diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/read.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/dm/read.h b/include/dm/read.h index 8c9846eaf26..65d5d1f3577 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -14,6 +14,8 @@ #include <dm/ofnode.h> #include <dm/uclass.h> +struct resource; + #if CONFIG_IS_ENABLED(OF_LIVE) static inline const struct device_node *dev_np(struct udevice *dev) { @@ -42,6 +44,16 @@ static inline bool dev_of_valid(struct udevice *dev) return ofnode_valid(dev_ofnode(dev)); } +/** + * dev_read_resource() - obtain an indexed resource from a device. + * + * @dev: devuce to examine + * @index index of the resource to retrieve (0 = first) + * @res returns the resource + * @return 0 if ok, negative on error + */ +int dev_read_resource(struct udevice *dev, uint index, struct resource *res); + #ifndef CONFIG_DM_DEV_READ_INLINE /** * dev_read_u32_default() - read a 32-bit integer from a device's DT property |