diff options
Diffstat (limited to 'drivers/clk/at91/sama7g5.c')
| -rw-r--r-- | drivers/clk/at91/sama7g5.c | 1253 |
1 files changed, 1253 insertions, 0 deletions
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c new file mode 100644 index 0000000000..91b5c6f148 --- /dev/null +++ b/drivers/clk/at91/sama7g5.c @@ -0,0 +1,1253 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SAMA7G5 PMC code. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + */ +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/slab.h> + +#include <dt-bindings/clock/at91.h> + +#include "pmc.h" + +#define SAMA7G5_INIT_TABLE(_table, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) \ + (_table)[_i] = _i; \ + } while (0) + +#define SAMA7G5_FILL_TABLE(_to, _from, _count) \ + do { \ + u8 _i; \ + for (_i = 0; _i < (_count); _i++) { \ + (_to)[_i] = (_from)[_i]; \ + } \ + } while (0) + +static DEFINE_SPINLOCK(pmc_pll_lock); +static DEFINE_SPINLOCK(pmc_mck0_lock); +static DEFINE_SPINLOCK(pmc_mckX_lock); + +/* + * PLL clocks identifiers + * @PLL_ID_CPU: CPU PLL identifier + * @PLL_ID_SYS: System PLL identifier + * @PLL_ID_DDR: DDR PLL identifier + * @PLL_ID_IMG: Image subsystem PLL identifier + * @PLL_ID_BAUD: Baud PLL identifier + * @PLL_ID_AUDIO: Audio PLL identifier + * @PLL_ID_ETH: Ethernet PLL identifier + */ +enum pll_ids { + PLL_ID_CPU, + PLL_ID_SYS, + PLL_ID_DDR, + PLL_ID_IMG, + PLL_ID_BAUD, + PLL_ID_AUDIO, + PLL_ID_ETH, + 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 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 }, +}; + +/* 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, +}; + +/* PLL characteristics. */ +static const struct clk_pll_characteristics pll_characteristics = { + .input = { .min = 12000000, .max = 50000000 }, + .num_output = ARRAY_SIZE(pll_outputs), + .output = pll_outputs, +}; + +/* + * SAMA7G5 PLL possible parents + * @SAMA7G5_PLL_PARENT_MAINCK: MAINCK is PLL a parent + * @SAMA7G5_PLL_PARENT_MAIN_XTAL: MAIN XTAL is a PLL parent + * @SAMA7G5_PLL_PARENT_FRACCK: Frac PLL is a PLL parent (for PLL dividers) + */ +enum sama7g5_pll_parent { + SAMA7G5_PLL_PARENT_MAINCK, + SAMA7G5_PLL_PARENT_MAIN_XTAL, + SAMA7G5_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 sama7g5->chws[] array + * @safe_div: intermediate divider need to be set on PRE_RATE_CHANGE + * notification + */ +static struct sama7g5_pll { + const char *n; + const struct clk_pll_layout *l; + const struct clk_pll_characteristics *c; + struct clk_hw *hw; + unsigned long f; + enum sama7g5_pll_parent p; + u8 t; + u8 eid; + u8 safe_div; +} sama7g5_plls[][PLL_ID_MAX] = { + [PLL_ID_CPU] = { + [PLL_COMPID_FRAC] = { + .n = "cpupll_fracck", + .p = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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_IMG] = { + [PLL_COMPID_FRAC] = { + .n = "imgpll_fracck", + .p = SAMA7G5_PLL_PARENT_MAINCK, + .l = &pll_layout_frac, + .c = &pll_characteristics, + .t = PLL_TYPE_FRAC, + .f = CLK_SET_RATE_GATE, + }, + + [PLL_COMPID_DIV0] = { + .n = "imgpll_divpmcck", + .p = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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_AUDIO] = { + [PLL_COMPID_FRAC] = { + .n = "audiopll_fracck", + .p = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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 = SAMA7G5_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, + }, + }, +}; + +/* 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[1..4]) description + * @n: clock name + * @ep: extra parents names array (entry formed by PLL components + * identifiers (see enum pll_component_id)) + * @hw: pointer to clk_hw + * @ep_chg_id: index in parents array that specifies the changeable + * parent + * @ep_count: extra parents count + * @ep_mux_table: mux table for extra parents + * @id: clock id + * @eid: export index in sama7g5->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; +} sama7g5_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(DDR, DIV0), }, + .ep_mux_table = { 6, }, + .ep_count = 1, + .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), + PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), }, + .ep_mux_table = { 5, 6, 7, }, + .ep_count = 3, + .ep_chg_id = 5, }, + + { .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, }, +}; + +/* + * System clock description + * @n: clock name + * @id: clock id + */ +static const struct { + const char *n; + u8 id; +} sama7g5_systemck[] = { + { .n = "pck0", .id = 8, }, + { .n = "pck1", .id = 9, }, + { .n = "pck2", .id = 10, }, + { .n = "pck3", .id = 11, }, + { .n = "pck4", .id = 12, }, + { .n = "pck5", .id = 13, }, + { .n = "pck6", .id = 14, }, + { .n = "pck7", .id = 15, }, +}; + +/* Mux table for programmable clocks. */ +static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 5, 6, 7, 8, 9, 10, }; + +/* + * Peripheral clock parent hw identifier (used to index in sama7g5_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_MAX: max identifier + */ +enum sama7g5_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_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 sama7g5_pck_parent_hw_id p; + struct clk_range r; + u8 chgp; + u8 id; +} sama7g5_periphck[] = { + { .n = "pioA_clk", .p = PCK_PARENT_HW_MCK0, .id = 11, }, + { .n = "securam_clk", .p = PCK_PARENT_HW_MCK0, .id = 18, }, + { .n = "sfr_clk", .p = PCK_PARENT_HW_MCK1, .id = 19, }, + { .n = "hsmc_clk", .p = PCK_PARENT_HW_MCK1, .id = 21, }, + { .n = "xdmac0_clk", .p = PCK_PARENT_HW_MCK1, .id = 22, }, + { .n = "xdmac1_clk", .p = PCK_PARENT_HW_MCK1, .id = 23, }, + { .n = "xdmac2_clk", .p = PCK_PARENT_HW_MCK1, .id = 24, }, + { .n = "acc_clk", .p = PCK_PARENT_HW_MCK1, .id = 25, }, + { .n = "aes_clk", .p = PCK_PARENT_HW_MCK1, .id = 27, }, + { .n = "tzaesbasc_clk", .p = PCK_PARENT_HW_MCK1, .id = 28, }, + { .n = "asrc_clk", .p = PCK_PARENT_HW_MCK1, .id = 30, .r = { .max = 200000000, }, }, + { .n = "cpkcc_clk", .p = PCK_PARENT_HW_MCK0, .id = 32, }, + { .n = "csi_clk", .p = PCK_PARENT_HW_MCK3, .id = 33, .r = { .max = 266000000, }, .chgp = 1, }, + { .n = "csi2dc_clk", .p = PCK_PARENT_HW_MCK3, .id = 34, .r = { .max = 266000000, }, .chgp = 1, }, + { .n = "eic_clk", .p = PCK_PARENT_HW_MCK1, .id = 37, }, + { .n = "flex0_clk", .p = PCK_PARENT_HW_MCK1, .id = 38, }, + { .n = "flex1_clk", .p = PCK_PARENT_HW_MCK1, .id = 39, }, + { .n = "flex2_clk", .p = PCK_PARENT_HW_MCK1, .id = 40, }, + { .n = "flex3_clk", .p = PCK_PARENT_HW_MCK1, .id = 41, }, + { .n = "flex4_clk", .p = PCK_PARENT_HW_MCK1, .id = 42, }, + { .n = "flex5_clk", .p = PCK_PARENT_HW_MCK1, .id = 43, }, + { .n = "flex6_clk", .p = PCK_PARENT_HW_MCK1, .id = 44, }, + { .n = "flex7_clk", .p = PCK_PARENT_HW_MCK1, .id = 45, }, + { .n = "flex8_clk", .p = PCK_PARENT_HW_MCK1, .id = 46, }, + { .n = "flex9_clk", .p = PCK_PARENT_HW_MCK1, .id = 47, }, + { .n = "flex10_clk", .p = PCK_PARENT_HW_MCK1, .id = 48, }, + { .n = "flex11_clk", .p = PCK_PARENT_HW_MCK1, .id = 49, }, + { .n = "gmac0_clk", .p = PCK_PARENT_HW_MCK1, .id = 51, }, + { .n = "gmac1_clk", .p = PCK_PARENT_HW_MCK1, .id = 52, }, + { .n = "icm_clk", .p = PCK_PARENT_HW_MCK1, .id = 55, }, + { .n = "isc_clk", .p = PCK_PARENT_HW_MCK3, .id = 56, .r = { .max = 266000000, }, .chgp = 1, }, + { .n = "i2smcc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 57, .r = { .max = 200000000, }, }, + { .n = "i2smcc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 58, .r = { .max = 200000000, }, }, + { .n = "matrix_clk", .p = PCK_PARENT_HW_MCK1, .id = 60, }, + { .n = "mcan0_clk", .p = PCK_PARENT_HW_MCK1, .id = 61, .r = { .max = 200000000, }, }, + { .n = "mcan1_clk", .p = PCK_PARENT_HW_MCK1, .id = 62, .r = { .max = 200000000, }, }, + { .n = "mcan2_clk", .p = PCK_PARENT_HW_MCK1, .id = 63, .r = { .max = 200000000, }, }, + { .n = "mcan3_clk", .p = PCK_PARENT_HW_MCK1, .id = 64, .r = { .max = 200000000, }, }, + { .n = "mcan4_clk", .p = PCK_PARENT_HW_MCK1, .id = 65, .r = { .max = 200000000, }, }, + { .n = "mcan5_clk", .p = PCK_PARENT_HW_MCK1, .id = 66, .r = { .max = 200000000, }, }, + { .n = "pdmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 68, .r = { .max = 200000000, }, }, + { .n = "pdmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 69, .r = { .max = 200000000, }, }, + { .n = "pit64b0_clk", .p = PCK_PARENT_HW_MCK1, .id = 70, }, + { .n = "pit64b1_clk", .p = PCK_PARENT_HW_MCK1, .id = 71, }, + { .n = "pit64b2_clk", .p = PCK_PARENT_HW_MCK1, .id = 72, }, + { .n = "pit64b3_clk", .p = PCK_PARENT_HW_MCK1, .id = 73, }, + { .n = "pit64b4_clk", .p = PCK_PARENT_HW_MCK1, .id = 74, }, + { .n = "pit64b5_clk", .p = PCK_PARENT_HW_MCK1, .id = 75, }, + { .n = "pwm_clk", .p = PCK_PARENT_HW_MCK1, .id = 77, }, + { .n = "qspi0_clk", .p = PCK_PARENT_HW_MCK1, .id = 78, }, + { .n = "qspi1_clk", .p = PCK_PARENT_HW_MCK1, .id = 79, }, + { .n = "sdmmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 80, }, + { .n = "sdmmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 81, }, + { .n = "sdmmc2_clk", .p = PCK_PARENT_HW_MCK1, .id = 82, }, + { .n = "sha_clk", .p = PCK_PARENT_HW_MCK1, .id = 83, }, + { .n = "spdifrx_clk", .p = PCK_PARENT_HW_MCK1, .id = 84, .r = { .max = 200000000, }, }, + { .n = "spdiftx_clk", .p = PCK_PARENT_HW_MCK1, .id = 85, .r = { .max = 200000000, }, }, + { .n = "ssc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 86, .r = { .max = 200000000, }, }, + { .n = "ssc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 87, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 88, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 89, .r = { .max = 200000000, }, }, + { .n = "tcb0_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 90, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch0_clk", .p = PCK_PARENT_HW_MCK1, .id = 91, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch1_clk", .p = PCK_PARENT_HW_MCK1, .id = 92, .r = { .max = 200000000, }, }, + { .n = "tcb1_ch2_clk", .p = PCK_PARENT_HW_MCK1, .id = 93, .r = { .max = 200000000, }, }, + { .n = "tcpca_clk", .p = PCK_PARENT_HW_MCK1, .id = 94, }, + { .n = "tcpcb_clk", .p = PCK_PARENT_HW_MCK1, .id = 95, }, + { .n = "tdes_clk", .p = PCK_PARENT_HW_MCK1, .id = 96, }, + { .n = "trng_clk", .p = PCK_PARENT_HW_MCK1, .id = 97, }, + { .n = "udphsa_clk", .p = PCK_PARENT_HW_MCK1, .id = 104, }, + { .n = "udphsb_clk", .p = PCK_PARENT_HW_MCK1, .id = 105, }, + { .n = "uhphs_clk", .p = PCK_PARENT_HW_MCK1, .id = 106, }, +}; + +/* + * 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; +} sama7g5_gck[] = { + { .n = "adc_gclk", + .id = 26, + .r = { .max = 100000000, }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 7, 9, }, + .pp_count = 3, + .pp_chg_id = INT_MIN, }, + + { .n = "asrc_gclk", + .id = 30, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 9, }, + .pp_count = 1, + .pp_chg_id = 3, }, + + { .n = "csi_gclk", + .id = 33, + .r = { .max = 27000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), }, + .pp_mux_table = { 6, 7, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "flex0_gclk", + .id = 38, + .r = { .max = 200000000 }, + .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 = "flex1_gclk", + .id = 39, + .r = { .max = 200000000 }, + .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 = "flex2_gclk", + .id = 40, + .r = { .max = 200000000 }, + .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 = "flex3_gclk", + .id = 41, + .r = { .max = 200000000 }, + .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 = "flex4_gclk", + .id = 42, + .r = { .max = 200000000 }, + .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 = "flex5_gclk", + .id = 43, + .r = { .max = 200000000 }, + .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 = "flex6_gclk", + .id = 44, + .r = { .max = 200000000 }, + .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 = "flex7_gclk", + .id = 45, + .r = { .max = 200000000 }, + .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 = "flex8_gclk", + .id = 46, + .r = { .max = 200000000 }, + .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 = "flex9_gclk", + .id = 47, + .r = { .max = 200000000 }, + .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 = "flex10_gclk", + .id = 48, + .r = { .max = 200000000 }, + .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 = "flex11_gclk", + .id = 49, + .r = { .max = 200000000 }, + .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 = "gmac0_gclk", + .id = 51, + .r = { .max = 125000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 10, }, + .pp_count = 1, + .pp_chg_id = 3, }, + + { .n = "gmac1_gclk", + .id = 52, + .r = { .max = 50000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 10, }, + .pp_count = 1, + .pp_chg_id = INT_MIN, }, + + { .n = "gmac0_tsu_gclk", + .id = 53, + .r = { .max = 300000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 9, 10, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "gmac1_tsu_gclk", + .id = 54, + .r = { .max = 300000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 9, 10, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "i2smcc0_gclk", + .id = 57, + .r = { .max = 100000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "i2smcc1_gclk", + .id = 58, + .r = { .max = 100000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "mcan0_gclk", + .id = 61, + .r = { .max = 200000000 }, + .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 = "mcan1_gclk", + .id = 62, + .r = { .max = 200000000 }, + .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 = "mcan2_gclk", + .id = 63, + .r = { .max = 200000000 }, + .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 = "mcan3_gclk", + .id = 64, + .r = { .max = 200000000 }, + .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 = "mcan4_gclk", + .id = 65, + .r = { .max = 200000000 }, + .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 = "mcan5_gclk", + .id = 66, + .r = { .max = 200000000 }, + .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 = "pdmc0_gclk", + .id = 68, + .r = { .max = 50000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "pdmc1_gclk", + .id = 69, + .r = { .max = 50000000, }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b0_gclk", + .id = 70, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b1_gclk", + .id = 71, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b2_gclk", + .id = 72, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b3_gclk", + .id = 73, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b4_gclk", + .id = 74, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "pit64b5_gclk", + .id = 75, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "qspi0_gclk", + .id = 78, + .r = { .max = 200000000 }, + .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 = 79, + .r = { .max = 200000000 }, + .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 = 80, + .r = { .max = 208000000 }, + .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 = 4, }, + + { .n = "sdmmc1_gclk", + .id = 81, + .r = { .max = 208000000 }, + .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 = 4, }, + + { .n = "sdmmc2_gclk", + .id = 82, + .r = { .max = 208000000 }, + .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 = 4, }, + + { .n = "spdifrx_gclk", + .id = 84, + .r = { .max = 150000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "spdiftx_gclk", + .id = 85, + .r = { .max = 25000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, + .pp_mux_table = { 5, 9, }, + .pp_count = 2, + .pp_chg_id = 4, }, + + { .n = "tcb0_ch0_gclk", + .id = 88, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "tcb1_ch0_gclk", + .id = 91, + .r = { .max = 200000000 }, + .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(IMG, DIV0), + PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), + PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, + .pp_mux_table = { 5, 7, 8, 9, 10, }, + .pp_count = 5, + .pp_chg_id = INT_MIN, }, + + { .n = "tcpca_gclk", + .id = 94, + .r = { .max = 32768, }, + .pp_chg_id = INT_MIN, }, + + { .n = "tcpcb_gclk", + .id = 95, + .r = { .max = 32768, }, + .pp_chg_id = INT_MIN, }, +}; + +/* MCK0 characteristics. */ +static const struct clk_master_characteristics mck0_characteristics = { + .output = { .min = 32768, .max = 200000000 }, + .divisors = { 1, 2, 4, 3, 5 }, + .have_div3_pres = 1, +}; + +/* MCK0 layout. */ +static const struct clk_master_layout mck0_layout = { + .mask = 0x773, + .pres_shift = 4, + .offset = 0x28, +}; + +/* Programmable clock layout. */ +static const struct clk_programmable_layout programmable_layout = { + .pres_mask = 0xff, + .pres_shift = 8, + .css_mask = 0x1f, + .have_slck_mck = 0, + .is_pres_direct = 1, +}; + +/* Peripheral clock layout. */ +static const struct clk_pcr_layout sama7g5_pcr_layout = { + .offset = 0x88, + .cmd = BIT(31), + .gckcss_mask = GENMASK(12, 8), + .pid_mask = GENMASK(6, 0), +}; + +static void __init sama7g5_pmc_setup(struct device_node *np) +{ + const char *main_xtal_name = "main_xtal"; + struct pmc_data *sama7g5_pmc; + 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; + + sama7g5_pmc = pmc_data_allocate(PMC_MCK1 + 1, + nck(sama7g5_systemck), + nck(sama7g5_periphck), + nck(sama7g5_gck), 8); + if (!sama7g5_pmc) + return; + + alloc_mem = kmalloc(sizeof(void *) * + (ARRAY_SIZE(sama7g5_mckx) + ARRAY_SIZE(sama7g5_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; + + sama7g5_pmc->chws[PMC_MAIN] = hw; + + for (i = 0; i < PLL_ID_MAX; i++) { + for (j = 0; j < 3; j++) { + struct clk_hw *parent_hw; + + if (!sama7g5_plls[i][j].n) + continue; + + switch (sama7g5_plls[i][j].t) { + case PLL_TYPE_FRAC: + switch (sama7g5_plls[i][j].p) { + case SAMA7G5_PLL_PARENT_MAINCK: + parent_hw = sama7g5_pmc->chws[PMC_MAIN]; + break; + case SAMA7G5_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, sama7g5_plls[i][j].n, + NULL, parent_hw, i, + sama7g5_plls[i][j].c, + sama7g5_plls[i][j].l, + sama7g5_plls[i][j].f); + break; + + case PLL_TYPE_DIV: + hw = sam9x60_clk_register_div_pll(regmap, + &pmc_pll_lock, sama7g5_plls[i][j].n, + NULL, sama7g5_plls[i][0].hw, i, + sama7g5_plls[i][j].c, + sama7g5_plls[i][j].l, + sama7g5_plls[i][j].f, + sama7g5_plls[i][j].safe_div); + break; + + default: + continue; + } + + if (IS_ERR(hw)) + goto err_free; + + sama7g5_plls[i][j].hw = hw; + if (sama7g5_plls[i][j].eid) + sama7g5_pmc->chws[sama7g5_plls[i][j].eid] = hw; + } + } + + hw = at91_clk_register_master_div(regmap, "mck0", NULL, + sama7g5_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; + + sama7g5_mckx[PCK_PARENT_HW_MCK0].hw = sama7g5_pmc->chws[PMC_MCK] = hw; + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN]; + for (i = PCK_PARENT_HW_MCK1; i < ARRAY_SIZE(sama7g5_mckx); i++) { + u8 num_parents = 3 + sama7g5_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; + + SAMA7G5_INIT_TABLE(mux_table, 3); + SAMA7G5_FILL_TABLE(&mux_table[3], sama7g5_mckx[i].ep_mux_table, + sama7g5_mckx[i].ep_count); + for (j = 0; j < sama7g5_mckx[i].ep_count; j++) { + u8 pll_id = sama7g5_mckx[i].ep[j].pll_id; + u8 pll_compid = sama7g5_mckx[i].ep[j].pll_compid; + + tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw; + } + SAMA7G5_FILL_TABLE(&parent_hws[3], tmp_parent_hws, + sama7g5_mckx[i].ep_count); + + hw = at91_clk_sama7g5_register_master(regmap, sama7g5_mckx[i].n, + num_parents, NULL, parent_hws, mux_table, + &pmc_mckX_lock, sama7g5_mckx[i].id, + sama7g5_mckx[i].c, + sama7g5_mckx[i].ep_chg_id); + if (IS_ERR(hw)) + goto err_free; + + alloc_mem[alloc_mem_size++] = mux_table; + + sama7g5_mckx[i].hw = hw; + if (sama7g5_mckx[i].eid) + sama7g5_pmc->chws[sama7g5_mckx[i].eid] = hw; + } + + hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", NULL, main_xtal_hw); + if (IS_ERR(hw)) + goto err_free; + + sama7g5_pmc->chws[PMC_UTMI] = hw; + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN]; + parent_hws[3] = sama7g5_plls[PLL_ID_SYS][PLL_COMPID_DIV0].hw; + parent_hws[4] = sama7g5_plls[PLL_ID_DDR][PLL_COMPID_DIV0].hw; + parent_hws[5] = sama7g5_plls[PLL_ID_IMG][PLL_COMPID_DIV0].hw; + parent_hws[6] = sama7g5_plls[PLL_ID_BAUD][PLL_COMPID_DIV0].hw; + parent_hws[7] = sama7g5_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].hw; + parent_hws[8] = sama7g5_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, + sama7g5_prog_mux_table); + if (IS_ERR(hw)) + goto err_free; + + sama7g5_pmc->pchws[i] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) { + hw = at91_clk_register_system(regmap, sama7g5_systemck[i].n, + NULL, sama7g5_pmc->pchws[i], + sama7g5_systemck[i].id, 0); + if (IS_ERR(hw)) + goto err_free; + + sama7g5_pmc->shws[sama7g5_systemck[i].id] = hw; + } + + for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) { + hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, + &sama7g5_pcr_layout, + sama7g5_periphck[i].n, + NULL, + sama7g5_mckx[sama7g5_periphck[i].p].hw, + sama7g5_periphck[i].id, + &sama7g5_periphck[i].r, + sama7g5_periphck[i].chgp ? 0 : + INT_MIN, 0); + if (IS_ERR(hw)) + goto err_free; + + sama7g5_pmc->phws[sama7g5_periphck[i].id] = hw; + } + + parent_hws[0] = md_slck_hw; + parent_hws[1] = td_slck_hw; + parent_hws[2] = sama7g5_pmc->chws[PMC_MAIN]; + for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) { + u8 num_parents = 3 + sama7g5_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; + + SAMA7G5_INIT_TABLE(mux_table, 3); + SAMA7G5_FILL_TABLE(&mux_table[3], sama7g5_gck[i].pp_mux_table, + sama7g5_gck[i].pp_count); + for (j = 0; j < sama7g5_gck[i].pp_count; j++) { + u8 pll_id = sama7g5_gck[i].pp[j].pll_id; + u8 pll_compid = sama7g5_gck[i].pp[j].pll_compid; + + tmp_parent_hws[j] = sama7g5_plls[pll_id][pll_compid].hw; + } + SAMA7G5_FILL_TABLE(&parent_hws[3], tmp_parent_hws, + sama7g5_gck[i].pp_count); + + hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, + &sama7g5_pcr_layout, + sama7g5_gck[i].n, NULL, + parent_hws, mux_table, + num_parents, + sama7g5_gck[i].id, + &sama7g5_gck[i].r, + sama7g5_gck[i].pp_chg_id); + if (IS_ERR(hw)) + goto err_free; + + sama7g5_pmc->ghws[sama7g5_gck[i].id] = hw; + alloc_mem[alloc_mem_size++] = mux_table; + } + + of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7g5_pmc); + + return; + +err_free: + if (alloc_mem) { + for (i = 0; i < alloc_mem_size; i++) + kfree(alloc_mem[i]); + kfree(alloc_mem); + } + + kfree(sama7g5_pmc); +} + +/* Some clks are used for a clocksource */ +CLK_OF_DECLARE(sama7g5_pmc, "microchip,sama7g5-pmc", sama7g5_pmc_setup); |