linux-kernel - Re: [PATCH 1/3] dt-bindings: i2c: mux: demux-pinctrl: add bindings

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Date:	Thu, 14 Jan 2016 20:03:33 -0600
From:	Rob Herring <robh@...nel.org>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
	linux-sh@...r.kernel.org, Magnus Damm <magnus.damm@...il.com>,
	linux-kernel@...r.kernel.org,
	Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
	Jan Luebbe <jlu@...gutronix.de>
Subject: Re: [PATCH 1/3] dt-bindings: i2c: mux: demux-pinctrl: add bindings

On Wed, Jan 13, 2016 at 03:29:27PM +0100, Wolfram Sang wrote:
> From: Wolfram Sang <wsa+renesas@...g-engineering.com>
> 
> These bindings allow an I2C bus to switch between multiple masters. This
> is not hot-switching because connected I2C slaves will be
> re-instantiated. It is meant to select the best I2C core at runtime once
> the task is known. Example: Prefer i2c-gpio over another I2C core
> because of HW errata affecting your use case.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
>  .../ABI/testing/sysfs-platform-i2c-demux-pinctrl   |  23 ++++
>  .../devicetree/bindings/i2c/i2c-demux-pinctrl.txt  | 136 +++++++++++++++++++++
>  2 files changed, 159 insertions(+)
>  create mode 100644 Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl
>  create mode 100644 Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt

Acked-by: Rob Herring <robh@...nel.org>