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authorPeter De-Schrijver <pdeschrijver@nvidia.com>2018-07-12 07:53:02 -0400
committerStephen Boyd <sboyd@kernel.org>2018-07-25 17:26:22 -0400
commitc76a69e477b88f259bcc118129874011abcaae86 (patch)
tree4b4afa912eb95044ea1c799ac4d10c455c0512b4
parent633e79650b4f0ed8cd26076a376b5372c413b0f8 (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>
-rw-r--r--drivers/clk/tegra/clk-id.h2
-rw-r--r--drivers/clk/tegra/clk-tegra-periph.c11
-rw-r--r--drivers/clk/tegra/clk-tegra210.c14
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 {
227 tegra_clk_sdmmc1_9, 227 tegra_clk_sdmmc1_9,
228 tegra_clk_sdmmc2, 228 tegra_clk_sdmmc2,
229 tegra_clk_sdmmc2_8, 229 tegra_clk_sdmmc2_8,
230 tegra_clk_sdmmc2_9,
231 tegra_clk_sdmmc3, 230 tegra_clk_sdmmc3,
232 tegra_clk_sdmmc3_8, 231 tegra_clk_sdmmc3_8,
233 tegra_clk_sdmmc3_9, 232 tegra_clk_sdmmc3_9,
234 tegra_clk_sdmmc4, 233 tegra_clk_sdmmc4,
235 tegra_clk_sdmmc4_8, 234 tegra_clk_sdmmc4_8,
236 tegra_clk_sdmmc4_9,
237 tegra_clk_se, 235 tegra_clk_se,
238 tegra_clk_soc_therm, 236 tegra_clk_soc_therm,
239 tegra_clk_soc_therm_8, 237 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[] = {
451 [0] = 0, [1] = 3, [2] = 4, [3] = 6, [4] = 7, 451 [0] = 0, [1] = 3, [2] = 4, [3] = 6, [4] = 7,
452}; 452};
453 453
454static const char *mux_pllp_clkm_pllc4_out2_out1_out0_lj[] = {
455 "pll_p",
456 "pll_c4_out2", "pll_c4_out0", /* LJ input */
457 "pll_c4_out2", "pll_c4_out1",
458 "pll_c4_out1", /* LJ input */
459 "clk_m", "pll_c4_out0"
460};
461#define mux_pllp_clkm_pllc4_out2_out1_out0_lj_idx NULL
462
463static const char *mux_pllp_pllc2_c_c3_clkm[] = { 454static const char *mux_pllp_pllc2_c_c3_clkm[] = {
464 "pll_p", "pll_c2", "pll_c", "pll_c3", "clk_m" 455 "pll_p", "pll_c2", "pll_c", "pll_c3", "clk_m"
465}; 456};
@@ -686,9 +677,7 @@ static struct tegra_periph_init_data periph_clks[] = {
686 MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3), 677 MUX("sdmmc3", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3),
687 MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4), 678 MUX("sdmmc4", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4),
688 MUX8("sdmmc1", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1_9), 679 MUX8("sdmmc1", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC1, 14, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc1_9),
689 MUX8("sdmmc2", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC2, 9, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc2_9),
690 MUX8("sdmmc3", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3_9), 680 MUX8("sdmmc3", mux_pllp_pllc4_out2_pllc4_out1_clkm_pllc4_out0, CLK_SOURCE_SDMMC3, 69, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc3_9),
691 MUX8("sdmmc4", mux_pllp_clkm_pllc4_out2_out1_out0_lj, CLK_SOURCE_SDMMC4, 15, TEGRA_PERIPH_ON_APB, tegra_clk_sdmmc4_9),
692 MUX("la", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_LA, 76, TEGRA_PERIPH_ON_APB, tegra_clk_la), 681 MUX("la", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_LA, 76, TEGRA_PERIPH_ON_APB, tegra_clk_la),
693 MUX("trace", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_TRACE, 77, TEGRA_PERIPH_ON_APB, tegra_clk_trace), 682 MUX("trace", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_TRACE, 77, TEGRA_PERIPH_ON_APB, tegra_clk_trace),
694 MUX("owr", mux_pllp_pllc_pllm_clkm, CLK_SOURCE_OWR, 71, TEGRA_PERIPH_ON_APB, tegra_clk_owr), 683 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 @@
44#define CLK_SOURCE_EMC 0x19c 44#define CLK_SOURCE_EMC 0x19c
45#define CLK_SOURCE_SOR1 0x410 45#define CLK_SOURCE_SOR1 0x410
46#define CLK_SOURCE_LA 0x1f8 46#define CLK_SOURCE_LA 0x1f8
47#define CLK_SOURCE_SDMMC2 0x154
48#define CLK_SOURCE_SDMMC4 0x164
47 49
48#define PLLC_BASE 0x80 50#define PLLC_BASE 0x80
49#define PLLC_OUT 0x84 51#define PLLC_OUT 0x84
@@ -2286,11 +2288,9 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2286 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true }, 2288 [tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2287 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true }, 2289 [tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2288 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true }, 2290 [tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2289 [tegra_clk_sdmmc2_9] = { .dt_id = TEGRA210_CLK_SDMMC2, .present = true },
2290 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true }, 2291 [tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2291 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true }, 2292 [tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2292 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true }, 2293 [tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2293 [tegra_clk_sdmmc4_9] = { .dt_id = TEGRA210_CLK_SDMMC4, .present = true },
2294 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true }, 2294 [tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2295 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true }, 2295 [tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2296 [tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true }, 2296 [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,
3030 0, NULL); 3030 0, NULL);
3031 clks[TEGRA210_CLK_ACLK] = clk; 3031 clks[TEGRA210_CLK_ACLK] = clk;
3032 3032
3033 clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3034 CLK_SOURCE_SDMMC2, 9,
3035 TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3036 clks[TEGRA210_CLK_SDMMC2] = clk;
3037
3038 clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3039 CLK_SOURCE_SDMMC4, 15,
3040 TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3041 clks[TEGRA210_CLK_SDMMC4] = clk;
3042
3033 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) { 3043 for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3034 struct tegra_periph_init_data *init = &tegra210_periph[i]; 3044 struct tegra_periph_init_data *init = &tegra210_periph[i];
3035 struct clk **clkp; 3045 struct clk **clkp;