linux-kernel - Re: [RFC] ARM: davinci: da850: add a few pinmux definitions

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Date:	Thu, 25 Jul 2013 15:14:23 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
CC:	<davinci-linux-open-source@...ux.davincidsp.com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Russell King <linux@....linux.org.uk>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <kernel@...oirfairelinux.com>
Subject: Re: [RFC] ARM: davinci: da850: add a few pinmux definitions

Hi Vivien,

On Wednesday 24 July 2013 01:43 AM, Vivien Didelot wrote:
> This patch adds some pinmux definitions that we needed, such as SPI0,
> SPI1 and some GPIO.
> 
> Note: I sent the patch as an RFC because I would like a confirmation for the
> appropriate name for SPI*_SCS* and EMA_A_RW pinmuxes.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Why do you need to add these definitions? If it is for a new platform
you are working on, then it should be supported using DT, in which case
we use the pinctrl-single driver and define the muxing needed in
.dts/.dtsi files.

Thanks,
Sekhar

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