[alsa-devel] [PATCH 3/3] ARM: dts: Add sound nodes for exynos4412-trats2

[Inha Song]

This patch add WM1811 audio codec, I2S interface and the sound
machine nodes to enable audio on exynos4412-trats2 board.

Signed-off-by: Inha Song <ideal.song at samsung.com>
---
 arch/arm/boot/dts/exynos4412-trats2.dts | 38 +++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 29231b4..2943ce7 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -203,6 +203,23 @@
 		};
 	};
 
+	i2c at 138A0000 {
+		samsung,i2c-sda-delay = <100>;
+		samsung,i2c-slave-addr = <0x10>;
+		samsung,i2c-max-bus-freq = <100000>;
+		pinctrl-0 = <&i2c4_bus>;
+		pinctrl-names = "default";
+		status = "okay";
+
+		wm1811: wm1811 at 1a {
+			compatible = "wlf,wm1811";
+			reg = <0x1a>;
+			DCVDD-supply = <&ldo3_reg>;
+			DBVDD1-supply = <&ldo3_reg>;
+			wlf,ldo1ena = <&gpj0 4 0>;
+		};
+	};
+
 	i2c at 138D0000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-slave-addr = <0x10>;
@@ -838,6 +855,27 @@
 		};
 	};
 
+	i2s0: i2s at 03830000 {
+		pinctrl-0 = <&i2s0_bus>;
+		pinctrl-names = "default";
+		status = "okay";
+	};
+
+	sound {
+		compatible = "samsung,trats2-audio";
+		clocks = <&pmu_system_controller 0>;
+		clock-names = "mclk";
+		assigned-clocks = <&pmu_system_controller 0>;
+		assigned-clock-parents =  <&clock CLK_XUSBXTI>;
+		samsung,i2s-controller = <&i2s0>;
+		samsung,model = "wm1811";
+		samsung,audio-routing =
+			"SPK", "SPKOUTLN",
+			"SPK", "SPKOUTLP",
+			"SPK", "SPKOUTRN",
+			"SPK", "SPKOUTRP";
+	};
+
 	exynos-usbphy at 125B0000 {
 		status = "okay";
 	};
-- 
2.0.0.390.gcb682f8