diff options
| author |   Gabriel Fernandez <gabriel.fernandez@st.com> | 2016-12-13 15:20:17 +0100 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@codeaurora.org> | 2016-12-21 16:09:11 -0800 |
| commit | 62710c121b262fb8fe26d50179ab407e421969ed (patch) | |
| tree | 1a1c1a17e937a6cc9d8f2290c8a57e52b291909e /drivers/clk/clk-stm32f4.c | |
| parent | clk: stm32f4: Add I2S clock (diff) | |
| download | linux-dev-62710c121b262fb8fe26d50179ab407e421969ed.tar.xz linux-dev-62710c121b262fb8fe26d50179ab407e421969ed.zip | |
clk: stm32f4: Add SAI clocks
This patch introduces SAI clocks for stm32f4 socs.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/clk-stm32f4.c')
| -rw-r--r-- | drivers/clk/clk-stm32f4.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index fde883a73394..387e53197360 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -948,6 +948,9 @@ static const char *lcd_parent[1] = { "pllsai-r-div" }; static const char *i2s_parents[2] = { "plli2s-r", NULL }; +static const char *sai_parents[4] = { "pllsai-q-div", "plli2s-q-div", NULL, + "no-clock" }; + struct stm32_aux_clk { int idx; const char *name; @@ -983,6 +986,18 @@ static const struct stm32_aux_clk stm32f429_aux_clk[] = { NO_GATE, 0, CLK_SET_RATE_PARENT }, + { + CLK_SAI1, "sai1-a", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 20, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, + { + CLK_SAI2, "sai1-b", sai_parents, ARRAY_SIZE(sai_parents), + STM32F4_RCC_DCKCFGR, 22, 3, + STM32F4_RCC_APB2ENR, 22, + CLK_SET_RATE_PARENT + }, }; static const struct stm32f4_clk_data stm32f429_clk_data = { @@ -1115,6 +1130,7 @@ static void __init stm32f4_rcc_init(struct device_node *np) i2s_in_clk = of_clk_get_parent_name(np, 1); i2s_parents[1] = i2s_in_clk; + sai_parents[2] = i2s_in_clk; clk_register_fixed_rate_with_accuracy(NULL, "hsi", NULL, 0, 16000000, 160000); |