Re: [PATCH 2/6] ARM: dts: omap4-droid4: Add LCD backlight

[Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

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Hi,

On Sat, Mar 04, 2017 at 09:43:55PM -0800, Tony Lindgren wrote:
> The TI LMU driver has not yet been merged, but the device
> tree binding for TI LMU drivers has been acked already
> earlier by Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>. So it should
> be safe to apply to cut down the number of pending patches.
> 
> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Cc: Marcel Partap <mpartap-hi6Y0CQ0nG0@public.gmane.org>
> Cc: Michael Scott <michael.scott-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
> Cc: Milo Kim <milo.kim-l0cyMroinI0@public.gmane.org>
> Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Cc: Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Signed-off-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>

Tested-By: Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

I had to add https://patchwork.kernel.org/patch/7704601/ in addition
to the patches recently queued into MFD. It would be nice to get that
into 4.12 - @Milo Kim: What's your plan on that patch?

-- Sebastian

> ---
>  arch/arm/boot/dts/omap4-droid4-xt894.dts | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
> --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
> +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
> @@ -180,6 +180,25 @@
>  	};
>  };
>  
> +&i2c1 {
> +	lm3532@38 {
> +		compatible = "ti,lm3532";
> +		reg = <0x38>;
> +
> +		enable-gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>;
> +
> +		backlight {
> +			compatible = "ti,lm3532-backlight";
> +
> +			lcd {
> +				led-sources = <0 1 2>;
> +				ramp-up-msec = <1>;
> +				ramp-down-msec = <0>;
> +			};
> +		};
> +	};
> +};
> +
>  /*
>   * REVISIT: Add gpio173 reset pin handling to the driver, see gpio-hog above.
>   * If the GPIO reset is used, we probably need to have /lib/firmware/maxtouch.fw
> -- 
> 2.11.1

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