linux-kernel - [PATCH] ARM: dts: stm32: Add power-supply for RGB panel on stm32429i-eval

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Message-ID: <20200108132647.26131-1-benjamin.gaignard@st.com>
Date:   Wed, 8 Jan 2020 14:26:46 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] ARM: dts: stm32: Add power-supply for RGB panel on stm32429i-eval

Add a fixed regulator and use it as power supply for RBG panel.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 arch/arm/boot/dts/stm32429i-eval.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
index 58288aa53fee..c27fa355e5ab 100644
--- a/arch/arm/boot/dts/stm32429i-eval.dts
+++ b/arch/arm/boot/dts/stm32429i-eval.dts
@@ -95,6 +95,13 @@
 		regulator-max-microvolt = <3300000>;
 	};
 
+	vdd_panel: vdd-panel {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_panel";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		green {
@@ -138,6 +145,7 @@
 
 	panel_rgb: panel-rgb {
 		compatible = "ampire,am-480272h3tmqw-t01h";
+		power-supply = <&vdd_panel>;
 		status = "okay";
 		port {
 			panel_in_rgb: endpoint {
-- 
2.15.0