Re: [PATCH] arm64: dts: mt8183: Add missing power-domain for pwm0 node
From: Hsin-Yi Wang <hidden>
Date: 2021-01-14 07:33:49
Also in:
linux-arm-kernel, linux-devicetree, lkml
On Thu, Jan 14, 2021 at 5:57 AM Enric Balletbo i Serra [off-list ref] 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 <redacted>Reviewed-by: Hsin-Yi Wang <redacted>
quoted hunk ↗ jump to hunk
--- 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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