ARM: tegra: Add Avionic Design Plutux support

The Plutux is a set-top box device based on the Tamonten SOM and can be
connected to a display via HDMI.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra20-plutux.dts

+/dts-v1/;
+
+/include/ "tegra20-tamonten.dtsi"
+
+/ {
+	model = "Avionic Design Plutux board";
+	compatible = "ad,plutux", "ad,tamonten", "nvidia,tegra20";
+
+	i2c@7000c000 {
+		wm8903: wm8903@1a {
+			compatible = "wlf,wm8903";
+			reg = <0x1a>;
+			interrupt-parent = <&gpio>;
+			interrupts = <187 0x04>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			micdet-cfg = <0>;
+			micdet-delay = <100>;
+			gpio-cfg = <0xffffffff
+				    0xffffffff
+				    0
+				    0xffffffff
+				    0xffffffff>;
+		};
+	};
+
+	sound {
+		compatible = "ad,tegra-audio-plutux",
+			     "nvidia,tegra-audio-wm8903";
+		nvidia,model = "Avionic Design Plutux";
+
+		nvidia,audio-routing =
+			"Headphone Jack", "HPOUTR",
+			"Headphone Jack", "HPOUTL",
+			"Int Spk", "ROP",
+			"Int Spk", "RON",
+			"Int Spk", "LOP",
+			"Int Spk", "LON",
+			"Mic Jack", "MICBIAS",
+			"IN1L", "Mic Jack";
+
+		nvidia,i2s-controller = <&tegra_i2s1>;
+		nvidia,audio-codec = <&wm8903>;
+
+		nvidia,spkr-en-gpios = <&wm8903 2 0>;
+		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
+	};
+};

arch/arm/mach-tegra/Makefile.boot

@@ -4,6 +4,7 @@ initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC)	:= 0x00800000
 
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-harmony.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-paz00.dtb
+dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-plutux.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-seaboard.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-trimslice.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20-ventana.dtb