Re: [PATCH v2 0/9] iio: add support for the ad3552r AXI DAC IP

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Hi Conor,

On 06/09/24 11:07 AM, Conor Dooley wrote:
On Thu, Sep 05, 2024 at 05:17:30PM +0200, Angelo Dureghello wrote:
The serie comes from the previously discussed RFC, that i
converted to a normal patch from this v2.

Purpose is to add ad3552r AXI DAC (fpga-based) support.

The fpga DAC IP has been created to reach the maximum speed
(33MUPS) supported from the ad3552r. To obtain the maximum
transfer rate, the custom module has been implemented using
the QSPI lines in DDR mode, using a dma buffer.

The design is actually using the DAC backend since the register
map is the same of the generic DAC IP, except for some customized
bitfields. For this reason, a new "compatible" has been added
in adi-axi-dac.c.

Also, backend has been extended with all the needed functions
needed for this use case, keeping the names gneric.

Note: the following patch is actually for linux-iio/testing
---
Changes in v2:
- use unsigned int on bus_reg_read/write
- add a compatible in axi-dac backend for the ad3552r DAC IP
- minor code alignment fixes
- fix a return value not checked
- change devicetree structure setting ad3552r-axi as a backend
   subnode
- add synchronous_mode_available in the ABI doc
Please give reviewers a chance to response to in-progress discussion on
a version before sending a new one. I've left a couple of responses to
v1 that I only had a chance to reply to today due to travel.

sure, will wait some more days next time.

Regards,
--
 ,,,      Angelo Dureghello
:: :.     BayLibre -runtime team- Developer
:`___:
 `____:





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