On 13/01/2021 22:57, Enric Balletbo i Serra 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@xxxxxxxxxxxxx> > --- applied to v5.11-next/dts64 Thanks! > > 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>; >