ARM: dts: Add audio support for LogicPD Torpedo DM3730 devkit

Use the TWL4030 Codec with mcbsp2 on Torpedo.
Signed-off-by: Adam Ford <adam.ford@logicpd.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts

@@ -48,6 +48,12 @@ gpio2 {
 		};
 	};
 
+	sound {
+		compatible = "ti,omap-twl4030";
+		ti,model = "omap3logic";
+		ti,mcbsp = <&mcbsp2>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -67,6 +73,10 @@ led2 {
 	};
 };
 
+&mcbsp2 {
+	status = "okay";
+};
+
 &charger {
 	ti,bb-uvolt = <3200000>;
 	ti,bb-uamp = <150>;

arch/arm/boot/dts/logicpd-torpedo-som.dtsi

@@ -96,6 +96,11 @@ twl: twl@48 {
 		reg = <0x48>;
 		interrupts = <7>; /* SYS_NIRQ cascaded to intc */
 		interrupt-parent = <&intc>;
+		twl_audio: audio {
+			compatible = "ti,twl4030-audio";
+			codec {
+			};
+		};
 	};
 };
 
@@ -136,6 +141,14 @@ OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT_PULLUP | MUX_MODE4)	/* mcbsp4_clkx.gpio_152
 			OMAP3_CORE1_IOPAD(0x218e, PIN_OUTPUT | MUX_MODE4)	/* mcbsp1_fsr.gpio_157 */
 		>;
 	};
+	mcbsp2_pins: pinmux_mcbsp2_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x213c, PIN_INPUT | MUX_MODE0)        /* mcbsp2_fsx */
+			OMAP3_CORE1_IOPAD(0x213e, PIN_INPUT | MUX_MODE0)        /* mcbsp2_clkx */
+			OMAP3_CORE1_IOPAD(0x2140, PIN_INPUT | MUX_MODE0)        /* mcbsp2_dr */
+			OMAP3_CORE1_IOPAD(0x2142, PIN_OUTPUT | MUX_MODE0)       /* mcbsp2_dx */
+		>;
+	};
 };
 
 &omap3_pmx_core2 {