linux-kernel - Re: [PATCH v3 1/8] dt-bindings: Add Cavium Octeon Common Ethernet Interface.

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Message-ID: <20171115191857.podohd56knfd4hyh@rob-hp-laptop>
Date:   Wed, 15 Nov 2017 13:18:57 -0600
From:   Rob Herring <robh@...nel.org>
To:     David Daney <david.daney@...ium.com>
Cc:     linux-mips@...ux-mips.org, ralf@...ux-mips.org,
        James Hogan <james.hogan@...s.com>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Mark Rutland <mark.rutland@....com>,
        devel@...verdev.osuosl.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        "Steven J. Hill" <steven.hill@...ium.com>,
        devicetree@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Carlos Munoz <cmunoz@...ium.com>
Subject: Re: [PATCH v3 1/8] dt-bindings: Add Cavium Octeon Common Ethernet
 Interface.

On Thu, Nov 09, 2017 at 11:29:08AM -0800, David Daney wrote:
> From: Carlos Munoz <cmunoz@...ium.com>
> 
> Add bindings for Common Ethernet Interface (BGX) block.
> 
> Signed-off-by: Carlos Munoz <cmunoz@...ium.com>
> Signed-off-by: Steven J. Hill <Steven.Hill@...ium.com>
> Signed-off-by: David Daney <david.daney@...ium.com>
> ---
>  .../devicetree/bindings/net/cavium-bgx.txt         | 61 ++++++++++++++++++++++
>  1 file changed, 61 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/cavium-bgx.txt
> 
> diff --git a/Documentation/devicetree/bindings/net/cavium-bgx.txt b/Documentation/devicetree/bindings/net/cavium-bgx.txt
> new file mode 100644
> index 000000000000..6b1f8b994c20
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/cavium-bgx.txt
> @@ -0,0 +1,61 @@
> +* Common Ethernet Interface (BGX) block
> +
> +Properties:
> +
> +- compatible: "cavium,octeon-7890-bgx": Compatibility with all cn7xxx SOCs.
> +
> +- reg: The base address of the BGX block.
> +
> +- #address-cells: Must be <1>.
> +
> +- #size-cells: Must be <0>.  BGX addresses have no size component.
> +
> +A BGX block has several children, each representing an Ethernet
> +interface.
> +
> +
> +* Ethernet Interface (BGX port) connects to PKI/PKO
> +
> +Properties:
> +
> +- compatible: "cavium,octeon-7890-bgx-port": Compatibility with all
> +	      cn7xxx SOCs.
> +
> +	      "cavium,octeon-7360-xcv": Compatibility with cn73xx SOCs
> +	      for RGMII.
> +
> +- reg: The index of the interface within the BGX block.

There's no memory mapped region associated with the sub-blocks?

> +
> +Optional properties:
> +
> +- local-mac-address: Mac address for the interface.
> +
> +- phy-handle: phandle to the phy node connected to the interface.
> +
> +- phy-mode: described in ethernet.txt.
> +
> +- fixed-link: described in fixed-link.txt.
> +
> +Example:
> +
> +	ethernet-mac-nexus@...00e0000000 {
> +		compatible = "cavium,octeon-7890-bgx";
> +		reg = <0x00011800 0xe0000000 0x00000000 0x01000000>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ethernet-mac@0 {

ethernet@0

> +			compatible = "cavium,octeon-7360-xcv";
> +			reg = <0>;
> +			local-mac-address = [ 00 01 23 45 67 89 ];
> +			phy-handle = <&phy3>;
> +			phy-mode = "rgmii-rxid"
> +		};
> +		ethernet-mac@1 {

ditto.

Otherwise,

Acked-by: Rob Herring <robh@...nel.org>

> +			compatible = "cavium,octeon-7890-bgx-port";
> +			reg = <1>;
> +			local-mac-address = [ 00 01 23 45 67 8a ];
> +			phy-handle = <&phy4>;
> +			phy-mode = "sgmii"
> +		};
> +	};
> -- 
> 2.13.6
>