]>
git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/core/read.c
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 fdt_addr_t
dev_read_addr_size(struct udevice
*dev
, const char *property
,
63 return ofnode_get_addr_size(dev_ofnode(dev
), property
, sizep
);
66 const char *dev_read_name(struct udevice
*dev
)
68 return ofnode_get_name(dev_ofnode(dev
));
71 int dev_read_stringlist_search(struct udevice
*dev
, const char *property
,
74 return ofnode_stringlist_search(dev_ofnode(dev
), property
, string
);
77 int dev_read_phandle_with_args(struct udevice
*dev
, const char *list_name
,
78 const char *cells_name
, int cell_count
,
80 struct ofnode_phandle_args
*out_args
)
82 return ofnode_parse_phandle_with_args(dev_ofnode(dev
), list_name
,
83 cells_name
, cell_count
, index
,
87 int dev_read_addr_cells(struct udevice
*dev
)
89 return ofnode_read_addr_cells(dev_ofnode(dev
));
92 int dev_read_size_cells(struct udevice
*dev
)
94 return ofnode_read_size_cells(dev_ofnode(dev
));
97 int dev_read_phandle(struct udevice
*dev
)
99 ofnode node
= dev_ofnode(dev
);
101 if (ofnode_is_np(node
))
102 return ofnode_to_np(node
)->phandle
;
104 return fdt_get_phandle(gd
->fdt_blob
, ofnode_to_offset(node
));
107 const u32
*dev_read_prop(struct udevice
*dev
, const char *propname
, int *lenp
)
109 return ofnode_read_prop(dev_ofnode(dev
), propname
, lenp
);
112 int dev_read_alias_seq(struct udevice
*dev
, int *devnump
)
114 ofnode node
= dev_ofnode(dev
);
115 const char *uc_name
= dev
->uclass
->uc_drv
->name
;
118 if (ofnode_is_np(node
)) {
119 ret
= of_alias_get_id(ofnode_to_np(node
), uc_name
);
123 ret
= fdtdec_get_alias_seq(gd
->fdt_blob
, uc_name
,
124 ofnode_to_offset(node
), devnump
);
130 int dev_read_u32_array(struct udevice
*dev
, const char *propname
,
131 u32
*out_values
, size_t sz
)
133 return ofnode_read_u32_array(dev_ofnode(dev
), propname
, out_values
, sz
);
136 const uint8_t *dev_read_u8_array_ptr(struct udevice
*dev
, const char *propname
,
139 return ofnode_read_u8_array_ptr(dev_ofnode(dev
), propname
, sz
);