linux-kernel - Re: [PATCH v3 6/7] Documentation: add the Marvell Berlin pinctrl documentation

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Date:	Thu, 22 May 2014 23:56:23 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Antoine Ténart <antoine.tenart@...e-electrons.com>
Cc:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	zhiming Xu <zmxu@...vell.com>,
	Jisheng Zhang <jszhang@...vell.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 6/7] Documentation: add the Marvell Berlin pinctrl documentation

On Fri, May 16, 2014 at 6:47 PM, Antoine Ténart
<antoine.tenart@...e-electrons.com> wrote:
> Linus,

>> > +sm_pinctrl: pin-controller@0 {
>> > +       compatible = "marvell,berlin2q-sysmgr-pinctrl";
>> > +       reg = <0xfc0000 0x44>;
>> > +
>> > +       uart0_pmux: uart0-pmux {
>> > +               marvell,groups = "GSM12", "GSM13";
>> > +               marvell,function = "uart0";
>> > +       };
>> > +}
>>
>> I feel like ... can't we just standardize that and make it a common
>> pinctrl binding, and name the properties "groups" and "function"
>> for a family of pin controllers just mapping N groups to 1 function?
>>
>> I will merge the patches as are, but maybe we can make it generic
>> on top of this before the merge window?
>
> Do you mean just changing:
>
> s/marvell,groups/groups/
> s/marvell,function/function/
>
> and updating the documentation ?

To the pinctrl.txt document as generic bindings.
Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt

That and maybe moving some of the parsing into the pinctrl-utils.

> If so, I can definitely do that.

No big deal, we're a bit late on it. But if you like the looks of it,
please send a patch like that.

Yours,
Linus Walleij
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