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.
next prev parent 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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