linux-kernel - Re: [PATCH v3 0/3] i2c: designware: select gpio/default pin when prepare/unprepare recovery

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Message-ID: <20180917113121.3a885957@xhacker.debian>
Date:   Mon, 17 Sep 2018 11:31:34 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        <linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v3 0/3] i2c: designware: select gpio/default pin when
 prepare/unprepare recovery

+ DT maintainers

On Mon, 17 Sep 2018 11:26:33 +0800
Jisheng Zhang <Jisheng.Zhang@...aptics.com> wrote:

> On some platforms, the sda/scl pins are muxed with gpio functions, so
> they could be used for recovery. Select the gpio/default pin function
> when prepare/unprepare recovery.
> 
> patch1 adds the missing scl-gpios, sda-gpios properties binding doc.
> patch2 adds the pintrl property for i2c bus recovery.
> patch3 selects gpio/default pin when prepare/unprepare recovery.
> 
> Since v2:
>  - add missing property dt-binding
> 
> Since v1:
>  - use IS_ERR_OR_NULL
> 
> Jisheng Zhang (3):
>   dt-bindings: i2c: designware: add optional gpio recovery properties
>   dt-bindings: i2c: designware: add optional pinctrl for bus recovery
>   i2c: designware: select gpio/default pin when prepare/unprepare
>     recovery
> 
>  .../bindings/i2c/i2c-designware.txt           | 12 ++++++++++
>  drivers/i2c/busses/i2c-designware-core.h      |  3 +++
>  drivers/i2c/busses/i2c-designware-master.c    | 22 +++++++++++++++++++
>  3 files changed, 37 insertions(+)
>