// SPDX-License-Identifier: GPL-2.0+ /* * SAMA7G5 PMC clock support. * * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries * * Author: Claudiu Beznea * * Based on drivers/clk/at91/sama7g5.c from Linux. */ #include #include #include #include #include #include "pmc.h" /** * Clock identifiers to be used in conjunction with macros like * AT91_TO_CLK_ID() * * @ID_MD_SLCK: TD slow clock identifier * @ID_TD_SLCK: MD slow clock identifier * @ID_MAIN_XTAL: Main Xtal clock identifier * @ID_MAIN_RC: Main RC clock identifier * @ID_MAIN_RC_OSC: Main RC Oscillator clock identifier * @ID_MAIN_OSC: Main Oscillator clock identifier * @ID_MAINCK: MAINCK clock identifier * @ID_PLL_CPU_FRAC: CPU PLL fractional clock identifier * @ID_PLL_CPU_DIV: CPU PLL divider clock identifier * @ID_PLL_SYS_FRAC: SYS PLL fractional clock identifier * @ID_PLL_SYS_DIV: SYS PLL divider clock identifier * @ID_PLL_DDR_FRAC: DDR PLL fractional clock identifier * @ID_PLL_DDR_DIV: DDR PLL divider clock identifier * @ID_PLL_IMG_FRAC: IMC PLL fractional clock identifier * @ID_PLL_IMG_DIV: IMG PLL divider clock identifier * @ID_PLL_BAUD_FRAC: Baud PLL fractional clock identifier * @ID_PLL_BAUD_DIV: Baud PLL divider clock identifier * @ID_PLL_AUDIO_FRAC: Audio PLL fractional clock identifier * @ID_PLL_AUDIO_DIVPMC: Audio PLL PMC divider clock identifier * @ID_PLL_AUDIO_DIVIO: Audio PLL IO divider clock identifier * @ID_PLL_ETH_FRAC: Ethernet PLL fractional clock identifier * @ID_PLL_ETH_DIV: Ethernet PLL divider clock identifier * @ID_MCK0_PRES: MCK0 PRES clock identifier * @ID_MCK0_DIV: MCK0 DIV clock identifier * @ID_MCK1: MCK1 clock identifier * @ID_MCK2: MCK2 clock identifier * @ID_MCK3: MCK3 clock identifier * @ID_MCK4: MCK4 clock identifier * @ID_UTMI: UTMI clock identifier * @ID_PROG0: Programmable 0 clock identifier * @ID_PROG1: Programmable 1 clock identifier * @ID_PROG2: Programmable 2 clock identifier * @ID_PROG3: Programmable 3 clock identifier * @ID_PROG4: Programmable 4 clock identifier * @ID_PROG5: Programmable 5 clock identifier * @ID_PROG6: Programmable 6 clock identifier * @ID_PROG7: Programmable 7 clock identifier * @ID_PCK0: System clock 0 clock identifier * @ID_PCK1: System clock 1 clock identifier * @ID_PCK2: System clock 2 clock identifier * @ID_PCK3: System clock 3 clock identifier * @ID_PCK4: System clock 4 clock identifier * @ID_PCK5: System clock 5 clock identifier * @ID_PCK6: System clock 6 clock identifier * @ID_PCK7: System clock 7 clock identifier */ enum pmc_clk_ids { ID_MD_SLCK = 0, ID_TD_SLCK = 1, ID_MAIN_XTAL = 2, ID_MAIN_RC = 3, ID_MAIN_RC_OSC = 4, ID_MAIN_OSC = 5, ID_MAINCK = 6, ID_PLL_CPU_FRAC = 7, ID_PLL_CPU_DIV = 8, ID_PLL_SYS_FRAC = 9, ID_PLL_SYS_DIV = 10, ID_PLL_DDR_FRAC = 11, ID_PLL_DDR_DIV = 12, ID_PLL_IMG_FRAC = 13, ID_PLL_IMG_DIV = 14, ID_PLL_BAUD_FRAC = 15, ID_PLL_BAUD_DIV = 16, ID_PLL_AUDIO_FRAC = 17, ID_PLL_AUDIO_DIVPMC = 18, ID_PLL_AUDIO_DIVIO = 19, ID_PLL_ETH_FRAC = 20, ID_PLL_ETH_DIV = 21, ID_MCK0_DIV = 22, ID_MCK1 = 23, ID_MCK2 = 24, ID_MCK3 = 25, ID_MCK4 = 26, ID_UTMI = 27, ID_PROG0 = 28, ID_PROG1 = 29, ID_PROG2 = 30, ID_PROG3 = 31, ID_PROG4 = 32, ID_PROG5 = 33, ID_PROG6 = 34, ID_PROG7 = 35, ID_PCK0 = 36, ID_PCK1 = 37, ID_PCK2 = 38, ID_PCK3 = 39, ID_PCK4 = 40, ID_PCK5 = 41, ID_PCK6 = 42, ID_PCK7 = 43, ID_MCK0_PRES = 44, ID_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, }; /* Clock names used as parents for multiple clocks. */ static const char *clk_names[] = { [ID_MAIN_RC_OSC] = "main_rc_osc", [ID_MAIN_OSC] = "main_osc", [ID_MAINCK] = "mainck", [ID_PLL_CPU_DIV] = "cpupll_divpmcck", [ID_PLL_SYS_DIV] = "syspll_divpmcck", [ID_PLL_DDR_DIV] = "ddrpll_divpmcck", [ID_PLL_IMG_DIV] = "imgpll_divpmcck", [ID_PLL_BAUD_DIV] = "baudpll_divpmcck", [ID_PLL_AUDIO_DIVPMC] = "audiopll_divpmcck", [ID_PLL_AUDIO_DIVIO] = "audiopll_diviock", [ID_PLL_ETH_DIV] = "ethpll_divpmcck", [ID_MCK0_DIV] = "mck0_div", [ID_MCK0_PRES] = "mck0_pres", }; /* Fractional PLL output range. */ static const struct clk_range pll_outputs[] = { { .min = 2343750, .max = 1200000000 }, }; /* PLL characteristics. */ static const struct clk_pll_characteristics pll_characteristics = { .input = { .min = 12000000, .max = 50000000 }, .num_output = ARRAY_SIZE(pll_outputs), .output = pll_outputs, }; /* 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, }; /* MCK0 characteristics. */ static const struct clk_master_characteristics mck0_characteristics = { .output = { .min = 140000000, .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), .div_mask = GENMASK(15, 14), }; /** * PLL clocks description * @n: clock name * @p: clock parent * @l: clock layout * @t: clock type * @c: true if clock is critical and cannot be disabled * @id: clock id corresponding to PLL driver * @cid: clock id corresponding to clock subsystem */ static const struct { const char *n; const char *p; const struct clk_pll_layout *l; u8 t; u8 c; u8 id; u8 cid; } sama7g5_plls[] = { { .n = "cpupll_fracck", .p = "mainck", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .c = 1, .id = 0, .cid = ID_PLL_CPU_FRAC, }, { .n = "cpupll_divpmcck", .p = "cpupll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .c = 1, .id = 0, .cid = ID_PLL_CPU_DIV, }, { .n = "syspll_fracck", .p = "mainck", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .c = 1, .id = 1, .cid = ID_PLL_SYS_FRAC, }, { .n = "syspll_divpmcck", .p = "syspll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .c = 1, .id = 1, .cid = ID_PLL_SYS_DIV, }, { .n = "ddrpll_fracck", .p = "mainck", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .c = 1, .id = 2, .cid = ID_PLL_DDR_FRAC, }, { .n = "ddrpll_divpmcck", .p = "ddrpll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .c = 1, .id = 2, .cid = ID_PLL_DDR_DIV, }, { .n = "imgpll_fracck", .p = "mainck", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .id = 3, .cid = ID_PLL_IMG_FRAC, }, { .n = "imgpll_divpmcck", .p = "imgpll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .id = 3, .cid = ID_PLL_IMG_DIV }, { .n = "baudpll_fracck", .p = "mainck", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .id = 4, .cid = ID_PLL_BAUD_FRAC, }, { .n = "baudpll_divpmcck", .p = "baudpll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .id = 4, .cid = ID_PLL_BAUD_DIV, }, { .n = "audiopll_fracck", .p = "main_osc", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .id = 5, .cid = ID_PLL_AUDIO_FRAC, }, { .n = "audiopll_divpmcck", .p = "audiopll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .id = 5, .cid = ID_PLL_AUDIO_DIVPMC, }, { .n = "audiopll_diviock", .p = "audiopll_fracck", .l = &pll_layout_divio, .t = PLL_TYPE_DIV, .id = 5, .cid = ID_PLL_AUDIO_DIVIO, }, { .n = "ethpll_fracck", .p = "main_osc", .l = &pll_layout_frac, .t = PLL_TYPE_FRAC, .id = 6, .cid = ID_PLL_ETH_FRAC, }, { .n = "ethpll_divpmcck", .p = "ethpll_fracck", .l = &pll_layout_divpmc, .t = PLL_TYPE_DIV, .id = 6, .cid = ID_PLL_ETH_DIV, }, }; /** * Master clock (MCK[1..4]) description * @n: clock name * @ep: extra parents names array * @ep_chg_chg_id: index in parents array that specifies the changeable * parent * @ep_count: extra parents count * @ep_mux_table: mux table for extra parents * @ep_clk_mux_table: mux table to deal with subsystem clock ids * @id: clock id corresponding to MCK driver * @cid: clock id corresponding to clock subsystem * @c: true if clock is critical and cannot be disabled */ static const struct { const char *n; const char *ep[4]; u8 ep_count; u8 ep_mux_table[4]; u8 ep_clk_mux_table[4]; u8 id; u8 cid; u8 c; } sama7g5_mckx[] = { { .n = "mck1", .id = 1, .cid = ID_MCK1, .ep = { "syspll_divpmcck", }, .ep_mux_table = { 5, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, .ep_count = 1, .c = 1, }, { .n = "mck2", .id = 2, .cid = ID_MCK2, .ep = { "ddrpll_divpmcck", }, .ep_mux_table = { 6, }, .ep_clk_mux_table = { ID_PLL_DDR_DIV, }, .ep_count = 1, .c = 1, }, { .n = "mck3", .id = 3, .cid = ID_MCK3, .ep = { "syspll_divpmcck", "ddrpll_divpmcck", "imgpll_divpmcck", }, .ep_mux_table = { 5, 6, 7, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, .ep_count = 3, }, { .n = "mck4", .id = 4, .cid = ID_MCK4, .ep = { "syspll_divpmcck", }, .ep_mux_table = { 5, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, }, .ep_count = 1, .c = 1, }, }; /** * Programmable clock description * @n: clock name * @cid: clock id corresponding to clock subsystem */ static const struct { const char *n; u8 cid; } sama7g5_prog[] = { { .n = "prog0", .cid = ID_PROG0, }, { .n = "prog1", .cid = ID_PROG1, }, { .n = "prog2", .cid = ID_PROG2, }, { .n = "prog3", .cid = ID_PROG3, }, { .n = "prog4", .cid = ID_PROG4, }, { .n = "prog5", .cid = ID_PROG5, }, { .n = "prog6", .cid = ID_PROG6, }, { .n = "prog7", .cid = ID_PROG7, }, }; /* Mux table for programmable clocks. */ static u32 sama7g5_prog_mux_table[] = { 0, 1, 2, 3, 5, 6, 7, 8, 9, 10, }; /** * System clock description * @n: clock name * @p: parent clock name * @id: clock id corresponding to system clock driver * @cid: clock id corresponding to clock subsystem */ static const struct { const char *n; const char *p; u8 id; u8 cid; } sama7g5_systemck[] = { { .n = "pck0", .p = "prog0", .id = 8, .cid = ID_PCK0, }, { .n = "pck1", .p = "prog1", .id = 9, .cid = ID_PCK1, }, { .n = "pck2", .p = "prog2", .id = 10, .cid = ID_PCK2, }, { .n = "pck3", .p = "prog3", .id = 11, .cid = ID_PCK3, }, { .n = "pck4", .p = "prog4", .id = 12, .cid = ID_PCK4, }, { .n = "pck5", .p = "prog5", .id = 13, .cid = ID_PCK5, }, { .n = "pck6", .p = "prog6", .id = 14, .cid = ID_PCK6, }, { .n = "pck7", .p = "prog7", .id = 15, .cid = ID_PCK7, }, }; /** * Peripheral clock description * @n: clock name * @p: clock parent name * @r: clock range values * @id: clock id */ static const struct { const char *n; const char *p; struct clk_range r; u8 id; } sama7g5_periphck[] = { { .n = "pioA_clk", .p = "mck0_div", .id = 11, }, { .n = "sfr_clk", .p = "mck1", .id = 19, }, { .n = "hsmc_clk", .p = "mck1", .id = 21, }, { .n = "xdmac0_clk", .p = "mck1", .id = 22, }, { .n = "xdmac1_clk", .p = "mck1", .id = 23, }, { .n = "xdmac2_clk", .p = "mck1", .id = 24, }, { .n = "acc_clk", .p = "mck1", .id = 25, }, { .n = "aes_clk", .p = "mck1", .id = 27, }, { .n = "tzaesbasc_clk", .p = "mck1", .id = 28, }, { .n = "asrc_clk", .p = "mck1", .id = 30, .r = { .max = 200000000, }, }, { .n = "cpkcc_clk", .p = "mck0_div", .id = 32, }, { .n = "csi_clk", .p = "mck3", .id = 33, .r = { .max = 266000000, }, }, { .n = "csi2dc_clk", .p = "mck3", .id = 34, .r = { .max = 266000000, }, }, { .n = "eic_clk", .p = "mck1", .id = 37, }, { .n = "flex0_clk", .p = "mck1", .id = 38, }, { .n = "flex1_clk", .p = "mck1", .id = 39, }, { .n = "flex2_clk", .p = "mck1", .id = 40, }, { .n = "flex3_clk", .p = "mck1", .id = 41, }, { .n = "flex4_clk", .p = "mck1", .id = 42, }, { .n = "flex5_clk", .p = "mck1", .id = 43, }, { .n = "flex6_clk", .p = "mck1", .id = 44, }, { .n = "flex7_clk", .p = "mck1", .id = 45, }, { .n = "flex8_clk", .p = "mck1", .id = 46, }, { .n = "flex9_clk", .p = "mck1", .id = 47, }, { .n = "flex10_clk", .p = "mck1", .id = 48, }, { .n = "flex11_clk", .p = "mck1", .id = 49, }, { .n = "gmac0_clk", .p = "mck1", .id = 51, }, { .n = "gmac1_clk", .p = "mck1", .id = 52, }, { .n = "gmac0_tsu_clk", .p = "mck1", .id = 53, }, { .n = "gmac1_tsu_clk", .p = "mck1", .id = 54, }, { .n = "icm_clk", .p = "mck1", .id = 55, }, { .n = "isc_clk", .p = "mck3", .id = 56, .r = { .max = 266000000, }, }, { .n = "i2smcc0_clk", .p = "mck1", .id = 57, .r = { .max = 200000000, }, }, { .n = "i2smcc1_clk", .p = "mck1", .id = 58, .r = { .max = 200000000, }, }, { .n = "matrix_clk", .p = "mck1", .id = 60, }, { .n = "mcan0_clk", .p = "mck1", .id = 61, .r = { .max = 200000000, }, }, { .n = "mcan1_clk", .p = "mck1", .id = 62, .r = { .max = 200000000, }, }, { .n = "mcan2_clk", .p = "mck1", .id = 63, .r = { .max = 200000000, }, }, { .n = "mcan3_clk", .p = "mck1", .id = 64, .r = { .max = 200000000, }, }, { .n = "mcan4_clk", .p = "mck1", .id = 65, .r = { .max = 200000000, }, }, { .n = "mcan5_clk", .p = "mck1", .id = 66, .r = { .max = 200000000, }, }, { .n = "pdmc0_clk", .p = "mck1", .id = 68, .r = { .max = 200000000, }, }, { .n = "pdmc1_clk", .p = "mck1", .id = 69, .r = { .max = 200000000, }, }, { .n = "pit64b0_clk", .p = "mck1", .id = 70, }, { .n = "pit64b1_clk", .p = "mck1", .id = 71, }, { .n = "pit64b2_clk", .p = "mck1", .id = 72, }, { .n = "pit64b3_clk", .p = "mck1", .id = 73, }, { .n = "pit64b4_clk", .p = "mck1", .id = 74, }, { .n = "pit64b5_clk", .p = "mck1", .id = 75, }, { .n = "pwm_clk", .p = "mck1", .id = 77, }, { .n = "qspi0_clk", .p = "mck1", .id = 78, }, { .n = "qspi1_clk", .p = "mck1", .id = 79, }, { .n = "sdmmc0_clk", .p = "mck1", .id = 80, }, { .n = "sdmmc1_clk", .p = "mck1", .id = 81, }, { .n = "sdmmc2_clk", .p = "mck1", .id = 82, }, { .n = "sha_clk", .p = "mck1", .id = 83, }, { .n = "spdifrx_clk", .p = "mck1", .id = 84, .r = { .max = 200000000, }, }, { .n = "spdiftx_clk", .p = "mck1", .id = 85, .r = { .max = 200000000, }, }, { .n = "ssc0_clk", .p = "mck1", .id = 86, .r = { .max = 200000000, }, }, { .n = "ssc1_clk", .p = "mck1", .id = 87, .r = { .max = 200000000, }, }, { .n = "tcb0_ch0_clk", .p = "mck1", .id = 88, .r = { .max = 200000000, }, }, { .n = "tcb0_ch1_clk", .p = "mck1", .id = 89, .r = { .max = 200000000, }, }, { .n = "tcb0_ch2_clk", .p = "mck1", .id = 90, .r = { .max = 200000000, }, }, { .n = "tcb1_ch0_clk", .p = "mck1", .id = 91, .r = { .max = 200000000, }, }, { .n = "tcb1_ch1_clk", .p = "mck1", .id = 92, .r = { .max = 200000000, }, }, { .n = "tcb1_ch2_clk", .p = "mck1", .id = 93, .r = { .max = 200000000, }, }, { .n = "tcpca_clk", .p = "mck1", .id = 94, }, { .n = "tcpcb_clk", .p = "mck1", .id = 95, }, { .n = "tdes_clk", .p = "mck1", .id = 96, }, { .n = "trng_clk", .p = "mck1", .id = 97, }, { .n = "udphsa_clk", .p = "mck1", .id = 104, }, { .n = "udphsb_clk", .p = "mck1", .id = 105, }, { .n = "uhphs_clk", .p = "mck1", .id = 106, }, }; /** * Generic clock description * @n: clock name * @ep: extra parents names * @ep_mux_table: extra parents mux table * @ep_clk_mux_table: extra parents clock mux table (for CCF) * @r: clock output range * @ep_count: extra parents count * @id: clock id */ static const struct { const char *n; const char *ep[8]; const char ep_mux_table[8]; const char ep_clk_mux_table[8]; struct clk_range r; u8 ep_count; u8 id; } sama7g5_gck[] = { { .n = "adc_gclk", .id = 26, .r = { .max = 100000000, }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "audiopll_divpmcck", }, .ep_mux_table = { 5, 7, 9, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_AUDIO_DIVPMC, }, .ep_count = 3, }, { .n = "asrc_gclk", .id = 30, .r = { .max = 200000000 }, .ep = { "audiopll_divpmcck", }, .ep_mux_table = { 9, }, .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, }, .ep_count = 1, }, { .n = "csi_gclk", .id = 33, .r = { .max = 27000000 }, .ep = { "ddrpll_divpmcck", "imgpll_divpmcck", }, .ep_clk_mux_table = { ID_PLL_DDR_DIV, ID_PLL_IMG_DIV, }, .ep_mux_table = { 6, 7, }, .ep_count = 2, }, { .n = "flex0_gclk", .id = 38, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex1_gclk", .id = 39, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex2_gclk", .id = 40, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex3_gclk", .id = 41, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex4_gclk", .id = 42, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex5_gclk", .id = 43, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex6_gclk", .id = 44, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex7_gclk", .id = 45, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex8_gclk", .id = 46, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex9_gclk", .id = 47, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex10_gclk", .id = 48, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "flex11_gclk", .id = 49, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "gmac0_gclk", .id = 51, .r = { .max = 125000000 }, .ep = { "ethpll_divpmcck", }, .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, .ep_mux_table = { 10, }, .ep_count = 1, }, { .n = "gmac1_gclk", .id = 52, .r = { .max = 50000000 }, .ep = { "ethpll_divpmcck", }, .ep_mux_table = { 10, }, .ep_clk_mux_table = { ID_PLL_ETH_DIV, }, .ep_count = 1, }, { .n = "gmac0_tsu_gclk", .id = 53, .r = { .max = 300000000 }, .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 9, 10, }, .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 2, }, { .n = "gmac1_tsu_gclk", .id = 54, .r = { .max = 300000000 }, .ep = { "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 9, 10, }, .ep_clk_mux_table = { ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 2, }, { .n = "i2smcc0_gclk", .id = 57, .r = { .max = 100000000 }, .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, .ep_mux_table = { 5, 9, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, .ep_count = 2, }, { .n = "i2smcc1_gclk", .id = 58, .r = { .max = 100000000 }, .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, .ep_mux_table = { 5, 9, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, .ep_count = 2, }, { .n = "mcan0_gclk", .id = 61, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "mcan1_gclk", .id = 62, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "mcan2_gclk", .id = 63, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "mcan3_gclk", .id = 64, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "mcan4_gclk", .id = 65, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "mcan5_gclk", .id = 66, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "pdmc0_gclk", .id = 68, .r = { .max = 50000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "pdmc1_gclk", .id = 69, .r = { .max = 50000000, }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "pit64b0_gclk", .id = 70, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "pit64b1_gclk", .id = 71, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "pit64b2_gclk", .id = 72, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "pit64b3_gclk", .id = 73, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "pit64b4_gclk", .id = 74, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "pit64b5_gclk", .id = 75, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "qspi0_gclk", .id = 78, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 2, }, { .n = "qspi1_gclk", .id = 79, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "sdmmc0_gclk", .id = 80, .r = { .max = 208000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "sdmmc1_gclk", .id = 81, .r = { .max = 208000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "sdmmc2_gclk", .id = 82, .r = { .max = 208000000 }, .ep = { "syspll_divpmcck", "baudpll_divpmcck", }, .ep_mux_table = { 5, 8, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_BAUD_DIV, }, .ep_count = 2, }, { .n = "spdifrx_gclk", .id = 84, .r = { .max = 150000000 }, .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, .ep_mux_table = { 5, 9, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, .ep_count = 2, }, { .n = "spdiftx_gclk", .id = 85, .r = { .max = 25000000 }, .ep = { "syspll_divpmcck", "audiopll_divpmcck", }, .ep_mux_table = { 5, 9, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_AUDIO_DIVPMC, }, .ep_count = 2, }, { .n = "tcb0_ch0_gclk", .id = 88, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, { .n = "tcb1_ch0_gclk", .id = 91, .r = { .max = 200000000 }, .ep = { "syspll_divpmcck", "imgpll_divpmcck", "baudpll_divpmcck", "audiopll_divpmcck", "ethpll_divpmcck", }, .ep_mux_table = { 5, 7, 8, 9, 10, }, .ep_clk_mux_table = { ID_PLL_SYS_DIV, ID_PLL_IMG_DIV, ID_PLL_BAUD_DIV, ID_PLL_AUDIO_DIVPMC, ID_PLL_ETH_DIV, }, .ep_count = 5, }, }; /** * Clock setup description * @cid: clock id corresponding to clock subsystem * @pid: parent clock id corresponding to clock subsystem * @rate: clock rate * @prate: parent rate */ static const struct pmc_clk_setup { unsigned int cid; unsigned int pid; unsigned long rate; unsigned long prate; } sama7g5_clk_setup[] = { { .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_FRAC), .rate = 625000000, }, { .cid = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV), .rate = 625000000, }, }; #define SAMA7G5_MAX_MUX_ALLOCS (64) #define prepare_mux_table(_allocs, _index, _dst, _src, _num, _label) \ do { \ int _i; \ if ((_index) >= SAMA7G5_MAX_MUX_ALLOCS) { \ debug("%s(): AT91: MUX: insufficient space\n", \ __func__); \ goto _label; \ } \ (_dst) = kzalloc(sizeof(*(_dst)) * (_num), GFP_KERNEL); \ if (!(_dst)) \ goto _label; \ (_allocs)[(_index)++] = (_dst); \ for (_i = 0; _i < (_num); _i++) \ (_dst)[_i] = (_src)[_i]; \ } while (0) static int sama7g5_clk_probe(struct udevice *dev) { void __iomem *base = (void *)devfdt_get_addr(dev); unsigned int *clkmuxallocs[SAMA7G5_MAX_MUX_ALLOCS]; unsigned int *muxallocs[SAMA7G5_MAX_MUX_ALLOCS]; const char *p[10]; unsigned int cm[10], m[10], *tmpclkmux, *tmpmux; struct clk clk, *c, *parent; bool main_osc_bypass; int ret, muxallocindex = 0, clkmuxallocindex = 0, i, j; if (IS_ERR(base)) return PTR_ERR(base); memset(muxallocs, 0, ARRAY_SIZE(muxallocs)); memset(clkmuxallocs, 0, ARRAY_SIZE(clkmuxallocs)); ret = clk_get_by_index(dev, 0, &clk); if (ret) return ret; ret = clk_get_by_id(clk.id, &c); if (ret) return ret; clk_names[ID_TD_SLCK] = kmemdup(clk_hw_get_name(c), strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); if (!clk_names[ID_TD_SLCK]) return -ENOMEM; ret = clk_get_by_index(dev, 1, &clk); if (ret) return ret; ret = clk_get_by_id(clk.id, &c); if (ret) return ret; clk_names[ID_MD_SLCK] = kmemdup(clk_hw_get_name(c), strlen(clk_hw_get_name(c)) + 1, GFP_KERNEL); if (!clk_names[ID_MD_SLCK]) return -ENOMEM; ret = clk_get_by_index(dev, 2, &clk); if (ret) return ret; clk_names[ID_MAIN_XTAL] = kmemdup(clk_hw_get_name(&clk), strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); if (!clk_names[ID_MAIN_XTAL]) return -ENOMEM; ret = clk_get_by_index(dev, 3, &clk); if (ret) goto fail; clk_names[ID_MAIN_RC] = kmemdup(clk_hw_get_name(&clk), strlen(clk_hw_get_name(&clk)) + 1, GFP_KERNEL); if (ret) goto fail; main_osc_bypass = dev_read_bool(dev, "atmel,main-osc-bypass"); /* Register main rc oscillator. */ clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC), at91_clk_main_rc(base, clk_names[ID_MAIN_RC_OSC], clk_names[ID_MAIN_RC])); /* Register main oscillator. */ clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC), at91_clk_main_osc(base, clk_names[ID_MAIN_OSC], clk_names[ID_MAIN_XTAL], main_osc_bypass)); /* Register mainck. */ p[0] = clk_names[ID_MAIN_RC_OSC]; p[1] = clk_names[ID_MAIN_OSC]; cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_RC_OSC); cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAIN_OSC); prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, fail); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK), at91_clk_sam9x5_main(base, clk_names[ID_MAINCK], p, 2, tmpclkmux, PMC_TYPE_CORE)); /* Register PLL fracs clocks. */ for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { if (sama7g5_plls[i].t != PLL_TYPE_FRAC) continue; clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), sam9x60_clk_register_frac_pll(base, sama7g5_plls[i].n, sama7g5_plls[i].p, sama7g5_plls[i].id, &pll_characteristics, sama7g5_plls[i].l, sama7g5_plls[i].c)); } /* Register PLL div clocks. */ for (i = 0; i < ARRAY_SIZE(sama7g5_plls); i++) { if (sama7g5_plls[i].t != PLL_TYPE_DIV) continue; clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_plls[i].cid), sam9x60_clk_register_div_pll(base, sama7g5_plls[i].n, sama7g5_plls[i].p, sama7g5_plls[i].id, &pll_characteristics, sama7g5_plls[i].l, sama7g5_plls[i].c)); } /* Register MCK0_PRES clock. */ p[0] = clk_names[ID_MD_SLCK]; p[1] = clk_names[ID_MAINCK]; p[2] = clk_names[ID_PLL_CPU_DIV]; p[3] = clk_names[ID_PLL_SYS_DIV]; cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_CPU_DIV); cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 2, fail); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0_PRES), at91_clk_register_master_pres(base, clk_names[ID_MCK0_PRES], p, 4, &mck0_layout, &mck0_characteristics, tmpclkmux)); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0_DIV), at91_clk_register_master_div(base, clk_names[ID_MCK0_DIV], clk_names[ID_MCK0_PRES], &mck0_layout, &mck0_characteristics)); /* Register MCK1-4 clocks. */ p[0] = clk_names[ID_MD_SLCK]; p[1] = clk_names[ID_TD_SLCK]; p[2] = clk_names[ID_MAINCK]; p[3] = clk_names[ID_MCK0_DIV]; m[0] = 0; m[1] = 1; m[2] = 2; m[3] = 3; cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0_DIV); for (i = 0; i < ARRAY_SIZE(sama7g5_mckx); i++) { for (j = 0; j < sama7g5_mckx[i].ep_count; j++) { p[4 + j] = sama7g5_mckx[i].ep[j]; m[4 + j] = sama7g5_mckx[i].ep_mux_table[j]; cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_mckx[i].ep_clk_mux_table[j]); } prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 4 + sama7g5_mckx[i].ep_count, fail); prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, 4 + sama7g5_mckx[i].ep_count, fail); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_mckx[i].cid), at91_clk_sama7g5_register_master(base, sama7g5_mckx[i].n, p, 4 + sama7g5_mckx[i].ep_count, tmpmux, tmpclkmux, sama7g5_mckx[i].c, sama7g5_mckx[i].id)); } /* Register UTMI clock. */ clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_UTMI), at91_clk_sama7g5_register_utmi(base, "utmick", clk_names[ID_MAIN_XTAL])); /* Register programmable clocks. */ p[0] = clk_names[ID_MD_SLCK]; p[1] = clk_names[ID_TD_SLCK]; p[2] = clk_names[ID_MAINCK]; p[3] = clk_names[ID_MCK0_DIV]; p[4] = clk_names[ID_PLL_SYS_DIV]; p[5] = clk_names[ID_PLL_DDR_DIV]; p[6] = clk_names[ID_PLL_IMG_DIV]; p[7] = clk_names[ID_PLL_BAUD_DIV]; p[8] = clk_names[ID_PLL_AUDIO_DIVPMC]; p[9] = clk_names[ID_PLL_ETH_DIV]; cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0_DIV); cm[4] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_SYS_DIV); cm[5] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_DDR_DIV); cm[6] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_IMG_DIV); cm[7] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_BAUD_DIV); cm[8] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_AUDIO_DIVPMC); cm[9] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_PLL_ETH_DIV); for (i = 0; i < ARRAY_SIZE(sama7g5_prog); i++) { prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 10, fail); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_prog[i].cid), at91_clk_register_programmable(base, sama7g5_prog[i].n, p, 10, i, &programmable_layout, tmpclkmux, sama7g5_prog_mux_table)); } /* System clocks. */ for (i = 0; i < ARRAY_SIZE(sama7g5_systemck); i++) { clk_dm(AT91_TO_CLK_ID(PMC_TYPE_SYSTEM, sama7g5_systemck[i].cid), at91_clk_register_system(base, sama7g5_systemck[i].n, sama7g5_systemck[i].p, sama7g5_systemck[i].id)); } /* Peripheral clocks. */ for (i = 0; i < ARRAY_SIZE(sama7g5_periphck); i++) { clk_dm(AT91_TO_CLK_ID(PMC_TYPE_PERIPHERAL, sama7g5_periphck[i].id), at91_clk_register_sam9x5_peripheral(base, &sama7g5_pcr_layout, sama7g5_periphck[i].n, sama7g5_periphck[i].p, sama7g5_periphck[i].id, &sama7g5_periphck[i].r)); } /* Generic clocks. */ p[0] = clk_names[ID_MD_SLCK]; p[1] = clk_names[ID_TD_SLCK]; p[2] = clk_names[ID_MAINCK]; p[3] = clk_names[ID_MCK0_DIV]; m[0] = 0; m[1] = 1; m[2] = 2; m[3] = 3; cm[0] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MD_SLCK); cm[1] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_TD_SLCK); cm[2] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MAINCK); cm[3] = AT91_TO_CLK_ID(PMC_TYPE_CORE, ID_MCK0_DIV); for (i = 0; i < ARRAY_SIZE(sama7g5_gck); i++) { for (j = 0; j < sama7g5_gck[i].ep_count; j++) { p[4 + j] = sama7g5_gck[i].ep[j]; m[4 + j] = sama7g5_gck[i].ep_mux_table[j]; cm[4 + j] = AT91_TO_CLK_ID(PMC_TYPE_CORE, sama7g5_gck[i].ep_clk_mux_table[j]); } prepare_mux_table(clkmuxallocs, clkmuxallocindex, tmpclkmux, cm, 4 + sama7g5_gck[i].ep_count, fail); prepare_mux_table(muxallocs, muxallocindex, tmpmux, m, 4 + sama7g5_gck[i].ep_count, fail); clk_dm(AT91_TO_CLK_ID(PMC_TYPE_GCK, sama7g5_gck[i].id), at91_clk_register_generic(base, &sama7g5_pcr_layout, sama7g5_gck[i].n, p, tmpclkmux, tmpmux, 4 + sama7g5_gck[i].ep_count, sama7g5_gck[i].id, &sama7g5_gck[i].r)); } /* Setup clocks. */ for (i = 0; i < ARRAY_SIZE(sama7g5_clk_setup); i++) { ret = clk_get_by_id(sama7g5_clk_setup[i].cid, &c); if (ret) goto fail; if (sama7g5_clk_setup[i].pid) { ret = clk_get_by_id(sama7g5_clk_setup[i].pid, &parent); if (ret) goto fail; ret = clk_set_parent(c, parent); if (ret) goto fail; if (sama7g5_clk_setup[i].prate) { ret = clk_set_rate(parent, sama7g5_clk_setup[i].prate); if (ret < 0) goto fail; } } if (sama7g5_clk_setup[i].rate) { ret = clk_set_rate(c, sama7g5_clk_setup[i].rate); if (ret < 0) goto fail; } } return 0; fail: for (i = 0; i < ARRAY_SIZE(muxallocs); i++) kfree(muxallocs[i]); for (i = 0; i < ARRAY_SIZE(clkmuxallocs); i++) kfree(clkmuxallocs[i]); return -ENOMEM; } static const struct udevice_id sama7g5_clk_ids[] = { { .compatible = "microchip,sama7g5-pmc" }, { /* Sentinel. */ }, }; U_BOOT_DRIVER(at91_sama7g5_pmc) = { .name = "at91-sama7g5-pmc", .id = UCLASS_CLK, .of_match = sama7g5_clk_ids, .ops = &at91_clk_ops, .probe = sama7g5_clk_probe, .flags = DM_FLAG_PRE_RELOC, };