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Date:   Fri, 14 Feb 2020 11:09:55 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Benjamin Gaignard <benjamin.gaignard@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Sasha Levin <sashal@...nel.org>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 140/252] ARM: dts: stm32: Add power-supply for DSI panel on stm32f469-disco

From: Benjamin Gaignard <benjamin.gaignard@...com>

[ Upstream commit 0ff15a86d0c5a3f004fee2e92d65b88e56a3bc58 ]

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

Fixes: 18c8866266 ("ARM: dts: stm32: Add display support on stm32f469-disco")

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@...com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/stm32f469-disco.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
index 3ee768cb86fc9..eea979ef5512f 100644
--- a/arch/arm/boot/dts/stm32f469-disco.dts
+++ b/arch/arm/boot/dts/stm32f469-disco.dts
@@ -75,6 +75,13 @@
 		regulator-max-microvolt = <3300000>;
 	};
 
+	vdd_dsi: vdd-dsi {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_dsi";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	soc {
 		dma-ranges = <0xc0000000 0x0 0x10000000>;
 	};
@@ -154,6 +161,7 @@
 		compatible = "orisetech,otm8009a";
 		reg = <0>; /* dsi virtual channel (0..3) */
 		reset-gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
+		power-supply = <&vdd_dsi>;
 		status = "okay";
 
 		port {
-- 
2.20.1

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