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Groups > linux.kernel > #1516146

[PATCH 5/6] clk: stm32f4: Add SAI clocks

From <gabriel.fernandez@st.com>
Newsgroups linux.kernel
Subject [PATCH 5/6] clk: stm32f4: Add SAI clocks
Date 2016-11-07 14:20 +0100
Message-ID <sAS0a-3Aq-41@gated-at.bofh.it> (permalink)
References <sARQt-3wK-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Gabriel Fernandez <gabriel.fernandez@st.com>

This patch introduces SAI clocks for stm32f4 socs.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
---
 drivers/clk/clk-stm32f4.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index b7cb359..c305659 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -217,6 +217,7 @@ enum {
 	PLL_VCO_I2S, PLL_VCO_SAI,
 	CLK_LCD,
 	CLK_I2S,
+	CLK_SAI1, CLK_SAI2,
 	END_PRIMARY_CLK
 };
 
@@ -970,6 +971,9 @@ 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 stm32f4_clk_data {
 	const struct stm32f4_gate_data *gates_data;
 	const u64 *gates_map;
@@ -1063,6 +1067,19 @@ static void __init stm32f4_rcc_init(struct device_node *np)
 				i2s_parents, ARRAY_SIZE(i2s_parents), 0,
 				base + STM32F4_RCC_CFGR, 23, 1, 0, NULL,
 				&stm32f4_clk_lock);
+
+	sai_parents[2] = i2s_in_clk;
+
+	clks[CLK_SAI1] = clk_hw_register_mux_table(NULL, "sai1-clk",
+			sai_parents, ARRAY_SIZE(sai_parents), 0,
+			base + STM32F4_RCC_DCKCFGR, 20, 1, 0, NULL,
+			&stm32f4_clk_lock);
+
+	clks[CLK_SAI2] = clk_hw_register_mux_table(NULL, "sai2-clk",
+			sai_parents, ARRAY_SIZE(sai_parents), 0,
+			base + STM32F4_RCC_DCKCFGR, 22, 1, 0, NULL,
+			&stm32f4_clk_lock);
+
 	sys_parents[1] = hse_clk;
 	clk_register_mux_table(
 	    NULL, "sys", sys_parents, ARRAY_SIZE(sys_parents), 0,
-- 
1.9.1

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Thread

[PATCH 0/6] Add STM32F4 missing clocks <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
  [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for STM32F469 board <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for  STM32F469 board Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:00 +0100
      Re: [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for  STM32F469 board Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:10 +0100
  [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and Add lcd-tft clock <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and  Add lcd-tft clock Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:00 +0100
      Re: [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and  Add lcd-tft clock Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:20 +0100
  [PATCH 4/6] clk: stm32f4: Add I2S clock <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 4/6] clk: stm32f4: Add I2S clock Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:20 +0100
      Re: [PATCH 4/6] clk: stm32f4: Add I2S clock Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 17:30 +0100
  [PATCH 6/6] arm: dts: stm32f4: Add external I2S clock <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
  [PATCH 5/6] clk: stm32f4: Add SAI clocks <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
  [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:10 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-07 16:00 +0100
      Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 09:40 +0100
        Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-08 10:00 +0100
          Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 17:30 +0100
            Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-09 09:20 +0100
              Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-09 11:00 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 18:50 +0100

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