From: Rob Herring <robh@kernel.org>
To: Yong Wu <yong.wu@mediatek.com>
Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
Robin Murphy <robin.murphy@arm.com>,
Evan Green <evgreen@chromium.org>,
linux-mediatek@lists.infradead.org, anan.sun@mediatek.com,
Joerg Roedel <joro@8bytes.org>,
iommu@lists.linux-foundation.org,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>,
youlin.pei@mediatek.com,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Will Deacon <will@kernel.org>, Tomasz Figa <tfiga@chromium.org>,
Nicolas Boichat <drinkcat@chromium.org>,
chao.hao@mediatek.com, Tomasz Figa <tfiga@google.com>
Subject: Re: [PATCH 01/24] dt-bindings: mediatek: mt8195: Add binding for MM IOMMU
Date: Wed, 14 Jul 2021 15:11:38 -0600 [thread overview]
Message-ID: <20210714211138.GA3531732@robh.at.kernel.org> (raw)
In-Reply-To: <20210630023504.18177-2-yong.wu@mediatek.com>
On Wed, 30 Jun 2021 10:34:41 +0800, Yong Wu wrote:
> This patch adds descriptions for mt8195 IOMMU which also use ARM
> Short-Descriptor translation table format.
>
> In mt8195, there are two smi-common HW and IOMMU, one is for vdo(video
> output), the other is for vpp(video processing pipe). They connects
> with different smi-larbs, then some setting(larbid_remap) is different.
> Differentiate them with the compatible string.
>
> Something like this:
>
> IOMMU(VDO) IOMMU(VPP)
> | |
> SMI_COMMON_VDO SMI_COMMON_VPP
> --------------- ----------------
> | | ... | | ...
> larb0 larb2 ... larb1 larb3 ...
>
> Another change is that we have a new IOMMU that is for infra master like
> PCIe and USB. The infra master don't have the larb and ports, thus we
> rename the port header file to mt8195-memory-port.h rather than
> mt8195-larb-port.h.
>
> Also, the IOMMU is not only for MM, thus, we don't call it "m4u" which
> means "MultiMedia Memory Management UNIT". thus, use the "iommu" as the
> compatiable string.
>
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> ---
> .../bindings/iommu/mediatek,iommu.yaml | 7 +
> .../dt-bindings/memory/mt8195-memory-port.h | 390 ++++++++++++++++++
> 2 files changed, 397 insertions(+)
> create mode 100644 include/dt-bindings/memory/mt8195-memory-port.h
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2021-07-14 21:12 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-30 2:34 [PATCH 00/24] MT8195 IOMMU SUPPORT Yong Wu
2021-06-30 2:34 ` [PATCH 01/24] dt-bindings: mediatek: mt8195: Add binding for MM IOMMU Yong Wu
2021-06-30 6:26 ` Krzysztof Kozlowski
2021-06-30 7:30 ` Yong Wu
2021-07-14 21:11 ` Rob Herring [this message]
2021-06-30 2:34 ` [PATCH 02/24] dt-bindings: mediatek: mt8195: Add binding for infra IOMMU Yong Wu
2021-06-30 6:27 ` Krzysztof Kozlowski
2021-07-14 21:14 ` Rob Herring
2021-06-30 2:34 ` [PATCH 03/24] iommu/mediatek: Fix 2 HW sharing pgtable issue Yong Wu
2021-06-30 2:34 ` [PATCH 04/24] iommu/mediatek: Adapt sharing and non-sharing pgtable case Yong Wu
2021-06-30 2:34 ` [PATCH 05/24] iommu/mediatek: Add 12G~16G support for mult domain Yong Wu
2021-06-30 2:34 ` [PATCH 06/24] iommu/mediatek: Add a flag DCM_DISABLE Yong Wu
2021-06-30 2:34 ` [PATCH 07/24] iommu/mediatek: Add flag NON_STD_AXI Yong Wu
2021-06-30 2:34 ` [PATCH 08/24] iommu/mediatek: Remove for_each_m4u in tlb_sync_all Yong Wu
2021-06-30 2:34 ` [PATCH 09/24] iommu/mediatek: Always pm_runtime_get while tlb flush Yong Wu
2021-06-30 2:34 ` [PATCH 10/24] iommu/mediatek: Always enable output PA over 32bits in isr Yong Wu
2021-06-30 2:34 ` [PATCH 11/24] iommu/mediatek: Add SUB_COMMON_3BITS flag Yong Wu
2021-06-30 2:34 ` [PATCH 12/24] iommu/mediatek: Add IOMMU_TYPE flag Yong Wu
2021-06-30 2:34 ` [PATCH 13/24] iommu/mediatek: Add infra iommu support Yong Wu
2021-06-30 2:34 ` [PATCH 14/24] iommu/mediatek: Add PCIe support Yong Wu
2021-06-30 2:34 ` [PATCH 15/24] iommu/mediatek: Add mt8195 support Yong Wu
2021-06-30 2:34 ` [PATCH 16/24] iommu/mediatek: Only adjust code about register base Yong Wu
2021-06-30 2:34 ` [PATCH 17/24] iommu/mediatek: Just move code position in hw_init Yong Wu
2021-06-30 2:34 ` [PATCH 18/24] iommu/mediatek: Add mtk_iommu_bank_data structure Yong Wu
2021-06-30 2:34 ` [PATCH 19/24] iommu/mediatek: Initialise bank HW for each a bank Yong Wu
2021-06-30 2:35 ` [PATCH 20/24] iommu/mediatek: Add bank_nr and bank_enable Yong Wu
2021-06-30 2:35 ` [PATCH 21/24] iommu/mediatek: Change the domid to iova_region_id Yong Wu
2021-06-30 2:35 ` [PATCH 22/24] iommu/mediatek: Get the proper bankid for multi banks Yong Wu
2021-06-30 2:35 ` [PATCH 23/24] iommu/mediatek: Add multi bank support Yong Wu
2021-06-30 2:35 ` [PATCH 24/24] iommu/mediatek: mt8195: Enable multi-bank for infra iommu Yong Wu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210714211138.GA3531732@robh.at.kernel.org \
--to=robh@kernel.org \
--cc=anan.sun@mediatek.com \
--cc=chao.hao@mediatek.com \
--cc=devicetree@vger.kernel.org \
--cc=drinkcat@chromium.org \
--cc=evgreen@chromium.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=krzysztof.kozlowski@canonical.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=srv_heupstream@mediatek.com \
--cc=tfiga@chromium.org \
--cc=tfiga@google.com \
--cc=will@kernel.org \
--cc=yong.wu@mediatek.com \
--cc=youlin.pei@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).