linux-kernel - [PATCH 01/12] dt-bindings: memory: mediatek: Add MT8195 apu iommu bindings

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Message-ID: <20211210175223.31131-2-flora.fu@mediatek.com>
Date:   Sat, 11 Dec 2021 01:52:12 +0800
From:   Flora Fu <flora.fu@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Pi-Cheng Chen <pi-cheng.chen@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Flora Fu <flora.fu@...iatek.com>,
        "JB Tsai" <jb.tsai@...iatek.com>
Subject: [PATCH 01/12] dt-bindings: memory: mediatek: Add MT8195 apu iommu bindings

There are two apu iommu hardwares in MT8195.
Add MT8195 apu iommu bindings.

Signed-off-by: Flora Fu <flora.fu@...iatek.com>

---
 Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 3 +++
 include/dt-bindings/memory/mt8195-memory-port.h             | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index 14fae9642ec9..ba1b3ce6cf99 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -81,6 +81,7 @@ properties:
           - mediatek,mt8195-iommu-vdo        # generation two
           - mediatek,mt8195-iommu-vpp        # generation two
           - mediatek,mt8195-iommu-infra      # generation two
+          - mediatek,mt8195-iommu-apu        # generation two
 
       - description: mt7623 generation one
         items:
@@ -158,6 +159,7 @@ allOf:
             - mediatek,mt8192-iommu-apu
             - mediatek,mt8195-iommu-vdo
             - mediatek,mt8195-iommu-vpp
+            - mediatek,mt8195-iommu-apu
 
     then:
       required:
@@ -170,6 +172,7 @@ allOf:
             enum:
               - mediatek,mt8192-iommu-apu
               - mediatek,mt8195-iommu-infra
+              - mediatek,mt8195-iommu-apu
 
     then:
       required:
diff --git a/include/dt-bindings/memory/mt8195-memory-port.h b/include/dt-bindings/memory/mt8195-memory-port.h
index 9882877cda9d..438e75140717 100644
--- a/include/dt-bindings/memory/mt8195-memory-port.h
+++ b/include/dt-bindings/memory/mt8195-memory-port.h
@@ -405,4 +405,8 @@
 #define IOMMU_PORT_INFRA_SSUSB_R		MTK_IFAIOMMU_PERI_ID(30)
 #define IOMMU_PORT_INFRA_SSUSB_W		MTK_IFAIOMMU_PERI_ID(31)
 
+#define IOMMU_PORT_APU_DATA			MTK_M4U_ID(0, 0)
+#define IOMMU_PORT_APU_VLM			MTK_M4U_ID(0, 1)
+#define IOMMU_PORT_APU_VPU			MTK_M4U_ID(0, 2)
+
 #endif
-- 
2.18.0