[PATCH v4 6/9] clk: stm32f4: Add SAI clocks
From: <hidden>
Date: 2016-12-13 14:24:29
Also in:
linux-arm-kernel, linux-clk, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
From: Gabriel Fernandez <redacted> This patch introduces SAI clocks for stm32f4 socs. Signed-off-by: Gabriel Fernandez <redacted> --- drivers/clk/clk-stm32f4.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index a7a6a16..2bff436 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c@@ -948,6 +948,9 @@ static struct clk_hw *stm32_register_cclk(struct device *dev, const char *name, 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 @@ struct stm32f4_clk_data { 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);
--
1.9.1