diff --git a/include/uapi/linux/ion.h b/include/uapi/linux/ion.h
new file mode 100644
index 000000000000..371e44662755
--- /dev/null
+++ b/include/uapi/linux/ion.h
@@ -0,0 +1,150 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * drivers/staging/android/uapi/ion.h
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#ifndef _UAPI_LINUX_ION_H
+#define _UAPI_LINUX_ION_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/**
+ * ion_heap_types - list of all possible types of heaps that Android can use
+ *
+ * @ION_HEAP_TYPE_SYSTEM:        Reserved heap id for ion heap that allocates
+ *				 memory using alloc_page(). Also, supports
+ *				 deferred free and allocation pools.
+* @ION_HEAP_TYPE_DMA:		 Reserved heap id for ion heap that manages
+ * 				 single CMA (contiguous memory allocator)
+ * 				 region. Uses standard DMA APIs for
+ *				 managing memory within the CMA region.
+ */
+enum ion_heap_type {
+	ION_HEAP_TYPE_SYSTEM = 0,
+	ION_HEAP_TYPE_DMA = 2,
+	/* reserved range for future standard heap types */
+	ION_HEAP_TYPE_CUSTOM = 16,
+	ION_HEAP_TYPE_MAX = 31,
+};
+
+/**
+ * ion_heap_id - list of standard heap ids that Android can use
+ *
+ * @ION_HEAP_SYSTEM		Id for the ION_HEAP_TYPE_SYSTEM
+ * @ION_HEAP_DMA_START 		Start of reserved id range for heaps of type
+ *				ION_HEAP_TYPE_DMA
+ * @ION_HEAP_DMA_END		End of reserved id range for heaps of type
+ *				ION_HEAP_TYPE_DMA
+ * @ION_HEAP_CUSTOM_START	Start of reserved id range for heaps of custom
+ *				type
+ * @ION_HEAP_CUSTOM_END		End of reserved id range for heaps of custom
+ *				type
+ */
+enum ion_heap_id {
+	ION_HEAP_SYSTEM = (1 << ION_HEAP_TYPE_SYSTEM),
+	ION_HEAP_DMA_START = (ION_HEAP_SYSTEM << 1),
+	ION_HEAP_DMA_END = (ION_HEAP_DMA_START << 7),
+	ION_HEAP_CUSTOM_START = (ION_HEAP_DMA_END << 1),
+	ION_HEAP_CUSTOM_END = (ION_HEAP_CUSTOM_START << 22),
+};
+
+#define ION_NUM_MAX_HEAPS	(32)
+
+/**
+ * allocation flags - the lower 16 bits are used by core ion, the upper 16
+ * bits are reserved for use by the heaps themselves.
+ */
+
+/*
+ * mappings of this buffer should be cached, ion will do cache maintenance
+ * when the buffer is mapped for dma
+ */
+#define ION_FLAG_CACHED		1
+
+/**
+ * DOC: Ion Userspace API
+ *
+ * create a client by opening /dev/ion
+ * most operations handled via following ioctls
+ *
+ */
+
+/**
+ * struct ion_allocation_data - metadata passed from userspace for allocations
+ * @len:		size of the allocation
+ * @heap_id_mask:	mask of heap ids to allocate from
+ * @flags:		flags passed to heap
+ * @handle:		pointer that will be populated with a cookie to use to
+ *			refer to this allocation
+ *
+ * Provided by userspace as an argument to the ioctl
+ */
+struct ion_allocation_data {
+	__u64 len;
+	__u32 heap_id_mask;
+	__u32 flags;
+	__u32 fd;
+	__u32 unused;
+};
+
+#define MAX_HEAP_NAME			32
+
+/**
+ * struct ion_heap_data - data about a heap
+ * @name - first 32 characters of the heap name
+ * @type - heap type
+ * @heap_id - heap id for the heap
+ */
+struct ion_heap_data {
+	char name[MAX_HEAP_NAME];
+	__u32 type;
+	__u32 heap_id;
+	__u32 reserved0;
+	__u32 reserved1;
+	__u32 reserved2;
+};
+
+/**
+ * struct ion_heap_query - collection of data about all heaps
+ * @cnt - total number of heaps to be copied
+ * @heaps - buffer to copy heap data
+ */
+struct ion_heap_query {
+	__u32 cnt; /* Total number of heaps to be copied */
+	__u32 reserved0; /* align to 64bits */
+	__u64 heaps; /* buffer to be populated */
+	__u32 reserved1;
+	__u32 reserved2;
+};
+
+#define ION_IOC_MAGIC		'I'
+
+/**
+ * DOC: ION_IOC_ALLOC - allocate memory
+ *
+ * Takes an ion_allocation_data struct and returns it with the handle field
+ * populated with the opaque handle for the allocation.
+ */
+#define ION_IOC_ALLOC		_IOWR(ION_IOC_MAGIC, 0, \
+				      struct ion_allocation_data)
+
+/**
+ * DOC: ION_IOC_HEAP_QUERY - information about available heaps
+ *
+ * Takes an ion_heap_query structure and populates information about
+ * available Ion heaps.
+ */
+#define ION_IOC_HEAP_QUERY     _IOWR(ION_IOC_MAGIC, 8, \
+					struct ion_heap_query)
+
+/**
+ * DOC: ION_IOC_HEAP_ABI_VERSION - return ABI version
+ *
+ * Returns ABI version for this driver
+ */
+#define ION_IOC_ABI_VERSION    _IOR(ION_IOC_MAGIC, 9, \
+					__u32)
+#endif /* _UAPI_LINUX_ION_H */