linux-kernel - Re: [PATCH 2/2] drm: adv7511: Add support for i2c_new_secondary

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Date:   Mon, 29 Jan 2018 14:09:23 -0600
From:   Rob Herring <robh@...nel.org>
To:     Kieran Bingham <kieran.bingham@...asonboard.com>
Cc:     linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Jean-Michel Hautbois <jean-michel.hautbois@...alys.com>,
        David Airlie <airlied@...ux.ie>,
        Mark Rutland <mark.rutland@....com>,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        John Stultz <john.stultz@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Bhumika Goyal <bhumirks@...il.com>,
        Inki Dae <inki.dae@...sung.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 2/2] drm: adv7511: Add support for
 i2c_new_secondary_device

On Mon, Jan 22, 2018 at 12:50:01PM +0000, Kieran Bingham wrote:
> The ADV7511 has four 256-byte maps that can be accessed via the main I²C
> ports. Each map has it own I²C address and acts as a standard slave
> device on the I²C bus.
> 
> Allow a device tree node to override the default addresses so that
> address conflicts with other devices on the same bus may be resolved at
> the board description level.
> 
> Signed-off-by: Kieran Bingham <kieran.bingham@...asonboard.com>
> ---
>  .../bindings/display/bridge/adi,adv7511.txt        | 10 +++++-

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

>  drivers/gpu/drm/bridge/adv7511/adv7511.h           |  4 +++
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c       | 36 ++++++++++++++--------
>  3 files changed, 37 insertions(+), 13 deletions(-)