Re: [PATCH v2 1/2] dt: Document a compatible entry for MDIO ethernet Phys

From: Florian Fainelli
Date: Fri Jan 31 2014 - 17:31:43 EST


2014-01-31 Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>:
> This describes a compatible entry of the form:
> ethernet-phy-idAAAA,BBBB
> Which is modelled after the PCI structured compatible entry
> (pciVVVV,DDDD.SSSS.ssss.RR)
>
> If present the OF core will be able to use this information to
> directly create the correct phy without auto probing the bus.
>
> Signed-off-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>

Looks good, thanks!

Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

> ---
> Documentation/devicetree/bindings/net/phy.txt | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
> Cc: devicetree@xxxxxxxxxxxxxxx
>
> diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
> index 7cd18fb..989122c 100644
> --- a/Documentation/devicetree/bindings/net/phy.txt
> +++ b/Documentation/devicetree/bindings/net/phy.txt
> @@ -23,10 +23,18 @@ Optional Properties:
> assume clause 22. The compatible list may also contain other
> elements.
>
> + If the phy's identifier is known then the list may contain an entry
> + of the form: "ethernet-phy-idAAAA.BBBB" where
> + AAAA - The value of the 16 bit Phy Identifier 1 register as
> + 4 hex digits. This is the chip vendor OUI bits 3:18
> + BBBB - The value of the 16 bit Phy Identifier 2 register as
> + 4 hex digits. This is the chip vendor OUI bits 19:24,
> + followed by 10 bits of a vendor specific ID.
> +
> Example:
>
> ethernet-phy@0 {
> - compatible = "ethernet-phy-ieee802.3-c22";
> + compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22";
> linux,phandle = <2452000>;
> interrupt-parent = <40000>;
> interrupts = <35 1>;
> --
> 1.8.1.2
>
> --
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--
Florian
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