Re: [PATCH v1 3/3] ARM: dts: imx6qdl-apalis: Use enable-gpios property for backlight

From: maitysanchayan
Date: Sat Sep 17 2016 - 00:53:54 EST


Hello Marcel,

On 16-09-16 13:38:54, Marcel Ziswiler wrote:
> On Wed, 2016-09-14 at 12:05 +0530, Sanchayan Maity wrote:
> > Use enable-gpios property of PWM backlight driver for backlight
> > control. While at it also fix the use of brightness levels required
> > by EDT displays which require inverted PWM's.
>
> That part I am missing below. Did you forget to include it?

No, actually I missed fixing the commit message. Currently PWM polarity
inversion is not supported and while checking, I kept the brightness
levels as is currently but did not change the commit message.

Will send a v2 and fix this.

Regards,
Sanchayan.

>
> > Signed-off-by: Sanchayan Maity <maitysanchayan@xxxxxxxxx>
> > ---
> > Âarch/arm/boot/dts/imx6qdl-apalis.dtsi | 9 +++++++++
> > Â1 file changed, 9 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
> > b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
> > index 8c67dd8..9100bde 100644
> > --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
> > +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
> > @@ -49,7 +49,10 @@
> > Â
> > Â backlight: backlight {
> > Â compatible = "pwm-backlight";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_gpio_bl_on>;
> > Â pwms = <&pwm4 0 5000000>;
> > + enable-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
> > Â status = "disabled";
> > Â };
> > Â
> > @@ -614,6 +617,12 @@
> > Â >;
> > Â };
> > Â
> > + pinctrl_gpio_bl_on: gpioblon {
> > + fsl,pins = <
> > + MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x1b0b0
> > + >;
> > + };
> > +
> > Â pinctrl_gpio_keys: gpio1io04grp {
> > Â fsl,pins = <
> > Â /* Power button */