linux-kernel - Re: [PATCH 01/21] dt-bindings: microchip: atmel,at91rm9200-tcb: add sam9x60 compatible

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Message-Id: <d95d37f5-5bef-43a9-b319-0bbe0ac366b4@app.fastmail.com>
Date:   Mon, 05 Jun 2023 09:04:49 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>,
        "Varshini Rajendran" <varshini.rajendran@...rochip.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Marc Zyngier" <maz@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org,
        "Conor Dooley" <conor+dt@...nel.org>,
        "Nicolas Ferre" <nicolas.ferre@...rochip.com>,
        "Alexandre Belloni" <alexandre.belloni@...tlin.com>,
        "Claudiu Beznea" <claudiu.beznea@...rochip.com>,
        "David S . Miller" <davem@...emloft.net>,
        "Eric Dumazet" <edumazet@...gle.com>,
        "Jakub Kicinski" <kuba@...nel.org>,
        "Paolo Abeni" <pabeni@...hat.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        "Russell King" <linux@...linux.org.uk>,
        "Michael Turquette" <mturquette@...libre.com>,
        "Stephen Boyd" <sboyd@...nel.org>,
        "Sebastian Reichel" <sre@...nel.org>,
        "Mark Brown" <broonie@...nel.org>,
        "Gregory Clement" <gregory.clement@...tlin.com>,
        "Sudeep Holla" <sudeep.holla@....com>,
        "Balamanikandan Gunasundar" <balamanikandan.gunasundar@...rochip.com>,
        "Mihai.Sain" <mihai.sain@...rochip.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Netdev <netdev@...r.kernel.org>, linux-usb@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-pm@...r.kernel.org
Cc:     Hari.PrasathGE@...rochip.com, cristian.birsan@...rochip.com,
        durai.manickamkr@...rochip.com, manikandan.m@...rochip.com,
        dharma.b@...rochip.com, nayabbasha.sayed@...rochip.com,
        balakrishnan.s@...rochip.com
Subject: Re: [PATCH 01/21] dt-bindings: microchip: atmel,at91rm9200-tcb: add sam9x60
 compatible

On Mon, Jun 5, 2023, at 08:35, Krzysztof Kozlowski wrote:
> On 03/06/2023 22:02, Varshini Rajendran wrote:
>> Add sam9x60 compatible string support in the schema file
>> 
>> Signed-off-by: Varshini Rajendran <varshini.rajendran@...rochip.com>
>> ---
>>  .../devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml  | 1 +
>>  1 file changed, 1 insertion(+)
>> 
>> diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
>> index a46411149571..c70c77a5e8e5 100644
>> --- a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
>> +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml
>> @@ -20,6 +20,7 @@ properties:
>>            - atmel,at91rm9200-tcb
>>            - atmel,at91sam9x5-tcb
>>            - atmel,sama5d2-tcb
>> +          - microchip,sam9x60-tcb
>
> No wildcards.

sam9x60 is the actual name of the chip, it's no wildcard. For sam9x70,
sam9x72 and sam9x75, I think using sam9x7 as the compatible string
is probably fine, as long as they are actually the same chip. Again,
the 'x' in there is not a wildcard but part of the name.

    Arnd