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SubjectRe: [PATCH] arm64: dts: mt8183: Add missing power-domain for pwm0 node
On Thu, Jan 14, 2021 at 5:57 AM Enric Balletbo i Serra
<enric.balletbo@collabora.com> wrote:
>
> The MT8183 display PWM device will not work until the associated
> power-domain is enabled. Add the power-domain reference to the node
> allows the display PWM driver to operate and the backlight turn on.
>
> Fixes: f15722c0fef0 ("arm64: dts: mt8183: Add pwm and backlight node")
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Hsin-Yi Wang <hsinyi@chromium.org>

> ---
>
> arch/arm64/boot/dts/mediatek/mt8183.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index bda283fa9245..8471c973dfd5 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -661,6 +661,7 @@ pwm0: pwm@1100e000 {
> compatible = "mediatek,mt8183-disp-pwm";
> reg = <0 0x1100e000 0 0x1000>;
> interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;
> + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
> #pwm-cells = <2>;
> clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,
> <&infracfg CLK_INFRA_DISP_PWM>;
> --
> 2.29.2
>

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