[PATCH v4 1/1] arm64: dts: freescale: add pixpaper display overlay for i.MX93 FRDM

Frank Li Frank.li at nxp.com
Wed Feb 25 07:15:14 PST 2026


On Wed, Feb 25, 2026 at 10:11:02PM +0800, Wig Cheng wrote:
> >
> > arch/arm64/boot/dts/freescale/imx93-11x11-frdm-pixpaper.dtb: display at 0 (mayqueen,pixpaper): spi-max-frequency: 5000000 is greater than the maximum of 1000000
> >         from schema $id: http://devicetree.org/schemas/display/mayqueen,pixpaper.yaml
> >
> > Does 1000000 work for spi-max-frequency? or need update binding doc?
> >
>
> Both 1MHz and 5MHz work on i.MX93. I chose 5MHz for better refresh
> performance, which is within the LPSPI3 controller's capabilities.
> The 1MHz limit in the binding is a conservative generic value I think.

Okay, let change to 1Mhz first. we will update it after updated binding
doc.

Frank
>
> Thanks,
> Wig



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