linux-kernel - Re: [PATCH v1 2/3] ARM: dts: imx6q-apalis-ixora: Remove use of pwm-leds

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Date:   Fri, 16 Sep 2016 13:38:45 +0000
From:   Marcel Ziswiler <marcel.ziswiler@...adex.com>
To:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "maitysanchayan@...il.com" <maitysanchayan@...il.com>
CC:     "stefan@...er.ch" <stefan@...er.ch>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v1 2/3] ARM: dts: imx6q-apalis-ixora: Remove use of
 pwm-leds

On Wed, 2016-09-14 at 12:05 +0530, Sanchayan Maity wrote:
> Remove use of pwm-leds and use the standard /sys/class/pwm
> interface from PWM subsystem.
> 
> Signed-off-by: Sanchayan Maity <maitysanchayan@...il.com>

Acked-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>

> ---
>  arch/arm/boot/dts/imx6q-apalis-ixora.dts | 22 ----------------------
>  1 file changed, 22 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> index d99979e..70a3da0 100644
> --- a/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> +++ b/arch/arm/boot/dts/imx6q-apalis-ixora.dts
> @@ -146,28 +146,6 @@
>  			gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
>  		};
>  	};
> -
> -	pwmleds {
> -		compatible = "pwm-leds";
> -
> -		ledpwm1 {
> -			label = "PWM1";
> -			pwms = <&pwm1 0 50000>;
> -			max-brightness = <255>;
> -		};
> -
> -		ledpwm2 {
> -			label = "PWM2";
> -			pwms = <&pwm2 0 50000>;
> -			max-brightness = <255>;
> -		};
> -
> -		ledpwm3 {
> -			label = "PWM3";
> -			pwms = <&pwm3 0 50000>;
> -			max-brightness = <255>;
> -		};
> -	};
>  };
>  
>  &backlight {

Tested working fine analogous to what we documented for Vybrid:

http://developer.toradex.com/knowledge-base/pwm-(linux)#Colibri_VFxx