linux-kernel - [PATCH v2 03/23] dt-bindings: memory: mediatek: Add a common larb-port header file

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Date:   Sat, 5 Sep 2020 16:09:00 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Robin Murphy <robin.murphy@....com>
CC:     Will Deacon <will@...nel.org>, Evan Green <evgreen@...omium.org>,
        Tomasz Figa <tfiga@...gle.com>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>,
        <youlin.pei@...iatek.com>, Nicolas Boichat <drinkcat@...omium.org>,
        <anan.sun@...iatek.com>, <chao.hao@...iatek.com>,
        <ming-fan.chen@...iatek.com>
Subject: [PATCH v2 03/23] dt-bindings: memory: mediatek: Add a common larb-port header file

Put all the macros about smi larb/port togethers, this is a preparing
patch for extending LARB_NR and adding new dom-id support.

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 include/dt-bindings/memory/mt2712-larb-port.h  |  2 +-
 include/dt-bindings/memory/mt6779-larb-port.h  |  2 +-
 include/dt-bindings/memory/mt8173-larb-port.h  |  2 +-
 include/dt-bindings/memory/mt8183-larb-port.h  |  2 +-
 include/dt-bindings/memory/mtk-smi-larb-port.h | 15 +++++++++++++++
 5 files changed, 19 insertions(+), 4 deletions(-)
 create mode 100644 include/dt-bindings/memory/mtk-smi-larb-port.h

diff --git a/include/dt-bindings/memory/mt2712-larb-port.h b/include/dt-bindings/memory/mt2712-larb-port.h
index 6f9aa7349cef..b6b2c6bf4459 100644
--- a/include/dt-bindings/memory/mt2712-larb-port.h
+++ b/include/dt-bindings/memory/mt2712-larb-port.h
@@ -6,7 +6,7 @@
 #ifndef __DTS_IOMMU_PORT_MT2712_H
 #define __DTS_IOMMU_PORT_MT2712_H
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt6779-larb-port.h b/include/dt-bindings/memory/mt6779-larb-port.h
index 2ad0899fbf2f..60f57f54393e 100644
--- a/include/dt-bindings/memory/mt6779-larb-port.h
+++ b/include/dt-bindings/memory/mt6779-larb-port.h
@@ -7,7 +7,7 @@
 #ifndef _DTS_IOMMU_PORT_MT6779_H_
 #define _DTS_IOMMU_PORT_MT6779_H_
 
-#define MTK_M4U_ID(larb, port)		 (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
 
 #define M4U_LARB0_ID			 0
 #define M4U_LARB1_ID			 1
diff --git a/include/dt-bindings/memory/mt8173-larb-port.h b/include/dt-bindings/memory/mt8173-larb-port.h
index 9f31ccfeca21..d8c99c946053 100644
--- a/include/dt-bindings/memory/mt8173-larb-port.h
+++ b/include/dt-bindings/memory/mt8173-larb-port.h
@@ -6,7 +6,7 @@
 #ifndef __DTS_IOMMU_PORT_MT8173_H
 #define __DTS_IOMMU_PORT_MT8173_H
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mt8183-larb-port.h b/include/dt-bindings/memory/mt8183-larb-port.h
index 2c579f305162..275c095a6fd6 100644
--- a/include/dt-bindings/memory/mt8183-larb-port.h
+++ b/include/dt-bindings/memory/mt8183-larb-port.h
@@ -6,7 +6,7 @@
 #ifndef __DTS_IOMMU_PORT_MT8183_H
 #define __DTS_IOMMU_PORT_MT8183_H
 
-#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-smi-larb-port.h>
 
 #define M4U_LARB0_ID			0
 #define M4U_LARB1_ID			1
diff --git a/include/dt-bindings/memory/mtk-smi-larb-port.h b/include/dt-bindings/memory/mtk-smi-larb-port.h
new file mode 100644
index 000000000000..2ec7fe5ce4e9
--- /dev/null
+++ b/include/dt-bindings/memory/mtk-smi-larb-port.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@...iatek.com>
+ */
+#ifndef __DTS_MTK_IOMMU_PORT_H_
+#define __DTS_MTK_IOMMU_PORT_H_
+
+#define MTK_LARB_NR_MAX			16
+
+#define MTK_M4U_ID(larb, port)		(((larb) << 5) | (port))
+#define MTK_M4U_TO_LARB(id)		(((id) >> 5) & 0xf)
+#define MTK_M4U_TO_PORT(id)		((id) & 0x1f)
+
+#endif
-- 
2.18.0