[PATCH v2 0/4] arm64: Initial support for Texas Instrument's J7200 Platform

Lokesh Vutla lokeshvutla at ti.com
Mon Sep 7 10:23:19 EDT 2020



On 07/09/20 7:44 pm, Nishanth Menon wrote:
> On 17:32-20200907, Lokesh Vutla wrote:
>> Hi,
>>
>> On 27/08/20 12:21 pm, Lokesh Vutla wrote:
>>> This series adds initial support for latest new SoC, J7200, from Texas Instruments.
>>>
>>> The J7200 SoC is a part of the K3 Multicore SoC architecture platform.
>>> It is targeted for for automotive gateway, vehicle compute systems,
>>> Vehicle-to-Vehicle (V2V) and Vehicle-to-Everything (V2X) applications.
>>> The SoC aims to meet the complex processing needs of modern embedded products.
>>>
>>> See J7200 Technical Reference Manual (SPRUIU1, June 2020)
>>> for further details: https://www.ti.com/lit/pdf/spruiu1
>>>
>>> Changes since v1:
>>> - Swapped Patch 1 and 2 as suggested by Nishanth.
>>> - Added description for each SoC in yaml bindings.
>>>
>>> Testing:
>>> - ./scripts/checkpatch --strict
>>> 	- Few warningns about Line length exceeding 100 columns.
>>> 	  But these are corresponding to comments
>>> - v8make dtbs_check
>>> - DT_SCHEMA_FLAGS="-u"
>>>   DT_SCHEMA_FILES="Documentation/devicetree/bindings/arm/ti/k3.yaml"
>>>   v8make dtbs_check
>>> - DT_SCHEMA_FLAGS="-u"
>>>   DT_SCHEMA_FILES="Documentation/devicetree/bindings/arm/ti/k3.yaml"
>>>   v8make dt_binding_check
>>
>> This series has been lying around for soo long with no major comments. It will
>> be nice to get this merged. I understand we are waiting for Acks on yaml
>> documentation but it would be bad to miss a merge window for a new platform
>> because we are waiting for Acks on yaml conversion.
> 
> I do require Rob / DT maintainer to ack the DT yaml conversion and the
> j7200 binding addition.
> 
> Besides yaml and compatibility acks, there are a few ancillary
> comments to fix up.. Kconfig -> I think we should either stay with
> status quo and create a new config option per SoC OR rename the
> config to be generic (using j7200 with j721e SoC config is not very

Please suggest your preference here. I guess separate defconfig for J7200?

> consistent). In addition, around the stuff that is going to next in
> parallel, the dts is generating additional warnings as well (DSS

hmm..there is no DSS being added in this series. There is one checkpatch warning for PATCH 1:

WARNING: DT binding docs and includes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.rst

This can be ignored.


> etc). I think it might be easier if we wait for DT maintainer ack on
> bindings prior to giving further cosmetic comments (To allow for any
> additional changes to come in to -next).
> 
okay.

Thanks and regards,
Lokesh



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