[PATCH] arm64: dts: mt8173: Power on panel regulator on boot
Matthias Brugger
matthias.bgg at gmail.com
Mon May 29 09:16:40 PDT 2023
On 17/04/2023 14:39, Pin-yen Lin wrote:
> 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 at chromium.org>
>
Applied, thanks!
> ---
>
> 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>;
More information about the linux-arm-kernel
mailing list