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SubjectRe: [PATCH V3 2/3] dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
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On 18/02/2022 07:07, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> NVRAM doesn't have cells at hardcoded addresses. They are stored in
> internal struct (custom & dynamic format). It's still important to
> define relevant cells in DT so NVMEM consumers can reference them.
>
> Update binding to allow including basic cells as NVMEM device subnodes.
>
> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

Applied thanks,

--srini

> ---
> V2: Add children nodes description per Rob's request
> V3: Document NVMEM cells as properties
> ---
> .../devicetree/bindings/nvmem/brcm,nvram.yaml | 25 +++++++++++++++++--
> 1 file changed, 23 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml
> index 8c3f0cd22821..25033de3ef6b 100644
> --- a/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml
> @@ -14,6 +14,8 @@ description: |
> NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
> devices usiong I/O mapped memory.
>
> + NVRAM variables can be defined as NVMEM device subnodes.
> +
> maintainers:
> - Rafał Miłecki <rafal@milecki.pl>
>
> @@ -27,11 +29,30 @@ properties:
> reg:
> maxItems: 1
>
> + board_id:
> + type: object
> + description: Board identification name
> +
> + et0macaddr:
> + type: object
> + description: First Ethernet interface's MAC address
> +
> + et1macaddr:
> + type: object
> + description: Second Ethernet interface's MAC address
> +
> + et2macaddr:
> + type: object
> + description: Third Ethernet interface's MAC address
> +
> unevaluatedProperties: false
>
> examples:
> - |
> nvram@1eff0000 {
> - compatible = "brcm,nvram";
> - reg = <0x1eff0000 0x10000>;
> + compatible = "brcm,nvram";
> + reg = <0x1eff0000 0x10000>;
> +
> + mac: et0macaddr {
> + };
> };

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