From 4087bd4b21702dce65c3e5179308dead2e96e06d Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Tue, 24 Jan 2017 18:35:23 +0100 Subject: [PATCH] clk: meson: gxbb: add cts_amclk Add the i2s master clock also referred as cts_amclk Acked-by: Michael Turquette Signed-off-by: Jerome Brunet --- drivers/clk/meson/gxbb.c | 67 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/meson/gxbb.h | 5 ++- 2 files changed, 71 insertions(+), 1 deletion(-) diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 28812ea41a60..1c20edbfc812 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -845,6 +845,51 @@ static struct clk_mux gxbb_mali = { }, }; +static struct clk_mux gxbb_cts_amclk_sel = { + .reg = (void *) HHI_AUD_CLK_CNTL, + .mask = 0x3, + .shift = 9, + /* Default parent unknown (register reset value: 0) */ + .table = (u32[]){ 1, 2, 3 }, + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "cts_amclk_sel", + .ops = &clk_mux_ops, + .parent_names = (const char *[]){ "mpll0", "mpll1", "mpll2" }, + .num_parents = 3, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct meson_clk_audio_divider gxbb_cts_amclk_div = { + .div = { + .reg_off = HHI_AUD_CLK_CNTL, + .shift = 0, + .width = 8, + }, + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "cts_amclk_div", + .ops = &meson_clk_audio_divider_ops, + .parent_names = (const char *[]){ "cts_amclk_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT | CLK_DIVIDER_ROUND_CLOSEST, + }, +}; + +static struct clk_gate gxbb_cts_amclk = { + .reg = (void *) HHI_AUD_CLK_CNTL, + .bit_idx = 8, + .lock = &clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "cts_amclk", + .ops = &clk_gate_ops, + .parent_names = (const char *[]){ "cts_amclk_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); @@ -1045,6 +1090,9 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = { [CLKID_MALI_1_DIV] = &gxbb_mali_1_div.hw, [CLKID_MALI_1] = &gxbb_mali_1.hw, [CLKID_MALI] = &gxbb_mali.hw, + [CLKID_CTS_AMCLK] = &gxbb_cts_amclk.hw, + [CLKID_CTS_AMCLK_SEL] = &gxbb_cts_amclk_sel.hw, + [CLKID_CTS_AMCLK_DIV] = &gxbb_cts_amclk_div.hw, }, .num = NR_CLKS, }; @@ -1158,6 +1206,9 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_MALI_1_DIV] = &gxbb_mali_1_div.hw, [CLKID_MALI_1] = &gxbb_mali_1.hw, [CLKID_MALI] = &gxbb_mali.hw, + [CLKID_CTS_AMCLK] = &gxbb_cts_amclk.hw, + [CLKID_CTS_AMCLK_SEL] = &gxbb_cts_amclk_sel.hw, + [CLKID_CTS_AMCLK_DIV] = &gxbb_cts_amclk_div.hw, }, .num = NR_CLKS, }; @@ -1270,6 +1321,7 @@ static struct clk_gate *const gxbb_clk_gates[] = { &gxbb_sar_adc_clk, &gxbb_mali_0, &gxbb_mali_1, + &gxbb_cts_amclk, }; static struct clk_mux *const gxbb_clk_muxes[] = { @@ -1278,6 +1330,7 @@ static struct clk_mux *const gxbb_clk_muxes[] = { &gxbb_mali_0_sel, &gxbb_mali_1_sel, &gxbb_mali, + &gxbb_cts_amclk_sel, }; static struct clk_divider *const gxbb_clk_dividers[] = { @@ -1287,6 +1340,10 @@ static struct clk_divider *const gxbb_clk_dividers[] = { &gxbb_mali_1_div, }; +static struct meson_clk_audio_divider *const gxbb_audio_dividers[] = { + &gxbb_cts_amclk_div, +}; + struct clkc_data { struct clk_gate *const *clk_gates; unsigned int clk_gates_count; @@ -1298,6 +1355,8 @@ struct clkc_data { unsigned int clk_muxes_count; struct clk_divider *const *clk_dividers; unsigned int clk_dividers_count; + struct meson_clk_audio_divider *const *clk_audio_dividers; + unsigned int clk_audio_dividers_count; struct meson_clk_cpu *cpu_clk; struct clk_hw_onecell_data *hw_onecell_data; }; @@ -1313,6 +1372,8 @@ static const struct clkc_data gxbb_clkc_data = { .clk_muxes_count = ARRAY_SIZE(gxbb_clk_muxes), .clk_dividers = gxbb_clk_dividers, .clk_dividers_count = ARRAY_SIZE(gxbb_clk_dividers), + .clk_audio_dividers = gxbb_audio_dividers, + .clk_audio_dividers_count = ARRAY_SIZE(gxbb_audio_dividers), .cpu_clk = &gxbb_cpu_clk, .hw_onecell_data = &gxbb_hw_onecell_data, }; @@ -1328,6 +1389,8 @@ static const struct clkc_data gxl_clkc_data = { .clk_muxes_count = ARRAY_SIZE(gxbb_clk_muxes), .clk_dividers = gxbb_clk_dividers, .clk_dividers_count = ARRAY_SIZE(gxbb_clk_dividers), + .clk_audio_dividers = gxbb_audio_dividers, + .clk_audio_dividers_count = ARRAY_SIZE(gxbb_audio_dividers), .cpu_clk = &gxbb_cpu_clk, .hw_onecell_data = &gxl_hw_onecell_data, }; @@ -1384,6 +1447,10 @@ static int gxbb_clkc_probe(struct platform_device *pdev) clkc_data->clk_dividers[i]->reg = clk_base + (u64)clkc_data->clk_dividers[i]->reg; + /* Populate base address for the audio dividers */ + for (i = 0; i < clkc_data->clk_audio_dividers_count; i++) + clkc_data->clk_audio_dividers[i]->base = clk_base; + /* * register all clks */ diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h index 9d949244b104..b3cd11fd3aab 100644 --- a/drivers/clk/meson/gxbb.h +++ b/drivers/clk/meson/gxbb.h @@ -277,8 +277,11 @@ #define CLKID_MALI_1_DIV 104 /* CLKID_MALI_1 */ /* CLKID_MALI */ +#define CLKID_CTS_AMCLK 107 +#define CLKID_CTS_AMCLK_SEL 108 +#define CLKID_CTS_AMCLK_DIV 109 -#define NR_CLKS 107 +#define NR_CLKS 110 /* include the CLKIDs that have been made part of the stable DT binding */ #include -- 2.20.1