ARM: dts: support simple-audio-card for exynos5420 and exynos5422-odroidxu3

Add MAX98090 audio codec, I2S interface and the sound nodes
to support audio on exynos5422-odroidxu3 board. Now we can
support audio using simple-audio-card DT binding.
Signed-off-by: Inha Song <ideal.song@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

arch/arm/boot/dts/exynos5420.dtsi

@@ -416,6 +416,9 @@ &adma 2
 			<&clock_audss EXYNOS_I2S_BUS>,
 			<&clock_audss EXYNOS_SCLK_I2S>;
 		clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
+		#clock-cells = <1>;
+		clock-output-names = "i2s_cdclk0";
+		#sound-dai-cells = <1>;
 		samsung,idma-addr = <0x03000000>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s0_bus>;
@@ -430,6 +433,9 @@ i2s1: i2s@12D60000 {
 		dma-names = "tx", "rx";
 		clocks = <&clock CLK_I2S1>, <&clock CLK_SCLK_I2S1>;
 		clock-names = "iis", "i2s_opclk0";
+		#clock-cells = <1>;
+		clock-output-names = "i2s_cdclk1";
+		#sound-dai-cells = <1>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s1_bus>;
 		status = "disabled";
@@ -443,6 +449,9 @@ i2s2: i2s@12D70000 {
 		dma-names = "tx", "rx";
 		clocks = <&clock CLK_I2S2>, <&clock CLK_SCLK_I2S2>;
 		clock-names = "iis", "i2s_opclk0";
+		#clock-cells = <1>;
+		clock-output-names = "i2s_cdclk2";
+		#sound-dai-cells = <1>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2s2_bus>;
 		status = "disabled";

arch/arm/boot/dts/exynos5422-odroidxu3.dts

@@ -13,6 +13,7 @@
 /dts-v1/;
 #include <dt-bindings/clock/samsung,s2mps11.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/sound/samsung-i2s.h>
 #include "exynos5800.dtsi"
 
 / {
@@ -307,6 +308,64 @@ microSD {
 			linux,default-trigger = "mmc1";
 		};
 	};
+
+	sound: sound {
+		compatible = "simple-audio-card";
+
+		simple-audio-card,name = "Odroid-XU3";
+		simple-audio-card,widgets =
+			"Headphone", "Headphone Jack",
+			"Speakers", "Speakers";
+		simple-audio-card,routing =
+			"Headphone Jack", "HPL",
+			"Headphone Jack", "HPR",
+			"Headphone Jack", "MICBIAS",
+			"IN1", "Headphone Jack",
+			"Speakers", "SPKL",
+			"Speakers", "SPKR";
+
+		simple-audio-card,format = "i2s";
+		simple-audio-card,bitclock-master = <&link0_codec>;
+		simple-audio-card,frame-master = <&link0_codec>;
+
+		simple-audio-card,cpu {
+			sound-dai = <&i2s0 0>;
+			system-clock-frequency = <19200000>;
+		};
+
+		link0_codec: simple-audio-card,codec {
+			sound-dai = <&max98090>;
+			clocks = <&i2s0 CLK_I2S_CDCLK>;
+		};
+	};
+};
+
+&clock_audss {
+	assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
+			<&clock_audss EXYNOS_MOUT_I2S>,
+			<&clock_audss EXYNOS_DOUT_AUD_BUS>;
+	assigned-clock-parents = <&clock CLK_FIN_PLL>,
+			<&clock_audss EXYNOS_MOUT_AUDSS>;
+	assigned-clock-rates = <0>,
+			<0>,
+			<19200000>;
+};
+
+&hsi2c_5 {
+	status = "okay";
+	max98090: max98090@10 {
+		compatible = "maxim,max98090";
+		reg = <0x10>;
+		interrupt-parent = <&gpx3>;
+		interrupts = <2 0>;
+		clocks = <&i2s0 CLK_I2S_CDCLK>;
+		clock-names = "mclk";
+		#sound-dai-cells = <0>;
+	};
+};
+
+&i2s0 {
+	status = "okay";
 };
 
 &hdmi {