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@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230223145426.193590-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index aaef8936397ece92c7841e5d02dc9fe7a6ccdca2..8652f41403aee8cf01772fe0bee5f642bda41b0c 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -1118,6 +1118,29 @@
                        #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";