Hi, Ryan,
In general, the driver patches would be before the device tree changes.
On 19.11.2024 18:40, Ryan.Wanner@xxxxxxxxxxxxx wrote:
> From: Ryan Wanner <Ryan.Wanner@xxxxxxxxxxxxx>
>
> Add clock support for SAMA7D65 SoC.
>
> Signed-off-by: Ryan Wanner <Ryan.Wanner@xxxxxxxxxxxxx>
> ---
> drivers/clk/at91/Makefile | 1 +
> drivers/clk/at91/pmc.c | 1 +
> drivers/clk/at91/sama7d65.c | 1373 +++++++++++++++++++++++++++++++++++
> 3 files changed, 1375 insertions(+)
> create mode 100644 drivers/clk/at91/sama7d65.c
>
> diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
> index 8e3684ba2c74..5e638eb15aba 100644
> --- a/drivers/clk/at91/Makefile
> +++ b/drivers/clk/at91/Makefile
> @@ -25,3 +25,4 @@ 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_SAMA7G5) += sama7g5.o
> +obj-$(CONFIG_SOC_SAMA7D65) += sama7d65.o
> 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/sama7d65.c b/drivers/clk/at91/sama7d65.c
> new file mode 100644
> index 000000000000..c7def5fc161b
> --- /dev/null
> +++ b/drivers/clk/at91/sama7d65.c
> @@ -0,0 +1,1373 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * SAMA7D65 PMC code.
> + *
> + * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
> + *
> + * Author: Ryan Wanner <ryan.wanner@xxxxxxxxxxxxx>
> + */
> +#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};
Missing a space after 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,},
Missing a space after "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,},
Same here.
> +};
> +
> +/* 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;
> +
> + 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;
> +
> + alloc_mem[alloc_mem_size++] = mux_table;
> +
> + 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;
> +
> + 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;
> + alloc_mem[alloc_mem_size++] = mux_table;
> + }
> +
> + 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);
Re: [PATCH 15/15] clk: at91: sama7d65: add sama7d65 pmc driver
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- Subject: Re: [PATCH 15/15] clk: at91: sama7d65: add sama7d65 pmc driver
- From: Claudiu Beznea <claudiu.beznea@xxxxxxxxx>
- Date: Sun, 24 Nov 2024 15:06:28 +0200
- Cc: dharma.b@xxxxxxxxxxxxx, mihai.sain@xxxxxxxxxxxxx, romain.sioen@xxxxxxxxxxxxx, varshini.rajendran@xxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-clk@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-gpio@xxxxxxxxxxxxxxx, linux-spi@xxxxxxxxxxxxxxx, linux-serial@xxxxxxxxxxxxxxx
- In-reply-to: <0b7af2a91d4d58cfd4909d338f1879e14f61f77f.1732030972.git.Ryan.Wanner@microchip.com>
- References: <cover.1732030972.git.Ryan.Wanner@microchip.com> <0b7af2a91d4d58cfd4909d338f1879e14f61f77f.1732030972.git.Ryan.Wanner@microchip.com>
- User-agent: Mozilla Thunderbird
- References:
- [PATCH 00/15] Add support for SAMA7D65
- From: Ryan.Wanner
- [PATCH 15/15] clk: at91: sama7d65: add sama7d65 pmc driver
- From: Ryan.Wanner
- [PATCH 00/15] Add support for SAMA7D65
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- Previous by thread: Re: [PATCH 15/15] clk: at91: sama7d65: add sama7d65 pmc driver
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