ARM: tegra: enable audio on Beaver

Beaver uses the RT5640 audio CODEC. Instantiate this on the I2C bus, and
add the top-level "sound" node to hook everything together and provide a
"sound card" device.

Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index a7a34b96717c664ad7de4be1f2224bae71de2b4b..87c5f7b7c271fd7c8f58309b75d0168619919b2d 100644 (file)
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -116,6 +116,15 @@
                status = "okay";
                clock-frequency = <100000>;
 
+               rt5640: rt5640 {
+                       compatible = "realtek,rt5640";
+                       reg = <0x1c>;
+                       interrupt-parent = <&gpio>;
+                       interrupts = <TEGRA_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
+                       realtek,ldo1-en-gpios =
+                               <&gpio TEGRA_GPIO(X, 2) GPIO_ACTIVE_HIGH>;
+               };
+
                tps62361 {
                        compatible = "ti,tps62361";
                        reg = <0x60>;
@@ -404,4 +413,24 @@
                        gpios = <&gpio TEGRA_GPIO(L, 0) GPIO_ACTIVE_HIGH>;
                };
        };
+
+       sound {
+               compatible = "nvidia,tegra-audio-rt5640-beaver",
+                            "nvidia,tegra-audio-rt5640";
+               nvidia,model = "NVIDIA Tegra Beaver";
+
+               nvidia,audio-routing =
+                       "Headphones", "HPOR",
+                       "Headphones", "HPOL";
+
+               nvidia,i2s-controller = <&tegra_i2s1>;
+               nvidia,audio-codec = <&rt5640>;
+
+               nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
+
+               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";
+       };
 };