diff options
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/Makefile | 2 | ||||
-rw-r--r-- | drivers/clk/clk-composite.c | 7 | ||||
-rw-r--r-- | drivers/clk/clk-divider.c | 35 | ||||
-rw-r--r-- | drivers/clk/clk-gate.c | 2 | ||||
-rw-r--r-- | drivers/clk/clk-mux.c | 24 | ||||
-rw-r--r-- | drivers/clk/clk-qoric.c | 665 | ||||
-rw-r--r-- | drivers/clk/clk-stm32mp1.c | 1988 | ||||
-rw-r--r-- | drivers/clk/clk.c | 3 | ||||
-rw-r--r-- | drivers/clk/imx/clk-vf610.c | 2 | ||||
-rw-r--r-- | drivers/clk/imx/clk.h | 33 | ||||
-rw-r--r-- | drivers/clk/mxs/clk.h | 2 | ||||
-rw-r--r-- | drivers/clk/rockchip/clk-pll.c | 3 | ||||
-rw-r--r-- | drivers/clk/rockchip/clk-rk3188.c | 3 | ||||
-rw-r--r-- | drivers/clk/rockchip/clk-rk3288.c | 3 | ||||
-rw-r--r-- | drivers/clk/rockchip/clk.c | 16 | ||||
-rw-r--r-- | drivers/clk/rockchip/clk.h | 1 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-periph.c | 2 |
17 files changed, 2735 insertions, 56 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 34c44fff9b..5f28329069 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -14,4 +14,6 @@ obj-$(CONFIG_SOC_QCA_AR9331) += clk-ar933x.o obj-$(CONFIG_SOC_QCA_AR9344) += clk-ar9344.o obj-$(CONFIG_ARCH_IMX) += imx/ obj-$(CONFIG_COMMON_CLK_AT91) += at91/ +obj-$(CONFIG_ARCH_STM32MP) += clk-stm32mp1.o obj-$(CONFIG_MACH_VEXPRESS) += vexpress/ +obj-$(CONFIG_ARCH_LAYERSCAPE) += clk-qoric.o diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c index 5d21a0e7e1..e21ab98453 100644 --- a/drivers/clk/clk-composite.c +++ b/drivers/clk/clk-composite.c @@ -54,7 +54,10 @@ static unsigned long clk_composite_recalc_rate(struct clk *clk, struct clk_composite *composite = to_clk_composite(clk); struct clk *rate_clk = composite->rate_clk; - return rate_clk ? rate_clk->ops->recalc_rate(rate_clk, parent_rate) : 0; + if (rate_clk) + return rate_clk->ops->recalc_rate(rate_clk, parent_rate); + + return parent_rate; } static long clk_composite_round_rate(struct clk *clk, unsigned long rate, @@ -113,7 +116,7 @@ static struct clk_ops clk_composite_ops = { }; struct clk *clk_register_composite(const char *name, - const char **parent_names, int num_parents, + const char * const *parent_names, int num_parents, struct clk *mux_clk, struct clk *rate_clk, struct clk *gate_clk, diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 7b1bdde1ce..d9d3407e75 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -203,8 +203,12 @@ static int clk_divider_bestdiv(struct clk *clk, unsigned long rate, static long clk_divider_round_rate(struct clk *clk, unsigned long rate, unsigned long *parent_rate) { + struct clk_divider *divider = container_of(clk, struct clk_divider, clk); int div; + if (divider->flags & CLK_DIVIDER_READ_ONLY) + return clk_divider_recalc_rate(clk, *parent_rate); + div = clk_divider_bestdiv(clk, rate, parent_rate); return *parent_rate / div; @@ -217,6 +221,9 @@ static int clk_divider_set_rate(struct clk *clk, unsigned long rate, unsigned int div, value; u32 val; + if (divider->flags & CLK_DIVIDER_READ_ONLY) + return 0; + if (clk->flags & CLK_SET_RATE_PARENT) { unsigned long best_parent_rate = parent_rate; div = clk_divider_bestdiv(clk, rate, &best_parent_rate); @@ -249,7 +256,8 @@ struct clk_ops clk_divider_ops = { }; struct clk *clk_divider_alloc(const char *name, const char *parent, - void __iomem *reg, u8 shift, u8 width, unsigned flags) + unsigned clk_flags, void __iomem *reg, u8 shift, + u8 width, unsigned div_flags) { struct clk_divider *div = xzalloc(sizeof(*div)); @@ -257,9 +265,10 @@ struct clk *clk_divider_alloc(const char *name, const char *parent, div->reg = reg; div->width = width; div->parent = parent; + div->flags = div_flags; div->clk.ops = &clk_divider_ops; div->clk.name = name; - div->clk.flags = flags; + div->clk.flags = clk_flags; div->clk.parent_names = &div->parent; div->clk.num_parents = 1; @@ -273,13 +282,14 @@ void clk_divider_free(struct clk *clk) free(d); } -struct clk *clk_divider(const char *name, const char *parent, - void __iomem *reg, u8 shift, u8 width, unsigned flags) +struct clk *clk_divider(const char *name, const char *parent, unsigned clk_flags, + void __iomem *reg, u8 shift, u8 width, unsigned div_flags) { struct clk *d; int ret; - d = clk_divider_alloc(name , parent, reg, shift, width, flags); + d = clk_divider_alloc(name , parent, clk_flags, reg, shift, width, + div_flags); ret = clk_register(d); if (ret) { @@ -291,12 +301,13 @@ struct clk *clk_divider(const char *name, const char *parent, } struct clk *clk_divider_one_based(const char *name, const char *parent, - void __iomem *reg, u8 shift, u8 width, unsigned flags) + unsigned clk_flags, void __iomem *reg, u8 shift, + u8 width, unsigned div_flags) { struct clk_divider *div; struct clk *clk; - clk = clk_divider(name, parent, reg, shift, width, flags); + clk = clk_divider(name, parent, clk_flags, reg, shift, width, div_flags); if (IS_ERR(clk)) return clk; @@ -306,9 +317,10 @@ struct clk *clk_divider_one_based(const char *name, const char *parent, return clk; } -struct clk *clk_divider_table(const char *name, - const char *parent, void __iomem *reg, u8 shift, u8 width, - const struct clk_div_table *table, unsigned flags) +struct clk *clk_divider_table(const char *name, const char *parent, + unsigned clk_flags, void __iomem *reg, u8 shift, + u8 width, const struct clk_div_table *table, + unsigned div_flags) { struct clk_divider *div = xzalloc(sizeof(*div)); const struct clk_div_table *clkt; @@ -318,9 +330,10 @@ struct clk *clk_divider_table(const char *name, div->reg = reg; div->width = width; div->parent = parent; + div->flags = div_flags; div->clk.ops = &clk_divider_ops; div->clk.name = name; - div->clk.flags = flags; + div->clk.flags = clk_flags; div->clk.parent_names = &div->parent; div->clk.num_parents = 1; div->table = table; diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c index 89240ff794..b2b160555e 100644 --- a/drivers/clk/clk-gate.c +++ b/drivers/clk/clk-gate.c @@ -56,7 +56,7 @@ static void clk_gate_disable(struct clk *clk) clk_gate_endisable(clk, 0); } -static int clk_gate_is_enabled(struct clk *clk) +int clk_gate_is_enabled(struct clk *clk) { struct clk_gate *g = container_of(clk, struct clk_gate, clk); u32 val; diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index d5fe640dce..e9cb614005 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -33,6 +33,13 @@ static int clk_mux_set_parent(struct clk *clk, u8 idx) struct clk_mux *m = container_of(clk, struct clk_mux, clk); u32 val; + if (m->flags & CLK_MUX_READ_ONLY) { + if (clk_mux_get_parent(clk) != idx) + return -EPERM; + else + return 0; + } + val = readl(m->reg); val &= ~(((1 << m->width) - 1) << m->shift); val |= idx << m->shift; @@ -51,18 +58,19 @@ struct clk_ops clk_mux_ops = { .set_parent = clk_mux_set_parent, }; -struct clk *clk_mux_alloc(const char *name, void __iomem *reg, - u8 shift, u8 width, const char **parents, u8 num_parents, - unsigned flags) +struct clk *clk_mux_alloc(const char *name, unsigned clk_flags, void __iomem *reg, + u8 shift, u8 width, const char * const *parents, u8 num_parents, + unsigned mux_flags) { struct clk_mux *m = xzalloc(sizeof(*m)); m->reg = reg; m->shift = shift; m->width = width; + m->flags = mux_flags; m->clk.ops = &clk_mux_ops; m->clk.name = name; - m->clk.flags = flags; + m->clk.flags = clk_flags; m->clk.parent_names = parents; m->clk.num_parents = num_parents; @@ -76,13 +84,15 @@ void clk_mux_free(struct clk *clk_mux) free(m); } -struct clk *clk_mux(const char *name, void __iomem *reg, - u8 shift, u8 width, const char **parents, u8 num_parents, unsigned flags) +struct clk *clk_mux(const char *name, unsigned clk_flags, void __iomem *reg, + u8 shift, u8 width, const char * const *parents, + u8 num_parents, unsigned mux_flags) { struct clk *m; int ret; - m = clk_mux_alloc(name, reg, shift, width, parents, num_parents, flags); + m = clk_mux_alloc(name, clk_flags, reg, shift, width, parents, + num_parents, mux_flags); ret = clk_register(m); if (ret) { diff --git a/drivers/clk/clk-qoric.c b/drivers/clk/clk-qoric.c new file mode 100644 index 0000000000..c40c6e90d9 --- /dev/null +++ b/drivers/clk/clk-qoric.c @@ -0,0 +1,665 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * clock driver for Freescale QorIQ SoCs. + */ + +#define pr_fmt(fmt) "clk-qoric: " fmt + +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <io.h> +#include <linux/kernel.h> +#include <of_address.h> +#include <of.h> +#include <asm-generic/div64.h> + +#define PLL_DIV1 0 +#define PLL_DIV2 1 +#define PLL_DIV3 2 +#define PLL_DIV4 3 + +#define PLATFORM_PLL 0 +#define CGA_PLL1 1 +#define CGA_PLL2 2 +#define CGA_PLL3 3 +#define CGA_PLL4 4 /* only on clockgen-1.0, which lacks CGB */ +#define CGB_PLL1 4 +#define CGB_PLL2 5 + +struct clockgen_pll_div { + struct clk *clk; + char name[32]; +}; + +struct clockgen_pll { + struct clockgen_pll_div div[8]; +}; + +#define CLKSEL_VALID 1 + +struct clockgen_sourceinfo { + u32 flags; /* CLKSEL_xxx */ + int pll; /* CGx_PLLn */ + int div; /* PLL_DIVn */ +}; + +#define NUM_MUX_PARENTS 16 + +struct clockgen_muxinfo { + struct clockgen_sourceinfo clksel[NUM_MUX_PARENTS]; +}; + +#define NUM_HWACCEL 5 +#define NUM_CMUX 8 + +struct clockgen; + +#define CG_PLL_8BIT 2 /* PLLCnGSR[CFG] is 8 bits, not 6 */ +#define CG_VER3 4 /* version 3 cg: reg layout different */ +#define CG_LITTLE_ENDIAN 8 + +struct clockgen_chipinfo { + const char *compat; + const struct clockgen_muxinfo *cmux_groups[2]; + const struct clockgen_muxinfo *hwaccel[NUM_HWACCEL]; + void (*init_periph)(struct clockgen *cg); + int cmux_to_group[NUM_CMUX]; /* -1 terminates if fewer than NUM_CMUX */ + u32 pll_mask; /* 1 << n bit set if PLL n is valid */ + u32 flags; /* CG_xxx */ +}; + +struct clockgen { + struct device_node *node; + void __iomem *regs; + struct clockgen_chipinfo info; /* mutable copy */ + struct clk *sysclk, *coreclk; + struct clockgen_pll pll[6]; + struct clk *cmux[NUM_CMUX]; + struct clk *hwaccel[NUM_HWACCEL]; + struct clk *fman[2]; +}; + +static struct clockgen clockgen; + +static void cg_out(struct clockgen *cg, u32 val, u32 __iomem *reg) +{ + if (cg->info.flags & CG_LITTLE_ENDIAN) + iowrite32(val, reg); + else + iowrite32be(val, reg); +} + +static u32 cg_in(struct clockgen *cg, u32 __iomem *reg) +{ + u32 val; + + if (cg->info.flags & CG_LITTLE_ENDIAN) + val = ioread32(reg); + else + val = ioread32be(reg); + + return val; +} + +static const struct clockgen_muxinfo t1023_cmux = { + { + [0] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV1 }, + [1] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + } +}; + +static const struct clockgen_muxinfo t1040_cmux = { + { + [0] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV1 }, + [1] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + [4] = { CLKSEL_VALID, CGA_PLL2, PLL_DIV1 }, + [5] = { CLKSEL_VALID, CGA_PLL2, PLL_DIV2 }, + } +}; + +static const struct clockgen_muxinfo clockgen2_cmux_cga12 = { + { + { CLKSEL_VALID, CGA_PLL1, PLL_DIV1 }, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV4 }, + {}, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV1 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV4 }, + }, +}; + +static const struct clockgen_muxinfo clockgen2_cmux_cgb = { + { + { CLKSEL_VALID, CGB_PLL1, PLL_DIV1 }, + { CLKSEL_VALID, CGB_PLL1, PLL_DIV2 }, + { CLKSEL_VALID, CGB_PLL1, PLL_DIV4 }, + {}, + { CLKSEL_VALID, CGB_PLL2, PLL_DIV1 }, + { CLKSEL_VALID, CGB_PLL2, PLL_DIV2 }, + { CLKSEL_VALID, CGB_PLL2, PLL_DIV4 }, + }, +}; + +static const struct clockgen_muxinfo ls1043a_hwa1 = { + { + {}, + {}, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV3 }, + {}, + {}, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV3 }, + }, +}; + +static const struct clockgen_muxinfo ls1043a_hwa2 = { + { + {}, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV1 }, + {}, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV3 }, + }, +}; + +static const struct clockgen_muxinfo ls1046a_hwa1 = { + { + {}, + {}, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV3 }, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV4 }, + { CLKSEL_VALID, PLATFORM_PLL, PLL_DIV1 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV3 }, + }, +}; + +static const struct clockgen_muxinfo ls1046a_hwa2 = { + { + {}, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV1 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV2 }, + { CLKSEL_VALID, CGA_PLL2, PLL_DIV3 }, + {}, + {}, + { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + }, +}; + +static const struct clockgen_muxinfo ls1012a_cmux = { + { + [0] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV1 }, + {}, + [2] = { CLKSEL_VALID, CGA_PLL1, PLL_DIV2 }, + } +}; + +static void __init t2080_init_periph(struct clockgen *cg) +{ + cg->fman[0] = cg->hwaccel[0]; +} + +static const struct clockgen_chipinfo chipinfo_ls1021a = { + .compat = "fsl,ls1021a-clockgen", + .cmux_groups = { &t1023_cmux }, + .cmux_to_group = { 0, -1 }, + .pll_mask = 0x03, +}; + +static const struct clockgen_chipinfo chipinfo_ls1043a = { + .compat = "fsl,ls1043a-clockgen", + .init_periph = t2080_init_periph, + .cmux_groups = { &t1040_cmux }, + .hwaccel = { &ls1043a_hwa1, &ls1043a_hwa2 }, + .cmux_to_group = { 0, -1 }, + .pll_mask = 0x07, + .flags = CG_PLL_8BIT, +}; + +static const struct clockgen_chipinfo chipinfo_ls1046a = { + .compat = "fsl,ls1046a-clockgen", + .init_periph = t2080_init_periph, + .cmux_groups = { &t1040_cmux }, + .hwaccel = { &ls1046a_hwa1, &ls1046a_hwa2 }, + .cmux_to_group = { 0, -1 }, + .pll_mask = 0x07, + .flags = CG_PLL_8BIT, +}; + +static const struct clockgen_chipinfo chipinfo_ls1088a = { + .compat = "fsl,ls1088a-clockgen", + .cmux_groups = { &clockgen2_cmux_cga12 }, + .cmux_to_group = { 0, 0, -1 }, + .pll_mask = 0x07, + .flags = CG_VER3 | CG_LITTLE_ENDIAN, +}; + +static const struct clockgen_chipinfo chipinfo_ls1012a = { + .compat = "fsl,ls1012a-clockgen", + .cmux_groups = { &ls1012a_cmux }, + .cmux_to_group = { 0, -1 }, + .pll_mask = 0x03, +}; + +static const struct clockgen_chipinfo chipinfo_ls2080a = { + .compat = "fsl,ls2080a-clockgen", + .cmux_groups = { &clockgen2_cmux_cga12, &clockgen2_cmux_cgb }, + .cmux_to_group = { 0, 0, 1, 1, -1 }, + .pll_mask = 0x37, + .flags = CG_VER3 | CG_LITTLE_ENDIAN, +}; + +struct mux_hwclock { + struct clk clk; + struct clockgen *cg; + const struct clockgen_muxinfo *info; + u32 __iomem *reg; + int num_parents; +}; + +#define to_mux_hwclock(p) container_of(p, struct mux_hwclock, clk) +#define CLKSEL_MASK 0x78000000 +#define CLKSEL_SHIFT 27 + +static int mux_set_parent(struct clk *clk, u8 idx) +{ + struct mux_hwclock *hwc = to_mux_hwclock(clk); + + if (idx >= hwc->num_parents) + return -EINVAL; + + cg_out(hwc->cg, (idx << CLKSEL_SHIFT) & CLKSEL_MASK, hwc->reg); + + return 0; +} + +static int mux_get_parent(struct clk *clk) +{ + struct mux_hwclock *hwc = to_mux_hwclock(clk); + + return (cg_in(hwc->cg, hwc->reg) & CLKSEL_MASK) >> CLKSEL_SHIFT; +} + +static const struct clk_ops cmux_ops = { + .get_parent = mux_get_parent, + .set_parent = mux_set_parent, +}; + +/* + * Don't allow setting for now, as the clock options haven't been + * sanitized for additional restrictions. + */ +static const struct clk_ops hwaccel_ops = { + .get_parent = mux_get_parent, +}; + +static const struct clockgen_pll_div *get_pll_div(struct clockgen *cg, + struct mux_hwclock *hwc, + int idx) +{ + const struct clockgen_sourceinfo *clksel = &hwc->info->clksel[idx]; + int pll, div; + + if (!(clksel->flags & CLKSEL_VALID)) + return NULL; + + pll = clksel->pll; + div = clksel->div; + + return &cg->pll[pll].div[div]; +} + +static struct clk * __init create_mux_common(struct clockgen *cg, + struct mux_hwclock *hwc, + const struct clk_ops *ops, + const char *fmt, int idx) +{ + struct clk *clk = &hwc->clk; + const struct clockgen_pll_div *div; + const char **parent_names; + int i, ret; + + parent_names = xzalloc(sizeof(char *) * NUM_MUX_PARENTS); + + for (i = 0; i < NUM_MUX_PARENTS; i++) { + div = get_pll_div(cg, hwc, i); + if (!div) + continue; + + parent_names[i] = div->name; + } + + clk->name = xasprintf(fmt, idx);; + clk->ops = ops; + clk->parent_names = parent_names; + clk->num_parents = hwc->num_parents = i; + hwc->cg = cg; + + ret = clk_register(clk); + if (ret) { + pr_err("%s: Couldn't register %s: %d\n", __func__, clk->name, ret); + kfree(hwc); + return NULL; + } + + return clk; +} + +static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) +{ + struct mux_hwclock *hwc; + const struct clockgen_pll_div *div; + u32 clksel; + + hwc = xzalloc(sizeof(*hwc)); + + if (cg->info.flags & CG_VER3) + hwc->reg = cg->regs + 0x70000 + 0x20 * idx; + else + hwc->reg = cg->regs + 0x20 * idx; + + hwc->info = cg->info.cmux_groups[cg->info.cmux_to_group[idx]]; + + /* + * Find the rate for the default clksel, and treat it as the + * maximum rated core frequency. If this is an incorrect + * assumption, certain clock options (possibly including the + * default clksel) may be inappropriately excluded on certain + * chips. + */ + clksel = (cg_in(cg, hwc->reg) & CLKSEL_MASK) >> CLKSEL_SHIFT; + div = get_pll_div(cg, hwc, clksel); + if (!div) { + kfree(hwc); + return NULL; + } + + return create_mux_common(cg, hwc, &cmux_ops, "cg-cmux%d", idx); +} + +static struct clk * __init create_one_hwaccel(struct clockgen *cg, int idx) +{ + struct mux_hwclock *hwc; + + hwc = xzalloc(sizeof(*hwc)); + + hwc->reg = cg->regs + 0x20 * idx + 0x10; + hwc->info = cg->info.hwaccel[idx]; + + return create_mux_common(cg, hwc, &hwaccel_ops, "cg-hwaccel%d", idx); +} + +static void __init create_muxes(struct clockgen *cg) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cg->cmux); i++) { + if (cg->info.cmux_to_group[i] < 0) + break; + if (cg->info.cmux_to_group[i] >= + ARRAY_SIZE(cg->info.cmux_groups)) { + continue; + } + + cg->cmux[i] = create_one_cmux(cg, i); + } + + for (i = 0; i < ARRAY_SIZE(cg->hwaccel); i++) { + if (!cg->info.hwaccel[i]) + continue; + + cg->hwaccel[i] = create_one_hwaccel(cg, i); + } +} + +#define PLL_KILL BIT(31) + +static void __init create_one_pll(struct clockgen *cg, int idx) +{ + u32 __iomem *reg; + u32 mult; + struct clockgen_pll *pll = &cg->pll[idx]; + const char *input = cg->sysclk->name; + int i; + + if (!(cg->info.pll_mask & (1 << idx))) + return; + + if (cg->coreclk && idx != PLATFORM_PLL) { + if (IS_ERR(cg->coreclk)) + return; + + input = cg->coreclk->name; + } + + if (cg->info.flags & CG_VER3) { + switch (idx) { + case PLATFORM_PLL: + reg = cg->regs + 0x60080; + break; + case CGA_PLL1: + reg = cg->regs + 0x80; + break; + case CGA_PLL2: + reg = cg->regs + 0xa0; + break; + case CGB_PLL1: + reg = cg->regs + 0x10080; + break; + case CGB_PLL2: + reg = cg->regs + 0x100a0; + break; + default: + pr_warn("index %d\n", idx); + return; + } + } else { + if (idx == PLATFORM_PLL) + reg = cg->regs + 0xc00; + else + reg = cg->regs + 0x800 + 0x20 * (idx - 1); + } + + /* Get the multiple of PLL */ + mult = cg_in(cg, reg); + + /* Check if this PLL is disabled */ + if (mult & PLL_KILL) { + pr_debug("%s(): pll %p disabled\n", __func__, reg); + return; + } + + if ((cg->info.flags & CG_VER3) || + ((cg->info.flags & CG_PLL_8BIT) && idx != PLATFORM_PLL)) + mult = (mult & GENMASK(8, 1)) >> 1; + else + mult = (mult & GENMASK(6, 1)) >> 1; + + for (i = 0; i < ARRAY_SIZE(pll->div); i++) { + struct clk *clk; + + /* + * For platform PLL, there are 8 divider clocks. + * For core PLL, there are 4 divider clocks at most. + */ + if (idx != PLATFORM_PLL && i >= 4) + break; + + snprintf(pll->div[i].name, sizeof(pll->div[i].name), + "cg-pll%d-div%d", idx, i + 1); + + clk = clk_fixed_factor(pll->div[i].name, input, mult, i + 1, 0); + if (IS_ERR(clk)) { + pr_err("%s: %s: register failed %ld\n", + __func__, pll->div[i].name, PTR_ERR(clk)); + continue; + } + + pll->div[i].clk = clk; + } +} + +static void __init create_plls(struct clockgen *cg) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(cg->pll); i++) + create_one_pll(cg, i); +} + +static struct clk *clockgen_clk_get(struct of_phandle_args *clkspec, void *data) +{ + struct clockgen *cg = data; + struct clk *clk; + struct clockgen_pll *pll; + u32 type, idx; + + if (clkspec->args_count < 2) { + pr_err("%s: insufficient phandle args\n", __func__); + return ERR_PTR(-EINVAL); + } + + type = clkspec->args[0]; + idx = clkspec->args[1]; + + switch (type) { + case 0: + if (idx != 0) + goto bad_args; + clk = cg->sysclk; + break; + case 1: + if (idx >= ARRAY_SIZE(cg->cmux)) + goto bad_args; + clk = cg->cmux[idx]; + break; + case 2: + if (idx >= ARRAY_SIZE(cg->hwaccel)) + goto bad_args; + clk = cg->hwaccel[idx]; + break; + case 3: + if (idx >= ARRAY_SIZE(cg->fman)) + goto bad_args; + clk = cg->fman[idx]; + break; + case 4: + pll = &cg->pll[PLATFORM_PLL]; + if (idx >= ARRAY_SIZE(pll->div)) + goto bad_args; + clk = pll->div[idx].clk; + break; + case 5: + if (idx != 0) + goto bad_args; + clk = cg->coreclk; + if (IS_ERR(clk)) + clk = NULL; + break; + default: + goto bad_args; + } + + if (!clk) + return ERR_PTR(-ENOENT); + return clk; + +bad_args: + pr_err("%s: Bad phandle args %u %u\n", __func__, type, idx); + return ERR_PTR(-EINVAL); +} + +static void __init clockgen_init(struct device_node *np, + const struct clockgen_chipinfo *chipinfo) +{ + int ret; + + clockgen.node = np; + clockgen.regs = of_iomap(np, 0); + if (!clockgen.regs) { + pr_err("of_iomap failed for %s\n", np->full_name); + return; + } + + clockgen.info = *chipinfo; + + clockgen.sysclk = of_clk_get(clockgen.node, 0); + if (IS_ERR(clockgen.sysclk)) { + pr_err("sysclk not found: %s\n", strerrorp(clockgen.sysclk)); + return; + } + + clockgen.coreclk = of_clk_get(clockgen.node, 1); + if (IS_ERR(clockgen.coreclk)) + clockgen.coreclk = NULL; + + create_plls(&clockgen); + create_muxes(&clockgen); + + if (clockgen.info.init_periph) + clockgen.info.init_periph(&clockgen); + + ret = of_clk_add_provider(np, clockgen_clk_get, &clockgen); + if (ret) { + pr_err("Couldn't register clk provider for node %s: %d\n", + np->full_name, ret); + } + + return; +} + +static void __maybe_unused clockgen_init_ls1012a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls1012a); +} + +static void __maybe_unused clockgen_init_ls1021a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls1021a); +} + +static void __maybe_unused clockgen_init_ls1043a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls1043a); +} + +static void __maybe_unused clockgen_init_ls1046a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls1046a); +} + +static void __maybe_unused clockgen_init_ls1088a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls1088a); +} + +static void __maybe_unused clockgen_init_ls2080a(struct device_node *np) +{ + clockgen_init(np, &chipinfo_ls2080a); +} + +#ifdef CONFIG_ARCH_LS1012 +CLK_OF_DECLARE(qoriq_clockgen_ls1012a, "fsl,ls1012a-clockgen", clockgen_init_ls1012a); +#endif +#ifdef CONFIG_ARCH_LS1021 +CLK_OF_DECLARE(qoriq_clockgen_ls1021a, "fsl,ls1021a-clockgen", clockgen_init_ls1021a); +#endif +#ifdef CONFIG_ARCH_LS1043 +CLK_OF_DECLARE(qoriq_clockgen_ls1043a, "fsl,ls1043a-clockgen", clockgen_init_ls1043a); +#endif +#ifdef CONFIG_ARCH_LS1046 +CLK_OF_DECLARE(qoriq_clockgen_ls1046a, "fsl,ls1046a-clockgen", clockgen_init_ls1046a); +#endif +#ifdef CONFIG_ARCH_LS1088 +CLK_OF_DECLARE(qoriq_clockgen_ls1088a, "fsl,ls1088a-clockgen", clockgen_init_ls1088a); +#endif +#ifdef CONFIG_ARCH_LS2080 +CLK_OF_DECLARE(qoriq_clockgen_ls2080a, "fsl,ls2080a-clockgen", clockgen_init_ls2080a); +#endif diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c new file mode 100644 index 0000000000..6016c5bfd0 --- /dev/null +++ b/drivers/clk/clk-stm32mp1.c @@ -0,0 +1,1988 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) STMicroelectronics 2018 - All Rights Reserved + * Author: Olivier Bideau <olivier.bideau@st.com> for STMicroelectronics. + * Author: Gabriel Fernandez <gabriel.fernandez@st.com> for STMicroelectronics. + */ + +#include <linux/clk.h> +#include <linux/err.h> +#include <io.h> +#include <of.h> +#include <of_address.h> +#include <asm-generic/div64.h> + +#include <dt-bindings/clock/stm32mp1-clks.h> + +#define RCC_OCENSETR 0x0C +#define RCC_HSICFGR 0x18 +#define RCC_RDLSICR 0x144 +#define RCC_PLL1CR 0x80 +#define RCC_PLL1CFGR1 0x84 +#define RCC_PLL1CFGR2 0x88 +#define RCC_PLL2CR 0x94 +#define RCC_PLL2CFGR1 0x98 +#define RCC_PLL2CFGR2 0x9C +#define RCC_PLL3CR 0x880 +#define RCC_PLL3CFGR1 0x884 +#define RCC_PLL3CFGR2 0x888 +#define RCC_PLL4CR 0x894 +#define RCC_PLL4CFGR1 0x898 +#define RCC_PLL4CFGR2 0x89C +#define RCC_APB1ENSETR 0xA00 +#define RCC_APB2ENSETR 0xA08 +#define RCC_APB3ENSETR 0xA10 +#define RCC_APB4ENSETR 0x200 +#define RCC_APB5ENSETR 0x208 +#define RCC_AHB2ENSETR 0xA18 +#define RCC_AHB3ENSETR 0xA20 +#define RCC_AHB4ENSETR 0xA28 +#define RCC_AHB5ENSETR 0x210 +#define RCC_AHB6ENSETR 0x218 +#define RCC_AHB6LPENSETR 0x318 +#define RCC_RCK12SELR 0x28 +#define RCC_RCK3SELR 0x820 +#define RCC_RCK4SELR 0x824 +#define RCC_MPCKSELR 0x20 +#define RCC_ASSCKSELR 0x24 +#define RCC_MSSCKSELR 0x48 +#define RCC_SPI6CKSELR 0xC4 +#define RCC_SDMMC12CKSELR 0x8F4 +#define RCC_SDMMC3CKSELR 0x8F8 +#define RCC_FMCCKSELR 0x904 +#define RCC_I2C46CKSELR 0xC0 +#define RCC_I2C12CKSELR 0x8C0 +#define RCC_I2C35CKSELR 0x8C4 +#define RCC_UART1CKSELR 0xC8 +#define RCC_QSPICKSELR 0x900 +#define RCC_ETHCKSELR 0x8FC +#define RCC_RNG1CKSELR 0xCC +#define RCC_RNG2CKSELR 0x920 +#define RCC_GPUCKSELR 0x938 +#define RCC_USBCKSELR 0x91C +#define RCC_STGENCKSELR 0xD4 +#define RCC_SPDIFCKSELR 0x914 +#define RCC_SPI2S1CKSELR 0x8D8 +#define RCC_SPI2S23CKSELR 0x8DC +#define RCC_SPI2S45CKSELR 0x8E0 +#define RCC_CECCKSELR 0x918 +#define RCC_LPTIM1CKSELR 0x934 +#define RCC_LPTIM23CKSELR 0x930 +#define RCC_LPTIM45CKSELR 0x92C +#define RCC_UART24CKSELR 0x8E8 +#define RCC_UART35CKSELR 0x8EC +#define RCC_UART6CKSELR 0x8E4 +#define RCC_UART78CKSELR 0x8F0 +#define RCC_FDCANCKSELR 0x90C +#define RCC_SAI1CKSELR 0x8C8 +#define RCC_SAI2CKSELR 0x8CC +#define RCC_SAI3CKSELR 0x8D0 +#define RCC_SAI4CKSELR 0x8D4 +#define RCC_ADCCKSELR 0x928 +#define RCC_MPCKDIVR 0x2C +#define RCC_DSICKSELR 0x924 +#define RCC_CPERCKSELR 0xD0 +#define RCC_MCO1CFGR 0x800 +#define RCC_MCO2CFGR 0x804 +#define RCC_BDCR 0x140 +#define RCC_AXIDIVR 0x30 +#define RCC_MCUDIVR 0x830 +#define RCC_APB1DIVR 0x834 +#define RCC_APB2DIVR 0x838 +#define RCC_APB3DIVR 0x83C +#define RCC_APB4DIVR 0x3C +#define RCC_APB5DIVR 0x40 +#define RCC_TIMG1PRER 0x828 +#define RCC_TIMG2PRER 0x82C +#define RCC_RTCDIVR 0x44 +#define RCC_DBGCFGR 0x80C + +#define RCC_CLR 0x4 + +static const char * const ref12_parents[] = { + "ck_hsi", "ck_hse" +}; + +static const char * const ref3_parents[] = { + "ck_hsi", "ck_hse", "ck_csi" +}; + +static const char * const ref4_parents[] = { + "ck_hsi", "ck_hse", "ck_csi" +}; + +static const char * const cpu_src[] = { + "ck_hsi", "ck_hse", "pll1_p" +}; + +static const char * const axi_src[] = { + "ck_hsi", "ck_hse", "pll2_p", "pll3_p" +}; + +static const char * const per_src[] = { + "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const mcu_src[] = { + "ck_hsi", "ck_hse", "ck_csi", "pll3_p" +}; + +static const char * const sdmmc12_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const sdmmc3_src[] = { + "ck_mcu", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const fmc_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const qspi_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const eth_src[] = { + "pll4_p", "pll3_q" +}; + +static const char * const rng_src[] = { + "ck_csi", "pll4_r", "ck_lse", "ck_lsi" +}; + +static const char * const usbphy_src[] = { + "ck_hse", "pll4_r", "clk-hse-div2" +}; + +static const char * const usbo_src[] = { + "pll4_r", "ck_usbo_48m" +}; + +static const char * const stgen_src[] = { + "ck_hsi", "ck_hse" +}; + +static const char * const spdif_src[] = { + "pll4_p", "pll3_q", "ck_hsi" +}; + +static const char * const spi123_src[] = { + "pll4_p", "pll3_q", "i2s_ckin", "ck_per", "pll3_r" +}; + +static const char * const spi45_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const spi6_src[] = { + "pclk5", "pll4_q", "ck_hsi", "ck_csi", "ck_hse", "pll3_q" +}; + +static const char * const cec_src[] = { + "ck_lse", "ck_lsi", "ck_csi" +}; + +static const char * const i2c12_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c35_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c46_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi" +}; + +static const char * const lptim1_src[] = { + "pclk1", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const lptim23_src[] = { + "pclk3", "pll4_q", "ck_per", "ck_lse", "ck_lsi" +}; + +static const char * const lptim45_src[] = { + "pclk3", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const usart1_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi", "pll4_q", "ck_hse" +}; + +static const char * const usart234578_src[] = { + "pclk1", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const usart6_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const fdcan_src[] = { + "ck_hse", "pll3_q", "pll4_q" +}; + +static const char * const sai_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per" +}; + +static const char * const sai2_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "spdif_ck_symb" +}; + +static const char * const adc12_src[] = { + "pll4_q", "ck_per" +}; + +static const char * const dsi_src[] = { + "ck_dsi_phy", "pll4_p" +}; + +static const char * const rtc_src[] = { + "off", "ck_lse", "ck_lsi", "ck_hse_rtc" +}; + +static const char * const mco1_src[] = { + "ck_hsi", "ck_hse", "ck_csi", "ck_lsi", "ck_lse" +}; + +static const char * const mco2_src[] = { + "ck_mpu", "ck_axi", "ck_mcu", "pll4_p", "ck_hse", "ck_hsi" +}; + +static const char * const ck_trace_src[] = { + "ck_axi" +}; + +static const struct clk_div_table axi_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 4 }, { 5, 4 }, { 6, 4 }, { 7, 4 }, + { 0 }, +}; + +static const struct clk_div_table mcu_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 32 }, { 6, 64 }, { 7, 128 }, + { 8, 512 }, { 9, 512 }, { 10, 512}, { 11, 512 }, + { 12, 512 }, { 13, 512 }, { 14, 512}, { 15, 512 }, + { 0 }, +}; + +static const struct clk_div_table apb_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 16 }, { 6, 16 }, { 7, 16 }, + { 0 }, +}; + +static const struct clk_div_table ck_trace_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 16 }, { 6, 16 }, { 7, 16 }, + { 0 }, +}; + +#define MAX_MUX_CLK 2 + +struct stm32_mmux { + u8 nbr_clk; + struct clk *hws[MAX_MUX_CLK]; +}; + +struct stm32_clk_mmux { + struct clk_mux mux; + struct stm32_mmux *mmux; +}; + +struct stm32_mgate { + u8 nbr_clk; + u32 flag; +}; + +struct stm32_clk_mgate { + struct clk_gate gate; + struct stm32_mgate *mgate; + u32 mask; +}; + +struct clock_config { + u32 id; + const char *name; + const char *parent_name; + const char * const *parent_names; + int num_parents; + unsigned long flags; + void *cfg; + struct clk * (*func)(void __iomem *base, const struct clock_config *cfg); +}; + +#define NO_ID ~0 + +struct gate_cfg { + u32 reg_off; + u8 bit_idx; + u8 gate_flags; +}; + +struct fixed_factor_cfg { + unsigned int mult; + unsigned int div; +}; + +struct div_cfg { + u32 reg_off; + u8 shift; + u8 width; + u8 div_flags; + const struct clk_div_table *table; +}; + +struct mux_cfg { + u32 reg_off; + u8 shift; + u8 width; + u8 mux_flags; + u32 *table; +}; + +struct stm32_gate_cfg { + struct gate_cfg *gate; + struct stm32_mgate *mgate; + const struct clk_ops *ops; +}; + +struct stm32_div_cfg { + struct div_cfg *div; + const struct clk_ops *ops; +}; + +struct stm32_mux_cfg { + struct mux_cfg *mux; + struct stm32_mmux *mmux; + const struct clk_ops *ops; +}; + +/* STM32 Composite clock */ +struct stm32_composite_cfg { + const struct stm32_gate_cfg *gate; + const struct stm32_div_cfg *div; + const struct stm32_mux_cfg *mux; +}; + +static struct clk * +_clk_hw_register_gate(void __iomem *base, + const struct clock_config *cfg) +{ + struct gate_cfg *gate_cfg = cfg->cfg; + + return clk_gate(cfg->name, cfg->parent_name, gate_cfg->reg_off + base, + gate_cfg->bit_idx, cfg->flags, gate_cfg->gate_flags); +} + +static struct clk * +_clk_hw_register_fixed_factor(void __iomem *base, + const struct clock_config *cfg) +{ + struct fixed_factor_cfg *ff_cfg = cfg->cfg; + + return clk_fixed_factor(cfg->name, cfg->parent_name, ff_cfg->mult, + ff_cfg->div, cfg->flags); +} + +static struct clk * +_clk_hw_register_divider_table(void __iomem *base, + const struct clock_config *cfg) +{ + + struct div_cfg *div_cfg = cfg->cfg; + + if (div_cfg->table) + return clk_divider_table(cfg->name, cfg->parent_name, cfg->flags, + div_cfg->reg_off + base, div_cfg->shift, + div_cfg->width, div_cfg->table, + div_cfg->div_flags); + else + return clk_divider(cfg->name, cfg->parent_name, cfg->flags, + div_cfg->reg_off + base, div_cfg->shift, + div_cfg->width, div_cfg->div_flags); +} + +static struct clk * +_clk_hw_register_mux(void __iomem *base, + const struct clock_config *cfg) +{ + struct mux_cfg *mux_cfg = cfg->cfg; + + return clk_mux(cfg->name,cfg->flags, mux_cfg->reg_off + base, mux_cfg->shift, + mux_cfg->width, cfg->parent_names, cfg->num_parents, + mux_cfg->mux_flags); +} + +/* MP1 Gate clock with set & clear registers */ + +static int mp1_gate_clk_enable(struct clk *clk) +{ + if (!clk_gate_ops.is_enabled(clk)) + clk_gate_ops.enable(clk); + + return 0; +} + +static void mp1_gate_clk_disable(struct clk *clk) +{ + struct clk_gate *gate = to_clk_gate(clk); + + if (clk_gate_ops.is_enabled(clk)) { + writel(BIT(gate->shift), gate->reg + RCC_CLR); + } +} + +static const struct clk_ops mp1_gate_clk_ops = { + .enable = mp1_gate_clk_enable, + .disable = mp1_gate_clk_disable, + .is_enabled = clk_gate_is_enabled, +}; + +static struct clk *_get_stm32_mux(void __iomem *base, + const struct stm32_mux_cfg *cfg) +{ + struct stm32_clk_mmux *mmux; + struct clk_mux *mux; + struct clk *mux_hw; + + if (cfg->mmux) { + mmux = kzalloc(sizeof(*mmux), GFP_KERNEL); + if (!mmux) + return ERR_PTR(-ENOMEM); + + mmux->mux.reg = cfg->mux->reg_off + base; + mmux->mux.shift = cfg->mux->shift; + mmux->mux.width = cfg->mux->width; + mmux->mmux = cfg->mmux; + mux_hw = &mmux->mux.clk; + cfg->mmux->hws[cfg->mmux->nbr_clk++] = mux_hw; + mux = &mmux->mux; + } else { + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + mux->reg = cfg->mux->reg_off + base; + mux->shift = cfg->mux->shift; + mux->width = cfg->mux->width; + mux_hw = &mux->clk; + } + + if (cfg->ops) + mux->clk.ops = cfg->ops; + else + mux->clk.ops = &clk_mux_ops; + + return mux_hw; +} + +static struct clk *_get_stm32_div(void __iomem *base, + const struct stm32_div_cfg *cfg) +{ + struct clk_divider *div; + + div = kzalloc(sizeof(*div), GFP_KERNEL); + if (!div) + return ERR_PTR(-ENOMEM); + + div->reg = cfg->div->reg_off + base; + div->shift = cfg->div->shift; + div->width = cfg->div->width; + div->flags = cfg->div->div_flags; + div->table = cfg->div->table; + + if (cfg->ops) + div->clk.ops = cfg->ops; + else + div->clk.ops = &clk_divider_ops; + + return &div->clk; +} + +static struct clk_gate * +_get_stm32_gate(void __iomem *base, + const struct stm32_gate_cfg *cfg) +{ + struct stm32_clk_mgate *mgate; + struct clk_gate *gate; + + if (cfg->mgate) { + mgate = kzalloc(sizeof(*mgate), GFP_KERNEL); + if (!mgate) + return ERR_PTR(-ENOMEM); + + mgate->gate.reg = cfg->gate->reg_off + base; + mgate->gate.shift = cfg->gate->bit_idx; + mgate->gate.flags = cfg->gate->gate_flags; + mgate->mask = BIT(cfg->mgate->nbr_clk++); + + mgate->mgate = cfg->mgate; + + gate = &mgate->gate; + + } else { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + gate->reg = cfg->gate->reg_off + base; + gate->shift = cfg->gate->bit_idx; + gate->flags = cfg->gate->gate_flags; + } + + if (cfg->ops) + gate->clk.ops = cfg->ops; + else + gate->clk.ops = &clk_gate_ops; + + return gate; +} + +static struct clk * +clk_stm32_register_gate_ops(const char *name, + const char *parent_name, + unsigned long flags, + void __iomem *base, + const struct stm32_gate_cfg *cfg) +{ + struct clk *clk; + struct clk_gate *gate; + int ret; + + gate = _get_stm32_gate(base, cfg); + if (IS_ERR(gate)) + return ERR_PTR(-ENOMEM); + + gate->parent = parent_name; + clk = &gate->clk; + clk->name = name; + clk->parent_names = &gate->parent; + clk->num_parents = 1; + clk->flags = flags; + + ret = clk_register(clk); + if (ret) + clk = ERR_PTR(ret); + + return clk; +} + +static struct clk * +clk_stm32_register_composite(const char *name, const char * const *parent_names, + int num_parents, void __iomem *base, + const struct stm32_composite_cfg *cfg, + unsigned long flags) +{ + struct clk *mux_hw, *div_hw, *gate_hw; + struct clk_gate *gate; + + mux_hw = NULL; + div_hw = NULL; + gate_hw = NULL; + + if (cfg->mux) + mux_hw = _get_stm32_mux(base, cfg->mux); + + if (cfg->div) + div_hw = _get_stm32_div(base, cfg->div); + + if (cfg->gate) { + gate = _get_stm32_gate(base, cfg->gate); + gate_hw = &gate->clk; + } + + return clk_register_composite(name, parent_names, num_parents, + mux_hw, div_hw, gate_hw, flags); +} + +#define to_clk_mgate(_gate) container_of(_gate, struct stm32_clk_mgate, gate) + +static int mp1_mgate_clk_enable(struct clk *clk) +{ + struct clk_gate *gate = to_clk_gate(clk); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag |= clk_mgate->mask; + + mp1_gate_clk_enable(clk); + + return 0; +} + +static void mp1_mgate_clk_disable(struct clk *clk) +{ + struct clk_gate *gate = to_clk_gate(clk); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag &= ~clk_mgate->mask; + + if (clk_mgate->mgate->flag == 0) + mp1_gate_clk_disable(clk); +} + +static const struct clk_ops mp1_mgate_clk_ops = { + .enable = mp1_mgate_clk_enable, + .disable = mp1_mgate_clk_disable, + .is_enabled = clk_gate_is_enabled, + +}; + +#define to_clk_mmux(_mux) container_of(_mux, struct stm32_clk_mmux, mux) + +static int clk_mmux_get_parent(struct clk *clk) +{ + return clk_mux_ops.get_parent(clk); +} + +static int clk_mmux_set_parent(struct clk *clk, u8 index) +{ + struct clk_mux *mux = to_clk_mux(clk); + struct stm32_clk_mmux *clk_mmux = to_clk_mmux(mux); + struct clk *parent; + int ret, n; + + ret = clk_mux_ops.set_parent(clk, index); + if (ret) + return ret; + + parent = clk_get_parent(clk); + + for (n = 0; n < clk_mmux->mmux->nbr_clk; n++) + clk_set_parent(clk_mmux->mmux->hws[n], parent); + + return 0; +} + +static const struct clk_ops clk_mmux_ops = { + .get_parent = clk_mmux_get_parent, + .set_parent = clk_mmux_set_parent, +}; + +/* STM32 PLL */ +struct stm32_pll_obj { + void __iomem *reg; + const char *parent; + struct clk clk; +}; + +#define to_pll(clk) container_of(clk, struct stm32_pll_obj, clk) + +#define PLL_ON BIT(0) +#define PLL_RDY BIT(1) +#define DIVN_MASK 0x1FF +#define DIVM_MASK 0x3F +#define DIVM_SHIFT 16 +#define DIVN_SHIFT 0 +#define FRAC_OFFSET 0xC +#define FRAC_MASK 0x1FFF +#define FRAC_SHIFT 3 +#define FRACLE BIT(16) + +static int __pll_is_enabled(struct clk *clk) +{ + struct stm32_pll_obj *clk_elem = to_pll(clk); + + return readl(clk_elem->reg) & PLL_ON; +} + +#define TIMEOUT 5 + +static int pll_enable(struct clk *clk) +{ + struct stm32_pll_obj *clk_elem = to_pll(clk); + u32 reg; + unsigned int timeout = TIMEOUT; + int bit_status = 0; + + if (__pll_is_enabled(clk)) + goto unlock; + + reg = readl(clk_elem->reg); + reg |= PLL_ON; + writel(reg, clk_elem->reg); + + /* We can't use readl_poll_timeout() because we can be blocked if + * someone enables this clock before clocksource changes. + * Only jiffies counter is available. Jiffies are incremented by + * interruptions and enable op does not allow to be interrupted. + */ + do { + bit_status = !(readl(clk_elem->reg) & PLL_RDY); + + if (bit_status) + udelay(120); + + } while (bit_status && --timeout); + +unlock: + return bit_status; +} + +static void pll_disable(struct clk *clk) +{ + struct stm32_pll_obj *clk_elem = to_pll(clk); + u32 reg; + + reg = readl(clk_elem->reg); + reg &= ~PLL_ON; + writel(reg, clk_elem->reg); +} + +static u32 pll_frac_val(struct clk *clk) +{ + struct stm32_pll_obj *clk_elem = to_pll(clk); + u32 reg, frac = 0; + + reg = readl(clk_elem->reg + FRAC_OFFSET); + if (reg & FRACLE) + frac = (reg >> FRAC_SHIFT) & FRAC_MASK; + + return frac; +} + +static unsigned long pll_recalc_rate(struct clk *clk, + unsigned long parent_rate) +{ + struct stm32_pll_obj *clk_elem = to_pll(clk); + u32 reg; + u32 frac, divm, divn; + u64 rate, rate_frac = 0; + + reg = readl(clk_elem->reg + 4); + + divm = ((reg >> DIVM_SHIFT) & DIVM_MASK) + 1; + divn = ((reg >> DIVN_SHIFT) & DIVN_MASK) + 1; + rate = (u64)parent_rate * divn; + + do_div(rate, divm); + + frac = pll_frac_val(clk); + if (frac) { + rate_frac = (u64)parent_rate * (u64)frac; + do_div(rate_frac, (divm * 8192)); + } + + return rate + rate_frac; +} + +static int pll_is_enabled(struct clk *clk) +{ + int ret; + + ret = __pll_is_enabled(clk); + + return ret; +} + +static const struct clk_ops pll_ops = { + .enable = pll_enable, + .disable = pll_disable, + .recalc_rate = pll_recalc_rate, + .is_enabled = pll_is_enabled, +}; + +static struct clk *clk_register_pll(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned long flags) +{ + struct stm32_pll_obj *element; + struct clk *clk; + int err; + + element = kzalloc(sizeof(*element), GFP_KERNEL); + if (!element) + return ERR_PTR(-ENOMEM); + + element->parent = parent_name; + + clk = &element->clk; + + clk->name = name; + clk->ops = &pll_ops; + clk->flags = flags; + clk->parent_names = &element->parent; + clk->num_parents = 1; + + element->reg = reg; + + err = clk_register(clk); + + if (err) { + kfree(element); + return ERR_PTR(err); + } + + return clk; +} + +/* Kernel Timer */ +struct timer_cker { + void __iomem *apbdiv; + void __iomem *timpre; + const char *parent; + struct clk clk; +}; + +#define to_timer_cker(_hw) container_of(_hw, struct timer_cker, clk) + +#define APB_DIV_MASK 0x07 +#define TIM_PRE_MASK 0x01 + +static unsigned long __bestmult(struct clk *clk, unsigned long rate, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(clk); + u32 prescaler; + unsigned int mult = 0; + + prescaler = readl(tim_ker->apbdiv) & APB_DIV_MASK; + if (prescaler < 2) + return 1; + + mult = 2; + + if (rate / parent_rate >= 4) + mult = 4; + + return mult; +} + +static long timer_ker_round_rate(struct clk *clk, unsigned long rate, + unsigned long *parent_rate) +{ + unsigned long factor = __bestmult(clk, rate, *parent_rate); + + return *parent_rate * factor; +} + +static int timer_ker_set_rate(struct clk *clk, unsigned long rate, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(clk); + unsigned long factor = __bestmult(clk, rate, parent_rate); + int ret = 0; + + switch (factor) { + case 1: + break; + case 2: + writel(0, tim_ker->timpre); + break; + case 4: + writel(1, tim_ker->timpre); + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static unsigned long timer_ker_recalc_rate(struct clk *hw, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(hw); + u32 prescaler, timpre; + u32 mul; + + prescaler = readl(tim_ker->apbdiv) & APB_DIV_MASK; + + timpre = readl(tim_ker->timpre) & TIM_PRE_MASK; + + if (!prescaler) + return parent_rate; + + mul = (timpre + 1) * 2; + + return parent_rate * mul; +} + +static const struct clk_ops timer_ker_ops = { + .recalc_rate = timer_ker_recalc_rate, + .round_rate = timer_ker_round_rate, + .set_rate = timer_ker_set_rate, + +}; + +static struct clk *clk_register_cktim(const char *name, + const char *parent_name, + unsigned long flags, + void __iomem *apbdiv, + void __iomem *timpre) +{ + struct timer_cker *tim_ker; + struct clk *clk; + int err; + + tim_ker = kzalloc(sizeof(*tim_ker), GFP_KERNEL); + if (!tim_ker) + return ERR_PTR(-ENOMEM); + + clk = &tim_ker->clk; + tim_ker->parent = parent_name; + clk->name = name; + clk->parent_names = &tim_ker->parent; + clk->num_parents = 1; + clk->ops = &timer_ker_ops; + clk->flags = flags; + + tim_ker->apbdiv = apbdiv; + tim_ker->timpre = timpre; + + err = clk_register(clk); + if (err) { + kfree(tim_ker); + return ERR_PTR(err); + } + + return clk; +} + +struct stm32_pll_cfg { + u32 offset; +}; + +static struct clk *_clk_register_pll(void __iomem *base, + const struct clock_config *cfg) +{ + struct stm32_pll_cfg *stm_pll_cfg = cfg->cfg; + + return clk_register_pll(cfg->name, cfg->parent_name, + base + stm_pll_cfg->offset, cfg->flags); +} + +struct stm32_cktim_cfg { + u32 offset_apbdiv; + u32 offset_timpre; +}; + +static struct clk *_clk_register_cktim(void __iomem *base, + const struct clock_config *cfg) +{ + struct stm32_cktim_cfg *cktim_cfg = cfg->cfg; + + return clk_register_cktim(cfg->name, cfg->parent_name, cfg->flags, + cktim_cfg->offset_apbdiv + base, + cktim_cfg->offset_timpre + base); +} + +static struct clk * +_clk_stm32_register_gate(void __iomem *base, + const struct clock_config *cfg) +{ + return clk_stm32_register_gate_ops(cfg->name, cfg->parent_name, + cfg->flags, base, cfg->cfg); +} + +static struct clk * +_clk_stm32_register_composite(void __iomem *base, + const struct clock_config *cfg) +{ + return clk_stm32_register_composite(cfg->name, cfg->parent_names, + cfg->num_parents, base, cfg->cfg, + cfg->flags); +} + +#define GATE(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct gate_cfg) {\ + .reg_off = _offset,\ + .bit_idx = _bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .func = _clk_hw_register_gate,\ +} + +#define FIXED_FACTOR(_id, _name, _parent, _flags, _mult, _div)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct fixed_factor_cfg) {\ + .mult = _mult,\ + .div = _div,\ + },\ + .func = _clk_hw_register_fixed_factor,\ +} + +#define DIV_TABLE(_id, _name, _parent, _flags, _offset, _shift, _width,\ + _div_flags, _div_table)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct div_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .div_flags = _div_flags,\ + .table = _div_table,\ + },\ + .func = _clk_hw_register_divider_table,\ +} + +#define DIV(_id, _name, _parent, _flags, _offset, _shift, _width, _div_flags)\ + DIV_TABLE(_id, _name, _parent, _flags, _offset, _shift, _width,\ + _div_flags, NULL) + +#define MUX(_id, _name, _parents, _flags, _offset, _shift, _width, _mux_flags)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_names = _parents,\ + .num_parents = ARRAY_SIZE(_parents),\ + .flags = _flags,\ + .cfg = &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + },\ + .func = _clk_hw_register_mux,\ +} + +#define PLL(_id, _name, _parent, _flags, _offset)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct stm32_pll_cfg) {\ + .offset = _offset,\ + },\ + .func = _clk_register_pll,\ +} + +#define STM32_CKTIM(_name, _parent, _flags, _offset_apbdiv, _offset_timpre)\ +{\ + .id = NO_ID,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct stm32_cktim_cfg) {\ + .offset_apbdiv = _offset_apbdiv,\ + .offset_timpre = _offset_timpre,\ + },\ + .func = _clk_register_cktim,\ +} + +#define STM32_TIM(_id, _name, _parent, _offset_set, _bit_idx)\ + GATE_MP1(_id, _name, _parent, CLK_SET_RATE_PARENT,\ + _offset_set, _bit_idx, 0) + +/* STM32 GATE */ +#define STM32_GATE(_id, _name, _parent, _flags, _gate)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = (struct stm32_gate_cfg *) {_gate},\ + .func = _clk_stm32_register_gate,\ +} + +#define _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags, _ops)\ + (&(struct stm32_gate_cfg) {\ + &(struct gate_cfg) {\ + .reg_off = _gate_offset,\ + .bit_idx = _gate_bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .ops = _ops,\ + }) + +#define _STM32_MGATE(_mgate)\ + (&per_gate_cfg[_mgate]) + +#define _GATE(_gate_offset, _gate_bit_idx, _gate_flags)\ + _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ + NULL)\ + +#define _GATE_MP1(_gate_offset, _gate_bit_idx, _gate_flags)\ + _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ + &mp1_gate_clk_ops)\ + +#define _MGATE_MP1(_mgate)\ + .gate = &per_gate_cfg[_mgate] + +#define GATE_MP1(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\ + STM32_GATE(_id, _name, _parent, _flags,\ + _GATE_MP1(_offset, _bit_idx, _gate_flags)) + +#define MGATE_MP1(_id, _name, _parent, _flags, _mgate)\ + STM32_GATE(_id, _name, _parent, _flags,\ + _STM32_MGATE(_mgate)) + +#define _STM32_DIV(_div_offset, _div_shift, _div_width,\ + _div_flags, _div_table, _ops)\ + .div = &(struct stm32_div_cfg) {\ + &(struct div_cfg) {\ + .reg_off = _div_offset,\ + .shift = _div_shift,\ + .width = _div_width,\ + .div_flags = _div_flags,\ + .table = _div_table,\ + },\ + .ops = _ops,\ + } + +#define _DIV(_div_offset, _div_shift, _div_width, _div_flags, _div_table)\ + _STM32_DIV(_div_offset, _div_shift, _div_width,\ + _div_flags, _div_table, NULL)\ + +#define _STM32_MUX(_offset, _shift, _width, _mux_flags, _mmux, _ops)\ + .mux = &(struct stm32_mux_cfg) {\ + &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + .table = NULL,\ + },\ + .mmux = _mmux,\ + .ops = _ops,\ + } + +#define _MUX(_offset, _shift, _width, _mux_flags)\ + _STM32_MUX(_offset, _shift, _width, _mux_flags, NULL, NULL)\ + +#define _MMUX(_mmux) .mux = &ker_mux_cfg[_mmux] + +#define PARENT(_parent) ((const char *[]) { _parent}) + +#define _NO_MUX .mux = NULL +#define _NO_DIV .div = NULL +#define _NO_GATE .gate = NULL + +#define COMPOSITE(_id, _name, _parents, _flags, _gate, _mux, _div)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_names = _parents,\ + .num_parents = ARRAY_SIZE(_parents),\ + .flags = _flags,\ + .cfg = &(struct stm32_composite_cfg) {\ + _gate,\ + _mux,\ + _div,\ + },\ + .func = _clk_stm32_register_composite,\ +} + +#define PCLK(_id, _name, _parent, _flags, _mgate)\ + MGATE_MP1(_id, _name, _parent, _flags, _mgate) + +#define KCLK(_id, _name, _parents, _flags, _mgate, _mmux)\ + COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE | _flags,\ + _MGATE_MP1(_mgate),\ + _MMUX(_mmux),\ + _NO_DIV) + +enum { + G_SAI1, + G_SAI2, + G_SAI3, + G_SAI4, + G_SPI1, + G_SPI2, + G_SPI3, + G_SPI4, + G_SPI5, + G_SPI6, + G_SPDIF, + G_I2C1, + G_I2C2, + G_I2C3, + G_I2C4, + G_I2C5, + G_I2C6, + G_USART2, + G_UART4, + G_USART3, + G_UART5, + G_USART1, + G_USART6, + G_UART7, + G_UART8, + G_LPTIM1, + G_LPTIM2, + G_LPTIM3, + G_LPTIM4, + G_LPTIM5, + G_LTDC, + G_DSI, + G_QSPI, + G_FMC, + G_SDMMC1, + G_SDMMC2, + G_SDMMC3, + G_USBO, + G_USBPHY, + G_RNG1, + G_RNG2, + G_FDCAN, + G_DAC12, + G_CEC, + G_ADC12, + G_GPU, + G_STGEN, + G_DFSDM, + G_ADFSDM, + G_TIM2, + G_TIM3, + G_TIM4, + G_TIM5, + G_TIM6, + G_TIM7, + G_TIM12, + G_TIM13, + G_TIM14, + G_MDIO, + G_TIM1, + G_TIM8, + G_TIM15, + G_TIM16, + G_TIM17, + G_SYSCFG, + G_VREF, + G_TMPSENS, + G_PMBCTRL, + G_HDP, + G_IWDG2, + G_STGENRO, + G_DMA1, + G_DMA2, + G_DMAMUX, + G_DCMI, + G_CRYP2, + G_HASH2, + G_CRC2, + G_HSEM, + G_IPCC, + G_GPIOA, + G_GPIOB, + G_GPIOC, + G_GPIOD, + G_GPIOE, + G_GPIOF, + G_GPIOG, + G_GPIOH, + G_GPIOI, + G_GPIOJ, + G_GPIOK, + G_MDMA, + G_ETHCK, + G_ETHTX, + G_ETHRX, + G_ETHMAC, + G_CRC1, + G_USBH, + G_ETHSTP, + G_RTCAPB, + G_TZC1, + G_TZC2, + G_TZPC, + G_IWDG1, + G_BSEC, + G_GPIOZ, + G_CRYP1, + G_HASH1, + G_BKPSRAM, + + G_LAST +}; + +static struct stm32_mgate mp1_mgate[G_LAST]; + +#define _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + _mgate, _ops)\ + [_id] = {\ + &(struct gate_cfg) {\ + .reg_off = _gate_offset,\ + .bit_idx = _gate_bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .mgate = _mgate,\ + .ops = _ops,\ + } + +#define K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + NULL, &mp1_gate_clk_ops) + +#define K_MGATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + &mp1_mgate[_id], &mp1_mgate_clk_ops) + +/* Peripheral gates */ +static struct stm32_gate_cfg per_gate_cfg[G_LAST] = { + /* Multi gates */ + K_GATE(G_MDIO, RCC_APB1ENSETR, 31, 0), + K_MGATE(G_DAC12, RCC_APB1ENSETR, 29, 0), + K_MGATE(G_CEC, RCC_APB1ENSETR, 27, 0), + K_MGATE(G_SPDIF, RCC_APB1ENSETR, 26, 0), + K_MGATE(G_I2C5, RCC_APB1ENSETR, 24, 0), + K_MGATE(G_I2C3, RCC_APB1ENSETR, 23, 0), + K_MGATE(G_I2C2, RCC_APB1ENSETR, 22, 0), + K_MGATE(G_I2C1, RCC_APB1ENSETR, 21, 0), + K_MGATE(G_UART8, RCC_APB1ENSETR, 19, 0), + K_MGATE(G_UART7, RCC_APB1ENSETR, 18, 0), + K_MGATE(G_UART5, RCC_APB1ENSETR, 17, 0), + K_MGATE(G_UART4, RCC_APB1ENSETR, 16, 0), + K_MGATE(G_USART3, RCC_APB1ENSETR, 15, 0), + K_MGATE(G_USART2, RCC_APB1ENSETR, 14, 0), + K_MGATE(G_SPI3, RCC_APB1ENSETR, 12, 0), + K_MGATE(G_SPI2, RCC_APB1ENSETR, 11, 0), + K_MGATE(G_LPTIM1, RCC_APB1ENSETR, 9, 0), + K_GATE(G_TIM14, RCC_APB1ENSETR, 8, 0), + K_GATE(G_TIM13, RCC_APB1ENSETR, 7, 0), + K_GATE(G_TIM12, RCC_APB1ENSETR, 6, 0), + K_GATE(G_TIM7, RCC_APB1ENSETR, 5, 0), + K_GATE(G_TIM6, RCC_APB1ENSETR, 4, 0), + K_GATE(G_TIM5, RCC_APB1ENSETR, 3, 0), + K_GATE(G_TIM4, RCC_APB1ENSETR, 2, 0), + K_GATE(G_TIM3, RCC_APB1ENSETR, 1, 0), + K_GATE(G_TIM2, RCC_APB1ENSETR, 0, 0), + + K_MGATE(G_FDCAN, RCC_APB2ENSETR, 24, 0), + K_GATE(G_ADFSDM, RCC_APB2ENSETR, 21, 0), + K_GATE(G_DFSDM, RCC_APB2ENSETR, 20, 0), + K_MGATE(G_SAI3, RCC_APB2ENSETR, 18, 0), + K_MGATE(G_SAI2, RCC_APB2ENSETR, 17, 0), + K_MGATE(G_SAI1, RCC_APB2ENSETR, 16, 0), + K_MGATE(G_USART6, RCC_APB2ENSETR, 13, 0), + K_MGATE(G_SPI5, RCC_APB2ENSETR, 10, 0), + K_MGATE(G_SPI4, RCC_APB2ENSETR, 9, 0), + K_MGATE(G_SPI1, RCC_APB2ENSETR, 8, 0), + K_GATE(G_TIM17, RCC_APB2ENSETR, 4, 0), + K_GATE(G_TIM16, RCC_APB2ENSETR, 3, 0), + K_GATE(G_TIM15, RCC_APB2ENSETR, 2, 0), + K_GATE(G_TIM8, RCC_APB2ENSETR, 1, 0), + K_GATE(G_TIM1, RCC_APB2ENSETR, 0, 0), + + K_GATE(G_HDP, RCC_APB3ENSETR, 20, 0), + K_GATE(G_PMBCTRL, RCC_APB3ENSETR, 17, 0), + K_GATE(G_TMPSENS, RCC_APB3ENSETR, 16, 0), + K_GATE(G_VREF, RCC_APB3ENSETR, 13, 0), + K_GATE(G_SYSCFG, RCC_APB3ENSETR, 11, 0), + K_MGATE(G_SAI4, RCC_APB3ENSETR, 8, 0), + K_MGATE(G_LPTIM5, RCC_APB3ENSETR, 3, 0), + K_MGATE(G_LPTIM4, RCC_APB3ENSETR, 2, 0), + K_MGATE(G_LPTIM3, RCC_APB3ENSETR, 1, 0), + K_MGATE(G_LPTIM2, RCC_APB3ENSETR, 0, 0), + + K_GATE(G_STGENRO, RCC_APB4ENSETR, 20, 0), + K_MGATE(G_USBPHY, RCC_APB4ENSETR, 16, 0), + K_GATE(G_IWDG2, RCC_APB4ENSETR, 15, 0), + K_MGATE(G_DSI, RCC_APB4ENSETR, 4, 0), + K_MGATE(G_LTDC, RCC_APB4ENSETR, 0, 0), + + K_GATE(G_STGEN, RCC_APB5ENSETR, 20, 0), + K_GATE(G_BSEC, RCC_APB5ENSETR, 16, 0), + K_GATE(G_IWDG1, RCC_APB5ENSETR, 15, 0), + K_GATE(G_TZPC, RCC_APB5ENSETR, 13, 0), + K_GATE(G_TZC2, RCC_APB5ENSETR, 12, 0), + K_GATE(G_TZC1, RCC_APB5ENSETR, 11, 0), + K_GATE(G_RTCAPB, RCC_APB5ENSETR, 8, 0), + K_MGATE(G_USART1, RCC_APB5ENSETR, 4, 0), + K_MGATE(G_I2C6, RCC_APB5ENSETR, 3, 0), + K_MGATE(G_I2C4, RCC_APB5ENSETR, 2, 0), + K_MGATE(G_SPI6, RCC_APB5ENSETR, 0, 0), + + K_MGATE(G_SDMMC3, RCC_AHB2ENSETR, 16, 0), + K_MGATE(G_USBO, RCC_AHB2ENSETR, 8, 0), + K_MGATE(G_ADC12, RCC_AHB2ENSETR, 5, 0), + K_GATE(G_DMAMUX, RCC_AHB2ENSETR, 2, 0), + K_GATE(G_DMA2, RCC_AHB2ENSETR, 1, 0), + K_GATE(G_DMA1, RCC_AHB2ENSETR, 0, 0), + + K_GATE(G_IPCC, RCC_AHB3ENSETR, 12, 0), + K_GATE(G_HSEM, RCC_AHB3ENSETR, 11, 0), + K_GATE(G_CRC2, RCC_AHB3ENSETR, 7, 0), + K_MGATE(G_RNG2, RCC_AHB3ENSETR, 6, 0), + K_GATE(G_HASH2, RCC_AHB3ENSETR, 5, 0), + K_GATE(G_CRYP2, RCC_AHB3ENSETR, 4, 0), + K_GATE(G_DCMI, RCC_AHB3ENSETR, 0, 0), + + K_GATE(G_GPIOK, RCC_AHB4ENSETR, 10, 0), + K_GATE(G_GPIOJ, RCC_AHB4ENSETR, 9, 0), + K_GATE(G_GPIOI, RCC_AHB4ENSETR, 8, 0), + K_GATE(G_GPIOH, RCC_AHB4ENSETR, 7, 0), + K_GATE(G_GPIOG, RCC_AHB4ENSETR, 6, 0), + K_GATE(G_GPIOF, RCC_AHB4ENSETR, 5, 0), + K_GATE(G_GPIOE, RCC_AHB4ENSETR, 4, 0), + K_GATE(G_GPIOD, RCC_AHB4ENSETR, 3, 0), + K_GATE(G_GPIOC, RCC_AHB4ENSETR, 2, 0), + K_GATE(G_GPIOB, RCC_AHB4ENSETR, 1, 0), + K_GATE(G_GPIOA, RCC_AHB4ENSETR, 0, 0), + + K_GATE(G_BKPSRAM, RCC_AHB5ENSETR, 8, 0), + K_MGATE(G_RNG1, RCC_AHB5ENSETR, 6, 0), + K_GATE(G_HASH1, RCC_AHB5ENSETR, 5, 0), + K_GATE(G_CRYP1, RCC_AHB5ENSETR, 4, 0), + K_GATE(G_GPIOZ, RCC_AHB5ENSETR, 0, 0), + + K_GATE(G_USBH, RCC_AHB6ENSETR, 24, 0), + K_GATE(G_CRC1, RCC_AHB6ENSETR, 20, 0), + K_MGATE(G_SDMMC2, RCC_AHB6ENSETR, 17, 0), + K_MGATE(G_SDMMC1, RCC_AHB6ENSETR, 16, 0), + K_MGATE(G_QSPI, RCC_AHB6ENSETR, 14, 0), + K_MGATE(G_FMC, RCC_AHB6ENSETR, 12, 0), + K_GATE(G_ETHMAC, RCC_AHB6ENSETR, 10, 0), + K_GATE(G_ETHRX, RCC_AHB6ENSETR, 9, 0), + K_GATE(G_ETHTX, RCC_AHB6ENSETR, 8, 0), + K_GATE(G_ETHCK, RCC_AHB6ENSETR, 7, 0), + K_MGATE(G_GPU, RCC_AHB6ENSETR, 5, 0), + K_GATE(G_MDMA, RCC_AHB6ENSETR, 0, 0), + K_GATE(G_ETHSTP, RCC_AHB6LPENSETR, 11, 0), +}; + +enum { + M_SDMMC12, + M_SDMMC3, + M_FMC, + M_QSPI, + M_RNG1, + M_RNG2, + M_USBPHY, + M_USBO, + M_STGEN, + M_SPDIF, + M_SPI1, + M_SPI23, + M_SPI45, + M_SPI6, + M_CEC, + M_I2C12, + M_I2C35, + M_I2C46, + M_LPTIM1, + M_LPTIM23, + M_LPTIM45, + M_USART1, + M_UART24, + M_UART35, + M_USART6, + M_UART78, + M_SAI1, + M_SAI2, + M_SAI3, + M_SAI4, + M_DSI, + M_FDCAN, + M_ADC12, + M_ETHCK, + M_CKPER, + M_LAST +}; + +static struct stm32_mmux ker_mux[M_LAST]; + +#define _K_MUX(_id, _offset, _shift, _width, _mux_flags, _mmux, _ops)\ + [_id] = {\ + &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + .table = NULL,\ + },\ + .mmux = _mmux,\ + .ops = _ops,\ + } + +#define K_MUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + NULL, NULL) + +#define K_MMUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + &ker_mux[_id], &clk_mmux_ops) + +static const struct stm32_mux_cfg ker_mux_cfg[M_LAST] = { + /* Kernel multi mux */ + K_MMUX(M_SDMMC12, RCC_SDMMC12CKSELR, 0, 3, 0), + K_MMUX(M_SPI23, RCC_SPI2S23CKSELR, 0, 3, 0), + K_MMUX(M_SPI45, RCC_SPI2S45CKSELR, 0, 3, 0), + K_MMUX(M_I2C12, RCC_I2C12CKSELR, 0, 3, 0), + K_MMUX(M_I2C35, RCC_I2C35CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM23, RCC_LPTIM23CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM45, RCC_LPTIM45CKSELR, 0, 3, 0), + K_MMUX(M_UART24, RCC_UART24CKSELR, 0, 3, 0), + K_MMUX(M_UART35, RCC_UART35CKSELR, 0, 3, 0), + K_MMUX(M_UART78, RCC_UART78CKSELR, 0, 3, 0), + K_MMUX(M_SAI1, RCC_SAI1CKSELR, 0, 3, 0), + K_MMUX(M_ETHCK, RCC_ETHCKSELR, 0, 2, 0), + K_MMUX(M_I2C46, RCC_I2C46CKSELR, 0, 3, 0), + + /* Kernel simple mux */ + K_MUX(M_RNG2, RCC_RNG2CKSELR, 0, 2, 0), + K_MUX(M_SDMMC3, RCC_SDMMC3CKSELR, 0, 3, 0), + K_MUX(M_FMC, RCC_FMCCKSELR, 0, 2, 0), + K_MUX(M_QSPI, RCC_QSPICKSELR, 0, 2, 0), + K_MUX(M_USBPHY, RCC_USBCKSELR, 0, 2, 0), + K_MUX(M_USBO, RCC_USBCKSELR, 4, 1, 0), + K_MUX(M_SPDIF, RCC_SPDIFCKSELR, 0, 2, 0), + K_MUX(M_SPI1, RCC_SPI2S1CKSELR, 0, 3, 0), + K_MUX(M_CEC, RCC_CECCKSELR, 0, 2, 0), + K_MUX(M_LPTIM1, RCC_LPTIM1CKSELR, 0, 3, 0), + K_MUX(M_USART6, RCC_UART6CKSELR, 0, 3, 0), + K_MUX(M_FDCAN, RCC_FDCANCKSELR, 0, 2, 0), + K_MUX(M_SAI2, RCC_SAI2CKSELR, 0, 3, 0), + K_MUX(M_SAI3, RCC_SAI3CKSELR, 0, 3, 0), + K_MUX(M_SAI4, RCC_SAI4CKSELR, 0, 3, 0), + K_MUX(M_ADC12, RCC_ADCCKSELR, 0, 2, 0), + K_MUX(M_DSI, RCC_DSICKSELR, 0, 1, 0), + K_MUX(M_CKPER, RCC_CPERCKSELR, 0, 2, 0), + K_MUX(M_RNG1, RCC_RNG1CKSELR, 0, 2, 0), + K_MUX(M_STGEN, RCC_STGENCKSELR, 0, 2, 0), + K_MUX(M_USART1, RCC_UART1CKSELR, 0, 3, 0), + K_MUX(M_SPI6, RCC_SPI6CKSELR, 0, 3, 0), +}; + +static const struct clock_config stm32mp1_clock_cfg[] = { + /* Oscillator divider */ + DIV(NO_ID, "clk-hsi-div", "clk-hsi", 0, RCC_HSICFGR, 0, 2, + CLK_DIVIDER_READ_ONLY), + + /* External / Internal Oscillators */ + GATE_MP1(CK_HSE, "ck_hse", "clk-hse", 0, RCC_OCENSETR, 8, 0), + GATE_MP1(CK_CSI, "ck_csi", "clk-csi", 0, RCC_OCENSETR, 4, 0), + GATE_MP1(CK_HSI, "ck_hsi", "clk-hsi-div", 0, RCC_OCENSETR, 0, 0), + GATE(CK_LSI, "ck_lsi", "clk-lsi", 0, RCC_RDLSICR, 0, 0), + GATE(CK_LSE, "ck_lse", "clk-lse", 0, RCC_BDCR, 0, 0), + + FIXED_FACTOR(CK_HSE_DIV2, "clk-hse-div2", "ck_hse", 0, 1, 2), + + /* ref clock pll */ + MUX(NO_ID, "ref1", ref12_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK12SELR, + 0, 2, CLK_MUX_READ_ONLY), + + MUX(NO_ID, "ref3", ref3_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK3SELR, + 0, 2, CLK_MUX_READ_ONLY), + + MUX(NO_ID, "ref4", ref4_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK4SELR, + 0, 2, CLK_MUX_READ_ONLY), + + /* PLLs */ + PLL(PLL1, "pll1", "ref1", CLK_IGNORE_UNUSED, RCC_PLL1CR), + PLL(PLL2, "pll2", "ref1", CLK_IGNORE_UNUSED, RCC_PLL2CR), + PLL(PLL3, "pll3", "ref3", CLK_IGNORE_UNUSED, RCC_PLL3CR), + PLL(PLL4, "pll4", "ref4", CLK_IGNORE_UNUSED, RCC_PLL4CR), + + /* ODF */ + COMPOSITE(PLL1_P, "pll1_p", PARENT("pll1"), 0, + _GATE(RCC_PLL1CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL1CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL2_P, "pll2_p", PARENT("pll2"), 0, + _GATE(RCC_PLL2CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL2_Q, "pll2_q", PARENT("pll2"), 0, + _GATE(RCC_PLL2CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL2_R, "pll2_r", PARENT("pll2"), CLK_IS_CRITICAL, + _GATE(RCC_PLL2CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 16, 7, 0, NULL)), + + COMPOSITE(PLL3_P, "pll3_p", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL3_Q, "pll3_q", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL3_R, "pll3_r", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 16, 7, 0, NULL)), + + COMPOSITE(PLL4_P, "pll4_p", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL4_Q, "pll4_q", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL4_R, "pll4_r", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 16, 7, 0, NULL)), + + /* MUX system clocks */ + MUX(CK_PER, "ck_per", per_src, CLK_OPS_PARENT_ENABLE, + RCC_CPERCKSELR, 0, 2, 0), + + MUX(CK_MPU, "ck_mpu", cpu_src, CLK_OPS_PARENT_ENABLE | + CLK_IS_CRITICAL, RCC_MPCKSELR, 0, 2, 0), + + COMPOSITE(CK_AXI, "ck_axi", axi_src, CLK_IS_CRITICAL | + CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MUX(RCC_ASSCKSELR, 0, 2, 0), + _DIV(RCC_AXIDIVR, 0, 3, 0, axi_div_table)), + + COMPOSITE(CK_MCU, "ck_mcu", mcu_src, CLK_IS_CRITICAL | + CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MUX(RCC_MSSCKSELR, 0, 2, 0), + _DIV(RCC_MCUDIVR, 0, 4, 0, mcu_div_table)), + + DIV_TABLE(NO_ID, "pclk1", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB1DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk2", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB2DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk3", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB3DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk4", "ck_axi", CLK_IGNORE_UNUSED, RCC_APB4DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk5", "ck_axi", CLK_IGNORE_UNUSED, RCC_APB5DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + /* Kernel Timers */ + STM32_CKTIM("ck1_tim", "pclk1", 0, RCC_APB1DIVR, RCC_TIMG1PRER), + STM32_CKTIM("ck2_tim", "pclk2", 0, RCC_APB2DIVR, RCC_TIMG2PRER), + + STM32_TIM(TIM2_K, "tim2_k", "ck1_tim", RCC_APB1ENSETR, 0), + STM32_TIM(TIM3_K, "tim3_k", "ck1_tim", RCC_APB1ENSETR, 1), + STM32_TIM(TIM4_K, "tim4_k", "ck1_tim", RCC_APB1ENSETR, 2), + STM32_TIM(TIM5_K, "tim5_k", "ck1_tim", RCC_APB1ENSETR, 3), + STM32_TIM(TIM6_K, "tim6_k", "ck1_tim", RCC_APB1ENSETR, 4), + STM32_TIM(TIM7_K, "tim7_k", "ck1_tim", RCC_APB1ENSETR, 5), + STM32_TIM(TIM12_K, "tim12_k", "ck1_tim", RCC_APB1ENSETR, 6), + STM32_TIM(TIM13_K, "tim13_k", "ck1_tim", RCC_APB1ENSETR, 7), + STM32_TIM(TIM14_K, "tim14_k", "ck1_tim", RCC_APB1ENSETR, 8), + STM32_TIM(TIM1_K, "tim1_k", "ck2_tim", RCC_APB2ENSETR, 0), + STM32_TIM(TIM8_K, "tim8_k", "ck2_tim", RCC_APB2ENSETR, 1), + STM32_TIM(TIM15_K, "tim15_k", "ck2_tim", RCC_APB2ENSETR, 2), + STM32_TIM(TIM16_K, "tim16_k", "ck2_tim", RCC_APB2ENSETR, 3), + STM32_TIM(TIM17_K, "tim17_k", "ck2_tim", RCC_APB2ENSETR, 4), + + /* Peripheral clocks */ + PCLK(TIM2, "tim2", "pclk1", CLK_IGNORE_UNUSED, G_TIM2), + PCLK(TIM3, "tim3", "pclk1", CLK_IGNORE_UNUSED, G_TIM3), + PCLK(TIM4, "tim4", "pclk1", CLK_IGNORE_UNUSED, G_TIM4), + PCLK(TIM5, "tim5", "pclk1", CLK_IGNORE_UNUSED, G_TIM5), + PCLK(TIM6, "tim6", "pclk1", CLK_IGNORE_UNUSED, G_TIM6), + PCLK(TIM7, "tim7", "pclk1", CLK_IGNORE_UNUSED, G_TIM7), + PCLK(TIM12, "tim12", "pclk1", CLK_IGNORE_UNUSED, G_TIM12), + PCLK(TIM13, "tim13", "pclk1", CLK_IGNORE_UNUSED, G_TIM13), + PCLK(TIM14, "tim14", "pclk1", CLK_IGNORE_UNUSED, G_TIM14), + PCLK(LPTIM1, "lptim1", "pclk1", 0, G_LPTIM1), + PCLK(SPI2, "spi2", "pclk1", 0, G_SPI2), + PCLK(SPI3, "spi3", "pclk1", 0, G_SPI3), + PCLK(USART2, "usart2", "pclk1", 0, G_USART2), + PCLK(USART3, "usart3", "pclk1", 0, G_USART3), + PCLK(UART4, "uart4", "pclk1", 0, G_UART4), + PCLK(UART5, "uart5", "pclk1", 0, G_UART5), + PCLK(UART7, "uart7", "pclk1", 0, G_UART7), + PCLK(UART8, "uart8", "pclk1", 0, G_UART8), + PCLK(I2C1, "i2c1", "pclk1", 0, G_I2C1), + PCLK(I2C2, "i2c2", "pclk1", 0, G_I2C2), + PCLK(I2C3, "i2c3", "pclk1", 0, G_I2C3), + PCLK(I2C5, "i2c5", "pclk1", 0, G_I2C5), + PCLK(SPDIF, "spdif", "pclk1", 0, G_SPDIF), + PCLK(CEC, "cec", "pclk1", 0, G_CEC), + PCLK(DAC12, "dac12", "pclk1", 0, G_DAC12), + PCLK(MDIO, "mdio", "pclk1", 0, G_MDIO), + PCLK(TIM1, "tim1", "pclk2", CLK_IGNORE_UNUSED, G_TIM1), + PCLK(TIM8, "tim8", "pclk2", CLK_IGNORE_UNUSED, G_TIM8), + PCLK(TIM15, "tim15", "pclk2", CLK_IGNORE_UNUSED, G_TIM15), + PCLK(TIM16, "tim16", "pclk2", CLK_IGNORE_UNUSED, G_TIM16), + PCLK(TIM17, "tim17", "pclk2", CLK_IGNORE_UNUSED, G_TIM17), + PCLK(SPI1, "spi1", "pclk2", 0, G_SPI1), + PCLK(SPI4, "spi4", "pclk2", 0, G_SPI4), + PCLK(SPI5, "spi5", "pclk2", 0, G_SPI5), + PCLK(USART6, "usart6", "pclk2", 0, G_USART6), + PCLK(SAI1, "sai1", "pclk2", 0, G_SAI1), + PCLK(SAI2, "sai2", "pclk2", 0, G_SAI2), + PCLK(SAI3, "sai3", "pclk2", 0, G_SAI3), + PCLK(DFSDM, "dfsdm", "pclk2", 0, G_DFSDM), + PCLK(FDCAN, "fdcan", "pclk2", 0, G_FDCAN), + PCLK(LPTIM2, "lptim2", "pclk3", 0, G_LPTIM2), + PCLK(LPTIM3, "lptim3", "pclk3", 0, G_LPTIM3), + PCLK(LPTIM4, "lptim4", "pclk3", 0, G_LPTIM4), + PCLK(LPTIM5, "lptim5", "pclk3", 0, G_LPTIM5), + PCLK(SAI4, "sai4", "pclk3", 0, G_SAI4), + PCLK(SYSCFG, "syscfg", "pclk3", 0, G_SYSCFG), + PCLK(VREF, "vref", "pclk3", 13, G_VREF), + PCLK(TMPSENS, "tmpsens", "pclk3", 0, G_TMPSENS), + PCLK(PMBCTRL, "pmbctrl", "pclk3", 0, G_PMBCTRL), + PCLK(HDP, "hdp", "pclk3", 0, G_HDP), + PCLK(LTDC, "ltdc", "pclk4", 0, G_LTDC), + PCLK(DSI, "dsi", "pclk4", 0, G_DSI), + PCLK(IWDG2, "iwdg2", "pclk4", 0, G_IWDG2), + PCLK(USBPHY, "usbphy", "pclk4", 0, G_USBPHY), + PCLK(STGENRO, "stgenro", "pclk4", 0, G_STGENRO), + PCLK(SPI6, "spi6", "pclk5", 0, G_SPI6), + PCLK(I2C4, "i2c4", "pclk5", 0, G_I2C4), + PCLK(I2C6, "i2c6", "pclk5", 0, G_I2C6), + PCLK(USART1, "usart1", "pclk5", 0, G_USART1), + PCLK(RTCAPB, "rtcapb", "pclk5", CLK_IGNORE_UNUSED | + CLK_IS_CRITICAL, G_RTCAPB), + PCLK(TZC1, "tzc1", "ck_axi", CLK_IGNORE_UNUSED, G_TZC1), + PCLK(TZC2, "tzc2", "ck_axi", CLK_IGNORE_UNUSED, G_TZC2), + PCLK(TZPC, "tzpc", "pclk5", CLK_IGNORE_UNUSED, G_TZPC), + PCLK(IWDG1, "iwdg1", "pclk5", 0, G_IWDG1), + PCLK(BSEC, "bsec", "pclk5", CLK_IGNORE_UNUSED, G_BSEC), + PCLK(STGEN, "stgen", "pclk5", CLK_IGNORE_UNUSED, G_STGEN), + PCLK(DMA1, "dma1", "ck_mcu", 0, G_DMA1), + PCLK(DMA2, "dma2", "ck_mcu", 0, G_DMA2), + PCLK(DMAMUX, "dmamux", "ck_mcu", 0, G_DMAMUX), + PCLK(ADC12, "adc12", "ck_mcu", 0, G_ADC12), + PCLK(USBO, "usbo", "ck_mcu", 0, G_USBO), + PCLK(SDMMC3, "sdmmc3", "ck_mcu", 0, G_SDMMC3), + PCLK(DCMI, "dcmi", "ck_mcu", 0, G_DCMI), + PCLK(CRYP2, "cryp2", "ck_mcu", 0, G_CRYP2), + PCLK(HASH2, "hash2", "ck_mcu", 0, G_HASH2), + PCLK(RNG2, "rng2", "ck_mcu", 0, G_RNG2), + PCLK(CRC2, "crc2", "ck_mcu", 0, G_CRC2), + PCLK(HSEM, "hsem", "ck_mcu", 0, G_HSEM), + PCLK(IPCC, "ipcc", "ck_mcu", 0, G_IPCC), + PCLK(GPIOA, "gpioa", "ck_mcu", 0, G_GPIOA), + PCLK(GPIOB, "gpiob", "ck_mcu", 0, G_GPIOB), + PCLK(GPIOC, "gpioc", "ck_mcu", 0, G_GPIOC), + PCLK(GPIOD, "gpiod", "ck_mcu", 0, G_GPIOD), + PCLK(GPIOE, "gpioe", "ck_mcu", 0, G_GPIOE), + PCLK(GPIOF, "gpiof", "ck_mcu", 0, G_GPIOF), + PCLK(GPIOG, "gpiog", "ck_mcu", 0, G_GPIOG), + PCLK(GPIOH, "gpioh", "ck_mcu", 0, G_GPIOH), + PCLK(GPIOI, "gpioi", "ck_mcu", 0, G_GPIOI), + PCLK(GPIOJ, "gpioj", "ck_mcu", 0, G_GPIOJ), + PCLK(GPIOK, "gpiok", "ck_mcu", 0, G_GPIOK), + PCLK(GPIOZ, "gpioz", "ck_axi", CLK_IGNORE_UNUSED, G_GPIOZ), + PCLK(CRYP1, "cryp1", "ck_axi", CLK_IGNORE_UNUSED, G_CRYP1), + PCLK(HASH1, "hash1", "ck_axi", CLK_IGNORE_UNUSED, G_HASH1), + PCLK(RNG1, "rng1", "ck_axi", 0, G_RNG1), + PCLK(BKPSRAM, "bkpsram", "ck_axi", CLK_IGNORE_UNUSED, G_BKPSRAM), + PCLK(MDMA, "mdma", "ck_axi", 0, G_MDMA), + PCLK(GPU, "gpu", "ck_axi", 0, G_GPU), + PCLK(ETHTX, "ethtx", "ck_axi", 0, G_ETHTX), + PCLK(ETHRX, "ethrx", "ck_axi", 0, G_ETHRX), + PCLK(ETHMAC, "ethmac", "ck_axi", 0, G_ETHMAC), + PCLK(FMC, "fmc", "ck_axi", CLK_IGNORE_UNUSED, G_FMC), + PCLK(QSPI, "qspi", "ck_axi", CLK_IGNORE_UNUSED, G_QSPI), + PCLK(SDMMC1, "sdmmc1", "ck_axi", 0, G_SDMMC1), + PCLK(SDMMC2, "sdmmc2", "ck_axi", 0, G_SDMMC2), + PCLK(CRC1, "crc1", "ck_axi", 0, G_CRC1), + PCLK(USBH, "usbh", "ck_axi", 0, G_USBH), + PCLK(ETHSTP, "ethstp", "ck_axi", 0, G_ETHSTP), + + /* Kernel clocks */ + KCLK(SDMMC1_K, "sdmmc1_k", sdmmc12_src, 0, G_SDMMC1, M_SDMMC12), + KCLK(SDMMC2_K, "sdmmc2_k", sdmmc12_src, 0, G_SDMMC2, M_SDMMC12), + KCLK(SDMMC3_K, "sdmmc3_k", sdmmc3_src, 0, G_SDMMC3, M_SDMMC3), + KCLK(FMC_K, "fmc_k", fmc_src, 0, G_FMC, M_FMC), + KCLK(QSPI_K, "qspi_k", qspi_src, 0, G_QSPI, M_QSPI), + KCLK(RNG1_K, "rng1_k", rng_src, 0, G_RNG1, M_RNG1), + KCLK(RNG2_K, "rng2_k", rng_src, 0, G_RNG2, M_RNG2), + KCLK(USBPHY_K, "usbphy_k", usbphy_src, 0, G_USBPHY, M_USBPHY), + KCLK(STGEN_K, "stgen_k", stgen_src, CLK_IS_CRITICAL, G_STGEN, M_STGEN), + KCLK(SPDIF_K, "spdif_k", spdif_src, 0, G_SPDIF, M_SPDIF), + KCLK(SPI1_K, "spi1_k", spi123_src, 0, G_SPI1, M_SPI1), + KCLK(SPI2_K, "spi2_k", spi123_src, 0, G_SPI2, M_SPI23), + KCLK(SPI3_K, "spi3_k", spi123_src, 0, G_SPI3, M_SPI23), + KCLK(SPI4_K, "spi4_k", spi45_src, 0, G_SPI4, M_SPI45), + KCLK(SPI5_K, "spi5_k", spi45_src, 0, G_SPI5, M_SPI45), + KCLK(SPI6_K, "spi6_k", spi6_src, 0, G_SPI6, M_SPI6), + KCLK(CEC_K, "cec_k", cec_src, 0, G_CEC, M_CEC), + KCLK(I2C1_K, "i2c1_k", i2c12_src, 0, G_I2C1, M_I2C12), + KCLK(I2C2_K, "i2c2_k", i2c12_src, 0, G_I2C2, M_I2C12), + KCLK(I2C3_K, "i2c3_k", i2c35_src, 0, G_I2C3, M_I2C35), + KCLK(I2C5_K, "i2c5_k", i2c35_src, 0, G_I2C5, M_I2C35), + KCLK(I2C4_K, "i2c4_k", i2c46_src, 0, G_I2C4, M_I2C46), + KCLK(I2C6_K, "i2c6_k", i2c46_src, 0, G_I2C6, M_I2C46), + KCLK(LPTIM1_K, "lptim1_k", lptim1_src, 0, G_LPTIM1, M_LPTIM1), + KCLK(LPTIM2_K, "lptim2_k", lptim23_src, 0, G_LPTIM2, M_LPTIM23), + KCLK(LPTIM3_K, "lptim3_k", lptim23_src, 0, G_LPTIM3, M_LPTIM23), + KCLK(LPTIM4_K, "lptim4_k", lptim45_src, 0, G_LPTIM4, M_LPTIM45), + KCLK(LPTIM5_K, "lptim5_k", lptim45_src, 0, G_LPTIM5, M_LPTIM45), + KCLK(USART1_K, "usart1_k", usart1_src, 0, G_USART1, M_USART1), + KCLK(USART2_K, "usart2_k", usart234578_src, 0, G_USART2, M_UART24), + KCLK(USART3_K, "usart3_k", usart234578_src, 0, G_USART3, M_UART35), + KCLK(UART4_K, "uart4_k", usart234578_src, 0, G_UART4, M_UART24), + KCLK(UART5_K, "uart5_k", usart234578_src, 0, G_UART5, M_UART35), + KCLK(USART6_K, "uart6_k", usart6_src, 0, G_USART6, M_USART6), + KCLK(UART7_K, "uart7_k", usart234578_src, 0, G_UART7, M_UART78), + KCLK(UART8_K, "uart8_k", usart234578_src, 0, G_UART8, M_UART78), + KCLK(FDCAN_K, "fdcan_k", fdcan_src, 0, G_FDCAN, M_FDCAN), + KCLK(SAI1_K, "sai1_k", sai_src, 0, G_SAI1, M_SAI1), + KCLK(SAI2_K, "sai2_k", sai2_src, 0, G_SAI2, M_SAI2), + KCLK(SAI3_K, "sai3_k", sai_src, 0, G_SAI3, M_SAI3), + KCLK(SAI4_K, "sai4_k", sai_src, 0, G_SAI4, M_SAI4), + KCLK(ADC12_K, "adc12_k", adc12_src, 0, G_ADC12, M_ADC12), + KCLK(DSI_K, "dsi_k", dsi_src, 0, G_DSI, M_DSI), + KCLK(ADFSDM_K, "adfsdm_k", sai_src, 0, G_ADFSDM, M_SAI1), + KCLK(USBO_K, "usbo_k", usbo_src, 0, G_USBO, M_USBO), + KCLK(ETHCK_K, "ethck_k", eth_src, 0, G_ETHCK, M_ETHCK), + + /* Particulary Kernel Clocks (no mux or no gate) */ + MGATE_MP1(DFSDM_K, "dfsdm_k", "ck_mcu", 0, G_DFSDM), + MGATE_MP1(DSI_PX, "dsi_px", "pll4_q", CLK_SET_RATE_PARENT, G_DSI), + MGATE_MP1(LTDC_PX, "ltdc_px", "pll4_q", CLK_SET_RATE_PARENT, G_LTDC), + MGATE_MP1(GPU_K, "gpu_k", "pll2_q", 0, G_GPU), + MGATE_MP1(DAC12_K, "dac12_k", "ck_lsi", 0, G_DAC12), + + COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MMUX(M_ETHCK), + _DIV(RCC_ETHCKSELR, 4, 4, 0, NULL)), + + /* RTC clock */ + DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 7, 0), + + COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_PARENT, + _GATE(RCC_BDCR, 20, 0), + _MUX(RCC_BDCR, 16, 2, 0), + _NO_DIV), + + /* MCO clocks */ + COMPOSITE(CK_MCO1, "ck_mco1", mco1_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO1CFGR, 12, 0), + _MUX(RCC_MCO1CFGR, 0, 3, 0), + _DIV(RCC_MCO1CFGR, 4, 4, 0, NULL)), + + COMPOSITE(CK_MCO2, "ck_mco2", mco2_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO2CFGR, 12, 0), + _MUX(RCC_MCO2CFGR, 0, 3, 0), + _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)), + + /* Debug clocks */ + GATE(CK_DBG, "ck_sys_dbg", "ck_axi", CLK_IGNORE_UNUSED, + RCC_DBGCFGR, 8, 0), + + COMPOSITE(CK_TRACE, "ck_trace", ck_trace_src, CLK_OPS_PARENT_ENABLE, + _GATE(RCC_DBGCFGR, 9, 0), + _NO_MUX, + _DIV(RCC_DBGCFGR, 0, 3, 0, ck_trace_div_table)), +}; + +struct stm32_clock_match_data { + const struct clock_config *cfg; + unsigned int num; + unsigned int maxbinding; +}; + +static struct stm32_clock_match_data stm32mp1_data = { + .cfg = stm32mp1_clock_cfg, + .num = ARRAY_SIZE(stm32mp1_clock_cfg), + .maxbinding = STM32MP1_LAST_CLK, +}; + +static const struct of_device_id stm32mp1_match_data[] = { + { + .compatible = "st,stm32mp1-rcc", + .data = &stm32mp1_data, + }, + { } +}; + +static int stm32_register_hw_clk(struct clk_onecell_data *clk_data, + void __iomem *base, + const struct clock_config *cfg) +{ + struct clk *clk = ERR_PTR(-ENOENT); + + if (cfg->func) + clk = (*cfg->func)(base, cfg); + + if (IS_ERR(clk)) { + pr_err("Unable to register %s\n", cfg->name); + return PTR_ERR(clk); + } + + if (cfg->id != NO_ID) + clk_data->clks[cfg->id] = clk; + + return 0; +} + +static int stm32_rcc_init(struct device_node *np, + void __iomem *base, + const struct of_device_id *match_data) +{ + struct clk_onecell_data *clk_data; + struct clk **clks; + const struct of_device_id *match; + const struct stm32_clock_match_data *data; + int err, n, max_binding; + + match = of_match_node(match_data, np); + if (!match) { + pr_err("%s: match data not found\n", __func__); + return -ENODEV; + } + + data = match->data; + + max_binding = data->maxbinding; + + clk_data = xzalloc(sizeof(*clk_data)); + clk_data->clks = xzalloc(sizeof(void *) * max_binding); + clk_data->clk_num = max_binding; + + clks = clk_data->clks; + + for (n = 0; n < max_binding; n++) + clks[n] = ERR_PTR(-ENOENT); + + for (n = 0; n < data->num; n++) { + err = stm32_register_hw_clk(clk_data, base, + &data->cfg[n]); + if (err) { + pr_err("%s: can't register %s\n", __func__, + data->cfg[n].name); + + kfree(clk_data); + + return err; + } + } + + return of_clk_add_provider(np, of_clk_src_onecell_get, clk_data); +} + +static void stm32mp1_rcc_init(struct device_node *np) +{ + void __iomem *base; + + base = of_iomap(np, 0); + if (!base) { + pr_err("%pOFn: unable to map resource", np); + return; + } + + stm32_rcc_init(np, base, stm32mp1_match_data); +} + +CLK_OF_DECLARE_DRIVER(stm32mp1_rcc, "st,stm32mp1-rcc", stm32mp1_rcc_init); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 6a2d8ad178..ea3304bc7c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -87,6 +87,9 @@ void clk_disable(struct clk *clk) clk->enable_count--; if (!clk->enable_count) { + if (clk->flags & CLK_IS_CRITICAL) + return; + if (clk->ops->disable) clk->ops->disable(clk); diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c index 49d66fb592..1b1b881052 100644 --- a/drivers/clk/imx/clk-vf610.c +++ b/drivers/clk/imx/clk-vf610.c @@ -252,7 +252,7 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_IPG_BUS] = imx_clk_divider("ipg_bus", "platform_bus", CCM_CACRR, 11, 2); clk[VF610_CLK_PLL3_MAIN_DIV] = imx_clk_divider("pll3_usb_otg_div", "pll3_usb_otg", CCM_CACRR, 20, 1); - clk[VF610_CLK_PLL4_MAIN_DIV] = clk_divider_table("pll4_audio_div", "pll4_audio", CCM_CACRR, 6, 3, pll4_audio_div_table, 0); + clk[VF610_CLK_PLL4_MAIN_DIV] = clk_divider_table("pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, pll4_audio_div_table, 0); clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1); clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 945671cbad..875c76a8b3 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -7,34 +7,36 @@ struct clk *clk_gate2(const char *name, const char *parent, void __iomem *reg, static inline struct clk *imx_clk_divider(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width) { - return clk_divider(name, parent, reg, shift, width, CLK_SET_RATE_PARENT); + return clk_divider(name, parent, CLK_SET_RATE_PARENT, reg, shift, width, + 0); } static inline struct clk *imx_clk_divider_flags(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width, unsigned long flags) { - return clk_divider(name, parent, reg, shift, width, flags); + return clk_divider(name, parent, flags, reg, shift, width, 0); } static inline struct clk *imx_clk_divider_np(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width) { - return clk_divider(name, parent, reg, shift, width, 0); + return clk_divider(name, parent, 0, reg, shift, width, 0); } static inline struct clk *imx_clk_divider2(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width) { - return clk_divider(name, parent, reg, shift, width, CLK_OPS_PARENT_ENABLE); + return clk_divider(name, parent, CLK_OPS_PARENT_ENABLE, reg, shift, + width, 0); } static inline struct clk *imx_clk_divider_table(const char *name, const char *parent, void __iomem *reg, u8 shift, u8 width, const struct clk_div_table *table) { - return clk_divider_table(name, parent, reg, shift, width, table, - CLK_SET_RATE_PARENT); + return clk_divider_table(name, parent, CLK_SET_RATE_PARENT, reg, shift, + width, table, 0); } static inline struct clk *imx_clk_fixed_factor(const char *name, @@ -46,35 +48,38 @@ static inline struct clk *imx_clk_fixed_factor(const char *name, static inline struct clk *imx_clk_mux_flags(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents, - unsigned long flags) + unsigned long clk_flags) { - return clk_mux(name, reg, shift, width, parents, num_parents, flags); + return clk_mux(name, clk_flags, reg, shift, width, parents, num_parents, + 0); } static inline struct clk *imx_clk_mux2_flags(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, - int num_parents, unsigned long flags) + int num_parents, unsigned long clk_flags) { - return clk_mux(name, reg, shift, width, parents, num_parents, - flags | CLK_OPS_PARENT_ENABLE); + return clk_mux(name, clk_flags | CLK_OPS_PARENT_ENABLE, reg, shift, + width, parents, num_parents, 0); } static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents) { - return clk_mux(name, reg, shift, width, parents, num_parents, 0); + return clk_mux(name, 0, reg, shift, width, parents, num_parents, 0); } static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents) { - return clk_mux(name, reg, shift, width, parents, num_parents, CLK_OPS_PARENT_ENABLE); + return clk_mux(name, CLK_OPS_PARENT_ENABLE, reg, shift, width, parents, + num_parents, 0); } static inline struct clk *imx_clk_mux_p(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parents, u8 num_parents) { - return clk_mux(name, reg, shift, width, parents, num_parents, CLK_SET_RATE_PARENT); + return clk_mux(name, CLK_SET_RATE_PARENT, reg, shift, width, parents, + num_parents, 0); } static inline struct clk *imx_clk_gate(const char *name, const char *parent, diff --git a/drivers/clk/mxs/clk.h b/drivers/clk/mxs/clk.h index 7bab7b5e6e..00895de507 100644 --- a/drivers/clk/mxs/clk.h +++ b/drivers/clk/mxs/clk.h @@ -40,7 +40,7 @@ static inline struct clk *mxs_clk_gate(const char *name, static inline struct clk *mxs_clk_mux(const char *name, void __iomem *reg, u8 shift, u8 width, const char **parent_names, int num_parents) { - return clk_mux(name, reg, shift, width, parent_names, num_parents, 0); + return clk_mux(name, 0, reg, shift, width, parent_names, num_parents, 0); } static inline struct clk *mxs_clk_fixed_factor(const char *name, diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 87a3969c28..39ccf0a226 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -352,7 +352,8 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, pll_parents[1] = pll->pll_name; pll_parents[2] = parent_names[1]; - pll_mux = clk_mux_alloc(name, base + mode_offset, mode_shift, PLL_MODE_MASK, pll_parents, 3, CLK_SET_RATE_PARENT); + pll_mux = clk_mux_alloc(name, CLK_SET_RATE_PARENT, base + mode_offset, mode_shift, + PLL_MODE_MASK, pll_parents, 3, 0); pll->pll_mux_ops = pll_mux->ops; mux_clk = pll_mux; diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index 7dda2963e3..9340739945 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -25,9 +25,6 @@ #define RK3066_GRF_SOC_STATUS 0x15c #define RK3188_GRF_SOC_STATUS 0xac -#define CLK_SET_RATE_NO_REPARENT 0 -#define CLK_DIVIDER_READ_ONLY 0 - enum rk3188_plls { apll, cpll, dpll, gpll, }; diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index bb111e1e0b..dcfaae2407 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -25,9 +25,6 @@ #define RK3288_GRF_SOC_CON(x) (0x244 + x * 4) #define RK3288_GRF_SOC_STATUS1 0x284 -#define CLK_SET_RATE_NO_REPARENT 0 -#define CLK_DIVIDER_READ_ONLY 0 - enum rk3288_plls { apll, dpll, cpll, gpll, npll, }; diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 3222a4e09e..9e0cbadd57 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -50,7 +50,7 @@ static struct clk *rockchip_clk_register_branch(const char *name, struct clk *div = NULL; if (num_parents > 1) { - mux = clk_mux_alloc(name, base + muxdiv_offset, mux_shift, + mux = clk_mux_alloc(name, 0, base + muxdiv_offset, mux_shift, mux_width, parent_names, num_parents, mux_flags); if (!mux) return ERR_PTR(-ENOMEM); @@ -64,7 +64,7 @@ static struct clk *rockchip_clk_register_branch(const char *name, } if (div_width > 0) { - div = clk_divider_alloc(name, *parent_names, + div = clk_divider_alloc(name, *parent_names, 0, base + muxdiv_offset, div_shift, div_width, div_flags); if (!div) return ERR_PTR(-ENOMEM); @@ -176,25 +176,21 @@ void __init rockchip_clk_register_branches( /* catch simple muxes */ switch (list->branch_type) { case branch_mux: - /* - * mux_flags and flags are ored, this is safe, - * since there is no value clash, but isn't that elegant - */ - clk = clk_mux(list->name, + clk = clk_mux(list->name, flags, reg_base + list->muxdiv_offset, list->mux_shift, list->mux_width, list->parent_names, - list->num_parents, list->mux_flags | flags); + list->num_parents, list->mux_flags); break; case branch_divider: if (list->div_table) clk = clk_divider_table(list->name, - list->parent_names[0], + list->parent_names[0], flags, reg_base + list->muxdiv_offset, list->div_shift, list->div_width, list->div_table, list->div_flags); else clk = clk_divider(list->name, - list->parent_names[0], + list->parent_names[0], flags, reg_base + list->muxdiv_offset, list->div_shift, list->div_width, list->div_flags); diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index aa52638f70..d6798a9055 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -27,7 +27,6 @@ #include <linux/clk.h> /* To keep changes from kernel smaller */ -#define CLK_IGNORE_UNUSED 0 #define CLK_GATE_SET_TO_DISABLE CLK_GATE_INVERTED #define CLK_GET_RATE_NOCACHE 0 diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index fd1e2ed2c6..b4182861e7 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -123,7 +123,7 @@ static struct clk *_tegra_clk_register_periph(const char *name, goto out_periph; } - periph->mux = clk_mux_alloc(NULL, clk_base + reg_offset, 32 - mux_size, + periph->mux = clk_mux_alloc(NULL, 0, clk_base + reg_offset, 32 - mux_size, mux_size, parent_names, num_parents, 0); if (!periph->mux) goto out_mux; |