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

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Message-ID: <dnwxijowryyoaanvzcz4cfkpt2cejx4mnfu772utkt66fdrelk@n2prert7km4y>
Date: Wed, 9 Jul 2025 14:18:08 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
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 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.

Thanks,
Thierry

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