From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: ARM: shmobile: "i2c" vs. "iic" DT nodes and pinmux Date: Fri, 22 Aug 2014 01:32:24 +0400 Message-ID: <53F66568.6030709@cogentembedded.com> References: <53F643F1.9060409@cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <53F643F1.9060409@cogentembedded.com> Sender: linux-sh-owner@vger.kernel.org To: Geert Uytterhoeven , Wolfram Sang , Laurent Pinchart Cc: Linus Walleij , Linux-sh list , Linux I2C List-Id: linux-i2c@vger.kernel.org Hello. On 08/21/2014 11:09 PM, Sergei Shtylyov wrote: >> "iic", with DT aliases from "i2c" to the "iic" DT nodes. >> On r8a7791, DT device nodes and C/DT pinmux data for IIC are called >> "i2c", with DT aliases from "i2c" to the "i2c" 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