linux-kernel - [RFC PATCH 1/2] arm64: dts: renesas: ulcb-kf: adapt 1.8V HDMI regulator to schematics

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Date: Mon, 29 Jan 2024 22:23:49 +0100
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: linux-renesas-soc@...r.kernel.org
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC PATCH 1/2] arm64: dts: renesas: ulcb-kf: adapt 1.8V HDMI regulator to schematics

It is named T1.8V in the schematics. Also add properties dcoumenting it
is always on, also during boot.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index c8dc06f0dfed..6b6a0a8bc1db 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -32,11 +32,13 @@ hdmi1_con: endpoint {
 		};
 	};
 
-	hdmi_1v8: regulator-hdmi-1v8 {
+	t1v8: regulator-t1v8 {
 		compatible = "regulator-fixed";
-		regulator-name = "hdmi-1v8";
+		regulator-name = "t1v8";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
 	};
 
 	pcie_1v5: regulator-pcie-1v5 {
@@ -154,11 +156,11 @@ hdmi@3d {
 
 				pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>;
 
-				avdd-supply = <&hdmi_1v8>;
-				dvdd-supply = <&hdmi_1v8>;
-				pvdd-supply = <&hdmi_1v8>;
+				avdd-supply = <&t1v8>;
+				dvdd-supply = <&t1v8>;
+				pvdd-supply = <&t1v8>;
 				dvdd-3v-supply = <&reg_3p3v>;
-				bgvdd-supply = <&hdmi_1v8>;
+				bgvdd-supply = <&t1v8>;
 
 				adi,input-depth = <8>;
 				adi,input-colorspace = "rgb";
-- 
2.39.2