Add two hardware PWM nodes for display backlight usage on MT8188 SoC,
and mark them as disabled by default.
Boards can enable the necessary PWM node as needed.

Signed-off-by: Fei Shao <fshao@chromium.org>
---

 arch/arm64/boot/dts/mediatek/mt8188.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
index 7e3a90c1a173..4593bc1fb5b7 100644
--- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
@@ -1425,6 +1425,28 @@ lvts_ap: thermal-sensor@1100b000 {
 			#thermal-sensor-cells = <1>;
 		};
 
+		disp_pwm0: pwm@1100e000 {
+			compatible = "mediatek,mt8188-disp-pwm", "mediatek,mt8183-disp-pwm";
+			reg = <0 0x1100e000 0 0x1000>;
+			clocks = <&topckgen CLK_TOP_DISP_PWM0>,
+				 <&infracfg_ao CLK_INFRA_AO_DISP_PWM>;
+			clock-names = "main", "mm";
+			interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH 0>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		disp_pwm1: pwm@1100f000 {
+			compatible = "mediatek,mt8188-disp-pwm", "mediatek,mt8183-disp-pwm";
+			reg = <0 0x1100f000 0 0x1000>;
+			clocks = <&topckgen CLK_TOP_DISP_PWM1>,
+				 <&infracfg_ao CLK_INFRA_AO_DISP_PWM1>;
+			clock-names = "main", "mm";
+			interrupts = <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH 0>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
 		spi1: spi@11010000 {
 			compatible = "mediatek,mt8188-spi-ipm", "mediatek,spi-ipm";
 			#address-cells = <1>;
-- 
2.46.0.469.g59c65b2a67-goog