[PATCH 09/13] arm64: dts: mediatek: mt8188: Add PWM nodes for display backlight
From: Fei Shao <hidden>
Date: 2024-09-09 11:18:11
Also in:
linux-devicetree, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
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 <redacted> --- 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