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SubjectRe: [PATCH] arm64: dts: imx8mm-evk: add pwm1/backlight support
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On 13/04/2022 12:20, Tommaso Merciai wrote:
> Add pwm1/backlight support nodes for imx8mm_evk board. Align with u-boot
> dts
>
> References:
> - https://patchwork.ozlabs.org/project/uboot/patch/20220326111911.13720-9-tommaso.merciai@amarulasolutions.com/
>
> Signed-off-by: Tommaso Merciai <tommaso.merciai@amarulasolutions.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> index 6d67df7692f1..55566708f667 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> @@ -59,6 +59,15 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
> enable-active-high;
> };
>
> + backlight: backlight {
> + status = "disabled";

Why disabled?

> + compatible = "pwm-backlight";
> + pwms = <&pwm1 0 5000000>;
> + brightness-levels = <0 255>;
> + num-interpolated-steps = <255>;
> + default-brightness-level = <250>;
> + };
> +
> ir-receiver {
> compatible = "gpio-ir-receiver";
> gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
> @@ -395,6 +404,12 @@ &wdog1 {
> status = "okay";
> };
>
> +&pwm1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_backlight>;
> + status = "disabled";

Same here.


Best regards,
Krzysztof

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