linux-kernel - [PATCH] arm64: dts: mt8183: Add missing power-domain for pwm0 node

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Message-Id: <20210113215723.71966-1-enric.balletbo@collabora.com>
Date:   Wed, 13 Jan 2021 22:57:23 +0100
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     matthias.bgg@...il.com, drinkcat@...omium.org, hsinyi@...omium.org,
        Collabora Kernel ML <kernel@...labora.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH] arm64: dts: mt8183: Add missing power-domain for pwm0 node

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@...labora.com>
---

 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@...0e000 {
 			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