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This allows the partition to be exposed as an NVMEM provider and its internal layout to be described. For example, an eMMC boot partition can be used to store device-specific information such as a WiFi MAC address. Signed-off-by: Loic Poulain --- .../devicetree/bindings/mmc/mmc-card.yaml | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-card.yaml b/Documentation/devicetree/bindings/mmc/mmc-card.yaml index a61d6c96df759102f9c1fbfd548b026a77921cae..b21426a49cf1d9aae5b4e8e447b5be11b08c96bf 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-card.yaml +++ b/Documentation/devicetree/bindings/mmc/mmc-card.yaml @@ -40,6 +40,9 @@ patternProperties: contains: const: fixed-partitions + nvmem-layout: + $ref: /schemas/nvmem/layouts/nvmem-layout.yaml + required: - compatible - reg @@ -86,6 +89,27 @@ examples: read-only; }; }; + + partitions-boot2 { + nvmem-layout { + compatible = "fixed-layout"; + + #address-cells = <1>; + #size-cells = <1>; + + mac-addr@4400 { + compatible = "mac-base"; + reg = <0x4400 0x6>; + #nvmem-cell-cells = <1>; + }; + + bd-addr@5400 { + compatible = "mac-base"; + reg = <0x5400 0x6>; + #nvmem-cell-cells = <1>; + }; + }; + }; }; }; -- 2.34.1