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From: Timur Tabi <timur@codeaurora.org>
To: "Westerberg, Mika" <mika.westerberg@intel.com>
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>,
	Linus <linus.walleij@linaro.org>,
	Grant Likely <grant.likely@secretlab.ca>,
	lkml <linux-kernel@vger.kernel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support
Date: Wed, 23 Apr 2014 10:14:20 -0500	[thread overview]
Message-ID: <5357D8CC.3080501@codeaurora.org> (raw)
In-Reply-To: <20140423135915.GY30677@intel.com>

Westerberg, Mika wrote:
> It doesn't do any pin control nor muxing and I'm not sure if it is
> required. Can you elaborate why you think pin muxing is required with
> GpioIo/GpioInt resources?

How are the pin muxes normally configured in ACPI?  All of our GPIOs 
have a pinmux on them, and so if you want to use the pin for the 
non-default functionality, you need to configure the mux.  Isn't that 
supposed to happen with the through the pinctrl driver?  That is, when 
the kernel parses the ASL, and it seems a command to configure pin #3 to 
function #4, it calls the local pinctrl driver to do that?

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.

  reply	other threads:[~2014-04-23 15:14 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-18 11:33 [PATCH v3 0/1] Pinctrl/gpio driver for Intel Baytrail platforms Mathias Nyman
2013-06-18 11:33 ` [PATCH v3 1/1] pinctrl: add Intel BayTrail GPIO/pinctrl support Mathias Nyman
2013-06-18 15:17   ` Linus Walleij
2013-06-19 10:28     ` Mathias Nyman
2014-04-11 22:54   ` Timur Tabi
2014-04-14  7:52     ` Mathias Nyman
2014-04-14 15:11       ` Timur Tabi
2014-04-15 10:01         ` Mathias Nyman
2014-04-17 16:47           ` Timur Tabi
2014-04-23 11:46             ` Mathias Nyman
2014-04-23 12:07               ` Timur Tabi
2014-04-23 13:59                 ` Westerberg, Mika
2014-04-23 15:14                   ` Timur Tabi [this message]
2014-04-23 22:20                     ` Linus Walleij
2014-04-23 22:54                       ` Timur Tabi
2014-04-24  6:27                       ` Westerberg, Mika
2014-04-24 11:20                         ` Timur Tabi
2014-04-24 11:38                           ` Westerberg, Mika
2014-04-24  6:35                     ` Westerberg, Mika
2014-04-24 11:18                       ` Timur Tabi
2014-04-24 11:58                         ` Westerberg, Mika
2014-04-24 13:29                           ` Linus Walleij
2014-04-24 15:25                           ` Timur Tabi
2014-04-25  7:41                             ` Westerberg, Mika
2014-04-25 10:36                               ` Linus Walleij
2014-04-25 16:13                               ` Timur Tabi
2014-04-25 16:21                                 ` Rafael J. Wysocki
2014-04-25 16:31                                   ` Timur Tabi
2014-05-02 22:31                                     ` Linus Walleij
2014-04-23 22:17     ` Linus Walleij

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