From: Stephen Warren <swarren@xxxxxxxxxx>
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@xxxxxxxxxx>
---
arch/arm/boot/dts/tegra30-beaver.dts | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index a7a34b9..87c5f7b 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";
+ };
};
--
1.8.1.5
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