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From: Stephen Warren <swarren@wwwdotorg.org>
To: hanumant <hanumant@codeaurora.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Bjorn Andersson <Bjorn.Andersson@sonymobile.com>,
	"Bird, Tim" <Tim.Bird@sonymobile.com>,
	ext Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH] pinctrl: msm: Add support for MSM TLMM pinmux
Date: Tue, 30 Jul 2013 15:22:39 -0600	[thread overview]
Message-ID: <51F82E9F.9010309@wwwdotorg.org> (raw)
In-Reply-To: <51F82BCC.1080409@codeaurora.org>

On 07/30/2013 03:10 PM, hanumant wrote:
...
> We actually have the same TLMM pinmux used by several socs of a family.
> The number of pins on each soc may vary.
> Also a given soc gets used in a number of boards.
> The device tree for a given soc is split into the different boards that
> its in ie the boards inherit a common soc.dtsi but have separate dts.
> The boards for the same soc may use different pin groups for
> accomplishing a function, since we have multiple i2c, spi uart etc
> peripheral instances on a soc. A different instance of each of the above
> peripherals, can be used in different boards, utilizing different
> or subset of same pin groups.
> Thus I would need to have multiple C files for one soc, based on the
> boards that it goes into.

The pinctrl driver should be exposing the raw capabilities of the HW.
All the board-specific configuration should be expressed in DT. So, the
driver shouldn't have to know anything about different boards at
compile-time.


  reply	other threads:[~2013-07-30 21:22 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-24 21:41 [PATCH] pinctrl: msm: Add support for MSM TLMM pinmux Hanumant Singh
2013-07-29 16:37 ` Linus Walleij
2013-07-29 17:32   ` Stephen Warren
2013-07-30 21:10   ` hanumant
2013-07-30 21:22     ` Stephen Warren [this message]
2013-07-31  0:01       ` Hanumant Singh
2013-07-31  0:08         ` Stephen Warren
2013-07-31  0:13           ` Hanumant Singh
2013-07-31  3:59             ` Stephen Warren
2013-07-31 19:46               ` Hanumant Singh
2013-07-31 21:06                 ` Stephen Warren
2013-08-01  0:17                   ` Hanumant Singh
2013-08-06 23:45                     ` Hanumant Singh
2013-08-07 16:00                       ` Stephen Warren
2013-08-14 19:16                         ` Linus Walleij
2013-07-29 23:39 ` Bjorn Andersson
2013-08-07 18:07   ` Hanumant Singh
2013-08-14 19:29   ` Linus Walleij
2013-08-15 17:44     ` Hanumant Singh
2013-08-15 20:47       ` Linus Walleij
2013-08-15 21:28         ` Hanumant Singh
2013-08-28  8:32           ` Linus Walleij
2013-08-15 21:50       ` Josh Cartwright
2013-08-15 21:58         ` Hanumant Singh
2013-08-15 23:10           ` Josh Cartwright
2013-08-15 23:14             ` Hanumant Singh
  -- strict thread matches above, loose matches on Subject: below --
2013-06-21 21:52 Hanumant Singh
2013-06-24 12:18 ` Linus Walleij
2013-06-25 17:41   ` hanumant
2013-06-27  8:26     ` Linus Walleij
2013-06-27 15:17       ` hanumant

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