From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Wolfram Sang <wsa@the-dreams.de>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Linux-sh list <linux-sh@vger.kernel.org>,
Linux I2C <linux-i2c@vger.kernel.org>
Subject: Re: ARM: shmobile: "i2c<m>" vs. "iic<n>" DT nodes and pinmux
Date: Fri, 22 Aug 2014 01:32:24 +0400 [thread overview]
Message-ID: <53F66568.6030709@cogentembedded.com> (raw)
In-Reply-To: <53F643F1.9060409@cogentembedded.com>
Hello.
On 08/21/2014 11:09 PM, Sergei Shtylyov wrote:
>> "iic<n>", with DT aliases from "i2c<m>" to the "iic<n>" DT nodes.
>> On r8a7791, DT device nodes and C/DT pinmux data for IIC<n> are called
>> "i2c<m>", with DT aliases from "i2c<m>" to the "i2c<m>" DT nodes.
>> In light of the proliferation of other members of the R-Car Gen 2 families, is
>> there a plan to make this consistent?
> I can probably look at this since the SH-Mobile driver (and/or hardware?)
> is clearly of better quality than R-Car one: I'm constantly getting -ENXIO and
> -EBUSY from the latter trying to read images from ADV7180 I2C video decoder.
Indeed, on Lager reading from the same chip seems to work flawlessy.
However, I was too optimistic about R8A7791: it doesn't have IIC controller
matching I2C2. :-/
So the only thing I can do is to fix inconsistent labels in
R8A7791/Koelsch DTs if Wolfram won't beat me to it.
WBR, Sergei
WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Wolfram Sang <wsa@the-dreams.de>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Linux-sh list <linux-sh@vger.kernel.org>,
Linux I2C <linux-i2c@vger.kernel.org>
Subject: Re: ARM: shmobile: "i2c<m>" vs. "iic<n>" DT nodes and pinmux
Date: Thu, 21 Aug 2014 21:32:24 +0000 [thread overview]
Message-ID: <53F66568.6030709@cogentembedded.com> (raw)
In-Reply-To: <53F643F1.9060409@cogentembedded.com>
Hello.
On 08/21/2014 11:09 PM, Sergei Shtylyov wrote:
>> "iic<n>", with DT aliases from "i2c<m>" to the "iic<n>" DT nodes.
>> On r8a7791, DT device nodes and C/DT pinmux data for IIC<n> are called
>> "i2c<m>", with DT aliases from "i2c<m>" to the "i2c<m>" DT nodes.
>> In light of the proliferation of other members of the R-Car Gen 2 families, is
>> there a plan to make this consistent?
> I can probably look at this since the SH-Mobile driver (and/or hardware?)
> is clearly of better quality than R-Car one: I'm constantly getting -ENXIO and
> -EBUSY from the latter trying to read images from ADV7180 I2C video decoder.
Indeed, on Lager reading from the same chip seems to work flawlessy.
However, I was too optimistic about R8A7791: it doesn't have IIC controller
matching I2C2. :-/
So the only thing I can do is to fix inconsistent labels in
R8A7791/Koelsch DTs if Wolfram won't beat me to it.
WBR, Sergei
next prev parent reply other threads:[~2014-08-21 21:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-12 13:11 ARM: shmobile: "i2c<m>" vs. "iic<n>" DT nodes and pinmux Geert Uytterhoeven
2014-08-12 13:11 ` Geert Uytterhoeven
2014-08-12 21:43 ` Wolfram Sang
2014-08-12 21:43 ` Wolfram Sang
2014-08-12 21:47 ` Wolfram Sang
2014-08-12 21:47 ` Wolfram Sang
2014-08-13 7:19 ` Geert Uytterhoeven
2014-08-13 7:19 ` Geert Uytterhoeven
[not found] ` <CAMuHMdVVKOS=o-KSx1q05y_sRx5RcOMiUg8mN4fGM=UyGv1uog-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-29 10:20 ` Wolfram Sang
2014-08-29 10:20 ` Wolfram Sang
[not found] ` <CAMuHMdWqnMZQcRURufCxiGpbkK7ocjH8KnECxdWVPcxN-68J4g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-21 19:09 ` Sergei Shtylyov
2014-08-21 19:09 ` Sergei Shtylyov
2014-08-21 21:32 ` Sergei Shtylyov [this message]
2014-08-21 21:32 ` Sergei Shtylyov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=53F66568.6030709@cogentembedded.com \
--to=sergei.shtylyov@cogentembedded.com \
--cc=geert@linux-m68k.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linus.walleij@linaro.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-sh@vger.kernel.org \
--cc=wsa@the-dreams.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.