// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015 Endless Mobile, Inc. * Author: Carlo Caione * * Copyright (c) 2016 BayLibre, Inc. * Michael Turquette */ #include #include #include #include #include #include #include #include #include "clkc.h" #include "meson8b.h" #include "clk-regmap.h" static DEFINE_SPINLOCK(meson_clk_lock); static void __iomem *clk_base; struct meson8b_clk_reset { struct reset_controller_dev reset; void __iomem *base; }; static const struct pll_rate_table sys_pll_rate_table[] = { PLL_RATE(312000000, 52, 1, 2), PLL_RATE(336000000, 56, 1, 2), PLL_RATE(360000000, 60, 1, 2), PLL_RATE(384000000, 64, 1, 2), PLL_RATE(408000000, 68, 1, 2), PLL_RATE(432000000, 72, 1, 2), PLL_RATE(456000000, 76, 1, 2), PLL_RATE(480000000, 80, 1, 2), PLL_RATE(504000000, 84, 1, 2), PLL_RATE(528000000, 88, 1, 2), PLL_RATE(552000000, 92, 1, 2), PLL_RATE(576000000, 96, 1, 2), PLL_RATE(600000000, 50, 1, 1), PLL_RATE(624000000, 52, 1, 1), PLL_RATE(648000000, 54, 1, 1), PLL_RATE(672000000, 56, 1, 1), PLL_RATE(696000000, 58, 1, 1), PLL_RATE(720000000, 60, 1, 1), PLL_RATE(744000000, 62, 1, 1), PLL_RATE(768000000, 64, 1, 1), PLL_RATE(792000000, 66, 1, 1), PLL_RATE(816000000, 68, 1, 1), PLL_RATE(840000000, 70, 1, 1), PLL_RATE(864000000, 72, 1, 1), PLL_RATE(888000000, 74, 1, 1), PLL_RATE(912000000, 76, 1, 1), PLL_RATE(936000000, 78, 1, 1), PLL_RATE(960000000, 80, 1, 1), PLL_RATE(984000000, 82, 1, 1), PLL_RATE(1008000000, 84, 1, 1), PLL_RATE(1032000000, 86, 1, 1), PLL_RATE(1056000000, 88, 1, 1), PLL_RATE(1080000000, 90, 1, 1), PLL_RATE(1104000000, 92, 1, 1), PLL_RATE(1128000000, 94, 1, 1), PLL_RATE(1152000000, 96, 1, 1), PLL_RATE(1176000000, 98, 1, 1), PLL_RATE(1200000000, 50, 1, 0), PLL_RATE(1224000000, 51, 1, 0), PLL_RATE(1248000000, 52, 1, 0), PLL_RATE(1272000000, 53, 1, 0), PLL_RATE(1296000000, 54, 1, 0), PLL_RATE(1320000000, 55, 1, 0), PLL_RATE(1344000000, 56, 1, 0), PLL_RATE(1368000000, 57, 1, 0), PLL_RATE(1392000000, 58, 1, 0), PLL_RATE(1416000000, 59, 1, 0), PLL_RATE(1440000000, 60, 1, 0), PLL_RATE(1464000000, 61, 1, 0), PLL_RATE(1488000000, 62, 1, 0), PLL_RATE(1512000000, 63, 1, 0), PLL_RATE(1536000000, 64, 1, 0), { /* sentinel */ }, }; static struct clk_fixed_rate meson8b_xtal = { .fixed_rate = 24000000, .hw.init = &(struct clk_init_data){ .name = "xtal", .num_parents = 0, .ops = &clk_fixed_rate_ops, }, }; static struct clk_regmap meson8b_fixed_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_MPLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_MPLL_CNTL, .shift = 9, .width = 5, }, .od = { .reg_off = HHI_MPLL_CNTL, .shift = 16, .width = 2, }, .frac = { .reg_off = HHI_MPLL_CNTL2, .shift = 0, .width = 12, }, .l = { .reg_off = HHI_MPLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_MPLL_CNTL, .shift = 29, .width = 1, }, }, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_vid_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_VID_PLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_VID_PLL_CNTL, .shift = 10, .width = 5, }, .od = { .reg_off = HHI_VID_PLL_CNTL, .shift = 16, .width = 2, }, .l = { .reg_off = HHI_VID_PLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_VID_PLL_CNTL, .shift = 29, .width = 1, }, }, .hw.init = &(struct clk_init_data){ .name = "vid_pll", .ops = &meson_clk_pll_ro_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_sys_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_SYS_PLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_SYS_PLL_CNTL, .shift = 9, .width = 5, }, .od = { .reg_off = HHI_SYS_PLL_CNTL, .shift = 16, .width = 2, }, .l = { .reg_off = HHI_SYS_PLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_SYS_PLL_CNTL, .shift = 29, .width = 1, }, .table = sys_pll_rate_table, }, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static struct clk_fixed_factor meson8b_fclk_div2_div = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ .name = "fclk_div2_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_fclk_div2 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL6, .bit_idx = 27, }, .hw.init = &(struct clk_init_data){ .name = "fclk_div2", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "fclk_div2_div" }, .num_parents = 1, /* * FIXME: Ethernet with a RGMII PHYs is not working if * fclk_div2 is disabled. it is currently unclear why this * is. keep it enabled until the Ethernet driver knows how * to manage this clock. */ .flags = CLK_IS_CRITICAL, }, }; static struct clk_fixed_factor meson8b_fclk_div3_div = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ .name = "fclk_div3_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_fclk_div3 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL6, .bit_idx = 28, }, .hw.init = &(struct clk_init_data){ .name = "fclk_div3", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "fclk_div3_div" }, .num_parents = 1, }, }; static struct clk_fixed_factor meson8b_fclk_div4_div = { .mult = 1, .div = 4, .hw.init = &(struct clk_init_data){ .name = "fclk_div4_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_fclk_div4 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL6, .bit_idx = 29, }, .hw.init = &(struct clk_init_data){ .name = "fclk_div4", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "fclk_div4_div" }, .num_parents = 1, }, }; static struct clk_fixed_factor meson8b_fclk_div5_div = { .mult = 1, .div = 5, .hw.init = &(struct clk_init_data){ .name = "fclk_div5_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_fclk_div5 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL6, .bit_idx = 30, }, .hw.init = &(struct clk_init_data){ .name = "fclk_div5", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "fclk_div5_div" }, .num_parents = 1, }, }; static struct clk_fixed_factor meson8b_fclk_div7_div = { .mult = 1, .div = 7, .hw.init = &(struct clk_init_data){ .name = "fclk_div7_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_fclk_div7 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL6, .bit_idx = 31, }, .hw.init = &(struct clk_init_data){ .name = "fclk_div7", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "fclk_div7_div" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_mpll_prediv = { .data = &(struct clk_regmap_div_data){ .offset = HHI_MPLL_CNTL5, .shift = 12, .width = 1, }, .hw.init = &(struct clk_init_data){ .name = "mpll_prediv", .ops = &clk_regmap_divider_ro_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_mpll0_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL7, .shift = 0, .width = 14, }, .sdm_en = { .reg_off = HHI_MPLL_CNTL7, .shift = 15, .width = 1, }, .n2 = { .reg_off = HHI_MPLL_CNTL7, .shift = 16, .width = 9, }, .ssen = { .reg_off = HHI_MPLL_CNTL, .shift = 25, .width = 1, }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ .name = "mpll0_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_mpll0 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL7, .bit_idx = 14, }, .hw.init = &(struct clk_init_data){ .name = "mpll0", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpll0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap meson8b_mpll1_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL8, .shift = 0, .width = 14, }, .sdm_en = { .reg_off = HHI_MPLL_CNTL8, .shift = 15, .width = 1, }, .n2 = { .reg_off = HHI_MPLL_CNTL8, .shift = 16, .width = 9, }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ .name = "mpll1_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_mpll1 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL8, .bit_idx = 14, }, .hw.init = &(struct clk_init_data){ .name = "mpll1", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpll1_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap meson8b_mpll2_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL9, .shift = 0, .width = 14, }, .sdm_en = { .reg_off = HHI_MPLL_CNTL9, .shift = 15, .width = 1, }, .n2 = { .reg_off = HHI_MPLL_CNTL9, .shift = 16, .width = 9, }, .lock = &meson_clk_lock, }, .hw.init = &(struct clk_init_data){ .name = "mpll2_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_mpll2 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL_CNTL9, .bit_idx = 14, }, .hw.init = &(struct clk_init_data){ .name = "mpll2", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpll2_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static u32 mux_table_clk81[] = { 6, 5, 7 }; static struct clk_regmap meson8b_mpeg_clk_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_MPEG_CLK_CNTL, .mask = 0x7, .shift = 12, .table = mux_table_clk81, }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", .ops = &clk_regmap_mux_ro_ops, /* * FIXME bits 14:12 selects from 8 possible parents: * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2, * fclk_div4, fclk_div3, fclk_div5 */ .parent_names = (const char *[]){ "fclk_div3", "fclk_div4", "fclk_div5" }, .num_parents = 3, }, }; static struct clk_regmap meson8b_mpeg_clk_div = { .data = &(struct clk_regmap_div_data){ .offset = HHI_MPEG_CLK_CNTL, .shift = 0, .width = 7, }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", .ops = &clk_regmap_divider_ro_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, }, }; static struct clk_regmap meson8b_clk81 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPEG_CLK_CNTL, .bit_idx = 7, }, .hw.init = &(struct clk_init_data){ .name = "clk81", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, .flags = CLK_IS_CRITICAL, }, }; static struct clk_regmap meson8b_cpu_in_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 0, }, .hw.init = &(struct clk_init_data){ .name = "cpu_in_sel", .ops = &clk_regmap_mux_ro_ops, .parent_names = (const char *[]){ "xtal", "sys_pll" }, .num_parents = 2, .flags = (CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT), }, }; static struct clk_fixed_factor meson8b_cpu_div2 = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ .name = "cpu_div2", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "cpu_in_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_fixed_factor meson8b_cpu_div3 = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ .name = "cpu_div3", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "cpu_in_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static const struct clk_div_table cpu_scale_table[] = { { .val = 1, .div = 4 }, { .val = 2, .div = 6 }, { .val = 3, .div = 8 }, { .val = 4, .div = 10 }, { .val = 5, .div = 12 }, { .val = 6, .div = 14 }, { .val = 7, .div = 16 }, { .val = 8, .div = 18 }, { /* sentinel */ }, }; static struct clk_regmap meson8b_cpu_scale_div = { .data = &(struct clk_regmap_div_data){ .offset = HHI_SYS_CPU_CLK_CNTL1, .shift = 20, .width = 10, .table = cpu_scale_table, .flags = CLK_DIVIDER_ALLOW_ZERO, }, .hw.init = &(struct clk_init_data){ .name = "cpu_scale_div", .ops = &clk_regmap_divider_ro_ops, .parent_names = (const char *[]){ "cpu_in_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static u32 mux_table_cpu_scale_out_sel[] = { 0, 1, 3 }; static struct clk_regmap meson8b_cpu_scale_out_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x3, .shift = 2, .table = mux_table_cpu_scale_out_sel, }, .hw.init = &(struct clk_init_data){ .name = "cpu_scale_out_sel", .ops = &clk_regmap_mux_ro_ops, /* * NOTE: We are skipping the parent with value 0x2 (which is * "cpu_div3") because it results in a duty cycle of 33% which * makes the system unstable and can result in a lockup of the * whole system. */ .parent_names = (const char *[]) { "cpu_in_sel", "cpu_div2", "cpu_scale_div" }, .num_parents = 3, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap meson8b_cpu_clk = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_SYS_CPU_CLK_CNTL0, .mask = 0x1, .shift = 7, }, .hw.init = &(struct clk_init_data){ .name = "cpu_clk", .ops = &clk_regmap_mux_ro_ops, .parent_names = (const char *[]){ "xtal", "cpu_scale_out_sel" }, .num_parents = 2, .flags = (CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT | CLK_IS_CRITICAL), }, }; static struct clk_regmap meson8b_nand_clk_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_NAND_CLK_CNTL, .mask = 0x7, .shift = 9, .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "nand_clk_sel", .ops = &clk_regmap_mux_ops, /* FIXME all other parents are unknown: */ .parent_names = (const char *[]){ "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7", "xtal" }, .num_parents = 5, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap meson8b_nand_clk_div = { .data = &(struct clk_regmap_div_data){ .offset = HHI_NAND_CLK_CNTL, .shift = 0, .width = 7, .flags = CLK_DIVIDER_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "nand_clk_div", .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "nand_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap meson8b_nand_clk_gate = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_NAND_CLK_CNTL, .bit_idx = 8, }, .hw.init = &(struct clk_init_data){ .name = "nand_clk_gate", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "nand_clk_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; /* Everything Else (EE) domain gates */ static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0); static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1); static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5); static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6); static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7); static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8); static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9); static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10); static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11); static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12); static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13); static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14); static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15); static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16); static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17); static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18); static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19); static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23); static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30); static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2); static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3); static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4); static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6); static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7); static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8); static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9); static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10); static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11); static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12); static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13); static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14); static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15); static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16); static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20); static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21); static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22); static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23); static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24); static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25); static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26); static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28); static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29); static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30); static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31); static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1); static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2); static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3); static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4); static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8); static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9); static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11); static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12); static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15); static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22); static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25); static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29); static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1); static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2); static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3); static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4); static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8); static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9); static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10); static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14); static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16); static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20); static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21); static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22); static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24); static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25); static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26); static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31); /* Always On (AO) domain gates */ static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0); static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1); static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2); static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3); static struct clk_hw_onecell_data meson8b_hw_onecell_data = { .hws = { [CLKID_XTAL] = &meson8b_xtal.hw, [CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw, [CLKID_PLL_VID] = &meson8b_vid_pll.hw, [CLKID_PLL_SYS] = &meson8b_sys_pll.hw, [CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw, [CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw, [CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw, [CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw, [CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw, [CLKID_CPUCLK] = &meson8b_cpu_clk.hw, [CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw, [CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw, [CLKID_CLK81] = &meson8b_clk81.hw, [CLKID_DDR] = &meson8b_ddr.hw, [CLKID_DOS] = &meson8b_dos.hw, [CLKID_ISA] = &meson8b_isa.hw, [CLKID_PL301] = &meson8b_pl301.hw, [CLKID_PERIPHS] = &meson8b_periphs.hw, [CLKID_SPICC] = &meson8b_spicc.hw, [CLKID_I2C] = &meson8b_i2c.hw, [CLKID_SAR_ADC] = &meson8b_sar_adc.hw, [CLKID_SMART_CARD] = &meson8b_smart_card.hw, [CLKID_RNG0] = &meson8b_rng0.hw, [CLKID_UART0] = &meson8b_uart0.hw, [CLKID_SDHC] = &meson8b_sdhc.hw, [CLKID_STREAM] = &meson8b_stream.hw, [CLKID_ASYNC_FIFO] = &meson8b_async_fifo.hw, [CLKID_SDIO] = &meson8b_sdio.hw, [CLKID_ABUF] = &meson8b_abuf.hw, [CLKID_HIU_IFACE] = &meson8b_hiu_iface.hw, [CLKID_ASSIST_MISC] = &meson8b_assist_misc.hw, [CLKID_SPI] = &meson8b_spi.hw, [CLKID_I2S_SPDIF] = &meson8b_i2s_spdif.hw, [CLKID_ETH] = &meson8b_eth.hw, [CLKID_DEMUX] = &meson8b_demux.hw, [CLKID_AIU_GLUE] = &meson8b_aiu_glue.hw, [CLKID_IEC958] = &meson8b_iec958.hw, [CLKID_I2S_OUT] = &meson8b_i2s_out.hw, [CLKID_AMCLK] = &meson8b_amclk.hw, [CLKID_AIFIFO2] = &meson8b_aififo2.hw, [CLKID_MIXER] = &meson8b_mixer.hw, [CLKID_MIXER_IFACE] = &meson8b_mixer_iface.hw, [CLKID_ADC] = &meson8b_adc.hw, [CLKID_BLKMV] = &meson8b_blkmv.hw, [CLKID_AIU] = &meson8b_aiu.hw, [CLKID_UART1] = &meson8b_uart1.hw, [CLKID_G2D] = &meson8b_g2d.hw, [CLKID_USB0] = &meson8b_usb0.hw, [CLKID_USB1] = &meson8b_usb1.hw, [CLKID_RESET] = &meson8b_reset.hw, [CLKID_NAND] = &meson8b_nand.hw, [CLKID_DOS_PARSER] = &meson8b_dos_parser.hw, [CLKID_USB] = &meson8b_usb.hw, [CLKID_VDIN1] = &meson8b_vdin1.hw, [CLKID_AHB_ARB0] = &meson8b_ahb_arb0.hw, [CLKID_EFUSE] = &meson8b_efuse.hw, [CLKID_BOOT_ROM] = &meson8b_boot_rom.hw, [CLKID_AHB_DATA_BUS] = &meson8b_ahb_data_bus.hw, [CLKID_AHB_CTRL_BUS] = &meson8b_ahb_ctrl_bus.hw, [CLKID_HDMI_INTR_SYNC] = &meson8b_hdmi_intr_sync.hw, [CLKID_HDMI_PCLK] = &meson8b_hdmi_pclk.hw, [CLKID_USB1_DDR_BRIDGE] = &meson8b_usb1_ddr_bridge.hw, [CLKID_USB0_DDR_BRIDGE] = &meson8b_usb0_ddr_bridge.hw, [CLKID_MMC_PCLK] = &meson8b_mmc_pclk.hw, [CLKID_DVIN] = &meson8b_dvin.hw, [CLKID_UART2] = &meson8b_uart2.hw, [CLKID_SANA] = &meson8b_sana.hw, [CLKID_VPU_INTR] = &meson8b_vpu_intr.hw, [CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw, [CLKID_CLK81_A9] = &meson8b_clk81_a9.hw, [CLKID_VCLK2_VENCI0] = &meson8b_vclk2_venci0.hw, [CLKID_VCLK2_VENCI1] = &meson8b_vclk2_venci1.hw, [CLKID_VCLK2_VENCP0] = &meson8b_vclk2_vencp0.hw, [CLKID_VCLK2_VENCP1] = &meson8b_vclk2_vencp1.hw, [CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw, [CLKID_GCLK_VENCP_INT] = &meson8b_gclk_vencp_int.hw, [CLKID_DAC_CLK] = &meson8b_dac_clk.hw, [CLKID_AOCLK_GATE] = &meson8b_aoclk_gate.hw, [CLKID_IEC958_GATE] = &meson8b_iec958_gate.hw, [CLKID_ENC480P] = &meson8b_enc480p.hw, [CLKID_RNG1] = &meson8b_rng1.hw, [CLKID_GCLK_VENCL_INT] = &meson8b_gclk_vencl_int.hw, [CLKID_VCLK2_VENCLMCC] = &meson8b_vclk2_venclmcc.hw, [CLKID_VCLK2_VENCL] = &meson8b_vclk2_vencl.hw, [CLKID_VCLK2_OTHER] = &meson8b_vclk2_other.hw, [CLKID_EDP] = &meson8b_edp.hw, [CLKID_AO_MEDIA_CPU] = &meson8b_ao_media_cpu.hw, [CLKID_AO_AHB_SRAM] = &meson8b_ao_ahb_sram.hw, [CLKID_AO_AHB_BUS] = &meson8b_ao_ahb_bus.hw, [CLKID_AO_IFACE] = &meson8b_ao_iface.hw, [CLKID_MPLL0] = &meson8b_mpll0.hw, [CLKID_MPLL1] = &meson8b_mpll1.hw, [CLKID_MPLL2] = &meson8b_mpll2.hw, [CLKID_MPLL0_DIV] = &meson8b_mpll0_div.hw, [CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw, [CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw, [CLKID_CPU_IN_SEL] = &meson8b_cpu_in_sel.hw, [CLKID_CPU_DIV2] = &meson8b_cpu_div2.hw, [CLKID_CPU_DIV3] = &meson8b_cpu_div3.hw, [CLKID_CPU_SCALE_DIV] = &meson8b_cpu_scale_div.hw, [CLKID_CPU_SCALE_OUT_SEL] = &meson8b_cpu_scale_out_sel.hw, [CLKID_MPLL_PREDIV] = &meson8b_mpll_prediv.hw, [CLKID_FCLK_DIV2_DIV] = &meson8b_fclk_div2_div.hw, [CLKID_FCLK_DIV3_DIV] = &meson8b_fclk_div3_div.hw, [CLKID_FCLK_DIV4_DIV] = &meson8b_fclk_div4_div.hw, [CLKID_FCLK_DIV5_DIV] = &meson8b_fclk_div5_div.hw, [CLKID_FCLK_DIV7_DIV] = &meson8b_fclk_div7_div.hw, [CLKID_NAND_SEL] = &meson8b_nand_clk_sel.hw, [CLKID_NAND_DIV] = &meson8b_nand_clk_div.hw, [CLKID_NAND_CLK] = &meson8b_nand_clk_gate.hw, [CLK_NR_CLKS] = NULL, }, .num = CLK_NR_CLKS, }; static struct clk_regmap *const meson8b_clk_regmaps[] = { &meson8b_clk81, &meson8b_ddr, &meson8b_dos, &meson8b_isa, &meson8b_pl301, &meson8b_periphs, &meson8b_spicc, &meson8b_i2c, &meson8b_sar_adc, &meson8b_smart_card, &meson8b_rng0, &meson8b_uart0, &meson8b_sdhc, &meson8b_stream, &meson8b_async_fifo, &meson8b_sdio, &meson8b_abuf, &meson8b_hiu_iface, &meson8b_assist_misc, &meson8b_spi, &meson8b_i2s_spdif, &meson8b_eth, &meson8b_demux, &meson8b_aiu_glue, &meson8b_iec958, &meson8b_i2s_out, &meson8b_amclk, &meson8b_aififo2, &meson8b_mixer, &meson8b_mixer_iface, &meson8b_adc, &meson8b_blkmv, &meson8b_aiu, &meson8b_uart1, &meson8b_g2d, &meson8b_usb0, &meson8b_usb1, &meson8b_reset, &meson8b_nand, &meson8b_dos_parser, &meson8b_usb, &meson8b_vdin1, &meson8b_ahb_arb0, &meson8b_efuse, &meson8b_boot_rom, &meson8b_ahb_data_bus, &meson8b_ahb_ctrl_bus, &meson8b_hdmi_intr_sync, &meson8b_hdmi_pclk, &meson8b_usb1_ddr_bridge, &meson8b_usb0_ddr_bridge, &meson8b_mmc_pclk, &meson8b_dvin, &meson8b_uart2, &meson8b_sana, &meson8b_vpu_intr, &meson8b_sec_ahb_ahb3_bridge, &meson8b_clk81_a9, &meson8b_vclk2_venci0, &meson8b_vclk2_venci1, &meson8b_vclk2_vencp0, &meson8b_vclk2_vencp1, &meson8b_gclk_venci_int, &meson8b_gclk_vencp_int, &meson8b_dac_clk, &meson8b_aoclk_gate, &meson8b_iec958_gate, &meson8b_enc480p, &meson8b_rng1, &meson8b_gclk_vencl_int, &meson8b_vclk2_venclmcc, &meson8b_vclk2_vencl, &meson8b_vclk2_other, &meson8b_edp, &meson8b_ao_media_cpu, &meson8b_ao_ahb_sram, &meson8b_ao_ahb_bus, &meson8b_ao_iface, &meson8b_mpeg_clk_div, &meson8b_mpeg_clk_sel, &meson8b_mpll0, &meson8b_mpll1, &meson8b_mpll2, &meson8b_mpll0_div, &meson8b_mpll1_div, &meson8b_mpll2_div, &meson8b_fixed_pll, &meson8b_vid_pll, &meson8b_sys_pll, &meson8b_cpu_in_sel, &meson8b_cpu_scale_div, &meson8b_cpu_scale_out_sel, &meson8b_cpu_clk, &meson8b_mpll_prediv, &meson8b_fclk_div2, &meson8b_fclk_div3, &meson8b_fclk_div4, &meson8b_fclk_div5, &meson8b_fclk_div7, &meson8b_nand_clk_sel, &meson8b_nand_clk_div, &meson8b_nand_clk_gate, }; static const struct meson8b_clk_reset_line { u32 reg; u8 bit_idx; } meson8b_clk_reset_bits[] = { [CLKC_RESET_L2_CACHE_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 30 }, [CLKC_RESET_AXI_64_TO_128_BRIDGE_A5_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 29 }, [CLKC_RESET_SCU_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 28 }, [CLKC_RESET_CPU3_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 27 }, [CLKC_RESET_CPU2_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 26 }, [CLKC_RESET_CPU1_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 25 }, [CLKC_RESET_CPU0_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 24 }, [CLKC_RESET_A5_GLOBAL_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 18 }, [CLKC_RESET_A5_AXI_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 17 }, [CLKC_RESET_A5_ABP_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL0, .bit_idx = 16 }, [CLKC_RESET_AXI_64_TO_128_BRIDGE_MMC_SOFT_RESET] = { .reg = HHI_SYS_CPU_CLK_CNTL1, .bit_idx = 30 }, [CLKC_RESET_VID_CLK_CNTL_SOFT_RESET] = { .reg = HHI_VID_CLK_CNTL, .bit_idx = 15 }, [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_POST] = { .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 7 }, [CLKC_RESET_VID_DIVIDER_CNTL_SOFT_RESET_PRE] = { .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 3 }, [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_POST] = { .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 1 }, [CLKC_RESET_VID_DIVIDER_CNTL_RESET_N_PRE] = { .reg = HHI_VID_DIVIDER_CNTL, .bit_idx = 0 }, }; static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev, unsigned long id, bool assert) { struct meson8b_clk_reset *meson8b_clk_reset = container_of(rcdev, struct meson8b_clk_reset, reset); unsigned long flags; const struct meson8b_clk_reset_line *reset; u32 val; if (id >= ARRAY_SIZE(meson8b_clk_reset_bits)) return -EINVAL; reset = &meson8b_clk_reset_bits[id]; spin_lock_irqsave(&meson_clk_lock, flags); val = readl(meson8b_clk_reset->base + reset->reg); if (assert) val |= BIT(reset->bit_idx); else val &= ~BIT(reset->bit_idx); writel(val, meson8b_clk_reset->base + reset->reg); spin_unlock_irqrestore(&meson_clk_lock, flags); return 0; } static int meson8b_clk_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) { return meson8b_clk_reset_update(rcdev, id, true); } static int meson8b_clk_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) { return meson8b_clk_reset_update(rcdev, id, false); } static const struct reset_control_ops meson8b_clk_reset_ops = { .assert = meson8b_clk_reset_assert, .deassert = meson8b_clk_reset_deassert, }; static const struct regmap_config clkc_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, }; static int meson8b_clkc_probe(struct platform_device *pdev) { int ret, i; struct device *dev = &pdev->dev; struct regmap *map; if (!clk_base) return -ENXIO; map = devm_regmap_init_mmio(dev, clk_base, &clkc_regmap_config); if (IS_ERR(map)) return PTR_ERR(map); /* Populate regmap for the regmap backed clocks */ for (i = 0; i < ARRAY_SIZE(meson8b_clk_regmaps); i++) meson8b_clk_regmaps[i]->map = map; /* * register all clks * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1 */ for (i = CLKID_XTAL; i < CLK_NR_CLKS; i++) { /* array might be sparse */ if (!meson8b_hw_onecell_data.hws[i]) continue; ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[i]); if (ret) return ret; } return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, &meson8b_hw_onecell_data); } static const struct of_device_id meson8b_clkc_match_table[] = { { .compatible = "amlogic,meson8-clkc" }, { .compatible = "amlogic,meson8b-clkc" }, { .compatible = "amlogic,meson8m2-clkc" }, { } }; static struct platform_driver meson8b_driver = { .probe = meson8b_clkc_probe, .driver = { .name = "meson8b-clkc", .of_match_table = meson8b_clkc_match_table, }, }; builtin_platform_driver(meson8b_driver); static void __init meson8b_clkc_reset_init(struct device_node *np) { struct meson8b_clk_reset *rstc; int ret; /* Generic clocks, PLLs and some of the reset-bits */ clk_base = of_iomap(np, 1); if (!clk_base) { pr_err("%s: Unable to map clk base\n", __func__); return; } rstc = kzalloc(sizeof(*rstc), GFP_KERNEL); if (!rstc) return; /* Reset Controller */ rstc->base = clk_base; rstc->reset.ops = &meson8b_clk_reset_ops; rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits); rstc->reset.of_node = np; ret = reset_controller_register(&rstc->reset); if (ret) { pr_err("%s: Failed to register clkc reset controller: %d\n", __func__, ret); return; } } CLK_OF_DECLARE_DRIVER(meson8_clkc, "amlogic,meson8-clkc", meson8b_clkc_reset_init); CLK_OF_DECLARE_DRIVER(meson8b_clkc, "amlogic,meson8b-clkc", meson8b_clkc_reset_init); CLK_OF_DECLARE_DRIVER(meson8m2_clkc, "amlogic,meson8m2-clkc", meson8b_clkc_reset_init);