Re: [PATCH v6 1/7] dt-bindings: mtd: jedec,spi-nor: allow the SFDP to be exposed via NVMEM

From: Rob Herring

Date: Mon Aug 10 2026 - 14:03:48 EST


On Wed, Jul 29, 2026 at 10:00:20AM +0530, Manikandan Muralidharan wrote:
> Add an optional "sfdp" child node (compatible "jedec,sfdp") that
> describes the SFDP as a read-only NVMEM provider via nvmem.yaml, so its
> contents (e.g. a vendor EUI-48/EUI-64) can be read through NVMEM cells.
>
> Reviewed-by: Linus Walleij <linusw@xxxxxxxxxx>
> Signed-off-by: Manikandan Muralidharan <manikandan.m@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/mtd/jedec,spi-nor.yaml | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> index 587af4968255..98fd954598ab 100644
> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> @@ -103,6 +103,20 @@ properties:
> spi-cpol: true
> spi-cpha: true
>
> + sfdp:
> + $ref: /schemas/nvmem/nvmem.yaml#
> + unevaluatedProperties: false
> + description:
> + The Serial Flash Discoverable Parameters (SFDP) tables exposed as a
> + read-only NVMEM device. This allows standard or vendor-specific SFDP
> + data (for example a factory-programmed EUI-48/EUI-64 identifier) to be
> + consumed through NVMEM cells.

blank line

> + properties:
> + compatible:
> + const: jedec,sfdp

blank line

With that,

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>