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SubjectRe: [PATCH v5 1/4] dt-bindings: firmware: Add bindings for ZynqMP firmware
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On 07/03/18 22:25, Jolly Shah wrote:
> Hi Sudeep,
>

[...]

>>> +Examples:
>>> + firmware {
>>> + zynqmp_firmware: zynqmp-firmware {
>>> + compatible = "xlnx,zynqmp-firmware";
>>> + method = "smc";
>>> + };
>>> + };
>>>
>>
>> Do you foresee using SMC/HVC for this firmware even on future platforms?
>> If not, I suggest to keep the protocol part separate from the transport i.e.
>> smc/hvc via ATF. It could be replaced with mailbox or some h/w mechanism in
>> future ?
>>
>
> We have PSCI and EEMI interfaces exposed to linux from ATF. PSCI is
> an EEMI client. We do not have current plans to switch to mailbox as it
> will require 2 communication channels to PMU as PSCI is through ATF.
>

OK, but I just saw some bindings that has mailbox interface, honestly
it's getting too confusing with multiple series on the same thing
floating and hence I requested to put it together as one series.
--
Regards,
Sudeep

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