Commit 621a046d authored by Pin-yen Lin's avatar Pin-yen Lin Committed by Matthias Brugger
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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: default avatarPin-yen Lin <treapking@chromium.org>
Reviewed-by: default avatarDouglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20230417123956.926266-1-treapking@chromium.org


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 42bdf378

arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi

+2 −0
Original line number Diff line number Diff line
@@ -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>;