Messages in this thread |  | | Subject | Re: [PATCH] arm64: dts: mt8183: Add pwm and backlight node | From | Matthias Brugger <> | Date | Fri, 27 Nov 2020 12:20:36 +0100 |
| |
On 25/11/2020 11:24, Enric Balletbo i Serra wrote: > Hi Hsin-Yi, > > Thank you for your patch. > > On 24/11/20 5:12, Hsin-Yi Wang wrote: >> Add pwm to mt8183 and backlight to mt8183-kukui. >> >> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> >> --- > > Picked the patch and checked that pwm for the backlight is working as expected > on my Lenovo Ideapad Duet. > > Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> >
Applied to v5.10-next/dts64
Thanks!
>> .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 28 +++++++++++++++++++ >> arch/arm64/boot/dts/mediatek/mt8183.dtsi | 10 +++++++ >> 2 files changed, 38 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> index 85f7c33ba4461..bf2ad1294dd30 100644 >> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi >> @@ -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"; >> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi >> index 08a914d3a6435..a974bad899365 100644 >> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi >> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi >> @@ -479,6 +479,16 @@ 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>, >>
|  |