From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-pwm@vger.kernel.org
Subject: Re: [PATCH] pwm-pca9685: Allow any of the 16 PWMs to be used as a GPIO
Date: Wed, 19 Oct 2016 21:56:38 +0300 [thread overview]
Message-ID: <20161019185638.GP1722@lahna.fi.intel.com> (raw)
In-Reply-To: <20160920144056.130104-1-mika.westerberg@linux.intel.com>
On Tue, Sep 20, 2016 at 05:40:56PM +0300, Mika Westerberg wrote:
> The PCA9685 controller has full on/off bit for each PWM channel. Setting
> this bit bypasses the PWM control and the line works just as it would be a
> GPIO. Furthermore in Intel Galileo it is actually used as GPIO output for
> discreet muxes on the board.
>
> This patch adds GPIO output only support for the driver so that we can
> control the muxes on Galileo using standard GPIO interfaces available in
> the kernel. GPIO and PWM functionality is exclusive so only one can be
> active at a time on a single PWM channel.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Thierry,
Any comments on this?
next prev parent reply other threads:[~2016-10-19 18:56 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-20 14:40 [PATCH] pwm-pca9685: Allow any of the 16 PWMs to be used as a GPIO Mika Westerberg
2016-09-20 21:46 ` Linus Walleij
2016-10-19 18:56 ` Mika Westerberg [this message]
2016-10-19 20:05 ` Clemens Gruber
2016-10-19 20:28 ` Mika Westerberg
2016-10-19 22:59 ` Clemens Gruber
2016-10-20 8:07 ` Mika Westerberg
2016-10-20 10:45 ` Thierry Reding
2016-10-20 11:18 ` Mika Westerberg
2016-10-20 12:51 ` Thierry Reding
2016-10-20 12:56 ` Andy Shevchenko
2016-10-20 13:01 ` Mika Westerberg
2016-10-20 21:50 ` Thierry Reding
2016-10-21 12:23 ` Mika Westerberg
2016-10-31 11:42 ` Mika Westerberg
2016-12-01 7:28 ` Mika Westerberg
2016-10-20 13:08 ` Clemens Gruber
2016-10-20 21:52 ` Thierry Reding
2016-10-23 10:23 ` Linus Walleij
2017-01-18 10:41 ` Thierry Reding
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