diff options
| author | Pin-yen Lin <treapking@chromium.org> | 2023-04-17 15:39:56 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2023-06-15 14:14:57 +0300 |
| commit | 621a046d9b2f38a2fccb1651cbe4351f586e80a1 (patch) | |
| tree | 5a72e5038b45c6be77dea4f2ab75c077ef67ec2a /arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | |
| parent | 42bdf378644b5d0a73bd42c031d4d321ad41047e (diff) | |
| download | linux-621a046d9b2f38a2fccb1651cbe4351f586e80a1.tar.xz | |
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 <treapking@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20230417123956.926266-1-treapking@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 2 |
1 files changed, 2 insertions, 0 deletions
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 @@ 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>; |