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arm64: dts: mt8183: Add pwm and backlight node

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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>
This commit is contained in:
Hsin-Yi Wang 2020-11-24 12:12:54 +08:00 committed by Matthias Brugger
parent 37fb78b9ae
commit f15722c0fe
2 changed files with 38 additions and 0 deletions
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28
arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
View file

@ -19,6 +19,17 @@ chosen {
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 @@ pins_clk {
};
};
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 @@ pins_wifi_wakeup {
};
};
&pwm0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pin_default>;
};
&scp {
status = "okay";
pinctrl-names = "default";

10
arch/arm64/boot/dts/mediatek/mt8183.dtsi
View file

@ -641,6 +641,16 @@ spi0: spi@1100a000 {
status = "disabled";
};
pwm0: pwm@1100e000 {
compatible = "mediatek,mt8183-disp-pwm";
reg = <0 0x1100e000 0 0x1000>;
interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_LOW>;
#pwm-cells = <2>;
clocks = <&topckgen CLK_TOP_MUX_DISP_PWM>,
<&infracfg CLK_INFRA_DISP_PWM>;
clock-names = "main", "mm";
};
i2c3: i2c@1100f000 {
compatible = "mediatek,mt8183-i2c";
reg = <0 0x1100f000 0 0x1000>,