On 11.07.22 14:30, Alvin Šipraga wrote:
> From: Alvin Šipraga <alsi@xxxxxxxxxxxxxxx>
>
> The bindings already offer a brcm,ccode-map property to describe the
> mapping between the kernel's ISO3166 alpha 2 country code string and the
> firmware's country code string and revision number. This is a
> board-specific property and determined by the CLM blob firmware provided
> by the hardware vendor.
>
> However, in some cases the firmware will also use ISO3166 country codes
> internally, and the revision will always be zero. This implies a trivial
> mapping: cc -> { cc, 0 }.
>
> For such cases, add an optional property brcm,ccode-map-trivial which
> obviates the need to describe every trivial country code mapping in the
> device tree with the existing brcm,ccode-map property. The new property
> is subordinate to the more explicit brcm,ccode-map property.
>
> Signed-off-by: Alvin Šipraga <alsi@xxxxxxxxxxxxxxx>
Reviewed-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
> ---
> .../bindings/net/wireless/brcm,bcm4329-fmac.yaml | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
> index c11f23b20c4c..53b4153d9bfc 100644
> --- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
> +++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm4329-fmac.yaml
> @@ -75,6 +75,16 @@ properties:
> items:
> pattern: '^[A-Z][A-Z]-[A-Z][0-9A-Z]-[0-9]+$'
>
> + brcm,ccode-map-trivial:
> + description: |
> + Use a trivial mapping of ISO3166 country codes to brcmfmac firmware
> + country code and revision: cc -> { cc, 0 }. In other words, assume that
> + the CLM blob firmware uses ISO3166 country codes as well, and that all
> + revisions are zero. This property is mutually exclusive with
> + brcm,ccode-map. If both properties are specified, then brcm,ccode-map
> + takes precedence.
> + type: boolean
> +
> required:
> - compatible
> - reg
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