| // 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); |