linux-kernel - Re: [PATCH 3/3] net: ethoc: document OF bindings

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Message-ID: <CAL_JsqLjn4FXrNGLGHs639TEqmQKPx_kk9JbAd-hn7mexzAjNg@mail.gmail.com>
Date:	Mon, 27 Jan 2014 08:10:58 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Max Filippov <jcmvbkbc@...il.com>
Cc:	linux-xtensa@...ux-xtensa.org, netdev <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Chris Zankel <chris@...kel.net>,
	Marc Gauthier <marc@...ence.com>,
	"David S. Miller" <davem@...emloft.net>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>
Subject: Re: [PATCH 3/3] net: ethoc: document OF bindings

On Sun, Jan 26, 2014 at 9:59 PM, Max Filippov <jcmvbkbc@...il.com> wrote:
> Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
> ---
>  .../devicetree/bindings/net/opencores-ethoc.txt    | 25 ++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/opencores-ethoc.txt
>
> diff --git a/Documentation/devicetree/bindings/net/opencores-ethoc.txt b/Documentation/devicetree/bindings/net/opencores-ethoc.txt
> new file mode 100644
> index 0000000..f7c6c94
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/opencores-ethoc.txt
> @@ -0,0 +1,25 @@
> +* OpenCores MAC 10/100 Mbps
> +
> +Required properties:
> +- compatible: Should be "opencores,ethoc".

There are not different versions of IP or is the version probeable?

> +- reg: Address and length of the register set for the device and of its
> +  descriptor memory.
> +- interrupts: Should contain ethoc interrupt.
> +
> +Optional properties:
> +- local-mac-address: 6 bytes, mac address

There's a patch in progress to move all the standard network
properties to a common location, so you can remove this.

> +- clock-frequency: basic MAC frequency.
> +- mii-mgmt-clock-frequency: frequency of MII management bus. Together
> +  with clock-frequency determines the value programmed into the CLKDIV
> +  field of MIIMODER register.
> +
> +Examples:
> +
> +       enet0: ethoc@...30000 {
> +               compatible = "opencores,ethoc";
> +               reg = <0xfd030000 0x4000 0xfd800000 0x4000>;
> +               interrupts = <1>;
> +               local-mac-address = [00 50 c2 13 6f 00];
> +               clock-frequency = <50000000>;
> +               mii-mgmt-clock-frequency = <5000000>;
> +        };
> --
> 1.8.1.4
>
> --
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