Re: [PATCH 4/4] drm/bridge: lontium-lt9611c: Add DSI port selection via DT property

[Dmitry Baryshkov]

On Thu, Jun 11, 2026 at 02:44:59AM +0530, Mohit Dsor wrote:
> Some board designs connect only DSI port B, or both DSI ports A and B,
> to the LT9611C. Add support for a 'lontium,port-select' DT property that
> allows the board DTS to specify which DSI port(s) the chip should use:
> 
>   0 = PORT_SELECT_A  (default, single DSI port A)
>   1 = PORT_SELECT_B  (single DSI port B)
>   2 = PORT_SELECT_AB (dual DSI ports A+B)
> 
> When the property is absent the driver defaults to PORT_SELECT_A (0),
> preserving backward compatibility with existing DTS files.
> 
> The selected port is programmed into the chip via lt9611c_select_port()
> during probe, after the chip ID has been verified.
> 
> Signed-off-by: Mohit Dsor <mohit.dsor@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/bridge/lontium-lt9611c.c | 44 ++++++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 

No, existing LT9611 driver doesn't need extra properties to determine
which ports are being used. So, I gues, your driver doesn't need them
too. Follow the OF graph description and drop the property.

-- 
With best wishes
Dmitry