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authorGabriel Fernandez <gabriel.fernandez@st.com>2016-12-13 17:20:00 +0300
committerAlexandre TORGUE <alexandre.torgue@st.com>2017-01-20 16:59:42 +0300
commit305b0495e404a080a0330717be50e75f7dbf26c4 (patch)
tree64ce8747c60ed753c4fd97201a5309da86fb7e97 /arch/arm/boot/dts/stm32f429.dtsi
parent7465d81191a12f0896d121f319da702580739433 (diff)
downloadlinux-305b0495e404a080a0330717be50e75f7dbf26c4.tar.xz
ARM: dts: stm32: Add external I2S clock on stm32f429 MCU
This patch adds an external I2S clock in the DT. The I2S clock could be derived from an external I2S clock or by I2S pll. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Diffstat (limited to 'arch/arm/boot/dts/stm32f429.dtsi')
-rw-r--r--arch/arm/boot/dts/stm32f429.dtsi8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 77055aa2f2f2..a92c80914768 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -68,6 +68,12 @@
compatible = "fixed-clock";
clock-frequency = <32000>;
};
+
+ clk_i2s_ckin: i2s-ckin {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <0>;
+ };
};
soc {
@@ -424,7 +430,7 @@
#clock-cells = <2>;
compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
reg = <0x40023800 0x400>;
- clocks = <&clk_hse>;
+ clocks = <&clk_hse>, <&clk_i2s_ckin>;
st,syscfg = <&pwrcfg>;
};