// SPDX-License-Identifier: GPL-2.0 /* * SAMA7D65 PMC code. * * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries * * Author: Ryan Wanner */ #include #include #include #include #include #include "pmc.h" static DEFINE_SPINLOCK(pmc_pll_lock); static DEFINE_SPINLOCK(pmc_mck0_lock); static DEFINE_SPINLOCK(pmc_mckX_lock); #define PMC_INDEX_MAX 25 /* * PLL clocks identifiers * @PLL_ID_CPU: CPU PLL identifier * @PLL_ID_SYS: System PLL identifier * @PLL_ID_DDR: DDR PLL identifier * @PLL_ID_GPU: Graphics subsystem PLL identifier * @PLL_ID_BAUD: Baud PLL identifier * @PLL_ID_AUDIO: Audio PLL identifier * @PLL_ID_ETH: Ethernet PLL identifier * @PLL_ID_LVDS: LVDS PLL identifier * @PLL_ID_USB: USB PLL identifier */ enum pll_ids { PLL_ID_CPU, PLL_ID_SYS, PLL_ID_DDR, PLL_ID_GPU, PLL_ID_BAUD, PLL_ID_AUDIO, PLL_ID_ETH, PLL_ID_LVDS, PLL_ID_USB, PLL_ID_MAX }; /* * PLL component identifier * @PLL_COMPID_FRAC: Fractional PLL component identifier * @PLL_COMPID_DIV0: 1st PLL divider component identifier * @PLL_COMPID_DIV1: 2nd PLL divider component identifier */ enum pll_component_id { PLL_COMPID_FRAC, PLL_COMPID_DIV0, PLL_COMPID_DIV1, PLL_COMPID_MAX }; /* * PLL type identifiers * @PLL_TYPE_FRAC: fractional PLL identifier * @PLL_TYPE_DIV: divider PLL identifier */ enum pll_type { PLL_TYPE_FRAC, PLL_TYPE_DIV }; /* Layout for fractional PLLs. */ static const struct clk_pll_layout pll_layout_frac = { .mul_mask = GENMASK(31, 24), .frac_mask = GENMASK(21, 0), .mul_shift = 24, .frac_shift = 0, }; /* Layout for DIVPMC dividers. */ static const struct clk_pll_layout pll_layout_divpmc = { .div_mask = GENMASK(7, 0), .endiv_mask = BIT(29), .div_shift = 0, .endiv_shift = 29, }; /* Layout for DIVIO dividers. */ static const struct clk_pll_layout pll_layout_divio = { .div_mask = GENMASK(19, 12), .endiv_mask = BIT(30), .div_shift = 12, .endiv_shift = 30, }; /* * CPU PLL output range. * Notice: The upper limit has been setup to 1000000002 due to hardware * block which cannot output exactly 1GHz. */ static const struct clk_range cpu_pll_outputs[] = { { .min = 2343750, .max = 1000000002 }, }; /* PLL output range. */ static const struct clk_range pll_outputs[] = { { .min = 2343750, .max = 1200000000 }, }; /* * Min: fCOREPLLCK = 600 MHz, PMC_PLL_CTRL0.DIVPMC = 255 * Max: fCOREPLLCK = 800 MHz, PMC_PLL_CTRL0.DIVPMC = 0 */ static const struct clk_range lvdspll_outputs[] = { { .min = 16406250, .max = 800000000 }, }; static const struct clk_range upll_outputs[] = { { .min = 480000000, .max = 480000000 }, }; /* Fractional PLL core output range. */ static const struct clk_range core_outputs[] = { { .min = 600000000, .max = 1200000000 }, }; static const struct clk_range lvdspll_core_outputs[] = { { .min = 600000000, .max = 1200000000 }, }; static const struct clk_range upll_core_outputs[] = { { .min = 600000000, .max = 1200000000 }, }; /* CPU PLL characteristics. */ static const struct clk_pll_characteristics cpu_pll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(cpu_pll_outputs), .output = cpu_pll_outputs, .core_output = core_outputs, }; /* PLL characteristics. */ static const struct clk_pll_characteristics pll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(pll_outputs), .output = pll_outputs, .core_output = core_outputs, }; static const struct clk_pll_characteristics lvdspll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(lvdspll_outputs), .output = lvdspll_outputs, .core_output = lvdspll_core_outputs, }; static const struct clk_pll_characteristics upll_characteristics = { .input = { .min = 20000000, .max = 50000000 }, .num_output = ARRAY_SIZE(upll_outputs), .output = upll_outputs, .core_output = upll_core_outputs, .upll = true, }; /* * SAMA7D65 PLL possible parents * @SAMA7D65_PLL_PARENT_MAINCK: MAINCK is PLL a parent * @SAMA7D65_PLL_PARENT_MAIN_XTAL: MAIN XTAL is a PLL parent * @SAMA7D65_PLL_PARENT_FRACCK: Frac PLL is a PLL parent (for PLL dividers) */ enum sama7d65_pll_parent { SAMA7D65_PLL_PARENT_MAINCK, SAMA7D65_PLL_PARENT_MAIN_XTAL, SAMA7D65_PLL_PARENT_FRACCK }; /* * PLL clocks description * @n: clock name * @l: clock layout * @c: clock characteristics * @hw: pointer to clk_hw * @t: clock type * @f: clock flags * @p: clock parent * @eid: export index in sama7d65->chws[] array * @safe_div: intermediate divider need to be set on PRE_RATE_CHANGE * notification */ static struct sama7d65_pll { const char *n; const struct clk_pll_layout *l; const struct clk_pll_characteristics *c; struct clk_hw *hw; unsigned long f; enum sama7d65_pll_parent p; u8 t; u8 eid; u8 safe_div; } sama7d65_plls[][PLL_COMPID_MAX] = { [PLL_ID_CPU] = { [PLL_COMPID_FRAC] = { .n = "cpupll_fracck", .p = SAMA7D65_PLL_PARENT_MAINCK, .l = &pll_layout_frac, .c = &cpu_pll_characteristics, .t = PLL_TYPE_FRAC, /* * This feeds cpupll_divpmcck which feeds CPU. It should * not be disabled. */ .f = CLK_IS_CRITICAL, }, [PLL_COMPID_DIV0] = { .n = "cpupll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &cpu_pll_characteristics, .t = PLL_TYPE_DIV, /* This feeds CPU. It should not be disabled. */ .f = CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, .eid = PMC_CPUPLL, /* * Safe div=15 should be safe even for switching b/w 1GHz and * 90MHz (frac pll might go up to 1.2GHz). */ .safe_div = 15, }, }, [PLL_ID_SYS] = { [PLL_COMPID_FRAC] = { .n = "syspll_fracck", .p = SAMA7D65_PLL_PARENT_MAINCK, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, /* * This feeds syspll_divpmcck which may feed critical parts * of the systems like timers. Therefore it should not be * disabled. */ .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "syspll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, /* * This may feed critical parts of the systems like timers. * Therefore it should not be disabled. */ .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, .eid = PMC_SYSPLL, }, }, [PLL_ID_DDR] = { [PLL_COMPID_FRAC] = { .n = "ddrpll_fracck", .p = SAMA7D65_PLL_PARENT_MAINCK, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, /* * This feeds ddrpll_divpmcck which feeds DDR. It should not * be disabled. */ .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "ddrpll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, /* This feeds DDR. It should not be disabled. */ .f = CLK_IS_CRITICAL | CLK_SET_RATE_GATE, }, }, [PLL_ID_GPU] = { [PLL_COMPID_FRAC] = { .n = "gpupll_fracck", .p = SAMA7D65_PLL_PARENT_MAINCK, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "gpupll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, }, }, [PLL_ID_BAUD] = { [PLL_COMPID_FRAC] = { .n = "baudpll_fracck", .p = SAMA7D65_PLL_PARENT_MAINCK, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "baudpll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_BAUDPLL, }, }, [PLL_ID_AUDIO] = { [PLL_COMPID_FRAC] = { .n = "audiopll_fracck", .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "audiopll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_AUDIOPMCPLL, }, [PLL_COMPID_DIV1] = { .n = "audiopll_diviock", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divio, .c = &pll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_AUDIOIOPLL, }, }, [PLL_ID_ETH] = { [PLL_COMPID_FRAC] = { .n = "ethpll_fracck", .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, .l = &pll_layout_frac, .c = &pll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "ethpll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &pll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_ETHPLL, }, }, [PLL_ID_LVDS] = { [PLL_COMPID_FRAC] = { .n = "lvdspll_fracck", .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, .l = &pll_layout_frac, .c = &lvdspll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "lvdspll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &lvdspll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_LVDSPLL, }, }, [PLL_ID_USB] = { [PLL_COMPID_FRAC] = { .n = "usbpll_fracck", .p = SAMA7D65_PLL_PARENT_MAIN_XTAL, .l = &pll_layout_frac, .c = &upll_characteristics, .t = PLL_TYPE_FRAC, .f = CLK_SET_RATE_GATE, }, [PLL_COMPID_DIV0] = { .n = "usbpll_divpmcck", .p = SAMA7D65_PLL_PARENT_FRACCK, .l = &pll_layout_divpmc, .c = &upll_characteristics, .t = PLL_TYPE_DIV, .f = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE | CLK_SET_RATE_PARENT, .eid = PMC_UTMI, }, }, }; /* Used to create an array entry identifying a PLL by its components. */ #define PLL_IDS_TO_ARR_ENTRY(_id, _comp) { PLL_ID_##_id, PLL_COMPID_##_comp} /* * Master clock (MCK[0..9]) description * @n: clock name * @ep_chg_chg_id: index in parents array that specifies the changeable * @ep: extra parents names array (entry formed by PLL components * identifiers (see enum pll_component_id)) * @hw: pointer to clk_hw * parent * @ep_count: extra parents count * @ep_mux_table: mux table for extra parents * @id: clock id * @eid: export index in sama7d65->chws[] array * @c: true if clock is critical and cannot be disabled */ static struct { const char *n; struct { int pll_id; int pll_compid; } ep[4]; struct clk_hw *hw; int ep_chg_id; u8 ep_count; u8 ep_mux_table[4]; u8 id; u8 eid; u8 c; } sama7d65_mckx[] = { { .n = "mck0", }, /* Dummy entry for MCK0 to store hw in probe. */ { .n = "mck1", .id = 1, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_count = 1, .ep_chg_id = INT_MIN, .eid = PMC_MCK1, .c = 1, }, { .n = "mck2", .id = 2, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), }, .ep_mux_table = { 5, 6, }, .ep_count = 2, .ep_chg_id = INT_MIN, .c = 1, }, { .n = "mck3", .id = 3, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(DDR, DIV0), }, .ep_mux_table = { 5, 6, }, .ep_count = 2, .ep_chg_id = INT_MIN, .eid = PMC_MCK3, .c = 1, }, { .n = "mck4", .id = 4, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_count = 1, .ep_chg_id = INT_MIN, .c = 1, }, { .n = "mck5", .id = 5, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_count = 1, .ep_chg_id = INT_MIN, .eid = PMC_MCK5, .c = 1, }, { .n = "mck6", .id = 6, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_chg_id = INT_MIN, .ep_count = 1, .c = 1, }, { .n = "mck7", .id = 7, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_chg_id = INT_MIN, .ep_count = 1, }, { .n = "mck8", .id = 8, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_chg_id = INT_MIN, .ep_count = 1, }, { .n = "mck9", .id = 9, .ep = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .ep_mux_table = { 5, }, .ep_chg_id = INT_MIN, .ep_count = 1, }, }; /* * System clock description * @n: clock name * @p: clock parent name * @id: clock id */ static const struct { const char *n; const char *p; u8 id; } sama7d65_systemck[] = { { .n = "uhpck", .p = "usbck", .id = 6 }, { .n = "pck0", .p = "prog0", .id = 8, }, { .n = "pck1", .p = "prog1", .id = 9, }, { .n = "pck2", .p = "prog2", .id = 10, }, { .n = "pck3", .p = "prog3", .id = 11, }, { .n = "pck4", .p = "prog4", .id = 12, }, { .n = "pck5", .p = "prog5", .id = 13, }, { .n = "pck6", .p = "prog6", .id = 14, }, { .n = "pck7", .p = "prog7", .id = 15, }, }; /* Mux table for programmable clocks. */ static u32 sama7d65_prog_mux_table[] = { 0, 1, 2, 5, 7, 8, 9, 10, 12 }; /* * Peripheral clock parent hw identifier (used to index in sama7d65_mckx[]) * @PCK_PARENT_HW_MCK0: pck parent hw identifier is MCK0 * @PCK_PARENT_HW_MCK1: pck parent hw identifier is MCK1 * @PCK_PARENT_HW_MCK2: pck parent hw identifier is MCK2 * @PCK_PARENT_HW_MCK3: pck parent hw identifier is MCK3 * @PCK_PARENT_HW_MCK4: pck parent hw identifier is MCK4 * @PCK_PARENT_HW_MCK5: pck parent hw identifier is MCK5 * @PCK_PARENT_HW_MCK6: pck parent hw identifier is MCK6 * @PCK_PARENT_HW_MCK7: pck parent hw identifier is MCK7 * @PCK_PARENT_HW_MCK8: pck parent hw identifier is MCK8 * @PCK_PARENT_HW_MCK9: pck parent hw identifier is MCK9 * @PCK_PARENT_HW_MAX: max identifier */ enum sama7d65_pck_parent_hw_id { PCK_PARENT_HW_MCK0, PCK_PARENT_HW_MCK1, PCK_PARENT_HW_MCK2, PCK_PARENT_HW_MCK3, PCK_PARENT_HW_MCK4, PCK_PARENT_HW_MCK5, PCK_PARENT_HW_MCK6, PCK_PARENT_HW_MCK7, PCK_PARENT_HW_MCK8, PCK_PARENT_HW_MCK9, PCK_PARENT_HW_MAX }; /* * Peripheral clock description * @n: clock name * @p: clock parent hw id * @r: clock range values * @id: clock id * @chgp: index in parent array of the changeable parent */ static struct { const char *n; enum sama7d65_pck_parent_hw_id p; struct clk_range r; u8 chgp; u8 id; } sama7d65_periphck[] = { { .n = "pioA_clk", .p = PCK_PARENT_HW_MCK0, .id = 10, }, { .n = "securam_clk", .p = PCK_PARENT_HW_MCK0, .id = 17, }, { .n = "sfr_clk", .p = PCK_PARENT_HW_MCK7, .id = 18, }, { .n = "hsmc_clk", .p = PCK_PARENT_HW_MCK5, .id = 20, }, { .n = "xdmac0_clk", .p = PCK_PARENT_HW_MCK6, .id = 21, }, { .n = "xdmac1_clk", .p = PCK_PARENT_HW_MCK6, .id = 22, }, { .n = "xdmac2_clk", .p = PCK_PARENT_HW_MCK1, .id = 23, }, { .n = "acc_clk", .p = PCK_PARENT_HW_MCK7, .id = 24, }, { .n = "aes_clk", .p = PCK_PARENT_HW_MCK6, .id = 26, }, { .n = "tzaesbasc_clk", .p = PCK_PARENT_HW_MCK8, .id = 27, }, { .n = "asrc_clk", .p = PCK_PARENT_HW_MCK9, .id = 29, .r = { .max = 200000000, }, }, { .n = "cpkcc_clk", .p = PCK_PARENT_HW_MCK0, .id = 30, }, { .n = "eic_clk", .p = PCK_PARENT_HW_MCK7, .id = 33, }, { .n = "flex0_clk", .p = PCK_PARENT_HW_MCK7, .id = 34, }, { .n = "flex1_clk", .p = PCK_PARENT_HW_MCK7, .id = 35, }, { .n = "flex2_clk", .p = PCK_PARENT_HW_MCK7, .id = 36, }, { .n = "flex3_clk", .p = PCK_PARENT_HW_MCK7, .id = 37, }, { .n = "flex4_clk", .p = PCK_PARENT_HW_MCK8, .id = 38, }, { .n = "flex5_clk", .p = PCK_PARENT_HW_MCK8, .id = 39, }, { .n = "flex6_clk", .p = PCK_PARENT_HW_MCK8, .id = 40, }, { .n = "flex7_clk", .p = PCK_PARENT_HW_MCK8, .id = 41, }, { .n = "flex8_clk", .p = PCK_PARENT_HW_MCK9, .id = 42, }, { .n = "flex9_clk", .p = PCK_PARENT_HW_MCK9, .id = 43, }, { .n = "flex10_clk", .p = PCK_PARENT_HW_MCK9, .id = 44, }, { .n = "gmac0_clk", .p = PCK_PARENT_HW_MCK6, .id = 46, }, { .n = "gmac1_clk", .p = PCK_PARENT_HW_MCK6, .id = 47, }, { .n = "gmac0_tsu_clk", .p = PCK_PARENT_HW_MCK1, .id = 49, }, { .n = "gmac1_tsu_clk", .p = PCK_PARENT_HW_MCK1, .id = 50, }, { .n = "icm_clk", .p = PCK_PARENT_HW_MCK5, .id = 53, }, { .n = "i2smcc0_clk", .p = PCK_PARENT_HW_MCK9, .id = 54, .r = { .max = 200000000, }, }, { .n = "i2smcc1_clk", .p = PCK_PARENT_HW_MCK9, .id = 55, .r = { .max = 200000000, }, }, { .n = "lcd_clk", .p = PCK_PARENT_HW_MCK3, .id = 56, }, { .n = "matrix_clk", .p = PCK_PARENT_HW_MCK5, .id = 57, }, { .n = "mcan0_clk", .p = PCK_PARENT_HW_MCK5, .id = 58, .r = { .max = 200000000, }, }, { .n = "mcan1_clk", .p = PCK_PARENT_HW_MCK5, .id = 59, .r = { .max = 200000000, }, }, { .n = "mcan2_clk", .p = PCK_PARENT_HW_MCK5, .id = 60, .r = { .max = 200000000, }, }, { .n = "mcan3_clk", .p = PCK_PARENT_HW_MCK5, .id = 61, .r = { .max = 200000000, }, }, { .n = "mcan4_clk", .p = PCK_PARENT_HW_MCK5, .id = 62, .r = { .max = 200000000, }, }, { .n = "pdmc0_clk", .p = PCK_PARENT_HW_MCK9, .id = 64, .r = { .max = 200000000, }, }, { .n = "pdmc1_clk", .p = PCK_PARENT_HW_MCK9, .id = 65, .r = { .max = 200000000, }, }, { .n = "pit64b0_clk", .p = PCK_PARENT_HW_MCK7, .id = 66, }, { .n = "pit64b1_clk", .p = PCK_PARENT_HW_MCK7, .id = 67, }, { .n = "pit64b2_clk", .p = PCK_PARENT_HW_MCK7, .id = 68, }, { .n = "pit64b3_clk", .p = PCK_PARENT_HW_MCK8, .id = 69, }, { .n = "pit64b4_clk", .p = PCK_PARENT_HW_MCK8, .id = 70, }, { .n = "pit64b5_clk", .p = PCK_PARENT_HW_MCK8, .id = 71, }, { .n = "pwm_clk", .p = PCK_PARENT_HW_MCK7, .id = 72, }, { .n = "qspi0_clk", .p = PCK_PARENT_HW_MCK5, .id = 73, }, { .n = "qspi1_clk", .p = PCK_PARENT_HW_MCK5, .id = 74, }, { .n = "sdmmc0_clk", .p = PCK_PARENT_HW_MCK1, .id = 75, }, { .n = "sdmmc1_clk", .p = PCK_PARENT_HW_MCK1, .id = 76, }, { .n = "sdmmc2_clk", .p = PCK_PARENT_HW_MCK1, .id = 77, }, { .n = "sha_clk", .p = PCK_PARENT_HW_MCK6, .id = 78, }, { .n = "spdifrx_clk", .p = PCK_PARENT_HW_MCK9, .id = 79, .r = { .max = 200000000, }, }, { .n = "spdiftx_clk", .p = PCK_PARENT_HW_MCK9, .id = 80, .r = { .max = 200000000, }, }, { .n = "ssc0_clk", .p = PCK_PARENT_HW_MCK7, .id = 81, .r = { .max = 200000000, }, }, { .n = "ssc1_clk", .p = PCK_PARENT_HW_MCK8, .id = 82, .r = { .max = 200000000, }, }, { .n = "tcb0_ch0_clk", .p = PCK_PARENT_HW_MCK8, .id = 83, .r = { .max = 200000000, }, }, { .n = "tcb0_ch1_clk", .p = PCK_PARENT_HW_MCK8, .id = 84, .r = { .max = 200000000, }, }, { .n = "tcb0_ch2_clk", .p = PCK_PARENT_HW_MCK8, .id = 85, .r = { .max = 200000000, }, }, { .n = "tcb1_ch0_clk", .p = PCK_PARENT_HW_MCK5, .id = 86, .r = { .max = 200000000, }, }, { .n = "tcb1_ch1_clk", .p = PCK_PARENT_HW_MCK5, .id = 87, .r = { .max = 200000000, }, }, { .n = "tcb1_ch2_clk", .p = PCK_PARENT_HW_MCK5, .id = 88, .r = { .max = 200000000, }, }, { .n = "tcpca_clk", .p = PCK_PARENT_HW_MCK5, .id = 89, }, { .n = "tcpcb_clk", .p = PCK_PARENT_HW_MCK5, .id = 90, }, { .n = "tdes_clk", .p = PCK_PARENT_HW_MCK6, .id = 91, }, { .n = "trng_clk", .p = PCK_PARENT_HW_MCK6, .id = 92, }, { .n = "udphsa_clk", .p = PCK_PARENT_HW_MCK5, .id = 99, }, { .n = "udphsb_clk", .p = PCK_PARENT_HW_MCK5, .id = 100, }, { .n = "uhphs_clk", .p = PCK_PARENT_HW_MCK5, .id = 101, }, { .n = "dsi_clk", .p = PCK_PARENT_HW_MCK3, .id = 103, }, { .n = "lvdsc_clk", .p = PCK_PARENT_HW_MCK3, .id = 104, }, }; /* * Generic clock description * @n: clock name * @pp: PLL parents (entry formed by PLL components identifiers * (see enum pll_component_id)) * @pp_mux_table: PLL parents mux table * @r: clock output range * @pp_chg_id: id in parent array of changeable PLL parent * @pp_count: PLL parents count * @id: clock id */ static const struct { const char *n; struct { int pll_id; int pll_compid; } pp[8]; const char pp_mux_table[8]; struct clk_range r; int pp_chg_id; u8 pp_count; u8 id; } sama7d65_gck[] = { { .n = "adc_gclk", .id = 25, .r = { .max = 100000000, }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 8, 9, }, .pp_count = 2, .pp_chg_id = INT_MIN, }, { .n = "asrc_gclk", .id = 29, .r = { .max = 200000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex0_gclk", .id = 34, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = {8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex1_gclk", .id = 35, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = {8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex2_gclk", .id = 36, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = {8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex3_gclk", .id = 37, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = {8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex4_gclk", .id = 38, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex5_gclk", .id = 39, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex6_gclk", .id = 40, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex7_gclk", .id = 41, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex8_gclk", .id = 42, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex9_gclk", .id = 43, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "flex10_gclk", .id = 44, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 8, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "gmac0_gclk", .id = 46, .r = { .max = 125000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 10, }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "gmac1_gclk", .id = 47, .r = { .max = 125000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 10, }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "gmac0_tsu_gclk", .id = 49, .r = { .max = 400000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = {10, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "gmac1_tsu_gclk", .id = 50, .r = { .max = 400000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 10, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "i2smcc0_gclk", .id = 54, .r = { .max = 100000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "i2smcc1_gclk", .id = 55, .r = { .max = 100000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "lcdc_gclk", .id = 56, .r = { .max = 90000000 }, .pp_count = 0, .pp_chg_id = INT_MIN, }, { .n = "mcan0_gclk", .id = 58, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, .pp_mux_table = { 12 }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "mcan1_gclk", .id = 59, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, .pp_mux_table = { 12 }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "mcan2_gclk", .id = 60, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, .pp_mux_table = { 12 }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "mcan3_gclk", .id = 61, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, .pp_mux_table = { 12 }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "mcan4_gclk", .id = 62, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(USB, DIV0), }, .pp_mux_table = { 12 }, .pp_count = 1, .pp_chg_id = 4, }, { .n = "pdmc0_gclk", .id = 64, .r = { .max = 80000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9 }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "pdmc1_gclk", .id = 65, .r = { .max = 80000000, }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "pit64b0_gclk", .id = 66, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "pit64b1_gclk", .id = 67, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "pit64b2_gclk", .id = 68, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "pit64b3_gclk", .id = 69, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = {8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "pit64b4_gclk", .id = 70, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = {8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "pit64b5_gclk", .id = 71, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = {8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "qspi0_gclk", .id = 73, .r = { .max = 400000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 5, 8, }, .pp_count = 2, .pp_chg_id = INT_MIN, }, { .n = "qspi1_gclk", .id = 74, .r = { .max = 266000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), }, .pp_mux_table = { 5, 8, }, .pp_count = 2, .pp_chg_id = INT_MIN, }, { .n = "sdmmc0_gclk", .id = 75, .r = { .max = 208000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 10, }, .pp_count = 2, .pp_chg_id = 4, }, { .n = "sdmmc1_gclk", .id = 76, .r = { .max = 208000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 10, }, .pp_count = 2, .pp_chg_id = 4, }, { .n = "sdmmc2_gclk", .id = 77, .r = { .max = 208000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 10 }, .pp_count = 2, .pp_chg_id = 4, }, { .n = "spdifrx_gclk", .id = 79, .r = { .max = 150000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "spdiftx_gclk", .id = 80, .r = { .max = 25000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), }, .pp_mux_table = { 9, }, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "tcb0_ch0_gclk", .id = 83, .r = { .max = 34000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "tcb1_ch0_gclk", .id = 86, .r = { .max = 67000000 }, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = { 8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, { .n = "DSI_gclk", .id = 103, .r = {.max = 27000000}, .pp = { PLL_IDS_TO_ARR_ENTRY(SYS, DIV0), }, .pp_mux_table = {5}, .pp_count = 1, .pp_chg_id = INT_MIN, }, { .n = "I3CC_gclk", .id = 105, .r = {.max = 125000000}, .pp = { PLL_IDS_TO_ARR_ENTRY(BAUD, DIV0), PLL_IDS_TO_ARR_ENTRY(AUDIO, DIV0), PLL_IDS_TO_ARR_ENTRY(ETH, DIV0), }, .pp_mux_table = {8, 9, 10, }, .pp_count = 3, .pp_chg_id = INT_MIN, }, }; /* MCK0 characteristics. */ static const struct clk_master_characteristics mck0_characteristics = { .output = { .min = 32768, .max = 200000000 }, .divisors = { 1, 2, 4, 3, 5 }, .have_div3_pres = 1, }; /* MCK0 layout. */ static const struct clk_master_layout mck0_layout = { .mask = 0x773, .pres_shift = 4, .offset = 0x28, }; /* Programmable clock layout. */ static const struct clk_programmable_layout programmable_layout = { .pres_mask = 0xff, .pres_shift = 8, .css_mask = 0x1f, .have_slck_mck = 0, .is_pres_direct = 1, }; /* Peripheral clock layout. */ static const struct clk_pcr_layout sama7d65_pcr_layout = { .offset = 0x88, .cmd = BIT(31), .gckcss_mask = GENMASK(12, 8), .pid_mask = GENMASK(6, 0), }; static void __init sama7d65_pmc_setup(struct device_node *np) { const char *main_xtal_name = "main_xtal"; struct pmc_data *sama7d65_pmc; const char *parent_names[11]; void **alloc_mem = NULL; int alloc_mem_size = 0; struct regmap *regmap; struct clk_hw *hw, *main_rc_hw, *main_osc_hw, *main_xtal_hw; struct clk_hw *td_slck_hw, *md_slck_hw; static struct clk_parent_data parent_data; struct clk_hw *parent_hws[10]; bool bypass; int i, j; td_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "td_slck")); md_slck_hw = __clk_get_hw(of_clk_get_by_name(np, "md_slck")); main_xtal_hw = __clk_get_hw(of_clk_get_by_name(np, main_xtal_name)); if (!td_slck_hw || !md_slck_hw || !main_xtal_hw) return; regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; sama7d65_pmc = pmc_data_allocate(PMC_INDEX_MAX, nck(sama7d65_systemck), nck(sama7d65_periphck), nck(sama7d65_gck), 8); if (!sama7d65_pmc) return; alloc_mem = kmalloc(sizeof(void *) * (ARRAY_SIZE(sama7d65_mckx) + ARRAY_SIZE(sama7d65_gck)), GFP_KERNEL); if (!alloc_mem) goto err_free; main_rc_hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, 50000000); if (IS_ERR(main_rc_hw)) goto err_free; bypass = of_property_read_bool(np, "atmel,osc-bypass"); parent_data.name = main_xtal_name; parent_data.fw_name = main_xtal_name; main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL, &parent_data, bypass); if (IS_ERR(main_osc_hw)) goto err_free; parent_hws[0] = main_rc_hw; parent_hws[1] = main_osc_hw; hw = at91_clk_register_sam9x5_main(regmap, "mainck", NULL, parent_hws, 2); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->chws[PMC_MAIN] = hw; for (i = 0; i < PLL_ID_MAX; i++) { for (j = 0; j < PLL_COMPID_MAX; j++) { struct clk_hw *parent_hw; if (!sama7d65_plls[i][j].n) continue; switch (sama7d65_plls[i][j].t) { case PLL_TYPE_FRAC: switch (sama7d65_plls[i][j].p) { case SAMA7D65_PLL_PARENT_MAINCK: parent_hw = sama7d65_pmc->chws[PMC_MAIN]; break; case SAMA7D65_PLL_PARENT_MAIN_XTAL: parent_hw = main_xtal_hw; break; default: /* Should not happen. */ parent_hw = NULL; break; } hw = sam9x60_clk_register_frac_pll(regmap, &pmc_pll_lock, sama7d65_plls[i][j].n, NULL, parent_hw, i, sama7d65_plls[i][j].c, sama7d65_plls[i][j].l, sama7d65_plls[i][j].f); break; case PLL_TYPE_DIV: hw = sam9x60_clk_register_div_pll(regmap, &pmc_pll_lock, sama7d65_plls[i][j].n, NULL, sama7d65_plls[i][0].hw, i, sama7d65_plls[i][j].c, sama7d65_plls[i][j].l, sama7d65_plls[i][j].f, sama7d65_plls[i][j].safe_div); break; default: continue; } if (IS_ERR(hw)) goto err_free; sama7d65_plls[i][j].hw = hw; if (sama7d65_plls[i][j].eid) sama7d65_pmc->chws[sama7d65_plls[i][j].eid] = hw; } } hw = at91_clk_register_master_div(regmap, "mck0", NULL, sama7d65_plls[PLL_ID_CPU][1].hw, &mck0_layout, &mck0_characteristics, &pmc_mck0_lock, CLK_GET_RATE_NOCACHE, 5); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->chws[PMC_MCK] = hw; sama7d65_mckx[PCK_PARENT_HW_MCK0].hw = hw; parent_hws[0] = md_slck_hw; parent_hws[1] = td_slck_hw; parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; for (i = PCK_PARENT_HW_MCK1; i < ARRAY_SIZE(sama7d65_mckx); i++) { u8 num_parents = 3 + sama7d65_mckx[i].ep_count; struct clk_hw *tmp_parent_hws[8]; u32 *mux_table; mux_table = kmalloc_array(num_parents, sizeof(*mux_table), GFP_KERNEL); if (!mux_table) goto err_free; alloc_mem[alloc_mem_size++] = mux_table; PMC_INIT_TABLE(mux_table, 3); PMC_FILL_TABLE(&mux_table[3], sama7d65_mckx[i].ep_mux_table, sama7d65_mckx[i].ep_count); for (j = 0; j < sama7d65_mckx[i].ep_count; j++) { u8 pll_id = sama7d65_mckx[i].ep[j].pll_id; u8 pll_compid = sama7d65_mckx[i].ep[j].pll_compid; tmp_parent_hws[j] = sama7d65_plls[pll_id][pll_compid].hw; } PMC_FILL_TABLE(&parent_hws[3], tmp_parent_hws, sama7d65_mckx[i].ep_count); hw = at91_clk_sama7g5_register_master(regmap, sama7d65_mckx[i].n, num_parents, NULL, parent_hws, mux_table, &pmc_mckX_lock, sama7d65_mckx[i].id, sama7d65_mckx[i].c, sama7d65_mckx[i].ep_chg_id); if (IS_ERR(hw)) goto err_free; sama7d65_mckx[i].hw = hw; if (sama7d65_mckx[i].eid) sama7d65_pmc->chws[sama7d65_mckx[i].eid] = hw; } parent_names[0] = "syspll_divpmcck"; parent_names[1] = "usbpll_divpmcck"; parent_names[2] = "main_osc"; hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 3); if (IS_ERR(hw)) goto err_free; parent_hws[0] = md_slck_hw; parent_hws[1] = td_slck_hw; parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; parent_hws[3] = sama7d65_plls[PLL_ID_SYS][PLL_COMPID_DIV0].hw; parent_hws[4] = sama7d65_plls[PLL_ID_DDR][PLL_COMPID_DIV0].hw; parent_hws[5] = sama7d65_plls[PLL_ID_GPU][PLL_COMPID_DIV0].hw; parent_hws[6] = sama7d65_plls[PLL_ID_BAUD][PLL_COMPID_DIV0].hw; parent_hws[7] = sama7d65_plls[PLL_ID_AUDIO][PLL_COMPID_DIV0].hw; parent_hws[8] = sama7d65_plls[PLL_ID_ETH][PLL_COMPID_DIV0].hw; for (i = 0; i < 8; i++) { char name[6]; snprintf(name, sizeof(name), "prog%d", i); hw = at91_clk_register_programmable(regmap, name, NULL, parent_hws, 9, i, &programmable_layout, sama7d65_prog_mux_table); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama7d65_systemck); i++) { hw = at91_clk_register_system(regmap, sama7d65_systemck[i].n, sama7d65_systemck[i].p, NULL, sama7d65_systemck[i].id, 0); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->shws[sama7d65_systemck[i].id] = hw; } for (i = 0; i < ARRAY_SIZE(sama7d65_periphck); i++) { hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama7d65_pcr_layout, sama7d65_periphck[i].n, NULL, sama7d65_mckx[sama7d65_periphck[i].p].hw, sama7d65_periphck[i].id, &sama7d65_periphck[i].r, sama7d65_periphck[i].chgp ? 0 : INT_MIN, 0); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->phws[sama7d65_periphck[i].id] = hw; } parent_hws[0] = md_slck_hw; parent_hws[1] = td_slck_hw; parent_hws[2] = sama7d65_pmc->chws[PMC_MAIN]; parent_hws[3] = sama7d65_pmc->chws[PMC_MCK1]; for (i = 0; i < ARRAY_SIZE(sama7d65_gck); i++) { u8 num_parents = 4 + sama7d65_gck[i].pp_count; struct clk_hw *tmp_parent_hws[8]; u32 *mux_table; mux_table = kmalloc_array(num_parents, sizeof(*mux_table), GFP_KERNEL); if (!mux_table) goto err_free; alloc_mem[alloc_mem_size++] = mux_table; PMC_INIT_TABLE(mux_table, 4); PMC_FILL_TABLE(&mux_table[4], sama7d65_gck[i].pp_mux_table, sama7d65_gck[i].pp_count); for (j = 0; j < sama7d65_gck[i].pp_count; j++) { u8 pll_id = sama7d65_gck[i].pp[j].pll_id; u8 pll_compid = sama7d65_gck[i].pp[j].pll_compid; tmp_parent_hws[j] = sama7d65_plls[pll_id][pll_compid].hw; } PMC_FILL_TABLE(&parent_hws[4], tmp_parent_hws, sama7d65_gck[i].pp_count); hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, &sama7d65_pcr_layout, sama7d65_gck[i].n, NULL, parent_hws, mux_table, num_parents, sama7d65_gck[i].id, &sama7d65_gck[i].r, sama7d65_gck[i].pp_chg_id); if (IS_ERR(hw)) goto err_free; sama7d65_pmc->ghws[sama7d65_gck[i].id] = hw; } of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama7d65_pmc); kfree(alloc_mem); return; err_free: if (alloc_mem) { for (i = 0; i < alloc_mem_size; i++) kfree(alloc_mem[i]); kfree(alloc_mem); } kfree(sama7d65_pmc); } /* Some clks are used for a clocksource */ CLK_OF_DECLARE(sama7d65_pmc, "microchip,sama7d65-pmc", sama7d65_pmc_setup);