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

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Message-ID: <CAMo8BfKm_rzDDs9BpfQkaew9DP9T8y0RnjzT_1gzs9Xrbx2CLA@mail.gmail.com>
Date:	Mon, 27 Jan 2014 19:52:58 +0400
From:	Max Filippov <jcmvbkbc@...il.com>
To:	Rob Herring <robherring2@...il.com>
Cc:	"linux-xtensa@...ux-xtensa.org" <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

Hi Rob,

On Mon, Jan 27, 2014 at 6:10 PM, Rob Herring <robherring2@...il.com> wrote:
> 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?

AFAIK there's single version of this 10/100 MAC.
It doesn't have any identification registers.

>> +- 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.

Will do.

>> +- 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

-- 
Thanks.
-- Max
--
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