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

From: AngeloGioacchino Del Regno
Date: Thu Feb 23 2023 - 09:54:48 EST


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@xxxxxxxxxxxxx>
---
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@1100b000 {
#thermal-sensor-cells = <1>;
};

+ disp_pwm0: pwm@1100e000 {
+ 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@1100f000 {
+ 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@11010000 {
compatible = "mediatek,mt8195-spi",
"mediatek,mt6765-spi";
--
2.39.2