| Message ID | 20230111073102.8147-5-zajec5@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [V2,1/6] nvmem: core: add nvmem_dev_size() helper | expand |
On Wed, 11 Jan 2023 08:31:01 +0100, Rafał Miłecki wrote: > From: Rafał Miłecki <rafal@milecki.pl> > > 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@milecki.pl> > --- > .../devicetree/bindings/nvmem/layouts/u-boot,env.yaml | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/nvmem/layouts/u-boot,env.yaml b/Documentation/devicetree/bindings/nvmem/layouts/u-boot,env.yaml index fb273b174fe7..dbff702f2e5d 100644 --- a/Documentation/devicetree/bindings/nvmem/layouts/u-boot,env.yaml +++ b/Documentation/devicetree/bindings/nvmem/layouts/u-boot,env.yaml @@ -45,7 +45,11 @@ properties: ethaddr: type: object - description: Ethernet interface's MAC address + description: Ethernet interfaces base MAC address. + properties: + "#nvmem-cell-cells": + description: The first argument is a MAC address offset. + const: 1 additionalProperties: false @@ -69,6 +73,7 @@ examples: compatible = "u-boot,env"; mac: ethaddr { + #nvmem-cell-cells = <1>; }; }; };