Re: [PATCH v3 1/2] dt-bindings: media: i2c: add aptina,mt9m113

From: Sakari Ailus

Date: Fri Jun 05 2026 - 08:55:18 EST


Hi Herman,

On Fri, Jun 05, 2026 at 09:03:00AM +0200, Herman van Hazendonk via B4 Relay wrote:
> From: Herman van Hazendonk <github.com@xxxxxxxxxx>
>
> Add the binding for the Aptina (now ON Semiconductor) MT9M113 1.3
> megapixel SoC image sensor with on-die ISP. The chip is used as the
> front (user-facing) camera on the HP TouchPad tablet and connects
> to the host SoC over MIPI CSI-2.
>
> The binding describes the chip's i2c address, optional reset and
> standby GPIOs, the per-supply regulators (VDD, VDD_IO, VDDA), the
> external clock input, and the CSI-2 endpoint pads exposed via the
> "port" subnode.
>
> Signed-off-by: Herman van Hazendonk <github.com@xxxxxxxxxx>
> ---
> .../bindings/media/i2c/aptina,mt9m113.yaml | 127 +++++++++++++++++++++
> 1 file changed, 127 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/i2c/aptina,mt9m113.yaml b/Documentation/devicetree/bindings/media/i2c/aptina,mt9m113.yaml
> new file mode 100644
> index 000000000000..7fa7cb2fedf9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/aptina,mt9m113.yaml
> @@ -0,0 +1,127 @@

...

> + port:
> + $ref: /schemas/graph.yaml#/$defs/port-base
> + additionalProperties: false
> +
> + properties:
> + endpoint:
> + $ref: /schemas/media/video-interfaces.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + bus-type:
> + const: 4
> + description: MIPI CSI-2 D-PHY
> +
> + link-frequencies: true
> + remote-endpoint: true
> + data-lanes:
> + minItems: 1
> + maxItems: 1

If the maximum number of lanes is 1, the data-lanes property is redundant.
Please drop it.

--
Kind regards,

Sakari Ailus