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authorHsin-Yi Wang <hsinyi@chromium.org>2020-11-24 12:12:54 +0800
committerMatthias Brugger <matthias.bgg@gmail.com>2020-11-27 12:20:05 +0100
commitf15722c0fef05a62d64ca1b1fc682f6f7396c108 (patch)
treef2f5ea8b939b3a1a158cf4431499f2b940a5b704 /arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
parent37fb78b9aeb75d79f0bdfbbbdcb85ebb68ae1476 (diff)
arm64: dts: mt8183: Add pwm and backlight node
Add pwm to mt8183 and backlight to mt8183-kukui. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Link: https://lore.kernel.org/r/20201124041253.4181273-1-hsinyi@chromium.org Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 85f7c33ba446..bf2ad1294dd3 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -19,6 +19,17 @@
stdout-path = "serial0:115200n8";
};
+ backlight_lcd0: backlight_lcd0 {
+ compatible = "pwm-backlight";
+ pwms = <&pwm0 0 500000>;
+ power-supply = <&bl_pp5000>;
+ enable-gpios = <&pio 176 0>;
+ brightness-levels = <0 1023>;
+ num-interpolated-steps = <1023>;
+ default-brightness-level = <576>;
+ status = "okay";
+ };
+
memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x80000000>;
@@ -536,6 +547,17 @@
};
};
+ pwm0_pin_default: pwm0_pin_default {
+ pins1 {
+ pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
+ output-high;
+ bias-pull-up;
+ };
+ pins2 {
+ pinmux = <PINMUX_GPIO43__FUNC_DISP_PWM>;
+ };
+ };
+
scp_pins: scp {
pins_scp_uart {
pinmux = <PINMUX_GPIO110__FUNC_TP_URXD1_AO>,
@@ -670,6 +692,12 @@
};
};
+&pwm0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pin_default>;
+};
+
&scp {
status = "okay";
pinctrl-names = "default";