ARM: tegra: apalis/colibri t30: Integrate audio

Integrate Freescale SGTL5000 analogue audio codec support.
Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
[treding@nvidia.com: remove leading 0 from unit-address]
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30-apalis.dtsi

@@ -48,6 +48,24 @@ pinmux@70000868 {
 		pinctrl-0 = <&state_default>;
 
 		state_default: pinmux {
+			/* Analogue Audio (On-module) */
+			clk1_out_pw4 {
+				nvidia,pins = "clk1_out_pw4";
+				nvidia,function = "extperiph1";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+			};
+			dap3_fs_pp0 {
+				nvidia,pins =	"dap3_fs_pp0",
+						"dap3_sclk_pp3",
+						"dap3_din_pp1",
+						"dap3_dout_pp2";
+				nvidia,function = "i2s2";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+			};
+
 			/* Apalis BKL1_ON */
 			pv2 {
 				nvidia,pins = "pv2";
@@ -429,6 +447,15 @@ i2c@7000d000 {
 		status = "okay";
 		clock-frequency = <100000>;
 
+		/* SGTL5000 audio codec */
+		sgtl5000: codec@a {
+			compatible = "fsl,sgtl5000";
+			reg = <0x0a>;
+			VDDA-supply = <&sys_3v3_reg>;
+			VDDIO-supply = <&sys_3v3_reg>;
+			clocks = <&tegra_car TEGRA30_CLK_EXTERN1>;
+		};
+
 		pmic: tps65911@2d {
 			compatible = "ti,tps65911";
 			reg = <0x2d>;
@@ -660,6 +687,12 @@ pmc@7000e400 {
 		nvidia,sys-clock-req-active-high;
 	};
 
+	ahub@70080000 {
+		i2s@70080500 {
+			status = "okay";
+		};
+	};
+
 	/* eMMC */
 	sdhci@78000600 {
 		status = "okay";
@@ -733,4 +766,20 @@ charge_pump_5v0_reg: regulator@103 {
 			regulator-always-on;
 		};
 	};
+
+	sound {
+		compatible = "toradex,tegra-audio-sgtl5000-apalis_t30",
+			     "nvidia,tegra-audio-sgtl5000";
+		nvidia,model = "Toradex Apalis T30";
+		nvidia,audio-routing =
+			"Headphone Jack", "HP_OUT",
+			"LINE_IN", "Line In Jack",
+			"MIC_IN", "Mic Jack";
+		nvidia,i2s-controller = <&tegra_i2s2>;
+		nvidia,audio-codec = <&sgtl5000>;
+		clocks = <&tegra_car TEGRA30_CLK_PLL_A>,
+			 <&tegra_car TEGRA30_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA30_CLK_EXTERN1>;
+		clock-names = "pll_a", "pll_a_out0", "mclk";
+	};
 };

arch/arm/boot/dts/tegra30-colibri.dtsi

@@ -29,6 +29,24 @@ pinmux@70000868 {
 		pinctrl-0 = <&state_default>;
 
 		state_default: pinmux {
+			/* Analogue Audio (On-module) */
+			clk1_out_pw4 {
+				nvidia,pins = "clk1_out_pw4";
+				nvidia,function = "extperiph1";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+				nvidia,enable-input = <TEGRA_PIN_DISABLE>;
+			};
+			dap3_fs_pp0 {
+				nvidia,pins =	"dap3_fs_pp0",
+						"dap3_sclk_pp3",
+						"dap3_din_pp1",
+						"dap3_dout_pp2";
+				nvidia,function = "i2s2";
+				nvidia,pull = <TEGRA_PIN_PULL_NONE>;
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
+			};
+
 			/* Colibri BL_ON */
 			pv2 {
 				nvidia,pins = "pv2";
@@ -207,6 +225,15 @@ i2c@7000d000 {
 		status = "okay";
 		clock-frequency = <100000>;
 
+		/* SGTL5000 audio codec */
+		sgtl5000: codec@a {
+			compatible = "fsl,sgtl5000";
+			reg = <0x0a>;
+			VDDA-supply = <&sys_3v3_reg>;
+			VDDIO-supply = <&sys_3v3_reg>;
+			clocks = <&tegra_car TEGRA30_CLK_EXTERN1>;
+		};
+
 		pmic: tps65911@2d {
 			compatible = "ti,tps65911";
 			reg = <0x2d>;
@@ -396,6 +423,12 @@ pmc@7000e400 {
 		nvidia,sys-clock-req-active-high;
 	};
 
+	ahub@70080000 {
+		i2s@70080500 {
+			status = "okay";
+		};
+	};
+
 	/* eMMC */
 	sdhci@78000600 {
 		status = "okay";
@@ -471,4 +504,20 @@ charge_pump_5v0_reg: regulator@103 {
 			regulator-always-on;
 		};
 	};
+
+	sound {
+		compatible = "toradex,tegra-audio-sgtl5000-colibri_t30",
+			     "nvidia,tegra-audio-sgtl5000";
+		nvidia,model = "Toradex Colibri T30";
+		nvidia,audio-routing =
+			"Headphone Jack", "HP_OUT",
+			"LINE_IN", "Line In Jack",
+			"MIC_IN", "Mic Jack";
+		nvidia,i2s-controller = <&tegra_i2s2>;
+		nvidia,audio-codec = <&sgtl5000>;
+		clocks = <&tegra_car TEGRA30_CLK_PLL_A>,
+			 <&tegra_car TEGRA30_CLK_PLL_A_OUT0>,
+			 <&tegra_car TEGRA30_CLK_EXTERN1>;
+		clock-names = "pll_a", "pll_a_out0", "mclk";
+	};
 };