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Date: Thu, 28 Jan 2016 16:39:14 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
stefan@...er.ch, kernel@...gutronix.de,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: vf-colibri-eval-v3: Use enable-gpios for BL_ON
On Sat, Jan 09, 2016 at 12:29:53PM +0530, Bhuvanchandra DV wrote:
> Use pwm-backlight driver 'enable-gpios' property for backlight on/off
> control.
>
> Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
> ---
> arch/arm/boot/dts/vf-colibri.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi
> index e5949b9..1c0da05 100644
> --- a/arch/arm/boot/dts/vf-colibri.dtsi
> +++ b/arch/arm/boot/dts/vf-colibri.dtsi
> @@ -10,7 +10,10 @@
> / {
> bl: backlight {
> compatible = "pwm-backlight";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_bl_on>;
> pwms = <&pwm0 0 5000000 0>;
> + enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
> status = "disabled";
> };
> };
> @@ -169,6 +172,12 @@
> >;
> };
>
> + pinctrl_gpio_bl_on: gpio_bl_on {
> + fsl,pins = <
> + VF610_PAD_PTC0__GPIO_45 0x22ef
> + >;
> + };
> +
@Stefan,
Do we need this? My understanding is that on Vybrid, when gpio is
requested, the pinctrl will set it up automatically.
Shawn
> pinctrl_i2c0: i2c0grp {
> fsl,pins = <
> VF610_PAD_PTB14__I2C0_SCL 0x37ff
> --
> 2.7.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
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