1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
10 #include <dm/of_access.h>
12 int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp)
14 return ofnode_read_u32(dev_ofnode(dev), propname, outp);
17 int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
19 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
22 const char *dev_read_string(struct udevice *dev, const char *propname)
24 return ofnode_read_string(dev_ofnode(dev), propname);
27 bool dev_read_bool(struct udevice *dev, const char *propname)
29 return ofnode_read_bool(dev_ofnode(dev), propname);
32 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name)
34 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
37 ofnode dev_read_first_subnode(struct udevice *dev)
39 return ofnode_first_subnode(dev_ofnode(dev));
42 ofnode dev_read_next_subnode(ofnode node)
44 return ofnode_next_subnode(node);
47 int dev_read_size(struct udevice *dev, const char *propname)
49 return ofnode_read_size(dev_ofnode(dev), propname);
52 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
54 if (ofnode_is_np(dev_ofnode(dev)))
55 return ofnode_get_addr_index(dev_ofnode(dev), index);
57 return devfdt_get_addr_index(dev, index);
60 fdt_addr_t dev_read_addr(struct udevice *dev)
62 return dev_read_addr_index(dev, 0);
65 void *dev_read_addr_ptr(struct udevice *dev)
67 fdt_addr_t addr = dev_read_addr(dev);
69 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
72 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
75 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
78 const char *dev_read_name(struct udevice *dev)
80 return ofnode_get_name(dev_ofnode(dev));
83 int dev_read_stringlist_search(struct udevice *dev, const char *property,
86 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
89 int dev_read_string_index(struct udevice *dev, const char *propname, int index,
92 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
95 int dev_read_string_count(struct udevice *dev, const char *propname)
97 return ofnode_read_string_count(dev_ofnode(dev), propname);
100 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
101 const char *cells_name, int cell_count,
102 int index, struct ofnode_phandle_args *out_args)
104 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
105 cells_name, cell_count, index,
109 int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
110 const char *cells_name)
112 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
116 int dev_read_addr_cells(struct udevice *dev)
118 return ofnode_read_addr_cells(dev_ofnode(dev));
121 int dev_read_size_cells(struct udevice *dev)
123 return ofnode_read_size_cells(dev_ofnode(dev));
126 int dev_read_simple_addr_cells(struct udevice *dev)
128 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
131 int dev_read_simple_size_cells(struct udevice *dev)
133 return ofnode_read_simple_size_cells(dev_ofnode(dev));
136 int dev_read_phandle(struct udevice *dev)
138 ofnode node = dev_ofnode(dev);
140 if (ofnode_is_np(node))
141 return ofnode_to_np(node)->phandle;
143 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
146 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp)
148 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
151 int dev_read_alias_seq(struct udevice *dev, int *devnump)
153 ofnode node = dev_ofnode(dev);
154 const char *uc_name = dev->uclass->uc_drv->name;
157 if (ofnode_is_np(node)) {
158 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
162 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
163 ofnode_to_offset(node), devnump);
169 int dev_read_u32_array(struct udevice *dev, const char *propname,
170 u32 *out_values, size_t sz)
172 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
175 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
178 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
181 int dev_read_enabled(struct udevice *dev)
183 ofnode node = dev_ofnode(dev);
185 if (ofnode_is_np(node))
186 return of_device_is_available(ofnode_to_np(node));
188 return fdtdec_get_is_enabled(gd->fdt_blob,
189 ofnode_to_offset(node));
192 int dev_read_resource(struct udevice *dev, uint index, struct resource *res)
194 return ofnode_read_resource(dev_ofnode(dev), index, res);
197 int dev_read_resource_byname(struct udevice *dev, const char *name,
198 struct resource *res)
200 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);
203 u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr)
205 return ofnode_translate_address(dev_ofnode(dev), in_addr);