Re: [PATCH v1 02/29] dt-bindings: memory: tegra20: emc: Document new interconnect property

Dmitry Osipenko
2019-11-19T16:57:39Z

19.11.2019 09:21, Thierry Reding пишет:
> On Mon, Nov 18, 2019 at 11:02:20PM +0300, Dmitry Osipenko wrote:
>> External memory controller is interconnected with memory controller and
>> with external memory. Document new interconnect property which designates
>> external memory controller as interconnect provider.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>> ---
>> .../bindings/memory-controllers/nvidia,tegra20-emc.txt | 4 ++++
>> 1 file changed, 4 insertions(+)
>
> Do we really want to describe this particular connection? It's pretty
> static and the only real connection here is the EMC frequency, so the
> whole interconnect infrastructure seems a bit overkill.
>
> Sounds to me like we could piggyback on top of the existing
> nvidia,memory-controller property of the EMC to make the connection.

Ultimately each memory client talks to EMEM through MC and EMC, although
it should be okay to ignore the EMEM from a driver's / software perspective.

[snip]