From: Pin-yen Lin Date: Mon, 17 Apr 2023 12:39:56 +0000 (+0800) Subject: arm64: dts: mt8173: Power on panel regulator on boot X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=621a046d9b2f38a2fccb1651cbe4351f586e80a1;p=linux.git arm64: dts: mt8173: Power on panel regulator on boot 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 Reviewed-by: Douglas Anderson Link: https://lore.kernel.org/r/20230417123956.926266-1-treapking@chromium.org Signed-off-by: Matthias Brugger --- diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi index d77f6af19065e..03d1ab2ca8203 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi @@ -96,6 +96,8 @@ 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>;