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[6/6] arm: dts: stm32f4: Add external I2S clock

Message ID 1478523943-23142-7-git-send-email-gabriel.fernandez@st.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gabriel FERNANDEZ Nov. 7, 2016, 1:05 p.m. UTC 
From: Gabriel Fernandez <gabriel.fernandez@st.com>

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>
---
 arch/arm/boot/dts/stm32f429.dtsi | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index 2700449..14da6ce 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 {
@@ -356,7 +362,7 @@ 
 			#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>;
 		};