linux-kernel - [PATCH v1 3/4] arm64: dts: mediatek: mt8195: Add display pwm nodes

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Message-Id: <20230223145426.193590-4-angelogioacchino.delregno@collabora.com>
Date:   Thu, 23 Feb 2023 15:54:25 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v1 3/4] arm64: dts: mediatek: mt8195: Add display pwm nodes

Add the two hardware PWMs for display backlighting but keep them
disabled by default, as usage is board-specific.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/mt8195.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index fecb41104193..c86c4b48dc3f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -1102,6 +1102,29 @@ lvts_ap: thermal-sensor@...0b000 {
 			#thermal-sensor-cells = <1>;
 		};
 
+		disp_pwm0: pwm@...0e000 {
+			compatible = "mediatek,mt8195-disp-pwm", "mediatek,mt8183-disp-pwm";
+			reg = <0 0x1100e000 0 0x1000>;
+			interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_LOW 0>;
+			power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
+			#pwm-cells = <2>;
+			clocks = <&topckgen CLK_TOP_DISP_PWM0>,
+				 <&infracfg_ao CLK_INFRA_AO_DISP_PWM>;
+			clock-names = "main", "mm";
+			status = "disabled";
+		};
+
+		disp_pwm1: pwm@...0f000 {
+			compatible = "mediatek,mt8195-disp-pwm", "mediatek,mt8183-disp-pwm";
+			reg = <0 0x1100f000 0 0x1000>;
+			interrupts = <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH 0>;
+			#pwm-cells = <2>;
+			clocks = <&topckgen CLK_TOP_DISP_PWM1>,
+				 <&infracfg_ao CLK_INFRA_AO_DISP_PWM1>;
+			clock-names = "main", "mm";
+			status = "disabled";
+		};
+
 		spi1: spi@...10000 {
 			compatible = "mediatek,mt8195-spi",
 				     "mediatek,mt6765-spi";
-- 
2.39.2