linux-kernel - Re: [RFC] adp1653: Add device tree bindings for LED controller

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Date:	Sun, 16 Nov 2014 11:09:51 +0100
From:	Andreas Färber <afaerber@...e.de>
To:	Pavel Machek <pavel@....cz>
CC:	pali.rohar@...il.com, sre@...ian.org, sre@...g0.de,
	kernel list <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
	aaro.koskinen@....fi, freemangordon@....bg, bcousson@...libre.com,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	sakari.ailus@....fi, devicetree@...r.kernel.org,
	linux-media@...r.kernel.org
Subject: Re: [RFC] adp1653: Add device tree bindings for LED controller

Hi Pavel,

Am 16.11.2014 um 08:59 schrieb Pavel Machek:
> For device tree people: Yes, I know I'll have to create file in
> documentation, but does the binding below look acceptable?
[...]
> diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
> index 739fcf2..ed0bfc1 100644
> --- a/arch/arm/boot/dts/omap3-n900.dts
> +++ b/arch/arm/boot/dts/omap3-n900.dts
> @@ -553,6 +561,18 @@
>  
>  		ti,usb-charger-detection = <&isp1704>;
>  	};
> +
> +	adp1653: adp1653@30 {

This should probably be led-controller@30 (a generic description not
specific to the model). The label name is fine.

> +		compatible = "ad,adp1653";
> +		reg = <0x30>;
> +
> +		max-flash-timeout-usec = <500000>;
> +		max-flash-intensity-uA    = <320000>;
> +		max-torch-intensity-uA     = <50000>;
> +		max-indicator-intensity-uA = <17500>;
> +
> +		gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; /* Want 88 */

At least to me, the meaning of "Want 88" is not clear - drop or clarify?

> +	};
>  };
>  
>  &i2c3 {
[snip]

Regards,
Andreas

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