On Thu, Jan 05, 2023 at 06:10:36PM +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@xxxxxxxxxx>
>
> U-Boot's "ethaddr" environment variable is very often used to store
> *base* MAC address. It's used as a base for calculating addresses for
> multiple interfaces. It's done by adding proper values. Actual offsets
> are picked by manufacturers and vary across devices.
>
> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/nvmem/u-boot,env.yaml | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml b/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml
> index cbc5c69fd405..1c139bd689ea 100644
> --- a/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/u-boot,env.yaml
> @@ -50,7 +50,11 @@ properties:
>
> ethaddr:
> type: object
> - description: Ethernet interface's MAC address
> + description:
> + Ethernet interfaces base MAC address. The first argument is an offset.
The 2nd sentence belongs in the '#nvmem-cell-cells' description.
> + properties:
> + "#nvmem-cell-cells":
> + const: 1
>
> additionalProperties: false
>
> @@ -72,6 +76,7 @@ examples:
> reg = <0x40000 0x10000>;
>
> mac: ethaddr {
> + #nvmem-cell-cells = <1>;
> };
> };
> };
> --
> 2.34.1
>
>
