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From: Fabio Estevam <festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Alexandre Belloni
	<alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Grant Likely
	<grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
	brian-ZKiFAVwZFM2FeswfMrDH8w@public.gmane.org,
	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	jimwall@q.com,
	Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Jonathan Cameron <jic23-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>,
	Rob Landley <rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org>,
	Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCHv2 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging
Date: Fri, 21 Jun 2013 19:27:44 -0300	[thread overview]
Message-ID: <CAOMZO5AbZVLH0rxP=iuumrDBxFe5XVGH9qK9PyUdxtucbOHzdg@mail.gmail.com> (raw)
In-Reply-To: <1371754675-12242-3-git-send-email-alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

On Thu, Jun 20, 2013 at 3:57 PM, Alexandre Belloni
<alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> wrote:
> From: Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
>
> The ADCs connected to this bus have been experiencing some timeout
> issues when using the iMX28 i2c controller. Switching back to bitbanging
> solves this.

Could you please investigate this timeout issue?

The I2C timeouts I was having on mx28 when trying to access sgtl5000
codec, was due to the lack
of codec clock.

After I provided the codec clock I am able to use I2C without issues
and just sent a patch for it.

  parent reply	other threads:[~2013-06-21 22:27 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-20 18:57 [PATCHv2 0/3] Add support for the Nuvoton NAU7802 ADC to the cfa10049 Alexandre Belloni
2013-06-20 18:57 ` [PATCHv2 1/3] iio: Add Nuvoton NAU7802 ADC driver Alexandre Belloni
     [not found]   ` <1371754675-12242-2-git-send-email-alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-06-22 11:55     ` Jonathan Cameron
     [not found]       ` <51C590B5.2060308-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2013-06-22 12:02         ` Lars-Peter Clausen
     [not found]           ` <51C5923D.6030609-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2013-06-22 13:07             ` Alexandre Belloni
2013-06-22 13:20               ` Lars-Peter Clausen
2013-06-22 13:28                 ` Alexandre Belloni
2013-06-23 13:54                   ` Lars-Peter Clausen
     [not found]                     ` <51C6FE00.8010900-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2013-06-23 17:33                       ` Jonathan Cameron
2013-06-24  6:41   ` Lars-Peter Clausen
2013-06-24 10:37     ` Alexandre Belloni
     [not found]       ` <51C82169.1010203-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-06-24 16:41         ` Lars-Peter Clausen
2013-06-24 17:26           ` Alexandre Belloni
2013-06-20 18:57 ` [PATCHv2 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging Alexandre Belloni
     [not found]   ` <1371754675-12242-3-git-send-email-alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2013-06-21 22:27     ` Fabio Estevam [this message]
2013-06-20 18:57 ` [PATCHv2 3/3] ARM: mxs: cfa10049: Add NAU7802 ADCs to the device tree Alexandre Belloni

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