diff options
Diffstat (limited to 'drivers/clk/meson/axg.c')
| -rw-r--r-- | drivers/clk/meson/axg.c | 955 |
1 files changed, 542 insertions, 413 deletions
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c index 1294f3ad7cd5..5f5d468c1efe 100644 --- a/drivers/clk/meson/axg.c +++ b/drivers/clk/meson/axg.c @@ -11,125 +11,51 @@ #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/init.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/mfd/syscon.h> #include <linux/platform_device.h> -#include <linux/init.h> +#include <linux/regmap.h> #include "clkc.h" #include "axg.h" static DEFINE_SPINLOCK(meson_clk_lock); -static const struct pll_rate_table sys_pll_rate_table[] = { - PLL_RATE(24000000, 56, 1, 2), - PLL_RATE(48000000, 64, 1, 2), - PLL_RATE(72000000, 72, 1, 2), - PLL_RATE(96000000, 64, 1, 2), - PLL_RATE(120000000, 80, 1, 2), - PLL_RATE(144000000, 96, 1, 2), - PLL_RATE(168000000, 56, 1, 1), - PLL_RATE(192000000, 64, 1, 1), - PLL_RATE(216000000, 72, 1, 1), - PLL_RATE(240000000, 80, 1, 1), - PLL_RATE(264000000, 88, 1, 1), - PLL_RATE(288000000, 96, 1, 1), - 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), - PLL_RATE(1560000000, 65, 1, 0), - PLL_RATE(1584000000, 66, 1, 0), - PLL_RATE(1608000000, 67, 1, 0), - PLL_RATE(1632000000, 68, 1, 0), - PLL_RATE(1656000000, 68, 1, 0), - PLL_RATE(1680000000, 68, 1, 0), - PLL_RATE(1704000000, 68, 1, 0), - PLL_RATE(1728000000, 69, 1, 0), - PLL_RATE(1752000000, 69, 1, 0), - PLL_RATE(1776000000, 69, 1, 0), - PLL_RATE(1800000000, 69, 1, 0), - PLL_RATE(1824000000, 70, 1, 0), - PLL_RATE(1848000000, 70, 1, 0), - PLL_RATE(1872000000, 70, 1, 0), - PLL_RATE(1896000000, 70, 1, 0), - PLL_RATE(1920000000, 71, 1, 0), - PLL_RATE(1944000000, 71, 1, 0), - PLL_RATE(1968000000, 71, 1, 0), - PLL_RATE(1992000000, 71, 1, 0), - PLL_RATE(2016000000, 72, 1, 0), - PLL_RATE(2040000000, 72, 1, 0), - PLL_RATE(2064000000, 72, 1, 0), - PLL_RATE(2088000000, 72, 1, 0), - PLL_RATE(2112000000, 73, 1, 0), - { /* sentinel */ }, -}; - -static struct meson_clk_pll axg_fixed_pll = { - .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, +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, + }, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -138,25 +64,34 @@ static struct meson_clk_pll axg_fixed_pll = { }, }; -static struct meson_clk_pll axg_sys_pll = { - .m = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 0, - .width = 9, +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, + }, }, - .n = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 10, - .width = 2, - }, - .rate_table = sys_pll_rate_table, - .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, @@ -257,40 +192,51 @@ static const struct pll_rate_table axg_gp0_pll_rate_table[] = { { /* sentinel */ }, }; -static struct pll_params_table axg_gp0_params_table[] = { - PLL_PARAM(HHI_GP0_PLL_CNTL, 0x40010250), - PLL_PARAM(HHI_GP0_PLL_CNTL1, 0xc084a000), - PLL_PARAM(HHI_GP0_PLL_CNTL2, 0xb75020be), - PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a59a288), - PLL_PARAM(HHI_GP0_PLL_CNTL4, 0xc000004d), - PLL_PARAM(HHI_GP0_PLL_CNTL5, 0x00078000), -}; - -static struct meson_clk_pll axg_gp0_pll = { - .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, - }, - .params = { - .params_table = axg_gp0_params_table, - .params_count = ARRAY_SIZE(axg_gp0_params_table), - .no_init_reset = true, - .reset_lock_loop = true, - }, - .rate_table = axg_gp0_pll_rate_table, - .rate_count = ARRAY_SIZE(axg_gp0_pll_rate_table), - .lock = &meson_clk_lock, +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, @@ -299,234 +245,427 @@ static struct meson_clk_pll axg_gp0_pll = { }, }; +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 = { +static struct clk_fixed_factor axg_fclk_div2_div = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ - .name = "fclk_div2", + .name = "fclk_div2_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div3 = { +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, + }, +}; + +static struct clk_fixed_factor axg_fclk_div3_div = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ - .name = "fclk_div3", + .name = "fclk_div3_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div4 = { +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, + }, +}; + +static struct clk_fixed_factor axg_fclk_div4_div = { .mult = 1, .div = 4, .hw.init = &(struct clk_init_data){ - .name = "fclk_div4", + .name = "fclk_div4_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div5 = { +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", + .name = "fclk_div5_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div7 = { +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", + .name = "fclk_div7_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll0 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 0, - .width = 14, +static struct clk_regmap axg_fclk_div7 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 31, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 15, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div7", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div7_div" }, + .num_parents = 1, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 16, - .width = 9, +}; + +static struct clk_regmap axg_mpll_prediv = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPLL_CNTL5, + .shift = 12, + .width = 1, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .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, }, - .ssen = { - .reg_off = HHI_MPLL_CNTL, - .shift = 25, - .width = 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, + }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 0, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll1 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 0, - .width = 14, +static struct clk_regmap axg_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 15, - .width = 1, - }, - .n2 = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 16, - .width = 9, + .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, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, +}; + +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, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll2 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 0, - .width = 14, +static struct clk_regmap axg_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 15, - .width = 1, - }, - .n2 = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 16, - .width = 9, + .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, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, +}; + +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, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 2, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll3 = { - .sdm = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 12, - .width = 14, +static struct clk_regmap axg_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 11, - .width = 1, + .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, }, - .n2 = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 2, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll3_div", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "mpll_prediv" }, + .num_parents = 1, }, - .en = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 0, - .width = 1, +}; + +static struct clk_regmap axg_mpll3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL3_CNTL0, + .bit_idx = 0, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll3", - .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll3_div" }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, }; -/* - * FIXME The legacy composite clocks (e.g. clk81) are both PLL post-dividers - * and should be modeled with their respective PLLs via the forthcoming - * coordinated clock rates feature - */ 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_mux axg_mpeg_clk_sel = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .mask = 0x7, - .shift = 12, - .flags = CLK_MUX_READ_ONLY, - .table = mux_table_clk81, - .lock = &meson_clk_lock, +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_mux_ro_ops, + .ops = &clk_regmap_mux_ro_ops, .parent_names = clk81_parent_names, .num_parents = ARRAY_SIZE(clk81_parent_names), }, }; -static struct clk_divider axg_mpeg_clk_div = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +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_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate axg_clk81 = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +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_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), @@ -545,42 +684,45 @@ static const char * const axg_sd_emmc_clk0_parent_names[] = { }; /* SDcard clock */ -static struct clk_mux axg_sd_emmc_b_clk0_sel = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .mask = 0x7, - .shift = 25, - .lock = &meson_clk_lock, +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_mux_ops, + .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_divider axg_sd_emmc_b_clk0_div = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +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_divider_ops, + .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_gate axg_sd_emmc_b_clk0 = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .bit_idx = 23, - .lock = &meson_clk_lock, +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_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -588,42 +730,45 @@ static struct clk_gate axg_sd_emmc_b_clk0 = { }; /* EMMC/NAND clock */ -static struct clk_mux axg_sd_emmc_c_clk0_sel = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .mask = 0x7, - .shift = 9, - .lock = &meson_clk_lock, +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_mux_ops, + .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_divider axg_sd_emmc_c_clk0_div = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +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_divider_ops, + .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_gate axg_sd_emmc_c_clk0 = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +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_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -750,27 +895,24 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = { [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, [NR_CLKS] = NULL, }, .num = NR_CLKS, }; -/* Convenience tables to populate base addresses in .probe */ - -static struct meson_clk_pll *const axg_clk_plls[] = { - &axg_fixed_pll, - &axg_sys_pll, - &axg_gp0_pll, -}; - -static struct meson_clk_mpll *const axg_clk_mplls[] = { - &axg_mpll0, - &axg_mpll1, - &axg_mpll2, - &axg_mpll3, -}; - -static struct clk_gate *const axg_clk_gates[] = { +/* Convenience table to populate regmap in .probe */ +static struct clk_regmap *const axg_clk_regmaps[] = { &axg_clk81, &axg_ddr, &axg_audio_locker, @@ -818,113 +960,100 @@ static struct clk_gate *const axg_clk_gates[] = { &axg_ao_i2c, &axg_sd_emmc_b_clk0, &axg_sd_emmc_c_clk0, -}; - -static struct clk_mux *const axg_clk_muxes[] = { - &axg_mpeg_clk_sel, - &axg_sd_emmc_b_clk0_sel, - &axg_sd_emmc_c_clk0_sel, -}; - -static struct clk_divider *const axg_clk_dividers[] = { &axg_mpeg_clk_div, &axg_sd_emmc_b_clk0_div, &axg_sd_emmc_c_clk0_div, -}; - -struct clkc_data { - struct clk_gate *const *clk_gates; - unsigned int clk_gates_count; - struct meson_clk_mpll *const *clk_mplls; - unsigned int clk_mplls_count; - struct meson_clk_pll *const *clk_plls; - unsigned int clk_plls_count; - struct clk_mux *const *clk_muxes; - unsigned int clk_muxes_count; - struct clk_divider *const *clk_dividers; - unsigned int clk_dividers_count; - struct clk_hw_onecell_data *hw_onecell_data; -}; - -static const struct clkc_data axg_clkc_data = { - .clk_gates = axg_clk_gates, - .clk_gates_count = ARRAY_SIZE(axg_clk_gates), - .clk_mplls = axg_clk_mplls, - .clk_mplls_count = ARRAY_SIZE(axg_clk_mplls), - .clk_plls = axg_clk_plls, - .clk_plls_count = ARRAY_SIZE(axg_clk_plls), - .clk_muxes = axg_clk_muxes, - .clk_muxes_count = ARRAY_SIZE(axg_clk_muxes), - .clk_dividers = axg_clk_dividers, - .clk_dividers_count = ARRAY_SIZE(axg_clk_dividers), - .hw_onecell_data = &axg_hw_onecell_data, + &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, }; static const struct of_device_id clkc_match_table[] = { - { .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data }, + { .compatible = "amlogic,axg-clkc" }, {} }; +static const struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + static int axg_clkc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct clkc_data *clkc_data; struct resource *res; - void __iomem *clk_base; - int ret, clkid, i; - - clkc_data = of_device_get_match_data(&pdev->dev); - if (!clkc_data) - return -EINVAL; - - /* Generic clocks and PLLs */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - clk_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (!clk_base) { - dev_err(&pdev->dev, "Unable to map clk base\n"); - return -ENXIO; - } + void __iomem *clk_base = NULL; + struct regmap *map; + int ret, i; - /* Populate base address for PLLs */ - for (i = 0; i < clkc_data->clk_plls_count; i++) - clkc_data->clk_plls[i]->base = clk_base; + /* 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 - Trying obsolete regs\n"); - /* Populate base address for MPLLs */ - for (i = 0; i < clkc_data->clk_mplls_count; i++) - clkc_data->clk_mplls[i]->base = clk_base; + /* + * FIXME: HHI registers should be accessed through + * the appropriate system controller. This is required because + * there is more than just clocks in this register space + * + * This fallback method is only provided temporarily until + * all the platform DTs are properly using the syscon node + */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; - /* Populate base address for gates */ - for (i = 0; i < clkc_data->clk_gates_count; i++) - clkc_data->clk_gates[i]->reg = clk_base + - (u64)clkc_data->clk_gates[i]->reg; - /* Populate base address for muxes */ - for (i = 0; i < clkc_data->clk_muxes_count; i++) - clkc_data->clk_muxes[i]->reg = clk_base + - (u64)clkc_data->clk_muxes[i]->reg; + clk_base = devm_ioremap(dev, res->start, resource_size(res)); + if (!clk_base) { + dev_err(dev, "Unable to map clk base\n"); + return -ENXIO; + } + + map = devm_regmap_init_mmio(dev, clk_base, + &clkc_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); + } - /* Populate base address for dividers */ - for (i = 0; i < clkc_data->clk_dividers_count; i++) - clkc_data->clk_dividers[i]->reg = clk_base + - (u64)clkc_data->clk_dividers[i]->reg; + /* Populate regmap for the regmap backed clocks */ + for (i = 0; i < ARRAY_SIZE(axg_clk_regmaps); i++) + axg_clk_regmaps[i]->map = map; - for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) { + for (i = 0; i < axg_hw_onecell_data.num; i++) { /* array might be sparse */ - if (!clkc_data->hw_onecell_data->hws[clkid]) + if (!axg_hw_onecell_data.hws[i]) continue; - ret = devm_clk_hw_register(dev, - clkc_data->hw_onecell_data->hws[clkid]); + ret = devm_clk_hw_register(dev, axg_hw_onecell_data.hws[i]); if (ret) { - dev_err(&pdev->dev, "Clock registration failed\n"); + dev_err(dev, "Clock registration failed\n"); return ret; } } - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, - clkc_data->hw_onecell_data); + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + &axg_hw_onecell_data); } static struct platform_driver axg_driver = { |