linux-kernel - Re: [PATCH V4] gpio: palmas: add dt support

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Message-ID: <CACRpkdaemxzMmenWVN6H3Bq2O-_AB2Qb0Oj+xBOwhscr2_VGTA@mail.gmail.com>
Date:	Mon, 29 Jul 2013 18:15:42 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	kishon@...com, j-keerthy@...com,
	Graeme Gregory <gg@...mlogic.co.uk>,
	Stephen Warren <swarren@...dia.com>
Subject: Re: [PATCH V4] gpio: palmas: add dt support

On Tue, Jul 23, 2013 at 9:36 AM, Laxman Dewangan <ldewangan@...dia.com> wrote:

> Add of_device_id table for Palma GPIO to be enable the
> driver from DT file.
>
> The driver can be registered from DT file as:
>         palmas: tps65913@58 {
>                 :::::::::::
>                 palmas_gpio: palmas_gpio {
>                         compatible = "ti,palmas-gpio";
>                         gpio-controller;
>                         #gpio-cells = <2>;
>                 };
>         };
>
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> ---
> Long back, I sent the similar patch but it was paused due to the DT binding.
> http://lkml.indiana.edu/hypermail/linux/kernel/1304.2/00261.html
>
> Now, PMIC DT binding is already finalised and as per mfd binding, we can
> go ahead with similar approach for gpios. pmic and other palams sub devices
> are already following the same approach.
>
> Sending 3rd version of the change which is same as per code is related but
> adding devicetree binding document for gpio also at this time.
>
> Changes from V3:
> - Added description in DT binding document for second arg of gpio cells.

Patch applied with Stephen's ACK.

Yours,
Linus Walleij
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