK_PARENT_HW_MCK8, .id = 71, }, + { .n = "pwm_clk", .p = PCK_PARENT_HW_MCK7, .id = 72, }, + { .n = "qspi0_clk", .p = PCK_PARENT_HW_MCK5, .id = 73, }, + { .n = "qspi1_clk", .p = PCK_PARENT_HW_MCK5, .id = 74, }, + { .n = "sdmmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 75, }, + { .n = "sdmmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 76, }, + { .n = "sdmmc2_clk", .p = PCK_PARENT_HW_MCK1, .id = 77, }, + { .n = "sha_clk", .p = PCK_PARENT_HW_MCK6, .id = 78, }, + { .n = "spdifrx_clk", .p = PCK_PARENT_HW_MCK9, .id = 79, .r = { .max = 200000000, }, }, + { .n = "spdiftx_clk", .p = PCK_PARENT_HW_MCK9, .id = 80, .r = { .max = 200000000, }, }, + { .n = "ssc0_clk", .p = PCK_PARENT_HW_MCK7, .id = 81, .r = { .max = 200000000, }, }, + { .n = "ssc1_clk", .p = PCK_PARENT_HW_MCK8, .id = 82, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch0_clk", .p = PCK_PARENT_HW_MCK8, .id = 83, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch1_clk", .p = PCK_PARENT_HW_MCK8, .id = 84, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch2_clk", .p = PCK_PARENT_HW_MCK8, .id = 85, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch0_clk", .p = PCK_PARENT_HW_MCK5, .id = 86, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch1_clk", .p = PCK_PARENT_HW_MCK5, .id = 87, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch2_clk", .p = PCK_PARENT_HW_MCK5, .id = 88, .r = { .max = 200000000, }, }, + { .n = "tcpca_clk", .p = PCK_PARENT_HW_MCK5, .id = 89, }, + { .n = "tcpcb_clk", .p = PCK_PARENT_HW_MCK5, .id = 90, }, + { .n = "tdes_clk", .p = PCK_PARENT_HW_MCK6, .id = 91, }, + { .n = "trng_clk", .p = PCK_PARENT_HW_MCK6, .id = 92, }, + { .n = "udphsa_clk", .p = PCK_PARENT_HW_MCK5, .id = 99, }, + { .n = "udphsb_clk", .p = PCK_PARENT_HW_MCK5, .id = 100, }, + { .n = "uhphs_clk", .p = PCK_PARENT_HW_MCK5, .id = 101, }, + { .n = "dsi_clk", .p = PCK_PARENT_HW_MCK3, .id = 103, }, + { .n = "lvdsc_clk", .p = PCK_PARENT_HW_MCK3, .id = 104, }, +}; + +/* + * Generic clock description + * @n: clock name + * @pp: PLL parents (entry formed by PLL components identifiers + * (see enum pll_component_id)) + * @pp_mux_table: PLL parents mux table + * @r: clock output range + * @pp_chg_id: id in parent array of changeable PLL parent + * @pp_count: PLL parents count + * @id: clock id + */ +static const struct { + const char *n; + struct { + int pll_id; + int pll_compid; + } pp[8]; + const char pp_mux_table[8]; + struct clk_range r; + int pp_chg_id; + u8 pp_count; + u8 id; +} sama7d65_gck[] = { + { .n = "adc_gclk", + .id = 25, + .r = { .max = 100000000, }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 8, 9, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "asrc_gclk", + .id = 29, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex0_gclk", + .id = 34, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = {8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex1_gclk", + .id = 35, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = {8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex2_gclk", + .id = 36, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = {8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex3_gclk", + .id = 37, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = {8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex4_gclk", + .id = 38, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex5_gclk", + .id = 39, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex6_gclk", + .id = 40, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex7_gclk", + .id = 41, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex8_gclk", + .id = 42, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex9_gclk", + .id = 43, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "flex10_gclk", + .id = 44, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 8, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "gmac0_gclk", + .id = 46, + .r = { .max = 125000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 10, }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "gmac1_gclk", + .id = 47, + .r = { .max = 125000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 10, }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "gmac0_tsu_gclk", + .id = 49, + .r = { .max = 400000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = {10, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "gmac1_tsu_gclk", + .id = 50, + .r = { .max = 400000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 10, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "i2smcc0_gclk", + .id = 54, + .r = { .max = 100000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "i2smcc1_gclk", + .id = 55, + .r = { .max = 100000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "lcdc_gclk", + .id = 56, + .r = { .max = 90000000 }, + .pp_count = 0, + .pp_chg_id = INT_MIN, + }, + + { .n = "mcan0_gclk", + .id = 58, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, + .pp_mux_table = { 12 }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "mcan1_gclk", + .id = 59, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, + .pp_mux_table = { 12 }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "mcan2_gclk", + .id = 60, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, + .pp_mux_table = { 12 }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "mcan3_gclk", + .id = 61, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, + .pp_mux_table = { 12 }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "mcan4_gclk", + .id = 62, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, + .pp_mux_table = { 12 }, + .pp_count = 1, + .pp_chg_id = 4, }, + + { .n = "pdmc0_gclk", + .id = 64, + .r = { .max = 80000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9 }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "pdmc1_gclk", + .id = 65, + .r = { .max = 80000000, }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b0_gclk", + .id = 66, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b1_gclk", + .id = 67, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b2_gclk", + .id = 68, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b3_gclk", + .id = 69, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = {8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b4_gclk", + .id = 70, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = {8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b5_gclk", + .id = 71, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = {8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "qspi0_gclk", + .id = 73, + .r = { .max = 400000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 5, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "qspi1_gclk", + .id = 74, + .r = { .max = 266000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, + .pp_mux_table = { 5, 8, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "sdmmc0_gclk", + .id = 75, + .r = { .max = 208000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 10, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "sdmmc1_gclk", + .id = 76, + .r = { .max = 208000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 10, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "sdmmc2_gclk", + .id = 77, + .r = { .max = 208000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 10 }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "spdifrx_gclk", + .id = 79, + .r = { .max = 150000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "spdiftx_gclk", + .id = 80, + .r = { .max = 25000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "tcb0_ch0_gclk", + .id = 83, + .r = { .max = 34000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "tcb1_ch0_gclk", + .id = 86, + .r = { .max = 67000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "DSI_gclk", + .id = 103, + .r = {.max = 27000000}, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, + .pp_mux_table = {5}, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "I3CC_gclk", + .id = 105, + .r = {.max = 125000000}, + .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = {8, 9, 10, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, +}; + +/* MCK0 characteristics. */ +static const struct clk_master_characteristics mck0_characteristics = { + .output = { .min = 32768, .max = 200000000 }, + .divisors = { 1, 2, 4, 3, 5 }, + .have_div3_pres = 1, +}; + +/* MCK0 layout. */ +static const struct clk_master_layout mck0_layout = { + .mask = 0x773, + .pres_shift = 4, + .offset = 0x28, +}; + +/* Programmable clock layout. */ +static const struct clk_programmable_layout programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 8, + .css_mask = 0x1f, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + +/* Peripheral clock layout. */ +static const struct clk_pcr_layout sama7d65_pcr_layout = { + .offset = 0x88, + .cmd = BIT(31), + .gckcss_mask = GENMASK(12, 8), + .pid_mask = GENMASK(6, 0), +}; + +static void __init sama7d65_pmc_setup(struct device_node *np) +{ + const char *main_xtal_name = "main_xtal"; + struct pmc_data *sama7d65_pmc; + const char *parent_names[11]; + void **alloc_mem = NULL; + int alloc_mem_size = 0; + struct regmap *regmap; + struct clk_hw *hw, *main_rc_hw, *main_osc_hw, *main_xtal_hw; + struct clk_hw *td_slck_hw, *md_slck_hw; + static struct clk_parent_data parent_data; + struct clk_hw *parent_hws[10]; + bool bypass; + int i, j; + + td_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "td_slck")); + md_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "md_slck")); + main_xtal_hw = __clk_get_hw(of_clk_get_by_name(np, main_xtal_name)); + + if (!td_slck_hw || !md_slck_hw || !main_xtal_hw) + return; + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) + return; + + sama7d65_pmc = pmc_data_allocate(PMC_INDEX_MAX, + nck(sama7d65_systemck), + nck(sama7d65_periphck), + nck(sama7d65_gck), 8); + if (!sama7d65_pmc) + return; + + alloc_mem = kmalloc(sizeof(void *) * + (ARRAY_SIZE(sama7d65_mckx) + ARRAY_SIZE(sama7d65_gck)), + GFP_KERNEL); + if (!alloc_mem) + goto err_free; + + main_rc_hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, + 50000000); + if (IS_ERR(main_rc_hw)) + goto err_free; + + bypass = of_property_read_bool(np, "atmel,osc-bypass"); + + parent_data.name = main_xtal_name; + parent_data.fw_name = main_xtal_name; + main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL, + &parent_data, bypass); + if (IS_ERR(main_osc_hw)) + goto err_free; + + parent_hws[0] = main_rc_hw; + parent_hws[1] = main_osc_hw; + hw = at91_clk_register_sam9x5_main(regmap, "mainck", NULL, parent_hws, 2); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->chws[PMC_MAIN] = hw; + + for (i = 0; i < PLL_ID_MAX; i++) { + for (j = 0; j < PLL_COMPID_MAX; j++) { + struct clk_hw *parent_hw; + + if (!sama7d65_plls[i][j].n) + continue; + + switch (sama7d65_plls[i][j].t) { + case PLL_TYPE_FRAC: + switch (sama7d65_plls[i][j].p) { + case SAMA7D65_PLL_PARENT_MAINCK: + parent_hw = sama7d65_pmc->chws[PMC_MAIN]; + break; + case SAMA7D65_PLL_PARENT_MAIN_XTAL: + parent_hw = main_xtal_hw; + break; + default: + /* Should not happen. */ + parent_hw = NULL; + break; + } + + hw = sam9x60_clk_register_frac_pll(regmap, + &pmc_pll_lock, sama7d65_plls[i][j].n, + NULL, parent_hw, i, + sama7d65_plls[i][j].c, + sama7d65_plls[i][j].l, + sama7d65_plls[i][j].f); + break; + + case PLL_TYPE_DIV: + hw = sam9x60_clk_register_div_pll(regmap, + &pmc_pll_lock, sama7d65_plls[i][j].n, + NULL, sama7d65_plls[i][0].hw, i, + sama7d65_plls[i][j].c, + sama7d65_plls[i][j].l, + sama7d65_plls[i][j].f, + sama7d65_plls[i][j].safe_div); + break; + + default: + continue; + } + + if (IS_ERR(hw)) + goto err_free; + + sama7d65_plls[i][j].hw = hw; + if (sama7d65_plls[i][j].eid) + sama7d65_pmc->chws[sama7d65_plls[i][j].eid] = hw; + } + } + + hw = at91_clk_register_master_div(regmap, "mck0", NULL, + sama7d65_plls[PLL_ID_CPU][1].hw, + &mck0_layout, &mck0_characteristics, + &pmc_mck0_lock, CLK_GET_RATE_NOCACHE, 5); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->chws[PMC_MCK] = hw; + sama7d65_mckx[PCK_PARENT_HW_MCK0].hw = hw; + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; + for (i = PCK_PARENT_HW_MCK1; i < ARRAY_SIZE(sama7d65_mckx); i++) { + u8 num_parents = 3 + sama7d65_mckx[i].ep_count; + struct clk_hw *tmp_parent_hws[8]; + u32 *mux_table; + + mux_table = kmalloc_array(num_parents, sizeof(*mux_table), + GFP_KERNEL); + if (!mux_table) + goto err_free; + + alloc_mem[alloc_mem_size++] = mux_table; + + PMC_INIT_TABLE(mux_table, 3); + PMC_FILL_TABLE(&mux_table[3], sama7d65_mckx[i].ep_mux_table, + sama7d65_mckx[i].ep_count); + for (j = 0; j < sama7d65_mckx[i].ep_count; j++) { + u8 pll_id = sama7d65_mckx[i].ep[j].pll_id; + u8 pll_compid = sama7d65_mckx[i].ep[j].pll_compid; + + tmp_parent_hws[j] = sama7d65_plls[pll_id][pll_compid].hw; + } + PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws, + sama7d65_mckx[i].ep_count); + + hw = at91_clk_sama7g5_register_master(regmap, sama7d65_mckx[i].n, + num_parents, NULL, parent_hws, + mux_table, &pmc_mckX_lock, + sama7d65_mckx[i].id, + sama7d65_mckx[i].c, + sama7d65_mckx[i].ep_chg_id); + + if (IS_ERR(hw)) + goto err_free; + + sama7d65_mckx[i].hw = hw; + if (sama7d65_mckx[i].eid) + sama7d65_pmc->chws[sama7d65_mckx[i].eid] = hw; + } + + parent_names[0] = "syspll_divpmcck"; + parent_names[1] = "usbpll_divpmcck"; + parent_names[2] = "main_osc"; + hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 3); + if (IS_ERR(hw)) + goto err_free; + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; + parent_hws[3] = sama7d65_plls[PLL_ID_SYS][PLL_COMPID_DIV0].hw; + parent_hws[4] = sama7d65_plls[PLL_ID_DDR][PLL_COMPID_DIV0].hw; + parent_hws[5] = sama7d65_plls[PLL_ID_GPU][PLL_COMPID_DIV0].hw; + parent_hws[6] = sama7d65_plls[PLL_ID_BAUD][PLL_COMPID_DIV0].hw; + parent_hws[7] = sama7d65_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].hw; + parent_hws[8] = sama7d65_plls[PLL_ID_ETH][PLL_COMPID_DIV0].hw; + + for (i = 0; i < 8; i++) { + char name[6]; + + snprintf(name, sizeof(name), "prog%d", i); + + hw = at91_clk_register_programmable(regmap, name, NULL, parent_hws, + 9, i, + &programmable_layout, + sama7d65_prog_mux_table); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->pchws[i] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sama7d65_systemck); i++) { + hw = at91_clk_register_system(regmap, sama7d65_systemck[i].n, + sama7d65_systemck[i].p, NULL, + sama7d65_systemck[i].id, 0); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->shws[sama7d65_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sama7d65_periphck); i++) { + hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, + &sama7d65_pcr_layout, + sama7d65_periphck[i].n, + NULL, + sama7d65_mckx[sama7d65_periphck[i].p].hw, + sama7d65_periphck[i].id, + &sama7d65_periphck[i].r, + sama7d65_periphck[i].chgp ? 0 : + INT_MIN, 0); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->phws[sama7d65_periphck[i].id] = hw; + } + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; + parent_hws[3] = sama7d65_pmc->chws[PMC_MCK1]; + for (i = 0; i < ARRAY_SIZE(sama7d65_gck); i++) { + u8 num_parents = 4 + sama7d65_gck[i].pp_count; + struct clk_hw *tmp_parent_hws[8]; + u32 *mux_table; + + mux_table = kmalloc_array(num_parents, sizeof(*mux_table), + GFP_KERNEL); + if (!mux_table) + goto err_free; + + alloc_mem[alloc_mem_size++] = mux_table; + + PMC_INIT_TABLE(mux_table, 4); + PMC_FILL_TABLE(&mux_table[4], sama7d65_gck[i].pp_mux_table, + sama7d65_gck[i].pp_count); + for (j = 0; j < sama7d65_gck[i].pp_count; j++) { + u8 pll_id = sama7d65_gck[i].pp[j].pll_id; + u8 pll_compid = sama7d65_gck[i].pp[j].pll_compid; + + tmp_parent_hws[j] = sama7d65_plls[pll_id][pll_compid].hw; + } + PMC_FILL_TABLE(&parent_hws[4], tmp_parent_hws, + sama7d65_gck[i].pp_count); + + hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, + &sama7d65_pcr_layout, + sama7d65_gck[i].n, NULL, + parent_hws, mux_table, + num_parents, + sama7d65_gck[i].id, + &sama7d65_gck[i].r, + sama7d65_gck[i].pp_chg_id); + if (IS_ERR(hw)) + goto err_free; + + sama7d65_pmc->ghws[sama7d65_gck[i].id] = hw; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7d65_pmc); + kfree(alloc_mem); + + return; + +err_free: + if (alloc_mem) { + for (i = 0; i < alloc_mem_size; i++) + kfree(alloc_mem[i]); + kfree(alloc_mem); + } + + kfree(sama7d65_pmc); +} + +/* Some clks are used for a clocksource */ +CLK_OF_DECLARE(sama7d65_pmc, "microchip,sama7d65-pmc", sama7d65_pmc_setup); diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c index 91b5c6f14819..8385badc1c70 100644 --- a/drivers/clk/at91/sama7g5.c +++ b/drivers/clk/at91/sama7g5.c @@ -16,21 +16,6 @@ #include "pmc.h" -#define SAMA7G5_INIT_TABLE(_table, _count) \ - do { \ - u8 _i; \ - for (_i = 0; _i < (_count); _i++) \ - (_table)[_i] = _i; \ - } while (0) - -#define SAMA7G5_FILL_TABLE(_to, _from, _count) \ - do { \ - u8 _i; \ - for (_i = 0; _i < (_count); _i++) { \ - (_to)[_i] = (_from)[_i]; \ - } \ - } while (0) - static DEFINE_SPINLOCK(pmc_pll_lock); static DEFINE_SPINLOCK(pmc_mck0_lock); static DEFINE_SPINLOCK(pmc_mckX_lock); @@ -66,6 +51,7 @@ enum pll_component_id { PLL_COMPID_FRAC, PLL_COMPID_DIV0, PLL_COMPID_DIV1, + PLL_COMPID_MAX, }; /* @@ -116,11 +102,17 @@ static const struct clk_range pll_outputs[] = { { .min = 2343750, .max = 1200000000 }, }; +/* Fractional PLL core output range. */ +static const struct clk_range core_outputs[] = { + { .min = 600000000, .max = 1200000000 }, +}; + /* CPU PLL characteristics. */ static const struct clk_pll_characteristics cpu_pll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(cpu_pll_outputs), .output = cpu_pll_outputs, + .core_output = core_outputs, }; /* PLL characteristics. */ @@ -128,6 +120,7 @@ static const struct clk_pll_characteristics pll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(pll_outputs), .output = pll_outputs, + .core_output = core_outputs, }; /* @@ -165,7 +158,7 @@ static struct sama7g5_pll { u8 t; u8 eid; u8 safe_div; -} sama7g5_plls[][PLL_ID_MAX] = { +} sama7g5_plls[][PLL_COMPID_MAX] = { [PLL_ID_CPU] = { [PLL_COMPID_FRAC] = { .n = "cpupll_fracck", @@ -1038,7 +1031,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np) sama7g5_pmc->chws[PMC_MAIN] = hw; for (i = 0; i < PLL_ID_MAX; i++) { - for (j = 0; j < 3; j++) { + for (j = 0; j < PLL_COMPID_MAX; j++) { struct clk_hw *parent_hw; if (!sama7g5_plls[i][j].n) @@ -1112,17 +1105,17 @@ static void __init sama7g5_pmc_setup(struct device_node *np) if (!mux_table) goto err_free; - SAMA7G5_INIT_TABLE(mux_table, 3); - SAMA7G5_FILL_TABLE(&mux_table[3], sama7g5_mckx[i].ep_mux_table, - sama7g5_mckx[i].ep_count); + PMC_INIT_TABLE(mux_table, 3); + PMC_FILL_TABLE(&mux_table[3], sama7g5_mckx[i].ep_mux_table, + sama7g5_mckx[i].ep_count); for (j = 0; j < sama7g5_mckx[i].ep_count; j++) { u8 pll_id = sama7g5_mckx[i].ep[j].pll_id; u8 pll_compid = sama7g5_mckx[i].ep[j].pll_compid; tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw; } - SAMA7G5_FILL_TABLE(&parent_hws[3], tmp_parent_hws, - sama7g5_mckx[i].ep_count); + PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws, + sama7g5_mckx[i].ep_count); hw = at91_clk_sama7g5_register_master(regmap, sama7g5_mckx[i].n, num_parents, NULL, parent_hws, mux_table, @@ -1208,17 +1201,17 @@ static void __init sama7g5_pmc_setup(struct device_node *np) if (!mux_table) goto err_free; - SAMA7G5_INIT_TABLE(mux_table, 3); - SAMA7G5_FILL_TABLE(&mux_table[3], sama7g5_gck[i].pp_mux_table, - sama7g5_gck[i].pp_count); + PMC_INIT_TABLE(mux_table, 3); + PMC_FILL_TABLE(&mux_table[3], sama7g5_gck[i].pp_mux_table, + sama7g5_gck[i].pp_count); for (j = 0; j < sama7g5_gck[i].pp_count; j++) { u8 pll_id = sama7g5_gck[i].pp[j].pll_id; u8 pll_compid = sama7g5_gck[i].pp[j].pll_compid; tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw; } - SAMA7G5_FILL_TABLE(&parent_hws[3], tmp_parent_hws, - sama7g5_gck[i].pp_count); + PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws, + sama7g5_gck[i].pp_count); hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &sama7g5_pcr_layout, diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c index 7741d8f3dbee..021d1b412af4 100644 --- a/drivers/clk/at91/sckc.c +++ b/drivers/clk/at91/sckc.c @@ -12,6 +12,8 @@ #include <linux/of_address.h> #include <linux/io.h> +#include <dt-bindings/clock/at91.h> + #define SLOW_CLOCK_FREQ 32768 #define SLOWCK_SW_CYCLES 5 #define SLOWCK_SW_TIME_USEC ((SLOWCK_SW_CYCLES * USEC_PER_SEC) / \ @@ -470,7 +472,7 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np) { void __iomem *regbase = of_iomap(np, 0); struct clk_hw_onecell_data *clk_data; - struct clk_hw *slow_rc, *slow_osc; + struct clk_hw *slow_rc, *slow_osc, *hw; const char *xtal_name; const struct clk_hw *parent_hws[2]; static struct clk_parent_data parent_data = { @@ -506,19 +508,19 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np) /* MD_SLCK and TD_SLCK. */ clk_data->num = 2; - clk_data->hws[0] = clk_hw_register_fixed_rate_parent_hw(NULL, "md_slck", - slow_rc, - 0, 32768); - if (IS_ERR(clk_data->hws[0])) + hw = clk_hw_register_fixed_rate_parent_hw(NULL, "md_slck", slow_rc, + 0, 32768); + if (IS_ERR(hw)) goto clk_data_free; + clk_data->hws[SCKC_MD_SLCK] = hw; parent_hws[0] = slow_rc; parent_hws[1] = slow_osc; - clk_data->hws[1] = at91_clk_register_sam9x5_slow(regbase, "td_slck", - parent_hws, 2, - &at91sam9x60_bits); - if (IS_ERR(clk_data->hws[1])) + hw = at91_clk_register_sam9x5_slow(regbase, "td_slck", parent_hws, + 2, &at91sam9x60_bits); + if (IS_ERR(hw)) goto unregister_md_slck; + clk_data->hws[SCKC_TD_SLCK] = hw; ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); if (WARN_ON(ret)) @@ -527,9 +529,9 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np) return; unregister_td_slck: - at91_clk_unregister_sam9x5_slow(clk_data->hws[1]); + at91_clk_unregister_sam9x5_slow(clk_data->hws[SCKC_TD_SLCK]); unregister_md_slck: - clk_hw_unregister(clk_data->hws[0]); + clk_hw_unregister(clk_data->hws[SCKC_MD_SLCK]); clk_data_free: kfree(clk_data); unregister_slow_osc: |