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Message-ID: <20210616114346.18812-2-yong.wu@mediatek.com>
Date: Wed, 16 Jun 2021 19:43:38 +0800
From: Yong Wu <yong.wu@...iatek.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>
CC: Krzysztof Kozlowski <krzk@...nel.org>,
Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Tomasz Figa <tfiga@...omium.org>,
<linux-mediatek@...ts.infradead.org>,
<srv_heupstream@...iatek.com>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
<youlin.pei@...iatek.com>, <anan.sun@...iatek.com>,
<ming-fan.chen@...iatek.com>, <yi.kuo@...iatek.com>,
<anthony.huang@...iatek.com>
Subject: [PATCH 1/9] dt-bindings: memory: mediatek: Add mt8195 smi binding
This patch adds mt8195 smi supporting in the bindings.
In mt8195, there are two smi-common HW, one is for vdo(video output),
the other is for vpp(video processing pipe). They connects with different
smi-larbs, then some setting(bus_sel) 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 ...
Signed-off-by: Yong Wu <yong.wu@...iatek.com>
---
.../bindings/memory-controllers/mediatek,smi-common.yaml | 6 +++++-
.../bindings/memory-controllers/mediatek,smi-larb.yaml | 3 +++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
index a08a32340987..6317025bd203 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
@@ -16,7 +16,7 @@ description: |
MediaTek SMI have two generations of HW architecture, here is the list
which generation the SoCs use:
generation 1: mt2701 and mt7623.
- generation 2: mt2712, mt6779, mt8167, mt8173, mt8183 and mt8192.
+ generation 2: mt2712, mt6779, mt8167, mt8173, mt8183, mt8192 and mt8195.
There's slight differences between the two SMI, for generation 2, the
register which control the iommu port is at each larb's register base. But
@@ -36,6 +36,8 @@ properties:
- mediatek,mt8173-smi-common
- mediatek,mt8183-smi-common
- mediatek,mt8192-smi-common
+ - mediatek,mt8195-smi-common-vdo
+ - mediatek,mt8195-smi-common-vpp
- description: for mt7623
items:
@@ -100,6 +102,8 @@ allOf:
- mediatek,mt6779-smi-common
- mediatek,mt8183-smi-common
- mediatek,mt8192-smi-common
+ - mediatek,mt8195-smi-common-vdo
+ - mediatek,mt8195-smi-common-vpp
then:
properties:
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
index 7ed7839ff0a7..a100283903bd 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
@@ -24,6 +24,7 @@ properties:
- mediatek,mt8173-smi-larb
- mediatek,mt8183-smi-larb
- mediatek,mt8192-smi-larb
+ - mediatek,mt8195-smi-larb
- description: for mt7623
items:
@@ -75,6 +76,7 @@ allOf:
compatible:
enum:
- mediatek,mt8183-smi-larb
+ - mediatek,mt8195-smi-larb
then:
properties:
@@ -109,6 +111,7 @@ allOf:
- mediatek,mt6779-smi-larb
- mediatek,mt8167-smi-larb
- mediatek,mt8192-smi-larb
+ - mediatek,mt8195-smi-larb
then:
required:
--
2.18.0
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