2 * Copyright (c) 2017 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/of_access.h>
12 int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
14 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
17 const char *dev_read_string(struct udevice *dev, const char *propname)
19 return ofnode_read_string(dev_ofnode(dev), propname);
22 bool dev_read_bool(struct udevice *dev, const char *propname)
24 return ofnode_read_bool(dev_ofnode(dev), propname);
27 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name)
29 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
32 ofnode dev_read_first_subnode(struct udevice *dev)
34 return ofnode_first_subnode(dev_ofnode(dev));
37 ofnode dev_read_next_subnode(ofnode node)
39 return ofnode_next_subnode(node);
42 int dev_read_size(struct udevice *dev, const char *propname)
44 return ofnode_read_size(dev_ofnode(dev), propname);
47 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
49 if (ofnode_is_np(dev_ofnode(dev)))
50 return ofnode_get_addr_index(dev_ofnode(dev), index);
52 return devfdt_get_addr_index(dev, index);
55 fdt_addr_t dev_read_addr(struct udevice *dev)
57 return dev_read_addr_index(dev, 0);
60 void *dev_read_addr_ptr(struct udevice *dev)
62 fdt_addr_t addr = dev_read_addr(dev);
64 return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)addr;
67 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
70 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
73 const char *dev_read_name(struct udevice *dev)
75 return ofnode_get_name(dev_ofnode(dev));
78 int dev_read_stringlist_search(struct udevice *dev, const char *property,
81 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
84 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
85 const char *cells_name, int cell_count,
87 struct ofnode_phandle_args *out_args)
89 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
90 cells_name, cell_count, index,
94 int dev_read_addr_cells(struct udevice *dev)
96 return ofnode_read_addr_cells(dev_ofnode(dev));
99 int dev_read_size_cells(struct udevice *dev)
101 return ofnode_read_size_cells(dev_ofnode(dev));
104 int dev_read_simple_addr_cells(struct udevice *dev)
106 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
109 int dev_read_simple_size_cells(struct udevice *dev)
111 return ofnode_read_simple_size_cells(dev_ofnode(dev));
114 int dev_read_phandle(struct udevice *dev)
116 ofnode node = dev_ofnode(dev);
118 if (ofnode_is_np(node))
119 return ofnode_to_np(node)->phandle;
121 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
124 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp)
126 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
129 int dev_read_alias_seq(struct udevice *dev, int *devnump)
131 ofnode node = dev_ofnode(dev);
132 const char *uc_name = dev->uclass->uc_drv->name;
135 if (ofnode_is_np(node)) {
136 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
140 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
141 ofnode_to_offset(node), devnump);
147 int dev_read_u32_array(struct udevice *dev, const char *propname,
148 u32 *out_values, size_t sz)
150 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
153 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
156 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
159 int dev_read_enabled(struct udevice *dev)
161 ofnode node = dev_ofnode(dev);
163 if (ofnode_is_np(node))
164 return of_device_is_available(ofnode_to_np(node));
166 return fdtdec_get_is_enabled(gd->fdt_blob,
167 ofnode_to_offset(node));
170 int dev_read_resource(struct udevice *dev, uint index, struct resource *res)
172 return ofnode_read_resource(dev_ofnode(dev), index, res);
175 int dev_read_resource_byname(struct udevice *dev, const char *name,
176 struct resource *res)
178 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);