Add "regulator-boot-on" to "panel_fixed_3v3" to save time on powering the regulator during boot. Also add "off-on-delay-us" to the node to make sure the regulator never violates the panel timing requirements. Signed-off-by: Pin-yen Lin <treapking@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi index d77f6af19065..03d1ab2ca820 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi @@ -96,6 +96,8 @@ panel_fixed_3v3: regulator1 { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; enable-active-high; + regulator-boot-on; + off-on-delay-us = <500000>; gpio = <&pio 41 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&panel_fixed_pins>; -- 2.40.0.634.g4ca3ef3211-goog