From: Felipe Balbi <balbi@ti.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: David Cohen <david.a.cohen@linux.intel.com>,
Robert Baldyga <r.baldyga@samsung.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
<baolu.lu@linux.intel.com>, Felipe Balbi <balbi@ti.com>
Subject: Re: [PATCH v2] extcon: otg_gpio: add driver for USB OTG port controlled by GPIO(s)
Date: Mon, 9 Mar 2015 11:16:08 -0500 [thread overview]
Message-ID: <20150309161608.GF3739@saruman.tx.rr.com> (raw)
In-Reply-To: <CACRpkdYq2oDewDKfcv9H_2Sio+s6R5H-4GugYTwA0+=-xqn3ZQ@mail.gmail.com>
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On Sat, Mar 07, 2015 at 09:06:22PM +0100, Linus Walleij wrote:
> On Fri, Feb 20, 2015 at 8:17 PM, David Cohen
> <david.a.cohen@linux.intel.com> wrote:
> > On Fri, Feb 20, 2015 at 10:53:44AM +0100, Linus Walleij wrote:
>
> >> I would put this adjacent to the phy driver somewhere in drivers/usb/*
> >> and make the actual USB-driver thing handle its GPIOs directly.
> >> But I guess David and Felipe have already discussed that as we're
> >> seeing this patch?
> >
> > - The mux functions would be controlled by a possible new pinctrl-gpio
> > driver (Linus, your input here would be nice :)
>
> I don't understand what this means, does it mean a pin control function
> somewhere else controlled by a GPIO pin?
>
> Or do you mean a new combined pin control and GPIO driver (we have
> plenty of these).
>
> If you elaborate on what you need to do in that driver I might
> understand it better.
there's a discrete mux (not something integrated in the SoC) whose
select signal is tied to a GPIO (in some cases, more than one, but
usually people use 2-state muxes).
--
balbi
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next prev parent reply other threads:[~2015-03-09 16:16 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 22:43 [RFC/PATCH] extcon: otg_gpio: add driver for USB OTG port controlled by GPIO(s) David Cohen
2014-12-23 1:25 ` Peter Chen
2014-12-23 19:40 ` David Cohen
2014-12-24 3:08 ` Peter Chen
2014-12-24 22:46 ` David Cohen
2014-12-23 13:10 ` Sergei Shtylyov
2014-12-23 19:57 ` David Cohen
2014-12-23 20:09 ` Sergei Shtylyov
2014-12-23 20:43 ` David Cohen
2014-12-24 0:29 ` Felipe Balbi
2014-12-24 22:43 ` David Cohen
2014-12-26 4:49 ` Felipe Balbi
2015-02-17 19:18 ` David Cohen
2015-02-17 19:25 ` Felipe Balbi
2015-02-17 19:35 ` David Cohen
2015-02-18 10:17 ` Mika Westerberg
2015-02-18 17:53 ` David Cohen
2015-01-08 19:23 ` Linus Walleij
2015-02-17 19:20 ` David Cohen
2015-02-19 19:59 ` [PATCH v2] " David Cohen
2015-02-19 22:39 ` Paul Bolle
2015-02-20 19:02 ` David Cohen
2015-02-20 19:09 ` Felipe Balbi
2015-02-20 19:18 ` David Cohen
2015-02-20 19:10 ` Paul Bolle
2015-02-20 19:18 ` David Cohen
2015-02-20 6:41 ` Robert Baldyga
2015-02-20 9:53 ` Linus Walleij
2015-02-20 19:17 ` David Cohen
2015-02-20 19:36 ` Felipe Balbi
2015-02-20 19:59 ` David Cohen
2015-02-20 20:00 ` Felipe Balbi
2015-02-20 20:40 ` David Cohen
2015-03-07 20:03 ` Linus Walleij
2015-02-24 19:18 ` David Cohen
2015-03-07 20:06 ` Linus Walleij
2015-03-09 16:16 ` Felipe Balbi [this message]
2015-03-09 19:10 ` David Cohen
2015-03-16 16:46 ` David Cohen
2015-03-16 16:46 ` David Cohen
2015-03-19 8:18 ` Linus Walleij
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