lkml.org 
[lkml]   [2020]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] arm64: dts: mt8183: Add pwm and backlight node
From
Date


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>,
>>

\
 
 \ /
  Last update: 2020-11-27 12:21    [W:0.337 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site