linux-kernel - Re: [PATCH net-next v2 1/2] dt-bindings: net: dp83822: Add support for GPIO2 clock output

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Message-ID: <3e99f80a-a051-4b8a-b086-ff8d949b5417@kernel.org>
Date: Wed, 11 Dec 2024 14:40:51 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Dimitri Fedrau <dima.fedrau@...il.com>
Cc: Dimitri Fedrau <dimitri.fedrau@...bherr.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Andrew Davis <afd@...com>,
 Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
 Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 1/2] dt-bindings: net: dp83822: Add support
 for GPIO2 clock output

On 11/12/2024 11:51, Dimitri Fedrau wrote:
>>> +
>>> +/* IO_MUX_GPIO_CTRL - Clock source selection */
>>> +#define DP83822_CLK_SRC_MAC_IF			0x0
>>> +#define DP83822_CLK_SRC_XI			0x1
>>> +#define DP83822_CLK_SRC_INT_REF			0x2
>>> +#define DP83822_CLK_SRC_RMII_MASTER_MODE_REF	0x4
>>> +#define DP83822_CLK_SRC_FREE_RUNNING		0x6
>>> +#define DP83822_CLK_SRC_RECOVERED		0x7
>>
>> These are not really bindings but some register values. Hex numbers
>> indicate that. Don't store register values as bindings, because this
>> is neither necessary nor helping.
>>
> Ok, got it. Have seen similar in <dt-bindings/net/ti-dp83867.h> or
> <dt-bindings/net/ti-dp83869.h>, is it wrong there ?

Yes, it is. Rules were much more relaxed 10 years ago but these were not
even sent for DT review and did not receive any ack/review.
> 
> Best regards,
> Dimitri Fedrau

Best regards,
Krzysztof