[PATCH 3/3] ARM: dts: imx: move nand related property under nand at 0

[Frank Li]

On Wed, Nov 05, 2025 at 12:55:38PM +0100, Francesco Dolcini wrote:
> Hello Frank,
>
> On Tue, Nov 04, 2025 at 05:27:14PM -0500, Frank Li wrote:
> > Add child node nand at 0 and move NAND related property under it to align
> > modern nand-controller.yaml.
> >
> > Fix below CHECK_DTBS warnings:
> >   arch/arm/boot/dts/nxp/imx/imx6ull-colibri-aster.dtb: nand-controller at 1806000 (fsl,imx6q-gpmi-nand): Unevaluated properties are not allowed ('nand-ecc-mode', 'nand-ecc-step-size', 'nand-ecc-strength', 'nand-on-flash-bbt' were unexpected)
> >         from schema $id: http://devicetree.org/schemas/mtd/gpmi-nand.yaml#
> >
> > Since 2019 year, commit
> > (212e496935929 dt-bindings: mtd: Add YAML schemas for the generic NAND options)
> > NAND related property is preferred located under nand@<n> even though only
> > one NAND chip supported.
> >
> > Signed-off-by: Frank Li <Frank.Li at nxp.com>
> > ---
> >  arch/arm/boot/dts/nxp/imx/imx6-logicpd-som.dtsi           |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6qdl-icore.dtsi              |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-pfla02.dtsi      |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6qdl-phytec-phycore-som.dtsi |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6qdl-skov-cpu.dtsi           |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6qdl-tx6.dtsi                |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ul-geam.dts                 |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ul-isiot.dtsi               |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ul-phytec-phycore-som.dtsi  |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ul-tx6ul.dtsi               |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ull-colibri.dtsi            | 12 ++++++++----
> >  arch/arm/boot/dts/nxp/imx/imx6ull-engicam-microgea.dtsi   | 12 ++++++++----
> >  arch/arm/boot/dts/nxp/imx/imx6ull-myir-mys-6ulx.dtsi      |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx6ulz-bsh-smm-m2.dts          |  6 +++++-
> >  arch/arm/boot/dts/nxp/imx/imx7-colibri.dtsi               |  8 ++++++--
> >  15 files changed, 82 insertions(+), 22 deletions(-)
> >
>
> Was any of these changes tested? Is the driver able to cope with the
> binding change?

I have not board to do direct test. This format is used at imx8 platform,
which use the same gpmi driver.

This properties are parsed at mtd common part
drivers/mtd/nand/raw/nand_base.c

If you have one of above board to test it, it will be appericated.

Frank
>
> Francesco
>
>