ARMADA 370 - Distributed Switch Architecture (dsa) - device tree

Guenter Roeck linux at
Tue Oct 14 06:24:32 PDT 2014

On 10/14/2014 04:35 AM, Richard Cochran wrote:
> On Mon, Oct 13, 2014 at 11:25:17AM -0700, Guenter Roeck wrote:
>> On Mon, Oct 13, 2014 at 12:14:41PM +0200, post at wrote:
>>> Dear all,
>>> I have a custom board equipped with an ARMADA 370 SoC (88f6W11) and
>>> a Marvell switch chip (88e6352) (I have written a device driver for
>>> the latter).
>> Hi Tormod,
>> coincidentially, I have a DSA driver for 88e6352 almost ready for submitting it
>> upstream. What are your plans for your driver ? Do you plan to submit it
>> upstream ? Either case, it would be great if you could share a pointer to it
>> so we can make sure that it works for both our use cases.
>> I have made my patch set available in the 'dsa' branch of
>> in case you are interested.
> I am working on a driver for the 88E6350/88E6351 (similar to 6352?),
> especially to enable the PTP functionality. It should be done in about
> four weeks.
> In order to move away from all of the hardcoded numbers for register
> access in the current dsa drivers, I have started to make macros for
> the various registers, bits, and fields. If you are interested, I
> could share that already...
Hi Richard,

Sure, that would be great.

I can not really tell if they are similar; I don't have the datasheet
for the 6350/6351. The datasheet for the 6352 covers a couple of other
switches, but not those two. The 6352 does support PTP; I can see that
much in its datasheet. You could check if my 6352 driver works for you ;-).


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