[PATCH v6 04/11] firmware: xilinx: Add query data API

Sudeep Holla sudeep.holla at arm.com
Tue May 15 02:34:18 PDT 2018



On 14/05/18 20:16, Jolly Shah wrote:
> HI Sudeep,
> 

[...]

>> 
>> Can you give more insight into this ? How will be this used ? How
>> this aligns with data we get from DT ? I am just trying to
>> understand how is this information split between this API and DT
>> for example.
>> 
> 
> This API is used to get clock information from firmware and register
> clocks accordingly in driver. In our case, firmware maintains
> database of all clocks available on chip. DT will provide information
> for off chip reference clocks only. This is to avoid duplication of
> clocks data in DT and firmware both as firmware anyways need clock
> data to manage them.
> 

I wanted to understand the difference with example. What kind of
information you get from DT and what you get from firmware ?

-- 
Regards,
Sudeep



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