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Message-ID: <CACRpkdbUX-s8hM_Gk=XiwUufAzGz479L_t8vg77ek1KwPCKa_Q@mail.gmail.com>
Date: Wed, 11 Jan 2012 10:28:43 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Shawn Guo <shawn.guo@...aro.org>
Cc: Richard Zhao <richard.zhao@...escale.com>,
Richard Zhao <richard.zhao@...aro.org>,
linus.walleij@...ricsson.com, s.hauer@...gutronix.de,
w.sang@...gutronix.de, rob.herring@...xeda.com,
linux-kernel@...r.kernel.org, grant.likely@...retlab.ca,
shawn.guo@...escale.com, kernel@...gutronix.de, cjb@...top.org,
Dong Aisheng <b29396@...escale.com>,
devicetree-discuss@...ts.ozlabs.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH v3 3/5] pinctrl: imx: add pinctrl imx driver
On Tue, Jan 10, 2012 at 2:51 PM, Shawn Guo <shawn.guo@...aro.org> wrote:
> On Tue, Jan 10, 2012 at 11:43:28AM +0100, Linus Walleij wrote:
>> What we need to know right now is what you need from the pin
>> controller core to do that. We have a (custom) pinconf API now,
>> does it fit the bill?
>>
> Hmm, I do not think it fits right away, as I do not think it's sensible
> to have pinctrl client drivers call pin_config_set() directly.
OK that's more or less what Stephen said too so I'm cooking a
config table ala pinmux with string identifiers.
>> I have spent some time on generic pin config, it was not much
>> commented so if it helps you please ACK the patches.
>>
> Since the ARM community is the one who is most interested in pinctrl
> subsystem so far, I guess copying LAKML will help collect more comments
> and various tags. (For example, I'm interested in pinctrl, but I do
> not track LKML as close as I do for LAKML).
True. I'll fix that.
>> Next from discussions with Stpehen I've sort of figured out that
>> we need a config mapping table of sorts and then a means to activate
>> entries of that table at runtime. I'm trying to come up with something
>> for this.
>>
> That's something we are waiting for pinconf being usable for imx.
I'll fix something, please review when it appears!
Thanks,
Linus Walleij
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