The audio codec on Snow board, MAX98095 is connected on I2C7 bus.
Also it requires the GPX1-7 line to be pulled up.
Updated Snow DTS file to incorporate above changes and added a
sound node to instantiate the I2S-based sound card.
Signed-off-by: Tushar Behera <tushar.beh...@linaro.org>
---
arch/arm/boot/dts/exynos5250-snow.dts | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts
b/arch/arm/boot/dts/exynos5250-snow.dts
index 1bc9b50..f63df3c 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -196,6 +196,38 @@
};
};
+ regulators {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ max98095-en-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpx1 7 0>;
+ enable-active-high;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+
+ i2c@12CD0000 {
+ max98095: codec@11 {
+ compatible = "maxim,max98095";
+ reg = <0x11>;
+ };
+ };
+
+ i2s0: i2s@03830000 {
+ status = "okay";
+ };
+
+ sound {
+ compatible = "google,snow-audio-max98095";
+
+ samsung,i2s-controller = <&i2s0>;
+ samsung,audio-codec = <&max98095>;
+ };
+
usb@12110000 {
samsung,vbus-gpio = <&gpx1 1 0>;
};
--
1.7.9.5
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