[PATCH v5 6/7] ARM: dts: microchip: sama5d27_wlsom1: read MAC address from QSPI SFDP

Linus Walleij linusw at kernel.org
Tue Jul 21 00:49:36 PDT 2026


On Tue, Jul 21, 2026 at 7:30 AM Manikandan Muralidharan
<manikandan.m at microchip.com> wrote:

> Describe the QSPI flash SFDP as an NVMEM provider with the
> microchip,sst26vf-sfdp-eui layout, which exposes the factory-programmed
> EUI-48 as a "mac-address" cell, and point macb0 at it through
> nvmem-cells. This yields a stable MAC address on boards where U-Boot does
> not program one, instead of falling back to a random address.
>
> Signed-off-by: Manikandan Muralidharan <manikandan.m at microchip.com>

Reviewed-by: Linus Walleij <linusw at kernel.org>

Yours,
Linus Walleij



More information about the linux-mtd mailing list