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Subject[PATCH] arm64: dts: mt8173: Power on panel regulator on boot
Date
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@chromium.org>

---

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
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