From 7df533a7e3d2216e860ecf147ae8cee49bf133e9 Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Wed, 4 Jul 2018 18:54:58 +0200 Subject: [PATCH] clk: meson: add gen_clk GEN_CLK is able to route several internal clocks to one of the SoC pads. In the future, even more clocks could be made accessible using cts_msr_clk - the clock measure block. Signed-off-by: Jerome Brunet --- drivers/clk/meson/axg.c | 64 +++++++++++++++++++++++++++++++++++++- drivers/clk/meson/axg.h | 4 ++- drivers/clk/meson/gxbb.c | 66 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/meson/gxbb.h | 4 ++- 4 files changed, 135 insertions(+), 3 deletions(-) diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c index 2d458092884a..00ce62ad6416 100644 --- a/drivers/clk/meson/axg.c +++ b/drivers/clk/meson/axg.c @@ -909,6 +909,63 @@ static struct clk_regmap axg_sd_emmc_c_clk0 = { }, }; +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); @@ -1047,7 +1104,9 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = { [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, @@ -1132,6 +1191,9 @@ static struct clk_regmap *const axg_clk_regmaps[] = { &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[] = { diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h index 6e55ebd6c77d..1d04144a1b2c 100644 --- a/drivers/clk/meson/axg.h +++ b/drivers/clk/meson/axg.h @@ -131,8 +131,10 @@ #define CLKID_PCIE_PLL 76 #define CLKID_PCIE_MUX 77 #define CLKID_PCIE_REF 78 +#define CLKID_GEN_CLK_SEL 82 +#define CLKID_GEN_CLK_DIV 83 -#define NR_CLKS 82 +#define NR_CLKS 85 /* include the CLKIDs that have been made part of the DT binding */ #include diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 894a6adaa17a..86d3ae58e84c 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -1624,6 +1624,63 @@ static struct clk_regmap gxbb_vdec_hevc = { }, }; +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", "vdec_1", "vdec_hevc", "mpll0", "mpll1", "mpll2", + "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7", "gp0_pll", +}; + +static struct clk_regmap gxbb_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], + * vid_pll, vid2_pll (hevc), mpll0, mpll1, mpll2, 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 gxbb_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 gxbb_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(gxbb_ddr, HHI_GCLK_MPEG0, 0); static MESON_GATE(gxbb_dos, HHI_GCLK_MPEG0, 1); @@ -1873,6 +1930,9 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = { [CLKID_VDEC_HEVC_SEL] = &gxbb_vdec_hevc_sel.hw, [CLKID_VDEC_HEVC_DIV] = &gxbb_vdec_hevc_div.hw, [CLKID_VDEC_HEVC] = &gxbb_vdec_hevc.hw, + [CLKID_GEN_CLK_SEL] = &gxbb_gen_clk_sel.hw, + [CLKID_GEN_CLK_DIV] = &gxbb_gen_clk_div.hw, + [CLKID_GEN_CLK] = &gxbb_gen_clk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -2035,6 +2095,9 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_VDEC_HEVC_SEL] = &gxbb_vdec_hevc_sel.hw, [CLKID_VDEC_HEVC_DIV] = &gxbb_vdec_hevc_div.hw, [CLKID_VDEC_HEVC] = &gxbb_vdec_hevc.hw, + [CLKID_GEN_CLK_SEL] = &gxbb_gen_clk_sel.hw, + [CLKID_GEN_CLK_DIV] = &gxbb_gen_clk_div.hw, + [CLKID_GEN_CLK] = &gxbb_gen_clk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -2199,6 +2262,9 @@ static struct clk_regmap *const gx_clk_regmaps[] = { &gxbb_vdec_hevc_sel, &gxbb_vdec_hevc_div, &gxbb_vdec_hevc, + &gxbb_gen_clk_sel, + &gxbb_gen_clk_div, + &gxbb_gen_clk, }; struct clkc_data { diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h index df6c21d368c6..20dfb1daf5b8 100644 --- a/drivers/clk/meson/gxbb.h +++ b/drivers/clk/meson/gxbb.h @@ -157,8 +157,10 @@ #define CLKID_VDEC_1_DIV 152 #define CLKID_VDEC_HEVC_SEL 154 #define CLKID_VDEC_HEVC_DIV 155 +#define CLKID_GEN_CLK_SEL 157 +#define CLKID_GEN_CLK_DIV 158 -#define NR_CLKS 157 +#define NR_CLKS 160 /* include the CLKIDs that have been made part of the DT binding */ #include -- 2.30.2