v4.19.13 snapshot.
diff --git a/include/linux/property.h b/include/linux/property.h
new file mode 100644
index 0000000..ac8a1eb
--- /dev/null
+++ b/include/linux/property.h
@@ -0,0 +1,314 @@
+/*
+ * property.h - Unified device property interface.
+ *
+ * Copyright (C) 2014, Intel Corporation
+ * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+ * Mika Westerberg <mika.westerberg@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _LINUX_PROPERTY_H_
+#define _LINUX_PROPERTY_H_
+
+#include <linux/fwnode.h>
+#include <linux/types.h>
+
+struct device;
+
+enum dev_prop_type {
+ DEV_PROP_U8,
+ DEV_PROP_U16,
+ DEV_PROP_U32,
+ DEV_PROP_U64,
+ DEV_PROP_STRING,
+ DEV_PROP_MAX,
+};
+
+enum dev_dma_attr {
+ DEV_DMA_NOT_SUPPORTED,
+ DEV_DMA_NON_COHERENT,
+ DEV_DMA_COHERENT,
+};
+
+struct fwnode_handle *dev_fwnode(struct device *dev);
+
+bool device_property_present(struct device *dev, const char *propname);
+int device_property_read_u8_array(struct device *dev, const char *propname,
+ u8 *val, size_t nval);
+int device_property_read_u16_array(struct device *dev, const char *propname,
+ u16 *val, size_t nval);
+int device_property_read_u32_array(struct device *dev, const char *propname,
+ u32 *val, size_t nval);
+int device_property_read_u64_array(struct device *dev, const char *propname,
+ u64 *val, size_t nval);
+int device_property_read_string_array(struct device *dev, const char *propname,
+ const char **val, size_t nval);
+int device_property_read_string(struct device *dev, const char *propname,
+ const char **val);
+int device_property_match_string(struct device *dev,
+ const char *propname, const char *string);
+
+bool fwnode_device_is_available(const struct fwnode_handle *fwnode);
+bool fwnode_property_present(const struct fwnode_handle *fwnode,
+ const char *propname);
+int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode,
+ const char *propname, u8 *val,
+ size_t nval);
+int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode,
+ const char *propname, u16 *val,
+ size_t nval);
+int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode,
+ const char *propname, u32 *val,
+ size_t nval);
+int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode,
+ const char *propname, u64 *val,
+ size_t nval);
+int fwnode_property_read_string_array(const struct fwnode_handle *fwnode,
+ const char *propname, const char **val,
+ size_t nval);
+int fwnode_property_read_string(const struct fwnode_handle *fwnode,
+ const char *propname, const char **val);
+int fwnode_property_match_string(const struct fwnode_handle *fwnode,
+ const char *propname, const char *string);
+int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode,
+ const char *prop, const char *nargs_prop,
+ unsigned int nargs, unsigned int index,
+ struct fwnode_reference_args *args);
+
+struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_get_next_parent(
+ struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_get_next_child_node(
+ const struct fwnode_handle *fwnode, struct fwnode_handle *child);
+struct fwnode_handle *fwnode_get_next_available_child_node(
+ const struct fwnode_handle *fwnode, struct fwnode_handle *child);
+
+#define fwnode_for_each_child_node(fwnode, child) \
+ for (child = fwnode_get_next_child_node(fwnode, NULL); child; \
+ child = fwnode_get_next_child_node(fwnode, child))
+
+#define fwnode_for_each_available_child_node(fwnode, child) \
+ for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\
+ child = fwnode_get_next_available_child_node(fwnode, child))
+
+struct fwnode_handle *device_get_next_child_node(
+ struct device *dev, struct fwnode_handle *child);
+
+#define device_for_each_child_node(dev, child) \
+ for (child = device_get_next_child_node(dev, NULL); child; \
+ child = device_get_next_child_node(dev, child))
+
+struct fwnode_handle *fwnode_get_named_child_node(
+ const struct fwnode_handle *fwnode, const char *childname);
+struct fwnode_handle *device_get_named_child_node(struct device *dev,
+ const char *childname);
+
+struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
+void fwnode_handle_put(struct fwnode_handle *fwnode);
+
+int fwnode_irq_get(struct fwnode_handle *fwnode, unsigned int index);
+
+unsigned int device_get_child_node_count(struct device *dev);
+
+static inline bool device_property_read_bool(struct device *dev,
+ const char *propname)
+{
+ return device_property_present(dev, propname);
+}
+
+static inline int device_property_read_u8(struct device *dev,
+ const char *propname, u8 *val)
+{
+ return device_property_read_u8_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u16(struct device *dev,
+ const char *propname, u16 *val)
+{
+ return device_property_read_u16_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u32(struct device *dev,
+ const char *propname, u32 *val)
+{
+ return device_property_read_u32_array(dev, propname, val, 1);
+}
+
+static inline int device_property_read_u64(struct device *dev,
+ const char *propname, u64 *val)
+{
+ return device_property_read_u64_array(dev, propname, val, 1);
+}
+
+static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
+ const char *propname)
+{
+ return fwnode_property_present(fwnode, propname);
+}
+
+static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode,
+ const char *propname, u8 *val)
+{
+ return fwnode_property_read_u8_array(fwnode, propname, val, 1);
+}
+
+static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode,
+ const char *propname, u16 *val)
+{
+ return fwnode_property_read_u16_array(fwnode, propname, val, 1);
+}
+
+static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode,
+ const char *propname, u32 *val)
+{
+ return fwnode_property_read_u32_array(fwnode, propname, val, 1);
+}
+
+static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode,
+ const char *propname, u64 *val)
+{
+ return fwnode_property_read_u64_array(fwnode, propname, val, 1);
+}
+
+/**
+ * struct property_entry - "Built-in" device property representation.
+ * @name: Name of the property.
+ * @length: Length of data making up the value.
+ * @is_array: True when the property is an array.
+ * @type: Type of the data in unions.
+ * @pointer: Pointer to the property (an array of items of the given type).
+ * @value: Value of the property (when it is a single item of the given type).
+ */
+struct property_entry {
+ const char *name;
+ size_t length;
+ bool is_array;
+ enum dev_prop_type type;
+ union {
+ union {
+ const u8 *u8_data;
+ const u16 *u16_data;
+ const u32 *u32_data;
+ const u64 *u64_data;
+ const char * const *str;
+ } pointer;
+ union {
+ u8 u8_data;
+ u16 u16_data;
+ u32 u32_data;
+ u64 u64_data;
+ const char *str;
+ } value;
+ };
+};
+
+/*
+ * Note: the below four initializers for the anonymous union are carefully
+ * crafted to avoid gcc-4.4.4's problems with initialization of anon unions
+ * and structs.
+ */
+
+#define PROPERTY_ENTRY_INTEGER_ARRAY(_name_, _type_, _Type_, _val_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = ARRAY_SIZE(_val_) * sizeof(_type_), \
+ .is_array = true, \
+ .type = DEV_PROP_##_Type_, \
+ { .pointer = { ._type_##_data = _val_ } }, \
+}
+
+#define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u8, U8, _val_)
+#define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u16, U16, _val_)
+#define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u32, U32, _val_)
+#define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER_ARRAY(_name_, u64, U64, _val_)
+
+#define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = ARRAY_SIZE(_val_) * sizeof(const char *), \
+ .is_array = true, \
+ .type = DEV_PROP_STRING, \
+ { .pointer = { .str = _val_ } }, \
+}
+
+#define PROPERTY_ENTRY_INTEGER(_name_, _type_, _Type_, _val_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = sizeof(_type_), \
+ .type = DEV_PROP_##_Type_, \
+ { .value = { ._type_##_data = _val_ } }, \
+}
+
+#define PROPERTY_ENTRY_U8(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER(_name_, u8, U8, _val_)
+#define PROPERTY_ENTRY_U16(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER(_name_, u16, U16, _val_)
+#define PROPERTY_ENTRY_U32(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER(_name_, u32, U32, _val_)
+#define PROPERTY_ENTRY_U64(_name_, _val_) \
+ PROPERTY_ENTRY_INTEGER(_name_, u64, U64, _val_)
+
+#define PROPERTY_ENTRY_STRING(_name_, _val_) \
+(struct property_entry) { \
+ .name = _name_, \
+ .length = sizeof(_val_), \
+ .type = DEV_PROP_STRING, \
+ { .value = { .str = _val_ } }, \
+}
+
+#define PROPERTY_ENTRY_BOOL(_name_) \
+(struct property_entry) { \
+ .name = _name_, \
+}
+
+struct property_entry *
+property_entries_dup(const struct property_entry *properties);
+
+void property_entries_free(const struct property_entry *properties);
+
+int device_add_properties(struct device *dev,
+ const struct property_entry *properties);
+void device_remove_properties(struct device *dev);
+
+bool device_dma_supported(struct device *dev);
+
+enum dev_dma_attr device_get_dma_attr(struct device *dev);
+
+const void *device_get_match_data(struct device *dev);
+
+int device_get_phy_mode(struct device *dev);
+
+void *device_get_mac_address(struct device *dev, char *addr, int alen);
+
+int fwnode_get_phy_mode(struct fwnode_handle *fwnode);
+void *fwnode_get_mac_address(struct fwnode_handle *fwnode,
+ char *addr, int alen);
+struct fwnode_handle *fwnode_graph_get_next_endpoint(
+ const struct fwnode_handle *fwnode, struct fwnode_handle *prev);
+struct fwnode_handle *
+fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_graph_get_remote_port_parent(
+ const struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_graph_get_remote_port(
+ const struct fwnode_handle *fwnode);
+struct fwnode_handle *fwnode_graph_get_remote_endpoint(
+ const struct fwnode_handle *fwnode);
+struct fwnode_handle *
+fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port,
+ u32 endpoint);
+
+#define fwnode_graph_for_each_endpoint(fwnode, child) \
+ for (child = NULL; \
+ (child = fwnode_graph_get_next_endpoint(fwnode, child)); )
+
+int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
+ struct fwnode_endpoint *endpoint);
+
+#endif /* _LINUX_PROPERTY_H_ */