linux-kernel - Re: [PATCH 3/5] i2c: i2c-stm32f7: add driver

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Date:   Thu, 23 Mar 2017 21:40:50 +0100
From:   "M'boumba Cedric Madianga" <cedric.madianga@...il.com>
To:     Wolfram Sang <wsa@...-dreams.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Pierre-Yves MORDRET <pierre-yves.mordret@...com>,
        Russell King <linux@...linux.org.uk>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] i2c: i2c-stm32f7: add driver

Hi Wolfram,

Yes the STM32F7 has a new I2C IP core compared to STM32F4.
The engine, the machine state are very different.
I tried few months ago to write a common driver but it was very very
difficilcut as the 2 IP are not so much things in common.

BR,
Cedric

2017-03-23 21:17 GMT+01:00 Wolfram Sang <wsa@...-dreams.de>:
> On Fri, Mar 17, 2017 at 10:58:56AM +0100, M'boumba Cedric Madianga wrote:
>> This patch adds initial support for the STM32F7 I2C controller.
>>
>> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@...il.com>
>
> So, the STM32F7 has a new I2C IP core compared to STM32F4?
>