[PATCH 8/9] arm: dts: imx8mm_evk: add pwm1/backlight support

[Michael Walle]

> Add pwm1/backlight support nodes for imx8mm_evk board
> 
> Signed-off-by: Tommaso Merciai <tommaso.merciai at amarulasolutions.com>
> ---
>  arch/arm/dts/imx8mm-evk.dtsi | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm/dts/imx8mm-evk.dtsi b/arch/arm/dts/imx8mm-evk.dtsi
> index 60179e006d..e7a2bd8a64 100644
> --- a/arch/arm/dts/imx8mm-evk.dtsi
> +++ b/arch/arm/dts/imx8mm-evk.dtsi
> @@ -41,6 +41,15 @@
>  		enable-active-high;
>  	};
>  
> +	backlight: backlight {
> +		status = "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>;
> @@ -350,6 +359,12 @@
>  	status = "okay";
>  };
>  
> +&pwm1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_backlight>;
> +	status = "disabled";
> +};
> +
>  &iomuxc {
>  	pinctrl_fec1: fec1grp {
>  		fsl,pins = <
> @@ -491,4 +506,10 @@
>  			MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B	0x166
>  		>;
>  	};
> +
> +	pinctrl_backlight: backlightgrp {
> +		fsl,pins = <
> +			MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT	0x06
> +		>;
> +	};

Will this also be submitted to upstream linux? Otherwise, the device
trees will diverge.

-michael