Merge tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / include / dt-bindings / memory / mtk-memory-port.h

diff --git a/include/dt-bindings/memory/mtk-memory-port.h b/include/dt-bindings/memory/mtk-memory-port.h
new file mode 100644 (file)
index 0000000..7d64103
--- /dev/null
+++ b/include/dt-bindings/memory/mtk-memory-port.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+#define __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+
+#define MTK_LARB_NR_MAX                        32
+
+#define MTK_M4U_ID(larb, port)         (((larb) << 5) | (port))
+#define MTK_M4U_TO_LARB(id)            (((id) >> 5) & 0x1f)
+#define MTK_M4U_TO_PORT(id)            ((id) & 0x1f)
+
+#endif