ARM: dts: Add sound nodes for Odroid-X2/U3 boards

Add MAX98090 audio codec, I2S interface and the sound complex
nodes to enable audio on Odroid-X2/U3 boards.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4412-odroid-common.dtsi

@@ -32,6 +32,21 @@ power_key {
 		};
 	};
 
+	i2s0: i2s@03830000 {
+		pinctrl-0 = <&i2s0_bus>;
+		pinctrl-names = "default";
+		status = "okay";
+		clocks = <&clock_audss EXYNOS_I2S_BUS>,
+			 <&clock_audss EXYNOS_DOUT_AUD_BUS>;
+		clock-names = "iis", "i2s_opclk0";
+	};
+
+	sound: sound {
+		compatible = "samsung,odroidx2-audio";
+		samsung,i2s-controller = <&i2s0>;
+		samsung,audio-codec = <&max98090>;
+	};
+
 	mmc@12550000 {
 		pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
 		pinctrl-names = "default";
@@ -321,6 +336,18 @@ buck8_reg: BUCK8 {
 		};
 	};
 
+	i2c@13870000 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c1_bus>;
+		status = "okay";
+		max98090: max98090@10 {
+			compatible = "maxim,max98090";
+			reg = <0x10>;
+			interrupt-parent = <&gpx0>;
+			interrupts = <0 0>;
+		};
+	};
+
 	exynos-usbphy@125B0000 {
 		status = "okay";
 	};

arch/arm/boot/dts/exynos4412-odroidu3.dts

@@ -47,3 +47,15 @@ port@2 {
 		status = "okay";
 	};
 };
+
+&sound {
+	compatible = "samsung,odroidu3-audio";
+	samsung,model = "Odroid-U3";
+	samsung,audio-routing =
+		"Headphone Jack", "HPL",
+		"Headphone Jack", "HPR",
+		"Headphone Jack", "MICBIAS",
+		"IN1", "Headphone Jack",
+		"Speakers", "SPKL",
+		"Speakers", "SPKR";
+};

arch/arm/boot/dts/exynos4412-odroidx2.dts

@@ -21,3 +21,12 @@ memory {
 		reg = <0x40000000 0x7FF00000>;
 	};
 };
+
+&sound {
+	samsung,model = "Odroid-X2";
+	samsung,audio-routing =
+		"Headphone Jack", "HPL",
+		"Headphone Jack", "HPR",
+		"IN1", "Mic Jack",
+		"Mic Jack", "MICBIAS";
+};