diff options
author | Peter De-Schrijver <pdeschrijver@nvidia.com> | 2018-07-12 14:53:02 +0300 |
---|---|---|
committer | Stephen Boyd <sboyd@kernel.org> | 2018-07-25 14:26:22 -0700 |
commit | c76a69e477b88f259bcc118129874011abcaae86 (patch) | |
tree | 4b4afa912eb95044ea1c799ac4d10c455c0512b4 /drivers/clk | |
parent | 633e79650b4f0ed8cd26076a376b5372c413b0f8 (diff) |
clk: tegra: make sdmmc2 and sdmmc4 as sdmmc clocks
These clocks have low jitter paths to certain parents. To model these
correctly, use the sdmmc mux divider clock type.
Signed-off-by: Peter De-Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/tegra/clk-id.h | 2 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra-periph.c | 11 | ||||
-rw-r--r-- | drivers/clk/tegra/clk-tegra210.c | 14 |
3 files changed, 12 insertions, 15 deletions
diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index b616e33c5255..de466b4446da 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -227,13 +227,11 @@ enum clk_id { tegra_clk_sdmmc1_9, tegra_clk_sdmmc2, tegra_clk_sdmmc2_8, - tegra_clk_sdmmc2_9, tegra_clk_sdmmc3, tegra_clk_sdmmc3_8, tegra_clk_sdmmc3_9, tegra_clk_sdmmc4, tegra_clk_sdmmc4_8, - tegra_clk_sdmmc4_9, tegra_clk_se, tegra_clk_soc_therm, tegra_clk_soc_therm_8, diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index 2acba2986bc6..38c4eb28c8bf 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -451,15 +451,6 @@ static u32 mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0_idx[] = { [0] = 0, [1] = 3, [2] = 4, [3] = 6, [4] = 7, }; -static const char *mux_pllp_clkm_pllc4_out2_out1_out0_lj[] = { - "pll_p", - "pll_c4_out2", "pll_c4_out0", /* LJ input */ - "pll_c4_out2", "pll_c4_out1", - "pll_c4_out1", /* LJ input */ - "clk_m", "pll_c4_out0" -}; -#define mux_pllp_clkm_pllc4_out2_out1_out0_lj_idx NULL - static const char *mux_pllp_pllc2_c_c3_clkm[] = { "pll_p", "pll_c2", "pll_c", "pll_c3", "clk_m" }; @@ -686,9 +677,7 @@ static struct tegra_periph_init_data periph_clks[] = { MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3), MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4), MUX8("sdmmc1", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1_9), - MUX8("sdmmc2", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC2, 9, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc2_9), MUX8("sdmmc3", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3_9), - MUX8("sdmmc4", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4_9), MUX("la", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_LA, 76, TEGRA_PERIPH_ON_APB, tegra_clk_la), MUX("trace", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_TRACE, 77, TEGRA_PERIPH_ON_APB, tegra_clk_trace), MUX("owr", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_OWR, 71, TEGRA_PERIPH_ON_APB, tegra_clk_owr), diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 5435d01c636a..9eb1cb14fce1 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -44,6 +44,8 @@ #define CLK_SOURCE_EMC 0x19c #define CLK_SOURCE_SOR1 0x410 #define CLK_SOURCE_LA 0x1f8 +#define CLK_SOURCE_SDMMC2 0x154 +#define CLK_SOURCE_SDMMC4 0x164 #define PLLC_BASE 0x80 #define PLLC_OUT 0x84 @@ -2286,11 +2288,9 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, - [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true }, [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, - [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true }, [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, @@ -3030,6 +3030,16 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, 0, NULL); clks[TEGRA210_CLK_ACLK] = clk; + clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base, + CLK_SOURCE_SDMMC2, 9, + TEGRA_DIVIDER_ROUND_UP, 0, NULL); + clks[TEGRA210_CLK_SDMMC2] = clk; + + clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base, + CLK_SOURCE_SDMMC4, 15, + TEGRA_DIVIDER_ROUND_UP, 0, NULL); + clks[TEGRA210_CLK_SDMMC4] = clk; + for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { struct tegra_periph_init_data *init = &tegra210_periph[i]; struct clk **clkp; |