linux-kernel - Re: [PATCH v5 2/4] media: dt-bindings: media: st, stm32-dcmi: add support of BT656 bus

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Message-ID: <20201105222813.GA1915114@bogus>
Date:   Thu, 5 Nov 2020 16:28:13 -0600
From:   Rob Herring <robh@...nel.org>
To:     Hugues Fruchet <hugues.fruchet@...com>
Cc:     Alexandre Torgue <alexandre.torgue@...com>,
        linux-kernel@...r.kernel.org, Alain Volmat <alain.volmat@...com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Yannick Fertre <yannick.fertre@...com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Philippe CORNU <philippe.cornu@...com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: Re: [PATCH v5 2/4] media: dt-bindings: media: st, stm32-dcmi: add
 support of BT656 bus

On Wed, 04 Nov 2020 18:32:10 +0100, Hugues Fruchet wrote:
> Add support of BT656 embedded synchronization bus mode in DCMI driver.
> Add "bus-type" property and make it required so that there is no
> ambiguity between parallel mode (bus-type=5) and BT656 mode (bus-type=6).
> BT656 mode allows to save hardware synchro lines hsync & vsync by replacing
> them with synchro codes embedded in data stream, hence hsync-active &
> vsync-active properties are useless in this mode.
> With DCMI, BT656 bus mode is only compatible with 8 bits width data bus.
> 
> Signed-off-by: Hugues Fruchet <hugues.fruchet@...com>
> ---
>  .../devicetree/bindings/media/st,stm32-dcmi.yaml   | 38 ++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 

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