[PATCH RESEND v4 1/3] dt-bindings: lcdif: Document a imx6sx-lcdif fallback

[Fabio Estevam]

Hi Liu,

On Tue, Oct 14, 2025 at 1:12 AM Liu Ying <victor.liu at nxp.com> wrote:

> Strictly speaking, I don't think i.MX6SX LCDIF is compatible with i.MX28 LCDIF
> because at least i.MX28 LCDIF has the version and debug{0,1,2} registers(at
> 0x1c0, 0x1d0, 0x1e0 and 0x1f0) while i.MX6SX LCDIF hasn't.

There are some DT users, such as Barebox that matches against
fsl,imx28-lcdif, so we cannot remove it.

In my first attempt,  I tried removing it:

https://lore.kernel.org/linux-devicetree/20241028180844.154349-2-festevam@gmail.com/

but this was rejected due to potential dtb compatibility breakage:

https://lore.kernel.org/linux-devicetree/4addc413-dd13-4867-8c49-45539af7b45b@pengutronix.de/