linux-kernel - Re: [PATCH 1/2] dt-binding: bcm43xx-fmac: add optional brcm,ccode-map

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Message-ID: <20210409184606.GA3937918@robh.at.kernel.org>
Date:   Fri, 9 Apr 2021 13:46:06 -0500
From:   Rob Herring <robh@...nel.org>
To:     Shawn Guo <shawn.guo@...aro.org>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        Rafał Miłecki <rafal@...ecki.pl>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
        Wright Feng <wright.feng@...ineon.com>,
        Chung-hsien Hsu <chung-hsien.hsu@...ineon.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com
Subject: Re: [PATCH 1/2] dt-binding: bcm43xx-fmac: add optional brcm,ccode-map

On Thu, Apr 08, 2021 at 07:30:21PM +0800, Shawn Guo wrote:
> Add optional brcm,ccode-map property to support translation from ISO3166
> country code to brcmfmac firmware country code and revision.
> 
> Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
> ---
>  .../devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt | 7 +++++++
>  1 file changed, 7 insertions(+)

Can you convert this to schema first.

> 
> diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
> index cffb2d6876e3..a65ac4384c04 100644
> --- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
> +++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt
> @@ -15,6 +15,12 @@ Optional properties:
>  	When not specified the device will use in-band SDIO interrupts.
>   - interrupt-names : name of the out-of-band interrupt, which must be set
>  	to "host-wake".
> + - brcm,ccode-map : multiple strings for translating ISO3166 country code to
> +	brcmfmac firmware country code and revision.  Each string must be in
> +	format "AA-BB-num" where:
> +	  AA is the ISO3166 country code which must be 2 characters.
> +	  BB is the firmware country code which must be 2 characters.
> +	  num is the revision number which must fit into signed integer.

Signed? So "AA-BB--num"?

You should be able to do something like:

items:
  pattern: '^[A-Z][A-Z]-[A-Z][A-Z]-[0-9]+$'

>  
>  Example:
>  
> @@ -34,5 +40,6 @@ mmc3: mmc@...2000 {
>  		interrupt-parent = <&pio>;
>  		interrupts = <10 8>; /* PH10 / EINT10 */
>  		interrupt-names = "host-wake";
> +		brcm,ccode-map = "JP-JP-78", "US-Q2-86";
>  	};
>  };
> -- 
> 2.17.1
>