From: Benjamin Gaignard <benjamin.gaignard@xxxxxx>
[ 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@xxxxxx>
Signed-off-by: Alexandre Torgue <alexandre.torgue@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 a3ff04940aec1..c6dc6d1a051b0 100644
--- a/arch/arm/boot/dts/stm32f469-disco.dts
+++ b/arch/arm/boot/dts/stm32f469-disco.dts
@@ -76,6 +76,13 @@
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>;
};
@@ -155,6 +162,7 @@
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
