linux-kernel - Re: [PATCH v2] memory: mediatek: add DRAM controller driver

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Message-ID: <CAJKOXPdpBjmHgcE1=vox9YbdtR82LT5F8anx0dKP_fp1JstTpg@mail.gmail.com>
Date:   Tue, 4 May 2021 09:56:41 -0400
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Po-Kai Chi <pk.chi@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        wsd_upstream@...iatek.com, CC Hwang <cc.hwang@...iatek.com>
Subject: Re: [PATCH v2] memory: mediatek: add DRAM controller driver

On Fri, 16 Apr 2021 at 06:30, Po-Kai Chi <pk.chi@...iatek.com> wrote:
>
> These patch series introduces the MediaTek DRAM controller driver (DRAMC)
> on MT6779 SoC, and enables to be built as a module by default for the
> ARM64 builds.
>
> MediaTek DRAMC driver provides cross-platform features as below:
>   - API provided to other kernel modules for querying DRAM type,
>     rank count, rank size, channel count and mode register settings.
>   - Sysfs interface used to pass DRAM mode register settings and current
>     DRAM data rate to user-space for MediaTek ecosystem.
>
> The API user includes MediaTek External Memory Interface (EMI) and
> DVFS Resource Control (DVFSRC), which will be sent to mainline later.
>
> Changes since v1:
> - add prefix to vendor properties in device tree, dt-binding and drivers
> - fix dt-binding check fail
>
> Po-Kai Chi (4):
>   dt-bindings: memory: Add binding for MediaTek DRAM Controller
>   memory: mediatek: add DRAM controller driver
>   arm64: dts: add DRAMC node for MT6779
>   arm64: defconfig: Enable MediaTek DRAMC common driver
>
>  .../memory-controllers/mediatek,dramc.yaml    | 162 ++++
>  arch/arm64/boot/dts/mediatek/mt6779-evb.dts   |   9 +
>  arch/arm64/boot/dts/mediatek/mt6779.dtsi      |  18 +
>  arch/arm64/configs/defconfig                  |   1 +
>  drivers/memory/Kconfig                        |   1 +
>  drivers/memory/Makefile                       |   1 +
>  drivers/memory/mediatek/Kconfig               |   9 +
>  drivers/memory/mediatek/Makefile              |   3 +
>  drivers/memory/mediatek/mtk-dramc.c           | 711 ++++++++++++++++++
>  include/memory/mediatek/dramc.h               |  18 +

I found this patchset by coincidence as you never cc-ed me. Please use
scripts/get_maintainer.pl to get the list of people you need to Cc.

All this should go via memory drivers tree.


Best regards,
Krzysztof