2 * Copyright (c) 2017 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <dm/of_access.h>
13 int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
15 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
18 const char *dev_read_string(struct udevice *dev, const char *propname)
20 return ofnode_read_string(dev_ofnode(dev), propname);
23 bool dev_read_bool(struct udevice *dev, const char *propname)
25 return ofnode_read_bool(dev_ofnode(dev), propname);
28 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name)
30 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
33 ofnode dev_read_first_subnode(struct udevice *dev)
35 return ofnode_first_subnode(dev_ofnode(dev));
38 ofnode dev_read_next_subnode(ofnode node)
40 return ofnode_next_subnode(node);
43 int dev_read_size(struct udevice *dev, const char *propname)
45 return ofnode_read_size(dev_ofnode(dev), propname);
48 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
50 if (ofnode_is_np(dev_ofnode(dev)))
51 return ofnode_get_addr_index(dev_ofnode(dev), index);
53 return devfdt_get_addr_index(dev, index);
56 fdt_addr_t dev_read_addr(struct udevice *dev)
58 return dev_read_addr_index(dev, 0);
61 void *dev_read_addr_ptr(struct udevice *dev)
63 fdt_addr_t addr = dev_read_addr(dev);
65 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
68 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
71 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
74 const char *dev_read_name(struct udevice *dev)
76 return ofnode_get_name(dev_ofnode(dev));
79 int dev_read_stringlist_search(struct udevice *dev, const char *property,
82 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
85 int dev_read_string_index(struct udevice *dev, const char *propname, int index,
88 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
91 int dev_read_string_count(struct udevice *dev, const char *propname)
93 return ofnode_read_string_count(dev_ofnode(dev), propname);
96 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
97 const char *cells_name, int cell_count,
98 int index, struct ofnode_phandle_args *out_args)
100 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
101 cells_name, cell_count, index,
105 int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
106 const char *cells_name)
108 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
112 int dev_read_addr_cells(struct udevice *dev)
114 return ofnode_read_addr_cells(dev_ofnode(dev));
117 int dev_read_size_cells(struct udevice *dev)
119 return ofnode_read_size_cells(dev_ofnode(dev));
122 int dev_read_simple_addr_cells(struct udevice *dev)
124 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
127 int dev_read_simple_size_cells(struct udevice *dev)
129 return ofnode_read_simple_size_cells(dev_ofnode(dev));
132 int dev_read_phandle(struct udevice *dev)
134 ofnode node = dev_ofnode(dev);
136 if (ofnode_is_np(node))
137 return ofnode_to_np(node)->phandle;
139 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
142 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp)
144 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
147 int dev_read_alias_seq(struct udevice *dev, int *devnump)
149 ofnode node = dev_ofnode(dev);
150 const char *uc_name = dev->uclass->uc_drv->name;
153 if (ofnode_is_np(node)) {
154 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
158 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
159 ofnode_to_offset(node), devnump);
165 int dev_read_u32_array(struct udevice *dev, const char *propname,
166 u32 *out_values, size_t sz)
168 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
171 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
174 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
177 int dev_read_enabled(struct udevice *dev)
179 ofnode node = dev_ofnode(dev);
181 if (ofnode_is_np(node))
182 return of_device_is_available(ofnode_to_np(node));
184 return fdtdec_get_is_enabled(gd->fdt_blob,
185 ofnode_to_offset(node));
188 int dev_read_resource(struct udevice *dev, uint index, struct resource *res)
190 return ofnode_read_resource(dev_ofnode(dev), index, res);
193 int dev_read_resource_byname(struct udevice *dev, const char *name,
194 struct resource *res)
196 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);