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Subject[PATCH AUTOSEL 4.19 140/252] ARM: dts: stm32: Add power-supply for DSI panel on stm32f469-disco
Date
From: Benjamin Gaignard <benjamin.gaignard@st.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@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Sasha Levin <sashal@kernel.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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