Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 1078 insertions, 0 deletions

diff --git a/roms/u-boot/include/dm/read.h b/roms/u-boot/include/dm/read.h
new file mode 100644
index 000000000..5bf340561
--- /dev/null
+++ b/roms/u-boot/include/dm/read.h
@@ -0,0 +1,1078 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Function to read values from the device tree node attached to a udevice.
+ *
+ * Copyright (c) 2017 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef _DM_READ_H
+#define _DM_READ_H
+
+#include <linux/errno.h>
+
+#include <dm/device.h>
+#include <dm/fdtaddr.h>
+#include <dm/ofnode.h>
+#include <dm/uclass.h>
+
+struct resource;
+
+#if CONFIG_IS_ENABLED(OF_LIVE)
+static inline const struct device_node *dev_np(const struct udevice *dev)
+{
+	return ofnode_to_np(dev_ofnode(dev));
+}
+#else
+static inline const struct device_node *dev_np(const struct udevice *dev)
+{
+	return NULL;
+}
+#endif
+
+#if !defined(CONFIG_DM_DEV_READ_INLINE) || CONFIG_IS_ENABLED(OF_PLATDATA)
+/**
+ * dev_read_u32() - read a 32-bit integer from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @outp:	place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32(const struct udevice *dev, const char *propname, u32 *outp);
+
+/**
+ * dev_read_u32_default() - read a 32-bit integer from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @def:	default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+int dev_read_u32_default(const struct udevice *dev, const char *propname,
+			 int def);
+
+/**
+ * dev_read_u32_index() - read an indexed 32-bit integer from a device's DT
+ *                        property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @index:	index of the integer to return
+ * @outp:	place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32_index(struct udevice *dev, const char *propname, int index,
+		       u32 *outp);
+
+/**
+ * dev_read_u32_index_default() - read an indexed 32-bit integer from a device's
+ *                                DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @index:	index of the integer to return
+ * @def:	default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u32 dev_read_u32_index_default(struct udevice *dev, const char *propname,
+			       int index, u32 def);
+
+/**
+ * dev_read_s32() - read a signed 32-bit integer from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @outp:	place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_s32(const struct udevice *dev, const char *propname, s32 *outp);
+
+/**
+ * dev_read_s32_default() - read a signed 32-bit int from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @def:	default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+int dev_read_s32_default(const struct udevice *dev, const char *propname,
+			 int def);
+
+/**
+ * dev_read_u32u() - read a 32-bit integer from a device's DT property
+ *
+ * This version uses a standard uint type.
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @outp:	place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32u(const struct udevice *dev, const char *propname, uint *outp);
+
+/**
+ * dev_read_u64() - read a 64-bit integer from a device's DT property
+ *
+ * @dev:        device to read DT property from
+ * @propname:   name of the property to read from
+ * @outp:       place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u64(const struct udevice *dev, const char *propname, u64 *outp);
+
+/**
+ * dev_read_u64_default() - read a 64-bit integer from a device's DT property
+ *
+ * @dev:        device to read DT property from
+ * @propname:   name of the property to read from
+ * @def:        default value to return if the property has no value
+ * @return property value, or @def if not found
+ */
+u64 dev_read_u64_default(const struct udevice *dev, const char *propname,
+			 u64 def);
+
+/**
+ * dev_read_string() - Read a string from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read
+ * @return string from property value, or NULL if there is no such property
+ */
+const char *dev_read_string(const struct udevice *dev, const char *propname);
+
+/**
+ * dev_read_bool() - read a boolean value from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of property to read
+ * @return true if property is present (meaning true), false if not present
+ */
+bool dev_read_bool(const struct udevice *dev, const char *propname);
+
+/**
+ * dev_read_subnode() - find a named subnode of a device
+ *
+ * @dev:	device whose DT node contains the subnode
+ * @subnode_name: name of subnode to find
+ * @return reference to subnode (which can be invalid if there is no such
+ * subnode)
+ */
+ofnode dev_read_subnode(const struct udevice *dev, const char *subbnode_name);
+
+/**
+ * dev_read_size() - read the size of a property
+ *
+ * @dev: device to check
+ * @propname: property to check
+ * @return size of property if present, or -EINVAL if not
+ */
+int dev_read_size(const struct udevice *dev, const char *propname);
+
+/**
+ * dev_read_addr_index() - Get the indexed reg property of a device
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ *	   and @index is used to select which one is required
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_index(const struct udevice *dev, int index);
+
+/**
+ * dev_read_addr_size_index() - Get the indexed reg property of a device
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ *	   and @index is used to select which one is required
+ * @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index,
+				    fdt_size_t *size);
+
+/**
+ * dev_remap_addr_index() - Get the indexed reg property of a device
+ *                               as a memory-mapped I/O pointer
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ *	   and @index is used to select which one is required
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr_index(const struct udevice *dev, int index);
+
+/**
+ * dev_read_addr_name() - Get the reg property of a device, indexed by name
+ *
+ * @dev: Device to read from
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ *	  'reg-names' property providing named-based identification. @index
+ *	  indicates the value to search for in 'reg-names'.
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name);
+
+/**
+ * dev_read_addr_size_name() - Get the reg property of a device, indexed by name
+ *
+ * @dev: Device to read from
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ *	  'reg-names' property providing named-based identification. @index
+ *	  indicates the value to search for in 'reg-names'.
+ *  @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name,
+				   fdt_size_t *size);
+
+/**
+ * dev_remap_addr_name() - Get the reg property of a device, indexed by name,
+ *                         as a memory-mapped I/O pointer
+ *
+ * @dev: Device to read from
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ *	  'reg-names' property providing named-based identification. @index
+ *	  indicates the value to search for in 'reg-names'.
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr_name(const struct udevice *dev, const char *name);
+
+/**
+ * dev_read_addr() - Get the reg property of a device
+ *
+ * @dev: Device to read from
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr(const struct udevice *dev);
+
+/**
+ * dev_read_addr_ptr() - Get the reg property of a device
+ *                       as a pointer
+ *
+ * @dev: Device to read from
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_read_addr_ptr(const struct udevice *dev);
+
+/**
+ * dev_read_addr_pci() - Read an address and handle PCI address translation
+ *
+ * At present U-Boot does not have address translation logic for PCI in the
+ * livetree implementation (of_addr.c). This special function supports this for
+ * the flat tree implementation.
+ *
+ * This function should be removed (and code should use dev_read() instead)
+ * once:
+ *
+ * 1. PCI address translation is added; and either
+ * 2. everything uses livetree where PCI translation is used (which is feasible
+ *    in SPL and U-Boot proper) or PCI address translation is added to
+ *    fdtdec_get_addr() and friends.
+ *
+ * @dev: Device to read from
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_pci(const struct udevice *dev);
+
+/**
+ * dev_remap_addr() - Get the reg property of a device as a
+ *                         memory-mapped I/O pointer
+ *
+ * @dev: Device to read from
+ *
+ * @return pointer or NULL if not found
+ */
+void *dev_remap_addr(const struct udevice *dev);
+
+/**
+ * dev_read_addr_size() - get address and size from a device property
+ *
+ * This does no address translation. It simply reads an property that contains
+ * an address and a size value, one after the other.
+ *
+ * @dev: Device to read from
+ * @propname: property to read
+ * @sizep: place to put size value (on success)
+ * @return address value, or FDT_ADDR_T_NONE on error
+ */
+fdt_addr_t dev_read_addr_size(const struct udevice *dev, const char *propname,
+			      fdt_size_t *sizep);
+
+/**
+ * dev_read_name() - get the name of a device's node
+ *
+ * @dev: Device to read from
+ * @return name of node
+ */
+const char *dev_read_name(const struct udevice *dev);
+
+/**
+ * dev_read_stringlist_search() - find string in a string list and return index
+ *
+ * Note that it is possible for this function to succeed on property values
+ * that are not NUL-terminated. That's because the function will stop after
+ * finding the first occurrence of @string. This can for example happen with
+ * small-valued cell properties, such as #address-cells, when searching for
+ * the empty string.
+ *
+ * @dev: device to check
+ * @propname: name of the property containing the string list
+ * @string: string to look up in the string list
+ *
+ * @return:
+ *   the index of the string in the list of strings
+ *   -ENODATA if the property is not found
+ *   -EINVAL on some other error
+ */
+int dev_read_stringlist_search(const struct udevice *dev, const char *property,
+			       const char *string);
+
+/**
+ * dev_read_string_index() - obtain an indexed string from a string list
+ *
+ * @dev: device to examine
+ * @propname: name of the property containing the string list
+ * @index: index of the string to return
+ * @out: return location for the string
+ *
+ * @return:
+ *   length of string, if found or -ve error value if not found
+ */
+int dev_read_string_index(const struct udevice *dev, const char *propname,
+			  int index, const char **outp);
+
+/**
+ * dev_read_string_count() - find the number of strings in a string list
+ *
+ * @dev: device to examine
+ * @propname: name of the property containing the string list
+ * @return:
+ *   number of strings in the list, or -ve error value if not found
+ */
+int dev_read_string_count(const struct udevice *dev, const char *propname);
+/**
+ * dev_read_phandle_with_args() - Find a node pointed by phandle in a list
+ *
+ * This function is useful to parse lists of phandles and their arguments.
+ * Returns 0 on success and fills out_args, on error returns appropriate
+ * errno value.
+ *
+ * Caller is responsible to call of_node_put() on the returned out_args->np
+ * pointer.
+ *
+ * Example:
+ *
+ * phandle1: node1 {
+ *	#list-cells = <2>;
+ * }
+ *
+ * phandle2: node2 {
+ *	#list-cells = <1>;
+ * }
+ *
+ * node3 {
+ *	list = <&phandle1 1 2 &phandle2 3>;
+ * }
+ *
+ * To get a device_node of the `node2' node you may call this:
+ * dev_read_phandle_with_args(dev, "list", "#list-cells", 0, 1, &args);
+ *
+ * @dev:	device whose node containing a list
+ * @list_name:	property name that contains a list
+ * @cells_name:	property name that specifies phandles' arguments count
+ * @cells_count: Cell count to use if @cells_name is NULL
+ * @index:	index of a phandle to parse out
+ * @out_args:	optional pointer to output arguments structure (will be filled)
+ * @return 0 on success (with @out_args filled out if not NULL), -ENOENT if
+ *	@list_name does not exist, -EINVAL if a phandle was not found,
+ *	@cells_name could not be found, the arguments were truncated or there
+ *	were too many arguments.
+ */
+int dev_read_phandle_with_args(const struct udevice *dev, const char *list_name,
+			       const char *cells_name, int cell_count,
+			       int index, struct ofnode_phandle_args *out_args);
+
+/**
+ * dev_count_phandle_with_args() - Return phandle number in a list
+ *
+ * This function is usefull to get phandle number contained in a property list.
+ * For example, this allows to allocate the right amount of memory to keep
+ * clock's reference contained into the "clocks" property.
+ *
+ *
+ * @dev:	device whose node containing a list
+ * @list_name:	property name that contains a list
+ * @cells_name:	property name that specifies phandles' arguments count
+ * @cells_count: Cell count to use if @cells_name is NULL
+ * @Returns number of phandle found on success, on error returns appropriate
+ * errno value.
+ */
+
+int dev_count_phandle_with_args(const struct udevice *dev,
+				const char *list_name, const char *cells_name,
+				int cell_count);
+
+/**
+ * dev_read_addr_cells() - Get the number of address cells for a device's node
+ *
+ * This walks back up the tree to find the closest #address-cells property
+ * which controls the given node.
+ *
+ * @dev: device to check
+ * @return number of address cells this node uses
+ */
+int dev_read_addr_cells(const struct udevice *dev);
+
+/**
+ * dev_read_size_cells() - Get the number of size cells for a device's node
+ *
+ * This walks back up the tree to find the closest #size-cells property
+ * which controls the given node.
+ *
+ * @dev: device to check
+ * @return number of size cells this node uses
+ */
+int dev_read_size_cells(const struct udevice *dev);
+
+/**
+ * dev_read_addr_cells() - Get the address cells property in a node
+ *
+ * This function matches fdt_address_cells().
+ *
+ * @dev: device to check
+ * @return number of address cells this node uses
+ */
+int dev_read_simple_addr_cells(const struct udevice *dev);
+
+/**
+ * dev_read_size_cells() - Get the size cells property in a node
+ *
+ * This function matches fdt_size_cells().
+ *
+ * @dev: device to check
+ * @return number of size cells this node uses
+ */
+int dev_read_simple_size_cells(const struct udevice *dev);
+
+/**
+ * dev_read_phandle() - Get the phandle from a device
+ *
+ * @dev: device to check
+ * @return phandle (1 or greater), or 0 if no phandle or other error
+ */
+int dev_read_phandle(const struct udevice *dev);
+
+/**
+ * dev_read_prop()- - read a property from a device's node
+ *
+ * @dev: device to check
+ * @propname: property to read
+ * @lenp: place to put length on success
+ * @return pointer to property, or NULL if not found
+ */
+const void *dev_read_prop(const struct udevice *dev, const char *propname,
+			  int *lenp);
+
+/**
+ * dev_read_first_prop()- get the reference of the first property
+ *
+ * Get reference to the first property of the node, it is used to iterate
+ * and read all the property with dev_read_prop_by_prop().
+ *
+ * @dev: device to check
+ * @prop: place to put argument reference
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+int dev_read_first_prop(const struct udevice *dev, struct ofprop *prop);
+
+/**
+ * ofnode_get_next_property() - get the reference of the next property
+ *
+ * Get reference to the next property of the node, it is used to iterate
+ * and read all the property with dev_read_prop_by_prop().
+ *
+ * @prop: reference of current argument and place to put reference of next one
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+int dev_read_next_prop(struct ofprop *prop);
+
+/**
+ * dev_read_prop_by_prop() - get a pointer to the value of a property
+ *
+ * Get value for the property identified by the provided reference.
+ *
+ * @prop: reference on property
+ * @propname: If non-NULL, place to property name on success,
+ * @lenp: If non-NULL, place to put length on success
+ * @return 0 if OK, -ve on error. -FDT_ERR_NOTFOUND if not found
+ */
+const void *dev_read_prop_by_prop(struct ofprop *prop,
+				  const char **propname, int *lenp);
+
+/**
+ * dev_read_alias_seq() - Get the alias sequence number of a node
+ *
+ * This works out whether a node is pointed to by an alias, and if so, the
+ * sequence number of that alias. Aliases are of the form <base><num> where
+ * <num> is the sequence number. For example spi2 would be sequence number 2.
+ *
+ * @dev: device to look up
+ * @devnump: set to the sequence number if one is found
+ * @return 0 if a sequence was found, -ve if not
+ */
+int dev_read_alias_seq(const struct udevice *dev, int *devnump);
+
+/**
+ * dev_read_u32_array() - Find and read an array of 32 bit integers
+ *
+ * Search for a property in a device node and read 32-bit value(s) from
+ * it.
+ *
+ * The out_values is modified only if a valid u32 value can be decoded.
+ *
+ * @dev: device to look up
+ * @propname:	name of the property to read
+ * @out_values:	pointer to return value, modified only if return value is 0
+ * @sz:		number of array elements to read
+ * @return 0 on success, -EINVAL if the property does not exist, -ENODATA if
+ * property does not have a value, and -EOVERFLOW if the property data isn't
+ * large enough.
+ */
+int dev_read_u32_array(const struct udevice *dev, const char *propname,
+		       u32 *out_values, size_t sz);
+
+/**
+ * dev_read_first_subnode() - find the first subnode of a device's node
+ *
+ * @dev: device to look up
+ * @return reference to the first subnode (which can be invalid if the device's
+ * node has no subnodes)
+ */
+ofnode dev_read_first_subnode(const struct udevice *dev);
+
+/**
+ * ofnode_next_subnode() - find the next sibling of a subnode
+ *
+ * @node:	valid reference to previous node (sibling)
+ * @return reference to the next subnode (which can be invalid if the node
+ * has no more siblings)
+ */
+ofnode dev_read_next_subnode(ofnode node);
+
+/**
+ * dev_read_u8_array_ptr() - find an 8-bit array
+ *
+ * Look up a device's node property and return a pointer to its contents as a
+ * byte array of given length. The property must have at least enough data
+ * for the array (count bytes). It may have more, but this will be ignored.
+ * The data is not copied.
+ *
+ * @dev: device to look up
+ * @propname: name of property to find
+ * @sz: number of array elements
+ * @return pointer to byte array if found, or NULL if the property is not
+ *		found or there is not enough data
+ */
+const uint8_t *dev_read_u8_array_ptr(const struct udevice *dev,
+				     const char *propname, size_t sz);
+
+/**
+ * dev_read_enabled() - check whether a node is enabled
+ *
+ * This looks for a 'status' property. If this exists, then returns 1 if
+ * the status is 'ok' and 0 otherwise. If there is no status property,
+ * it returns 1 on the assumption that anything mentioned should be enabled
+ * by default.
+ *
+ * @dev: device to examine
+ * @return integer value 0 (not enabled) or 1 (enabled)
+ */
+int dev_read_enabled(const struct udevice *dev);
+
+/**
+ * dev_read_resource() - obtain an indexed resource from a device.
+ *
+ * @dev: device to examine
+ * @index index of the resource to retrieve (0 = first)
+ * @res returns the resource
+ * @return 0 if ok, negative on error
+ */
+int dev_read_resource(const struct udevice *dev, uint index,
+		      struct resource *res);
+
+/**
+ * dev_read_resource_byname() - obtain a named resource from a device.
+ *
+ * @dev: device to examine
+ * @name: name of the resource to retrieve
+ * @res: returns the resource
+ * @return 0 if ok, negative on error
+ */
+int dev_read_resource_byname(const struct udevice *dev, const char *name,
+			     struct resource *res);
+
+/**
+ * dev_translate_address() - Translate a device-tree address
+ *
+ * Translate an address from the device-tree into a CPU physical address.  This
+ * function walks up the tree and applies the various bus mappings along the
+ * way.
+ *
+ * @dev: device giving the context in which to translate the address
+ * @in_addr: pointer to the address to translate
+ * @return the translated address; OF_BAD_ADDR on error
+ */
+u64 dev_translate_address(const struct udevice *dev, const fdt32_t *in_addr);
+
+/**
+ * dev_translate_dma_address() - Translate a device-tree DMA address
+ *
+ * Translate a DMA address from the device-tree into a CPU physical address.
+ * This function walks up the tree and applies the various bus mappings along
+ * the way.
+ *
+ * @dev: device giving the context in which to translate the DMA address
+ * @in_addr: pointer to the DMA address to translate
+ * @return the translated DMA address; OF_BAD_ADDR on error
+ */
+u64 dev_translate_dma_address(const struct udevice *dev,
+			      const fdt32_t *in_addr);
+
+/**
+ * dev_get_dma_range() - Get a device's DMA constraints
+ *
+ * Provide the address bases and size of the linear mapping between the CPU and
+ * a device's BUS address space.
+ *
+ * @dev: device giving the context in which to translate the DMA address
+ * @cpu: base address for CPU's view of memory
+ * @bus: base address for BUS's view of memory
+ * @size: size of the address space
+ * @return 0 if ok, negative on error
+ */
+int dev_get_dma_range(const struct udevice *dev, phys_addr_t *cpu,
+		      dma_addr_t *bus, u64 *size);
+
+/**
+ * dev_read_alias_highest_id - Get highest alias id for the given stem
+ * @stem:	Alias stem to be examined
+ *
+ * The function travels the lookup table to get the highest alias id for the
+ * given alias stem.
+ * @return alias ID, if found, else -1
+ */
+int dev_read_alias_highest_id(const char *stem);
+
+/**
+ * dev_get_child_count() - get the child count of a device
+ *
+ * @dev: device to use for interation (struct udevice *)
+ * @return the count of child subnode
+ */
+int dev_get_child_count(const struct udevice *dev);
+
+/**
+ * dev_read_pci_bus_range - Read PCI bus-range resource
+ *
+ * Look at the bus range property of a device node and return the pci bus
+ * range for this node.
+ *
+ * @dev: device to examine
+ * @res returns the resource
+ * @return 0 if ok, negative on error
+ */
+int dev_read_pci_bus_range(const struct udevice *dev, struct resource *res);
+
+/**
+ * dev_decode_display_timing() - decode display timings
+ *
+ * Decode display timings from the supplied 'display-timings' node.
+ * See doc/device-tree-bindings/video/display-timing.txt for binding
+ * information.
+ *
+ * @dev: device to read DT display timings from. The node linked to the device
+ *       contains a child node called 'display-timings' which in turn contains
+ *       one or more display timing nodes.
+ * @index: index number to read (0=first timing subnode)
+ * @config: place to put timings
+ * @return 0 if OK, -FDT_ERR_NOTFOUND if not found
+ */
+int dev_decode_display_timing(const struct udevice *dev, int index,
+			      struct display_timing *config);
+
+#else /* CONFIG_DM_DEV_READ_INLINE is enabled */
+#include <asm/global_data.h>
+
+static inline int dev_read_u32(const struct udevice *dev,
+			       const char *propname, u32 *outp)
+{
+	return ofnode_read_u32(dev_ofnode(dev), propname, outp);
+}
+
+static inline int dev_read_u32_default(const struct udevice *dev,
+				       const char *propname, int def)
+{
+	return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
+}
+
+static inline int dev_read_u32_index(struct udevice *dev,
+				     const char *propname, int index, u32 *outp)
+{
+	return ofnode_read_u32_index(dev_ofnode(dev), propname, index, outp);
+}
+
+static inline u32 dev_read_u32_index_default(struct udevice *dev,
+					     const char *propname, int index,
+					     u32 def)
+{
+	return ofnode_read_u32_index_default(dev_ofnode(dev), propname, index,
+					     def);
+}
+
+static inline int dev_read_s32(const struct udevice *dev,
+			       const char *propname, s32 *outp)
+{
+	return ofnode_read_s32(dev_ofnode(dev), propname, outp);
+}
+
+static inline int dev_read_s32_default(const struct udevice *dev,
+				       const char *propname, int def)
+{
+	return ofnode_read_s32_default(dev_ofnode(dev), propname, def);
+}
+
+static inline int dev_read_u32u(const struct udevice *dev,
+				const char *propname, uint *outp)
+{
+	u32 val;
+	int ret;
+
+	ret = ofnode_read_u32(dev_ofnode(dev), propname, &val);
+	if (ret)
+		return ret;
+	*outp = val;
+
+	return 0;
+}
+
+static inline int dev_read_u64(const struct udevice *dev,
+			       const char *propname, u64 *outp)
+{
+	return ofnode_read_u64(dev_ofnode(dev), propname, outp);
+}
+
+static inline u64 dev_read_u64_default(const struct udevice *dev,
+				       const char *propname, u64 def)
+{
+	return ofnode_read_u64_default(dev_ofnode(dev), propname, def);
+}
+
+static inline const char *dev_read_string(const struct udevice *dev,
+					  const char *propname)
+{
+	return ofnode_read_string(dev_ofnode(dev), propname);
+}
+
+static inline bool dev_read_bool(const struct udevice *dev,
+				 const char *propname)
+{
+	return ofnode_read_bool(dev_ofnode(dev), propname);
+}
+
+static inline ofnode dev_read_subnode(const struct udevice *dev,
+				      const char *subbnode_name)
+{
+	return ofnode_find_subnode(dev_ofnode(dev), subbnode_name);
+}
+
+static inline int dev_read_size(const struct udevice *dev, const char *propname)
+{
+	return ofnode_read_size(dev_ofnode(dev), propname);
+}
+
+static inline fdt_addr_t dev_read_addr_index(const struct udevice *dev,
+					     int index)
+{
+	return devfdt_get_addr_index(dev, index);
+}
+
+static inline fdt_addr_t dev_read_addr_size_index(const struct udevice *dev,
+						  int index,
+						  fdt_size_t *size)
+{
+	return devfdt_get_addr_size_index(dev, index, size);
+}
+
+static inline fdt_addr_t dev_read_addr_name(const struct udevice *dev,
+					    const char *name)
+{
+	return devfdt_get_addr_name(dev, name);
+}
+
+static inline fdt_addr_t dev_read_addr_size_name(const struct udevice *dev,
+						 const char *name,
+						 fdt_size_t *size)
+{
+	return devfdt_get_addr_size_name(dev, name, size);
+}
+
+static inline fdt_addr_t dev_read_addr(const struct udevice *dev)
+{
+	return devfdt_get_addr(dev);
+}
+
+static inline void *dev_read_addr_ptr(const struct udevice *dev)
+{
+	return devfdt_get_addr_ptr(dev);
+}
+
+static inline fdt_addr_t dev_read_addr_pci(const struct udevice *dev)
+{
+	return devfdt_get_addr_pci(dev);
+}
+
+static inline void *dev_remap_addr(const struct udevice *dev)
+{
+	return devfdt_remap_addr(dev);
+}
+
+static inline void *dev_remap_addr_index(const struct udevice *dev, int index)
+{
+	return devfdt_remap_addr_index(dev, index);
+}
+
+static inline void *dev_remap_addr_name(const struct udevice *dev,
+					const char *name)
+{
+	return devfdt_remap_addr_name(dev, name);
+}
+
+static inline fdt_addr_t dev_read_addr_size(const struct udevice *dev,
+					    const char *propname,
+					    fdt_size_t *sizep)
+{
+	return ofnode_get_addr_size(dev_ofnode(dev), propname, sizep);
+}
+
+static inline const char *dev_read_name(const struct udevice *dev)
+{
+	return ofnode_get_name(dev_ofnode(dev));
+}
+
+static inline int dev_read_stringlist_search(const struct udevice *dev,
+					     const char *propname,
+					     const char *string)
+{
+	return ofnode_stringlist_search(dev_ofnode(dev), propname, string);
+}
+
+static inline int dev_read_string_index(const struct udevice *dev,
+					const char *propname, int index,
+					const char **outp)
+{
+	return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
+}
+
+static inline int dev_read_string_count(const struct udevice *dev,
+					const char *propname)
+{
+	return ofnode_read_string_count(dev_ofnode(dev), propname);
+}
+
+static inline int dev_read_phandle_with_args(const struct udevice *dev,
+		const char *list_name, const char *cells_name, int cell_count,
+		int index, struct ofnode_phandle_args *out_args)
+{
+	return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
+					      cells_name, cell_count, index,
+					      out_args);
+}
+
+static inline int dev_count_phandle_with_args(const struct udevice *dev,
+		const char *list_name, const char *cells_name, int cell_count)
+{
+	return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
+					      cells_name, cell_count);
+}
+
+static inline int dev_read_addr_cells(const struct udevice *dev)
+{
+	int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+	return fdt_address_cells(gd->fdt_blob, parent);
+}
+
+static inline int dev_read_size_cells(const struct udevice *dev)
+{
+	int parent = fdt_parent_offset(gd->fdt_blob, dev_of_offset(dev));
+
+	return fdt_size_cells(gd->fdt_blob, parent);
+}
+
+static inline int dev_read_simple_addr_cells(const struct udevice *dev)
+{
+	return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev));
+}
+
+static inline int dev_read_simple_size_cells(const struct udevice *dev)
+{
+	return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev));
+}
+
+static inline int dev_read_phandle(const struct udevice *dev)
+{
+	return fdt_get_phandle(gd->fdt_blob, dev_of_offset(dev));
+}
+
+static inline const void *dev_read_prop(const struct udevice *dev,
+					const char *propname, int *lenp)
+{
+	return ofnode_get_property(dev_ofnode(dev), propname, lenp);
+}
+
+static inline int dev_read_first_prop(const struct udevice *dev, struct ofprop *prop)
+{
+	return ofnode_get_first_property(dev_ofnode(dev), prop);
+}
+
+static inline int dev_read_next_prop(struct ofprop *prop)
+{
+	return ofnode_get_next_property(prop);
+}
+
+static inline const void *dev_read_prop_by_prop(struct ofprop *prop,
+						const char **propname,
+						int *lenp)
+{
+	return ofnode_get_property_by_prop(prop, propname, lenp);
+}
+
+static inline int dev_read_alias_seq(const struct udevice *dev, int *devnump)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	return fdtdec_get_alias_seq(gd->fdt_blob, dev->uclass->uc_drv->name,
+				    dev_of_offset(dev), devnump);
+#else
+	return -ENOTSUPP;
+#endif
+}
+
+static inline int dev_read_u32_array(const struct udevice *dev,
+				     const char *propname, u32 *out_values,
+				     size_t sz)
+{
+	return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
+}
+
+static inline ofnode dev_read_first_subnode(const struct udevice *dev)
+{
+	return ofnode_first_subnode(dev_ofnode(dev));
+}
+
+static inline ofnode dev_read_next_subnode(ofnode node)
+{
+	return ofnode_next_subnode(node);
+}
+
+static inline const uint8_t *dev_read_u8_array_ptr(const struct udevice *dev,
+						   const char *propname,
+						   size_t sz)
+{
+	return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
+}
+
+static inline int dev_read_enabled(const struct udevice *dev)
+{
+	return fdtdec_get_is_enabled(gd->fdt_blob, dev_of_offset(dev));
+}
+
+static inline int dev_read_resource(const struct udevice *dev, uint index,
+				    struct resource *res)
+{
+	return ofnode_read_resource(dev_ofnode(dev), index, res);
+}
+
+static inline int dev_read_resource_byname(const struct udevice *dev,
+					   const char *name,
+					   struct resource *res)
+{
+	return ofnode_read_resource_byname(dev_ofnode(dev), name, res);
+}
+
+static inline u64 dev_translate_address(const struct udevice *dev,
+					const fdt32_t *in_addr)
+{
+	return ofnode_translate_address(dev_ofnode(dev), in_addr);
+}
+
+static inline u64 dev_translate_dma_address(const struct udevice *dev,
+					    const fdt32_t *in_addr)
+{
+	return ofnode_translate_dma_address(dev_ofnode(dev), in_addr);
+}
+
+static inline int dev_get_dma_range(const struct udevice *dev, phys_addr_t *cpu,
+				    dma_addr_t *bus, u64 *size)
+{
+	return ofnode_get_dma_range(dev_ofnode(dev), cpu, bus, size);
+}
+
+static inline int dev_read_alias_highest_id(const char *stem)
+{
+	if (!CONFIG_IS_ENABLED(OF_LIBFDT) || !gd->fdt_blob)
+		return -1;
+	return fdtdec_get_alias_highest_id(gd->fdt_blob, stem);
+}
+
+static inline int dev_get_child_count(const struct udevice *dev)
+{
+	return ofnode_get_child_count(dev_ofnode(dev));
+}
+
+static inline int dev_decode_display_timing(const struct udevice *dev,
+					    int index,
+					    struct display_timing *config)
+{
+	return ofnode_decode_display_timing(dev_ofnode(dev), index, config);
+}
+
+#endif /* CONFIG_DM_DEV_READ_INLINE */
+
+/**
+ * dev_for_each_subnode() - Helper function to iterate through subnodes
+ *
+ * This creates a for() loop which works through the subnodes in a device's
+ * device-tree node.
+ *
+ * @subnode: ofnode holding the current subnode
+ * @dev: device to use for interation (struct udevice *)
+ */
+#define dev_for_each_subnode(subnode, dev) \
+	for (subnode = dev_read_first_subnode(dev); \
+	     ofnode_valid(subnode); \
+	     subnode = ofnode_next_subnode(subnode))
+
+/**
+ * dev_for_each_property() - Helper function to iterate through property
+ *
+ * This creates a for() loop which works through the property in a device's
+ * device-tree node.
+ *
+ * @prop: struct ofprop holding the current property
+ * @dev: device to use for interation (struct udevice *)
+ */
+#define dev_for_each_property(prop, dev) \
+	for (int ret_prop = dev_read_first_prop(dev, &prop); \
+	     !ret_prop; \
+	     ret_prop = dev_read_next_prop(&prop))
+
+#endif