linux-kernel - Re: [PATCH v2 1/2] dt-bindings: net: adin: add recovered clock output

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Date: Wed, 24 Jan 2024 16:12:27 +0000
From: Conor Dooley <conor@...nel.org>
To: Fabian Pfitzner <f.pfitzner@...gutronix.de>
Cc: Michael Hennerich <michael.hennerich@...log.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alexandru Tachici <alexandru.tachici@...log.com>,
	kernel@...gutronix.de, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: net: adin: add recovered clock output

On Wed, Jan 24, 2024 at 11:25:54AM +0100, Fabian Pfitzner wrote:
> The ADIN1300 offers three distinct output clocks which can be accessed
> through the GP_CLK pin. The DT only offers two of the possible options
> and thus the 125MHz-recovered output clock is missing.
> 
> As there is no other way to configure this pin than through the DT it
> should be possible to do so for all available outputs.
> 
> Signed-off-by: Fabian Pfitzner <f.pfitzner@...gutronix.de>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Cheers,
Conor.

> ---
>  Documentation/devicetree/bindings/net/adi,adin.yaml | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
> index 929cf8c0b0fd..04059393b756 100644
> --- a/Documentation/devicetree/bindings/net/adi,adin.yaml
> +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
> @@ -38,14 +38,17 @@ properties:
>  
>    adi,phy-output-clock:
>      description: |
> -      Select clock output on GP_CLK pin. Two clocks are available:
> -      A 25MHz reference and a free-running 125MHz.
> +      Select clock output on GP_CLK pin. Three clocks are available:
> +        - 25MHz reference
> +        - free-running 125MHz
> +        - recovered 125MHz
>        The phy can alternatively automatically switch between the reference and
>        the 125MHz clocks based on its internal state.
>      $ref: /schemas/types.yaml#/definitions/string
>      enum:
>        - 25mhz-reference
>        - 125mhz-free-running
> +      - 125mhz-recovered
>        - adaptive-free-running
>  
>    adi,phy-output-reference-clock:
> 
> base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d
> -- 
> 2.39.2
> 

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