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>

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index a7a34b96717c..87c5f7b7c271 100644
--- 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";
+        };
 };