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authorThierry Reding <thierry.reding@gmail.com>2013-10-29 16:51:12 +0100
committerPeter De Schrijver <pdeschrijver@nvidia.com>2013-11-26 18:46:57 +0200
commitc04bf559264de4f986463c639fabef2028542924 (patch)
tree30bfdeed6283bfb603cad43a5519a09c75570dc4 /drivers/clk/tegra
parent43e36a9646ec7d0180d638c095cca36484cc6f82 (diff)
clk: tegra: Properly setup PWM clock on Tegra30
The clock for the PWM controller is slightly different from other peripheral clocks on Tegra30. The clock source mux field start at bit position 28 rather than 30. Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra')
-rw-r--r--drivers/clk/tegra/clk-tegra30.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 153ae1acd2fa..3afa09761bb3 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -102,6 +102,7 @@
#define AUDIO_SYNC_CLK_SPDIF 0x4b4
#define CLK_SOURCE_SPDIF_OUT 0x108
+#define CLK_SOURCE_PWM 0x110
#define CLK_SOURCE_D_AUDIO 0x3d0
#define CLK_SOURCE_DAM0 0x3d8
#define CLK_SOURCE_DAM1 0x3dc
@@ -827,7 +828,6 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = {
[tegra_clk_extern1] = { .dt_id = TEGRA30_CLK_EXTERN1, .present = true },
[tegra_clk_extern2] = { .dt_id = TEGRA30_CLK_EXTERN2, .present = true },
[tegra_clk_extern3] = { .dt_id = TEGRA30_CLK_EXTERN3, .present = true },
- [tegra_clk_pwm] = { .dt_id = TEGRA30_CLK_PWM, .present = true },
[tegra_clk_disp1] = { .dt_id = TEGRA30_CLK_DISP1, .present = true },
[tegra_clk_disp2] = { .dt_id = TEGRA30_CLK_DISP2, .present = true },
[tegra_clk_apbdma] = { .dt_id = TEGRA30_CLK_APBDMA, .present = true },
@@ -1111,6 +1111,7 @@ static const char *mux_pllpmdacd2_clkm[] = { "pll_p", "pll_m", "pll_d_out0",
"pll_d2_out0", "clk_m" };
static const char *mux_plld_out0_plld2_out0[] = { "pll_d_out0",
"pll_d2_out0" };
+static const char *pwm_parents[] = { "pll_p", "pll_c", "clk_32k", "clk_m" };
static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_MUX("spdif_out", spdif_out_parents, CLK_SOURCE_SPDIF_OUT, 10, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_SPDIF_OUT),
@@ -1121,6 +1122,7 @@ static struct tegra_periph_init_data tegra_periph_clk_list[] = {
TEGRA_INIT_DATA_INT("3d2", mux_pllmcpa, CLK_SOURCE_3D2, 98, TEGRA_PERIPH_MANUAL_RESET, TEGRA30_CLK_GR3D2),
TEGRA_INIT_DATA_INT("se", mux_pllpcm_clkm, CLK_SOURCE_SE, 127, 0, TEGRA30_CLK_SE),
TEGRA_INIT_DATA_MUX8("hdmi", mux_pllpmdacd2_clkm, CLK_SOURCE_HDMI, 51, 0, TEGRA30_CLK_HDMI),
+ TEGRA_INIT_DATA("pwm", NULL, NULL, pwm_parents, CLK_SOURCE_PWM, 28, 2, 0, 0, 8, 1, 0, 17, TEGRA_PERIPH_ON_APB, TEGRA30_CLK_PWM),
};
static struct tegra_periph_init_data tegra_periph_nodiv_clk_list[] = {