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authorPeter De-Schrijver <pdeschrijver@nvidia.com>2018-07-12 13:53:02 +0200
committerStephen Boyd <sboyd@kernel.org>2018-07-25 23:26:22 +0200
commitc76a69e477b88f259bcc118129874011abcaae86 (patch)
tree4b4afa912eb95044ea1c799ac4d10c455c0512b4 /drivers/clk/tegra/clk-tegra210.c
parentclk: tegra: Add sdmmc mux divider clock (diff)
downloadlinux-c76a69e477b88f259bcc118129874011abcaae86.tar.xz
linux-c76a69e477b88f259bcc118129874011abcaae86.zip
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/tegra/clk-tegra210.c')
-rw-r--r--drivers/clk/tegra/clk-tegra210.c14
1 files changed, 12 insertions, 2 deletions
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;