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

[Rob Herring]

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 at st.com>
> ---
>  .../devicetree/bindings/media/st,stm32-dcmi.yaml   | 38 ++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 

Reviewed-by: Rob Herring <robh at kernel.org>