// SPDX-License-Identifier: GPL-2.0+ /* * AmLogic Meson-AXG Clock Controller Driver * * Copyright (c) 2016 Baylibre SAS. * Author: Michael Turquette * * Copyright (c) 2017 Amlogic, inc. * Author: Qiufang Dai */ #include #include #include #include #include #include #include #include "clkc.h" #include "axg.h" static DEFINE_SPINLOCK(meson_clk_lock); static struct clk_regmap axg_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 axg_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, }, }, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static const struct pll_rate_table axg_gp0_pll_rate_table[] = { PLL_RATE(240000000, 40, 1, 2), PLL_RATE(246000000, 41, 1, 2), PLL_RATE(252000000, 42, 1, 2), PLL_RATE(258000000, 43, 1, 2), PLL_RATE(264000000, 44, 1, 2), PLL_RATE(270000000, 45, 1, 2), PLL_RATE(276000000, 46, 1, 2), PLL_RATE(282000000, 47, 1, 2), PLL_RATE(288000000, 48, 1, 2), PLL_RATE(294000000, 49, 1, 2), PLL_RATE(300000000, 50, 1, 2), PLL_RATE(306000000, 51, 1, 2), PLL_RATE(312000000, 52, 1, 2), PLL_RATE(318000000, 53, 1, 2), PLL_RATE(324000000, 54, 1, 2), PLL_RATE(330000000, 55, 1, 2), PLL_RATE(336000000, 56, 1, 2), PLL_RATE(342000000, 57, 1, 2), PLL_RATE(348000000, 58, 1, 2), PLL_RATE(354000000, 59, 1, 2), PLL_RATE(360000000, 60, 1, 2), PLL_RATE(366000000, 61, 1, 2), PLL_RATE(372000000, 62, 1, 2), PLL_RATE(378000000, 63, 1, 2), PLL_RATE(384000000, 64, 1, 2), PLL_RATE(390000000, 65, 1, 3), PLL_RATE(396000000, 66, 1, 3), PLL_RATE(402000000, 67, 1, 3), PLL_RATE(408000000, 68, 1, 3), PLL_RATE(480000000, 40, 1, 1), PLL_RATE(492000000, 41, 1, 1), PLL_RATE(504000000, 42, 1, 1), PLL_RATE(516000000, 43, 1, 1), PLL_RATE(528000000, 44, 1, 1), PLL_RATE(540000000, 45, 1, 1), PLL_RATE(552000000, 46, 1, 1), PLL_RATE(564000000, 47, 1, 1), PLL_RATE(576000000, 48, 1, 1), PLL_RATE(588000000, 49, 1, 1), PLL_RATE(600000000, 50, 1, 1), PLL_RATE(612000000, 51, 1, 1), PLL_RATE(624000000, 52, 1, 1), PLL_RATE(636000000, 53, 1, 1), PLL_RATE(648000000, 54, 1, 1), PLL_RATE(660000000, 55, 1, 1), PLL_RATE(672000000, 56, 1, 1), PLL_RATE(684000000, 57, 1, 1), PLL_RATE(696000000, 58, 1, 1), PLL_RATE(708000000, 59, 1, 1), PLL_RATE(720000000, 60, 1, 1), PLL_RATE(732000000, 61, 1, 1), PLL_RATE(744000000, 62, 1, 1), PLL_RATE(756000000, 63, 1, 1), PLL_RATE(768000000, 64, 1, 1), PLL_RATE(780000000, 65, 1, 1), PLL_RATE(792000000, 66, 1, 1), PLL_RATE(804000000, 67, 1, 1), PLL_RATE(816000000, 68, 1, 1), PLL_RATE(960000000, 40, 1, 0), PLL_RATE(984000000, 41, 1, 0), PLL_RATE(1008000000, 42, 1, 0), PLL_RATE(1032000000, 43, 1, 0), PLL_RATE(1056000000, 44, 1, 0), PLL_RATE(1080000000, 45, 1, 0), PLL_RATE(1104000000, 46, 1, 0), PLL_RATE(1128000000, 47, 1, 0), PLL_RATE(1152000000, 48, 1, 0), PLL_RATE(1176000000, 49, 1, 0), 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), PLL_RATE(1560000000, 65, 1, 0), PLL_RATE(1584000000, 66, 1, 0), PLL_RATE(1608000000, 67, 1, 0), PLL_RATE(1632000000, 68, 1, 0), { /* sentinel */ }, }; static const struct reg_sequence axg_gp0_init_regs[] = { { .reg = HHI_GP0_PLL_CNTL1, .def = 0xc084b000 }, { .reg = HHI_GP0_PLL_CNTL2, .def = 0xb75020be }, { .reg = HHI_GP0_PLL_CNTL3, .def = 0x0a59a288 }, { .reg = HHI_GP0_PLL_CNTL4, .def = 0xc000004d }, { .reg = HHI_GP0_PLL_CNTL5, .def = 0x00078000 }, { .reg = HHI_GP0_PLL_CNTL, .def = 0x40010250 }, }; static struct clk_regmap axg_gp0_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_GP0_PLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_GP0_PLL_CNTL, .shift = 9, .width = 5, }, .od = { .reg_off = HHI_GP0_PLL_CNTL, .shift = 16, .width = 2, }, .frac = { .reg_off = HHI_GP0_PLL_CNTL1, .shift = 0, .width = 10, }, .l = { .reg_off = HHI_GP0_PLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_GP0_PLL_CNTL, .shift = 29, .width = 1, }, .table = axg_gp0_pll_rate_table, .init_regs = axg_gp0_init_regs, .init_count = ARRAY_SIZE(axg_gp0_init_regs), }, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static const struct reg_sequence axg_hifi_init_regs[] = { { .reg = HHI_HIFI_PLL_CNTL1, .def = 0xc084b000 }, { .reg = HHI_HIFI_PLL_CNTL2, .def = 0xb75020be }, { .reg = HHI_HIFI_PLL_CNTL3, .def = 0x0a6a3a88 }, { .reg = HHI_HIFI_PLL_CNTL4, .def = 0xc000004d }, { .reg = HHI_HIFI_PLL_CNTL5, .def = 0x00058000 }, { .reg = HHI_HIFI_PLL_CNTL, .def = 0x40010250 }, }; static struct clk_regmap axg_hifi_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_HIFI_PLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_HIFI_PLL_CNTL, .shift = 9, .width = 5, }, .od = { .reg_off = HHI_HIFI_PLL_CNTL, .shift = 16, .width = 2, }, .frac = { .reg_off = HHI_HIFI_PLL_CNTL5, .shift = 0, .width = 13, }, .l = { .reg_off = HHI_HIFI_PLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_HIFI_PLL_CNTL, .shift = 29, .width = 1, }, .table = axg_gp0_pll_rate_table, .init_regs = axg_hifi_init_regs, .init_count = ARRAY_SIZE(axg_hifi_init_regs), .flags = CLK_MESON_PLL_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "hifi_pll", .ops = &meson_clk_pll_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static struct clk_fixed_factor axg_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 axg_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, .flags = CLK_IS_CRITICAL, }, }; static struct clk_fixed_factor axg_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 axg_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, /* * FIXME: * This clock, as fdiv2, is used by the SCPI FW and is required * by the platform to operate correctly. * Until the following condition are met, we need this clock to * be marked as critical: * a) The SCPI generic driver claims and enable all the clocks * it needs * b) CCF has a clock hand-off mechanism to make the sure the * clock stays on until the proper driver comes along */ .flags = CLK_IS_CRITICAL, }, }; static struct clk_fixed_factor axg_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 axg_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 axg_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 axg_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 axg_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 axg_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 axg_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 axg_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, }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 0, .width = 1, }, .lock = &meson_clk_lock, .flags = CLK_MESON_MPLL_ROUND_CLOSEST, }, .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 axg_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 axg_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, }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 1, .width = 1, }, .lock = &meson_clk_lock, .flags = CLK_MESON_MPLL_ROUND_CLOSEST, }, .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 axg_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 axg_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, }, .ssen = { .reg_off = HHI_MPLL_CNTL, .shift = 25, .width = 1, }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 2, .width = 1, }, .lock = &meson_clk_lock, .flags = CLK_MESON_MPLL_ROUND_CLOSEST, }, .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 axg_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 struct clk_regmap axg_mpll3_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL3_CNTL0, .shift = 12, .width = 14, }, .sdm_en = { .reg_off = HHI_MPLL3_CNTL0, .shift = 11, .width = 1, }, .n2 = { .reg_off = HHI_MPLL3_CNTL0, .shift = 2, .width = 9, }, .misc = { .reg_off = HHI_PLL_TOP_MISC, .shift = 3, .width = 1, }, .lock = &meson_clk_lock, .flags = CLK_MESON_MPLL_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ .name = "mpll3_div", .ops = &meson_clk_mpll_ops, .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; static struct clk_regmap axg_mpll3 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_MPLL3_CNTL0, .bit_idx = 0, }, .hw.init = &(struct clk_init_data){ .name = "mpll3", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpll3_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static const struct pll_rate_table axg_pcie_pll_rate_table[] = { { .rate = 100000000, .m = 200, .n = 3, .od = 1, .od2 = 3, }, { /* sentinel */ }, }; static const struct reg_sequence axg_pcie_init_regs[] = { { .reg = HHI_PCIE_PLL_CNTL, .def = 0x400106c8 }, { .reg = HHI_PCIE_PLL_CNTL1, .def = 0x0084a2aa }, { .reg = HHI_PCIE_PLL_CNTL2, .def = 0xb75020be }, { .reg = HHI_PCIE_PLL_CNTL3, .def = 0x0a47488e }, { .reg = HHI_PCIE_PLL_CNTL4, .def = 0xc000004d }, { .reg = HHI_PCIE_PLL_CNTL5, .def = 0x00078000 }, { .reg = HHI_PCIE_PLL_CNTL6, .def = 0x002323c6 }, }; static struct clk_regmap axg_pcie_pll = { .data = &(struct meson_clk_pll_data){ .m = { .reg_off = HHI_PCIE_PLL_CNTL, .shift = 0, .width = 9, }, .n = { .reg_off = HHI_PCIE_PLL_CNTL, .shift = 9, .width = 5, }, .od = { .reg_off = HHI_PCIE_PLL_CNTL, .shift = 16, .width = 2, }, .od2 = { .reg_off = HHI_PCIE_PLL_CNTL6, .shift = 6, .width = 2, }, .frac = { .reg_off = HHI_PCIE_PLL_CNTL1, .shift = 0, .width = 12, }, .l = { .reg_off = HHI_PCIE_PLL_CNTL, .shift = 31, .width = 1, }, .rst = { .reg_off = HHI_PCIE_PLL_CNTL, .shift = 29, .width = 1, }, .table = axg_pcie_pll_rate_table, .init_regs = axg_pcie_init_regs, .init_count = ARRAY_SIZE(axg_pcie_init_regs), }, .hw.init = &(struct clk_init_data){ .name = "pcie_pll", .ops = &meson_clk_pll_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, }, }; static struct clk_regmap axg_pcie_mux = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_PCIE_PLL_CNTL6, .mask = 0x1, .shift = 2, /* skip the parent mpll3, reserved for debug */ .table = (u32[]){ 1 }, }, .hw.init = &(struct clk_init_data){ .name = "pcie_mux", .ops = &clk_regmap_mux_ops, .parent_names = (const char *[]){ "pcie_pll" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_pcie_ref = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_PCIE_PLL_CNTL6, .mask = 0x1, .shift = 1, /* skip the parent 0, reserved for debug */ .table = (u32[]){ 1 }, }, .hw.init = &(struct clk_init_data){ .name = "pcie_ref", .ops = &clk_regmap_mux_ops, .parent_names = (const char *[]){ "pcie_mux" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_pcie_cml_en0 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_PCIE_PLL_CNTL6, .bit_idx = 4, }, .hw.init = &(struct clk_init_data) { .name = "pcie_cml_en0", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "pcie_ref" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_pcie_cml_en1 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_PCIE_PLL_CNTL6, .bit_idx = 3, }, .hw.init = &(struct clk_init_data) { .name = "pcie_cml_en1", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "pcie_ref" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; static const char * const clk81_parent_names[] = { "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4", "fclk_div3", "fclk_div5" }; static struct clk_regmap axg_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, .parent_names = clk81_parent_names, .num_parents = ARRAY_SIZE(clk81_parent_names), }, }; static struct clk_regmap axg_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_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_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_SET_RATE_PARENT | CLK_IS_CRITICAL), }, }; static const char * const axg_sd_emmc_clk0_parent_names[] = { "xtal", "fclk_div2", "fclk_div3", "fclk_div5", "fclk_div7", /* * Following these parent clocks, we should also have had mpll2, mpll3 * and gp0_pll but these clocks are too precious to be used here. All * the necessary rates for MMC and NAND operation can be acheived using * xtal or fclk_div clocks */ }; /* SDcard clock */ static struct clk_regmap axg_sd_emmc_b_clk0_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_SD_EMMC_CLK_CNTL, .mask = 0x7, .shift = 25, }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_sel", .ops = &clk_regmap_mux_ops, .parent_names = axg_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_sd_emmc_b_clk0_div = { .data = &(struct clk_regmap_div_data){ .offset = HHI_SD_EMMC_CLK_CNTL, .shift = 16, .width = 7, .flags = CLK_DIVIDER_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_div", .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_sd_emmc_b_clk0 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_SD_EMMC_CLK_CNTL, .bit_idx = 23, }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_b_clk0", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; /* EMMC/NAND clock */ static struct clk_regmap axg_sd_emmc_c_clk0_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_NAND_CLK_CNTL, .mask = 0x7, .shift = 9, }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_sel", .ops = &clk_regmap_mux_ops, .parent_names = axg_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_sd_emmc_c_clk0_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 = "sd_emmc_c_clk0_div", .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_sd_emmc_c_clk0 = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_NAND_CLK_CNTL, .bit_idx = 7, }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_c_clk0", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static u32 mux_table_gen_clk[] = { 0, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, }; static const char * const gen_clk_parent_names[] = { "xtal", "hifi_pll", "mpll0", "mpll1", "mpll2", "mpll3", "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7", "gp0_pll", }; static struct clk_regmap axg_gen_clk_sel = { .data = &(struct clk_regmap_mux_data){ .offset = HHI_GEN_CLK_CNTL, .mask = 0xf, .shift = 12, .table = mux_table_gen_clk, }, .hw.init = &(struct clk_init_data){ .name = "gen_clk_sel", .ops = &clk_regmap_mux_ops, /* * bits 15:12 selects from 14 possible parents: * xtal, [rtc_oscin_i], [sys_cpu_div16], [ddr_dpll_pt], * hifi_pll, mpll0, mpll1, mpll2, mpll3, fdiv4, * fdiv3, fdiv5, [cts_msr_clk], fdiv7, gp0_pll */ .parent_names = gen_clk_parent_names, .num_parents = ARRAY_SIZE(gen_clk_parent_names), }, }; static struct clk_regmap axg_gen_clk_div = { .data = &(struct clk_regmap_div_data){ .offset = HHI_GEN_CLK_CNTL, .shift = 0, .width = 11, }, .hw.init = &(struct clk_init_data){ .name = "gen_clk_div", .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "gen_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; static struct clk_regmap axg_gen_clk = { .data = &(struct clk_regmap_gate_data){ .offset = HHI_GEN_CLK_CNTL, .bit_idx = 7, }, .hw.init = &(struct clk_init_data){ .name = "gen_clk", .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "gen_clk_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; /* Everything Else (EE) domain gates */ static MESON_GATE(axg_ddr, HHI_GCLK_MPEG0, 0); static MESON_GATE(axg_audio_locker, HHI_GCLK_MPEG0, 2); static MESON_GATE(axg_mipi_dsi_host, HHI_GCLK_MPEG0, 3); static MESON_GATE(axg_isa, HHI_GCLK_MPEG0, 5); static MESON_GATE(axg_pl301, HHI_GCLK_MPEG0, 6); static MESON_GATE(axg_periphs, HHI_GCLK_MPEG0, 7); static MESON_GATE(axg_spicc_0, HHI_GCLK_MPEG0, 8); static MESON_GATE(axg_i2c, HHI_GCLK_MPEG0, 9); static MESON_GATE(axg_rng0, HHI_GCLK_MPEG0, 12); static MESON_GATE(axg_uart0, HHI_GCLK_MPEG0, 13); static MESON_GATE(axg_mipi_dsi_phy, HHI_GCLK_MPEG0, 14); static MESON_GATE(axg_spicc_1, HHI_GCLK_MPEG0, 15); static MESON_GATE(axg_pcie_a, HHI_GCLK_MPEG0, 16); static MESON_GATE(axg_pcie_b, HHI_GCLK_MPEG0, 17); static MESON_GATE(axg_hiu_reg, HHI_GCLK_MPEG0, 19); static MESON_GATE(axg_assist_misc, HHI_GCLK_MPEG0, 23); static MESON_GATE(axg_emmc_b, HHI_GCLK_MPEG0, 25); static MESON_GATE(axg_emmc_c, HHI_GCLK_MPEG0, 26); static MESON_GATE(axg_dma, HHI_GCLK_MPEG0, 27); static MESON_GATE(axg_spi, HHI_GCLK_MPEG0, 30); static MESON_GATE(axg_audio, HHI_GCLK_MPEG1, 0); static MESON_GATE(axg_eth_core, HHI_GCLK_MPEG1, 3); static MESON_GATE(axg_uart1, HHI_GCLK_MPEG1, 16); static MESON_GATE(axg_g2d, HHI_GCLK_MPEG1, 20); static MESON_GATE(axg_usb0, HHI_GCLK_MPEG1, 21); static MESON_GATE(axg_usb1, HHI_GCLK_MPEG1, 22); static MESON_GATE(axg_reset, HHI_GCLK_MPEG1, 23); static MESON_GATE(axg_usb_general, HHI_GCLK_MPEG1, 26); static MESON_GATE(axg_ahb_arb0, HHI_GCLK_MPEG1, 29); static MESON_GATE(axg_efuse, HHI_GCLK_MPEG1, 30); static MESON_GATE(axg_boot_rom, HHI_GCLK_MPEG1, 31); static MESON_GATE(axg_ahb_data_bus, HHI_GCLK_MPEG2, 1); static MESON_GATE(axg_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2); static MESON_GATE(axg_usb1_to_ddr, HHI_GCLK_MPEG2, 8); static MESON_GATE(axg_usb0_to_ddr, HHI_GCLK_MPEG2, 9); static MESON_GATE(axg_mmc_pclk, HHI_GCLK_MPEG2, 11); static MESON_GATE(axg_vpu_intr, HHI_GCLK_MPEG2, 25); static MESON_GATE(axg_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); static MESON_GATE(axg_gic, HHI_GCLK_MPEG2, 30); static MESON_GATE(axg_mipi_enable, HHI_MIPI_CNTL0, 29); /* Always On (AO) domain gates */ static MESON_GATE(axg_ao_media_cpu, HHI_GCLK_AO, 0); static MESON_GATE(axg_ao_ahb_sram, HHI_GCLK_AO, 1); static MESON_GATE(axg_ao_ahb_bus, HHI_GCLK_AO, 2); static MESON_GATE(axg_ao_iface, HHI_GCLK_AO, 3); static MESON_GATE(axg_ao_i2c, HHI_GCLK_AO, 4); /* Array of all clocks provided by this provider */ static struct clk_hw_onecell_data axg_hw_onecell_data = { .hws = { [CLKID_SYS_PLL] = &axg_sys_pll.hw, [CLKID_FIXED_PLL] = &axg_fixed_pll.hw, [CLKID_FCLK_DIV2] = &axg_fclk_div2.hw, [CLKID_FCLK_DIV3] = &axg_fclk_div3.hw, [CLKID_FCLK_DIV4] = &axg_fclk_div4.hw, [CLKID_FCLK_DIV5] = &axg_fclk_div5.hw, [CLKID_FCLK_DIV7] = &axg_fclk_div7.hw, [CLKID_GP0_PLL] = &axg_gp0_pll.hw, [CLKID_MPEG_SEL] = &axg_mpeg_clk_sel.hw, [CLKID_MPEG_DIV] = &axg_mpeg_clk_div.hw, [CLKID_CLK81] = &axg_clk81.hw, [CLKID_MPLL0] = &axg_mpll0.hw, [CLKID_MPLL1] = &axg_mpll1.hw, [CLKID_MPLL2] = &axg_mpll2.hw, [CLKID_MPLL3] = &axg_mpll3.hw, [CLKID_DDR] = &axg_ddr.hw, [CLKID_AUDIO_LOCKER] = &axg_audio_locker.hw, [CLKID_MIPI_DSI_HOST] = &axg_mipi_dsi_host.hw, [CLKID_ISA] = &axg_isa.hw, [CLKID_PL301] = &axg_pl301.hw, [CLKID_PERIPHS] = &axg_periphs.hw, [CLKID_SPICC0] = &axg_spicc_0.hw, [CLKID_I2C] = &axg_i2c.hw, [CLKID_RNG0] = &axg_rng0.hw, [CLKID_UART0] = &axg_uart0.hw, [CLKID_MIPI_DSI_PHY] = &axg_mipi_dsi_phy.hw, [CLKID_SPICC1] = &axg_spicc_1.hw, [CLKID_PCIE_A] = &axg_pcie_a.hw, [CLKID_PCIE_B] = &axg_pcie_b.hw, [CLKID_HIU_IFACE] = &axg_hiu_reg.hw, [CLKID_ASSIST_MISC] = &axg_assist_misc.hw, [CLKID_SD_EMMC_B] = &axg_emmc_b.hw, [CLKID_SD_EMMC_C] = &axg_emmc_c.hw, [CLKID_DMA] = &axg_dma.hw, [CLKID_SPI] = &axg_spi.hw, [CLKID_AUDIO] = &axg_audio.hw, [CLKID_ETH] = &axg_eth_core.hw, [CLKID_UART1] = &axg_uart1.hw, [CLKID_G2D] = &axg_g2d.hw, [CLKID_USB0] = &axg_usb0.hw, [CLKID_USB1] = &axg_usb1.hw, [CLKID_RESET] = &axg_reset.hw, [CLKID_USB] = &axg_usb_general.hw, [CLKID_AHB_ARB0] = &axg_ahb_arb0.hw, [CLKID_EFUSE] = &axg_efuse.hw, [CLKID_BOOT_ROM] = &axg_boot_rom.hw, [CLKID_AHB_DATA_BUS] = &axg_ahb_data_bus.hw, [CLKID_AHB_CTRL_BUS] = &axg_ahb_ctrl_bus.hw, [CLKID_USB1_DDR_BRIDGE] = &axg_usb1_to_ddr.hw, [CLKID_USB0_DDR_BRIDGE] = &axg_usb0_to_ddr.hw, [CLKID_MMC_PCLK] = &axg_mmc_pclk.hw, [CLKID_VPU_INTR] = &axg_vpu_intr.hw, [CLKID_SEC_AHB_AHB3_BRIDGE] = &axg_sec_ahb_ahb3_bridge.hw, [CLKID_GIC] = &axg_gic.hw, [CLKID_AO_MEDIA_CPU] = &axg_ao_media_cpu.hw, [CLKID_AO_AHB_SRAM] = &axg_ao_ahb_sram.hw, [CLKID_AO_AHB_BUS] = &axg_ao_ahb_bus.hw, [CLKID_AO_IFACE] = &axg_ao_iface.hw, [CLKID_AO_I2C] = &axg_ao_i2c.hw, [CLKID_SD_EMMC_B_CLK0_SEL] = &axg_sd_emmc_b_clk0_sel.hw, [CLKID_SD_EMMC_B_CLK0_DIV] = &axg_sd_emmc_b_clk0_div.hw, [CLKID_SD_EMMC_B_CLK0] = &axg_sd_emmc_b_clk0.hw, [CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw, [CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw, [CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw, [CLKID_MPLL0_DIV] = &axg_mpll0_div.hw, [CLKID_MPLL1_DIV] = &axg_mpll1_div.hw, [CLKID_MPLL2_DIV] = &axg_mpll2_div.hw, [CLKID_MPLL3_DIV] = &axg_mpll3_div.hw, [CLKID_HIFI_PLL] = &axg_hifi_pll.hw, [CLKID_MPLL_PREDIV] = &axg_mpll_prediv.hw, [CLKID_FCLK_DIV2_DIV] = &axg_fclk_div2_div.hw, [CLKID_FCLK_DIV3_DIV] = &axg_fclk_div3_div.hw, [CLKID_FCLK_DIV4_DIV] = &axg_fclk_div4_div.hw, [CLKID_FCLK_DIV5_DIV] = &axg_fclk_div5_div.hw, [CLKID_FCLK_DIV7_DIV] = &axg_fclk_div7_div.hw, [CLKID_PCIE_PLL] = &axg_pcie_pll.hw, [CLKID_PCIE_MUX] = &axg_pcie_mux.hw, [CLKID_PCIE_REF] = &axg_pcie_ref.hw, [CLKID_PCIE_CML_EN0] = &axg_pcie_cml_en0.hw, [CLKID_PCIE_CML_EN1] = &axg_pcie_cml_en1.hw, [CLKID_MIPI_ENABLE] = &axg_mipi_enable.hw, [CLKID_GEN_CLK_SEL] = &axg_gen_clk_sel.hw, [CLKID_GEN_CLK_DIV] = &axg_gen_clk_div.hw, [CLKID_GEN_CLK] = &axg_gen_clk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, }; /* Convenience table to populate regmap in .probe */ static struct clk_regmap *const axg_clk_regmaps[] = { &axg_clk81, &axg_ddr, &axg_audio_locker, &axg_mipi_dsi_host, &axg_isa, &axg_pl301, &axg_periphs, &axg_spicc_0, &axg_i2c, &axg_rng0, &axg_uart0, &axg_mipi_dsi_phy, &axg_spicc_1, &axg_pcie_a, &axg_pcie_b, &axg_hiu_reg, &axg_assist_misc, &axg_emmc_b, &axg_emmc_c, &axg_dma, &axg_spi, &axg_audio, &axg_eth_core, &axg_uart1, &axg_g2d, &axg_usb0, &axg_usb1, &axg_reset, &axg_usb_general, &axg_ahb_arb0, &axg_efuse, &axg_boot_rom, &axg_ahb_data_bus, &axg_ahb_ctrl_bus, &axg_usb1_to_ddr, &axg_usb0_to_ddr, &axg_mmc_pclk, &axg_vpu_intr, &axg_sec_ahb_ahb3_bridge, &axg_gic, &axg_ao_media_cpu, &axg_ao_ahb_sram, &axg_ao_ahb_bus, &axg_ao_iface, &axg_ao_i2c, &axg_sd_emmc_b_clk0, &axg_sd_emmc_c_clk0, &axg_mpeg_clk_div, &axg_sd_emmc_b_clk0_div, &axg_sd_emmc_c_clk0_div, &axg_mpeg_clk_sel, &axg_sd_emmc_b_clk0_sel, &axg_sd_emmc_c_clk0_sel, &axg_mpll0, &axg_mpll1, &axg_mpll2, &axg_mpll3, &axg_mpll0_div, &axg_mpll1_div, &axg_mpll2_div, &axg_mpll3_div, &axg_fixed_pll, &axg_sys_pll, &axg_gp0_pll, &axg_hifi_pll, &axg_mpll_prediv, &axg_fclk_div2, &axg_fclk_div3, &axg_fclk_div4, &axg_fclk_div5, &axg_fclk_div7, &axg_pcie_pll, &axg_pcie_mux, &axg_pcie_ref, &axg_pcie_cml_en0, &axg_pcie_cml_en1, &axg_mipi_enable, &axg_gen_clk_sel, &axg_gen_clk_div, &axg_gen_clk, }; static const struct of_device_id clkc_match_table[] = { { .compatible = "amlogic,axg-clkc" }, {} }; static int axg_clkc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct regmap *map; int ret, i; /* Get the hhi system controller node if available */ map = syscon_node_to_regmap(of_get_parent(dev->of_node)); if (IS_ERR(map)) { dev_err(dev, "failed to get HHI regmap\n"); return PTR_ERR(map); } /* Populate regmap for the regmap backed clocks */ for (i = 0; i < ARRAY_SIZE(axg_clk_regmaps); i++) axg_clk_regmaps[i]->map = map; for (i = 0; i < axg_hw_onecell_data.num; i++) { /* array might be sparse */ if (!axg_hw_onecell_data.hws[i]) continue; ret = devm_clk_hw_register(dev, axg_hw_onecell_data.hws[i]); if (ret) { dev_err(dev, "Clock registration failed\n"); return ret; } } return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, &axg_hw_onecell_data); } static struct platform_driver axg_driver = { .probe = axg_clkc_probe, .driver = { .name = "axg-clkc", .of_match_table = clkc_match_table, }, }; builtin_platform_driver(axg_driver);