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Commit 62710c12 authored by Gabriel Fernandez's avatar Gabriel Fernandez Committed by Stephen Boyd
Browse files

clk: stm32f4: Add SAI clocks 



This patch introduces SAI clocks for stm32f4 socs.

Signed-off-by: default avatarGabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: default avatarStephen Boyd <sboyd@codeaurora.org>
parent 12696bac

drivers/clk/clk-stm32f4.c

+16 −0
Original line number Diff line number Diff line
@@ -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);