[PATCH 5.10 142/406] ARM: dts: s5pv210: add dummy 5V regulator for backlight on SMDKv210

Greg Kroah-Hartman
2023-09-17T19:30:02Z

From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

[ Upstream commit b77904ba177a9c67b6dbc3637fdf1faa22df6e5c ]

Backlight is supplied by DC5V regulator. The DTS has no PMIC node, so
just add a regulator-fixed to solve it and fix dtbs_check warning:

s5pv210-smdkv210.dtb: backlight: 'power-supply' is a required property

Link: https://lore.kernel.org/r/20230421095721.31857-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Stable-dep-of: 982655cb0e7f ("ARM: dts: samsung: s5pv210-smdkv210: correct ethernet reg addresses (split)")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm/boot/dts/s5pv210-smdkv210.dts | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/s5pv210-smdkv210.dts b/arch/arm/boot/dts/s5pv210-smdkv210.dts
index fbae768d65e27..6e26c67e0a26e 100644
--- a/arch/arm/boot/dts/s5pv210-smdkv210.dts
+++ b/arch/arm/boot/dts/s5pv210-smdkv210.dts
@@ -55,6 +55,14 @@ backlight {
default-brightness-level = <6>;
pinctrl-names = "default";
pinctrl-0 = <&pwm3_out>;
+ power-supply = <&dc5v_reg>;
+ };
+
+ dc5v_reg: regulator-0 {
+ compatible = "regulator-fixed";
+ regulator-name = "DC5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
};
};

--
2.40.1