linux-kernel - Re: [PATCH 0/4] memory: tegra: Add Tegra264 support

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Message-ID: <c80bf310-8cee-4a44-8e01-472bfee1933f@kernel.org>
Date: Wed, 9 Jul 2025 20:18:01 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Thierry Reding <thierry.reding@...il.com>
Cc: Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 Jonathan Hunter <jonathanh@...dia.com>, linux-tegra@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] memory: tegra: Add Tegra264 support

On 09/07/2025 14:18, Thierry Reding wrote:
> On Tue, Jul 08, 2025 at 12:52:41PM +0200, Thierry Reding wrote:
>> From: Thierry Reding <treding@...dia.com>
>>
>> This set of patches extends the DT bindings for the memory controller
>> and external memory controller for Tegra264 and add the necessary DT
>> headers with memory client and stream ID definitions.
>>
>> The driver changes in patch 4 are mostly an extension of existing code
>> and the bulk consists of the memory client table for the new chip as
>> well as the bandwidth manager calculations.
>>
>> Thierry
>>
>> Sumit Gupta (3):
>>   dt-bindings: memory: tegra: Add Tegra264 support
>>   dt-bindings: memory: tegra: Add Tegra264 definitions
>>   memory: tegra: Add Tegra264 MC and EMC support
>>
>> Thierry Reding (1):
>>   dt-bindings: memory: tegra: Add Tegra264 stream IDs
>>
>>  .../nvidia,tegra186-mc.yaml                   |  65 +++-
>>  drivers/memory/tegra/Makefile                 |   2 +
>>  drivers/memory/tegra/mc.c                     |   5 +-
>>  drivers/memory/tegra/mc.h                     |   9 +-
>>  drivers/memory/tegra/tegra186-emc.c           |   5 +-
>>  drivers/memory/tegra/tegra186.c               |  17 +-
>>  drivers/memory/tegra/tegra264-bwmgr.h         |  50 +++
>>  drivers/memory/tegra/tegra264.c               | 313 ++++++++++++++++++
>>  include/dt-bindings/memory/nvidia,tegra264.h  | 136 ++++++++
>>  9 files changed, 594 insertions(+), 8 deletions(-)
>>  create mode 100644 drivers/memory/tegra/tegra264-bwmgr.h
>>  create mode 100644 drivers/memory/tegra/tegra264.c
>>  create mode 100644 include/dt-bindings/memory/nvidia,tegra264.h
> 
> Krzysztof,
> 
> There's a dependency between this series and a series adding device tree
> files for Tegra264 (both the driver and DTS files include the memory
> client IDs in dt-bindings/memory/nvidia,tegra264.h), so I think it'd be
> easiest for me to take the driver patches here through the Tegra tree as
> well.
> 
> Let me know if that works for you or not.

Works for me. I don't have anything for Tegra memory controllers and
it's close to end of cycle. Let me look at the patches and ack/comment.

Best regards,
Krzysztof