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From:   Yong Wu <yong.wu@mediatek.com>
To:     Joerg Roedel <joro@8bytes.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>
CC:     Krzysztof Kozlowski <krzk@kernel.org>,
        Evan Green <evgreen@chromium.org>,
        Tomasz Figa <tfiga@google.com>,
        <linux-mediatek@lists.infradead.org>,
        <srv_heupstream@mediatek.com>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <iommu@lists.linux-foundation.org>, <yong.wu@mediatek.com>,
        <youlin.pei@mediatek.com>, Nicolas Boichat <drinkcat@chromium.org>,
        <anan.sun@mediatek.com>, <chao.hao@mediatek.com>,
        Greg Kroah-Hartman <gregkh@google.com>,
        <kernel-team@android.com>
Subject: [PATCH v4 03/24] dt-bindings: memory: mediatek: Extend LARB_NR_MAX to 32
Date:   Wed, 11 Nov 2020 20:38:17 +0800
Message-ID: <20201111123838.15682-4-yong.wu@mediatek.com>
In-Reply-To: <20201111123838.15682-1-yong.wu@mediatek.com>
References: <20201111123838.15682-1-yong.wu@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Extend the max larb number definition as mt8192 has larb_nr over 16.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 2 +-
 include/dt-bindings/memory/mtk-smi-larb-port.h              | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
index b9946809fc2b..ba6626347381 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -99,7 +99,7 @@ properties:
   mediatek,larbs:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     minItems: 1
-    maxItems: 16
+    maxItems: 32
     description: |
       List of phandle to the local arbiters in the current Socs.
       Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort
diff --git a/include/dt-bindings/memory/mtk-smi-larb-port.h b/include/dt-bindings/memory/mtk-smi-larb-port.h
index 2ec7fe5ce4e9..f4d8e3aed0bc 100644
--- a/include/dt-bindings/memory/mtk-smi-larb-port.h
+++ b/include/dt-bindings/memory/mtk-smi-larb-port.h
@@ -6,10 +6,10 @@
 #ifndef __DTS_MTK_IOMMU_PORT_H_
 #define __DTS_MTK_IOMMU_PORT_H_
 
-#define MTK_LARB_NR_MAX			16
+#define MTK_LARB_NR_MAX			32
 
 #define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
-#define MTK_M4U_TO_LARB(id)		(((id) >> 5) & 0xf)
+#define MTK_M4U_TO_LARB(id)		(((id) >> 5) & 0x1f)
 #define MTK_M4U_TO_PORT(id)		((id) & 0x1f)
 
 #endif
-- 
2.18.0