1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
12 #include <dm/of_access.h>
14 int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp)
16 return ofnode_read_u32(dev_ofnode(dev), propname, outp);
19 int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
21 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
24 const char *dev_read_string(struct udevice *dev, const char *propname)
26 return ofnode_read_string(dev_ofnode(dev), propname);
29 bool dev_read_bool(struct udevice *dev, const char *propname)
31 return ofnode_read_bool(dev_ofnode(dev), propname);
34 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name)
36 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
39 ofnode dev_read_first_subnode(struct udevice *dev)
41 return ofnode_first_subnode(dev_ofnode(dev));
44 ofnode dev_read_next_subnode(ofnode node)
46 return ofnode_next_subnode(node);
49 int dev_read_size(struct udevice *dev, const char *propname)
51 return ofnode_read_size(dev_ofnode(dev), propname);
54 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
56 if (ofnode_is_np(dev_ofnode(dev)))
57 return ofnode_get_addr_index(dev_ofnode(dev), index);
59 return devfdt_get_addr_index(dev, index);
62 void *dev_remap_addr_index(struct udevice *dev, int index)
64 fdt_addr_t addr = dev_read_addr_index(dev, index);
66 if (addr == FDT_ADDR_T_NONE)
69 return map_physmem(addr, 0, MAP_NOCACHE);
72 fdt_addr_t dev_read_addr(struct udevice *dev)
74 return dev_read_addr_index(dev, 0);
77 void *dev_read_addr_ptr(struct udevice *dev)
79 fdt_addr_t addr = dev_read_addr(dev);
81 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
84 void *dev_remap_addr(struct udevice *dev)
86 return dev_remap_addr_index(dev, 0);
89 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
92 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
95 const char *dev_read_name(struct udevice *dev)
97 return ofnode_get_name(dev_ofnode(dev));
100 int dev_read_stringlist_search(struct udevice *dev, const char *property,
103 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
106 int dev_read_string_index(struct udevice *dev, const char *propname, int index,
109 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
112 int dev_read_string_count(struct udevice *dev, const char *propname)
114 return ofnode_read_string_count(dev_ofnode(dev), propname);
117 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
118 const char *cells_name, int cell_count,
119 int index, struct ofnode_phandle_args *out_args)
121 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
122 cells_name, cell_count, index,
126 int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
127 const char *cells_name)
129 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
133 int dev_read_addr_cells(struct udevice *dev)
135 return ofnode_read_addr_cells(dev_ofnode(dev));
138 int dev_read_size_cells(struct udevice *dev)
140 return ofnode_read_size_cells(dev_ofnode(dev));
143 int dev_read_simple_addr_cells(struct udevice *dev)
145 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
148 int dev_read_simple_size_cells(struct udevice *dev)
150 return ofnode_read_simple_size_cells(dev_ofnode(dev));
153 int dev_read_phandle(struct udevice *dev)
155 ofnode node = dev_ofnode(dev);
157 if (ofnode_is_np(node))
158 return ofnode_to_np(node)->phandle;
160 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
163 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp)
165 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
168 int dev_read_alias_seq(struct udevice *dev, int *devnump)
170 ofnode node = dev_ofnode(dev);
171 const char *uc_name = dev->uclass->uc_drv->name;
174 if (ofnode_is_np(node)) {
175 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
179 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
180 ofnode_to_offset(node), devnump);
186 int dev_read_u32_array(struct udevice *dev, const char *propname,
187 u32 *out_values, size_t sz)
189 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
192 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
195 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
198 int dev_read_enabled(struct udevice *dev)
200 ofnode node = dev_ofnode(dev);
202 if (ofnode_is_np(node))
203 return of_device_is_available(ofnode_to_np(node));
205 return fdtdec_get_is_enabled(gd->fdt_blob,
206 ofnode_to_offset(node));
209 int dev_read_resource(struct udevice *dev, uint index, struct resource *res)
211 return ofnode_read_resource(dev_ofnode(dev), index, res);
214 int dev_read_resource_byname(struct udevice *dev, const char *name,
215 struct resource *res)
217 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);
220 u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr)
222 return ofnode_translate_address(dev_ofnode(dev), in_addr);