ARM: dts: imx7d-sdb: Complete WM8960 power supplies

WM8960 has the following power supplies:
- AVDD
- DBVDD
- DCVDD
- SPKVDD1
- SPKVDD2

Add new audio regulators to reflect the schematic and complete missed
power supplies.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts
index 6cde84636900..17236f90ab33 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts
@@ -143,6 +143,33 @@
 		gpio = <&gpio1 4 GPIO_ACTIVE_LOW>;
 	};
 
+	reg_audio_5v: regulator-audio-pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "audio-5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	reg_audio_3v3: regulator-audio-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "audio-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	reg_audio_1v8: regulator-audio-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "audio-1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&pwm1 0 5000000 0>;
@@ -406,6 +433,11 @@
 				  <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
 		assigned-clock-parents = <&clks IMX7D_PLL_AUDIO_POST_DIV>;
 		assigned-clock-rates = <0>, <884736000>, <12288000>;
+		AVDD-supply = <&reg_audio_3v3>;
+		DBVDD-supply = <&reg_audio_1v8>;
+		DCVDD-supply = <&reg_audio_1v8>;
+		SPKVDD1-supply = <&reg_audio_5v>;
+		SPKVDD2-supply = <&reg_audio_5v>;
 	};
 };