linux-kernel - [PATCH 1/6] arm64: dts: imx8mp-evk: Complete WM8960 power supplies

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Message-ID: <20250109012718.328692-2-chancel.liu@nxp.com>
Date: Thu,  9 Jan 2025 10:27:13 +0900
From: Chancel Liu <chancel.liu@....com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: shengjiu.wang@...il.com
Subject: [PATCH 1/6] arm64: dts: imx8mp-evk: 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@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 68e12a752edd..c26954e5a605 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -74,6 +74,24 @@ pcie0_refclk: pcie0-refclk {
 		clock-frequency = <100000000>;
 	};
 
+	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;
+	};
+
 	reg_audio_pwr: regulator-audio-pwr {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -586,7 +604,11 @@ wm8960: codec@1a {
 		wlf,shared-lrclk;
 		wlf,hp-cfg = <3 2 3>;
 		wlf,gpio-cfg = <1 3>;
+		AVDD-supply = <&reg_audio_3v3>;
+		DBVDD-supply = <&reg_audio_1v8>;
+		DCVDD-supply = <&reg_audio_1v8>;
 		SPKVDD1-supply = <&reg_audio_pwr>;
+		SPKVDD2-supply = <&reg_audio_pwr>;
 	};
 
 	pca6416: gpio@20 {
-- 
2.47.1