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(struct udevice *dev, const char *propname, u32 *outp)
15 return ofnode_read_u32(dev_ofnode(dev), propname, outp);
18 int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
20 return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
23 const char *dev_read_string(struct udevice *dev, const char *propname)
25 return ofnode_read_string(dev_ofnode(dev), propname);
28 bool dev_read_bool(struct udevice *dev, const char *propname)
30 return ofnode_read_bool(dev_ofnode(dev), propname);
33 ofnode dev_read_subnode(struct udevice *dev, const char *subnode_name)
35 return ofnode_find_subnode(dev_ofnode(dev), subnode_name);
38 ofnode dev_read_first_subnode(struct udevice *dev)
40 return ofnode_first_subnode(dev_ofnode(dev));
43 ofnode dev_read_next_subnode(ofnode node)
45 return ofnode_next_subnode(node);
48 int dev_read_size(struct udevice *dev, const char *propname)
50 return ofnode_read_size(dev_ofnode(dev), propname);
53 fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
55 if (ofnode_is_np(dev_ofnode(dev)))
56 return ofnode_get_addr_index(dev_ofnode(dev), index);
58 return devfdt_get_addr_index(dev, index);
61 fdt_addr_t dev_read_addr(struct udevice *dev)
63 return dev_read_addr_index(dev, 0);
66 void *dev_read_addr_ptr(struct udevice *dev)
68 fdt_addr_t addr = dev_read_addr(dev);
70 return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
73 fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property,
76 return ofnode_get_addr_size(dev_ofnode(dev), property, sizep);
79 const char *dev_read_name(struct udevice *dev)
81 return ofnode_get_name(dev_ofnode(dev));
84 int dev_read_stringlist_search(struct udevice *dev, const char *property,
87 return ofnode_stringlist_search(dev_ofnode(dev), property, string);
90 int dev_read_string_index(struct udevice *dev, const char *propname, int index,
93 return ofnode_read_string_index(dev_ofnode(dev), propname, index, outp);
96 int dev_read_string_count(struct udevice *dev, const char *propname)
98 return ofnode_read_string_count(dev_ofnode(dev), propname);
101 int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
102 const char *cells_name, int cell_count,
104 struct ofnode_phandle_args *out_args)
106 return ofnode_parse_phandle_with_args(dev_ofnode(dev), list_name,
107 cells_name, cell_count, index,
111 int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
112 const char *cells_name)
114 return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
118 int dev_read_addr_cells(struct udevice *dev)
120 return ofnode_read_addr_cells(dev_ofnode(dev));
123 int dev_read_size_cells(struct udevice *dev)
125 return ofnode_read_size_cells(dev_ofnode(dev));
128 int dev_read_simple_addr_cells(struct udevice *dev)
130 return ofnode_read_simple_addr_cells(dev_ofnode(dev));
133 int dev_read_simple_size_cells(struct udevice *dev)
135 return ofnode_read_simple_size_cells(dev_ofnode(dev));
138 int dev_read_phandle(struct udevice *dev)
140 ofnode node = dev_ofnode(dev);
142 if (ofnode_is_np(node))
143 return ofnode_to_np(node)->phandle;
145 return fdt_get_phandle(gd->fdt_blob, ofnode_to_offset(node));
148 const void *dev_read_prop(struct udevice *dev, const char *propname, int *lenp)
150 return ofnode_get_property(dev_ofnode(dev), propname, lenp);
153 int dev_read_alias_seq(struct udevice *dev, int *devnump)
155 ofnode node = dev_ofnode(dev);
156 const char *uc_name = dev->uclass->uc_drv->name;
159 if (ofnode_is_np(node)) {
160 ret = of_alias_get_id(ofnode_to_np(node), uc_name);
164 ret = fdtdec_get_alias_seq(gd->fdt_blob, uc_name,
165 ofnode_to_offset(node), devnump);
171 int dev_read_u32_array(struct udevice *dev, const char *propname,
172 u32 *out_values, size_t sz)
174 return ofnode_read_u32_array(dev_ofnode(dev), propname, out_values, sz);
177 const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname,
180 return ofnode_read_u8_array_ptr(dev_ofnode(dev), propname, sz);
183 int dev_read_enabled(struct udevice *dev)
185 ofnode node = dev_ofnode(dev);
187 if (ofnode_is_np(node))
188 return of_device_is_available(ofnode_to_np(node));
190 return fdtdec_get_is_enabled(gd->fdt_blob,
191 ofnode_to_offset(node));
194 int dev_read_resource(struct udevice *dev, uint index, struct resource *res)
196 return ofnode_read_resource(dev_ofnode(dev), index, res);
199 int dev_read_resource_byname(struct udevice *dev, const char *name,
200 struct resource *res)
202 return ofnode_read_resource_byname(dev_ofnode(dev), name, res);