[PATCH v2 3/7] dt-bindings: display: mxsfb: Add a bus-width endpoint property

[Marek Vasut]

On 10/7/20 3:24 AM, Laurent Pinchart wrote:

[...]

> +          bus-width:
> +            enum: [16, 18, 24]
> +            description: |
> +              The output bus width. This value overrides the configuration
> +              derived from the connected device (encoder or panel). It should
> +              only be specified when PCB routing of the data signals require a
> +              different bus width on the LCDIF and the connected device. For
> +              instance, when a 18-bit RGB panel has its R[5:0], G[5:0] and
> +              B[5:0] signals connected to LCD_DATA[7:2], LCD_DATA[15:10] and
> +              LCD_DATA[23:18] instead of LCD_DATA[5:0], LCD_DATA[11:6] and
> +              LCD_DATA[17:12], bus-width should be set to 24.

The iMX6 IPUv3 uses interface-pix-fmt which is a bit more flexible, but
I'm not sure whether it's the right way to go about this, see:
Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt