diff options
Diffstat (limited to 'include/dm/read.h')
| -rw-r--r-- | include/dm/read.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/dm/read.h b/include/dm/read.h index cea1c16a00..6dd1634675 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -231,6 +231,26 @@ int dev_read_addr_cells(struct udevice *dev); int dev_read_size_cells(struct udevice *dev); /** + * dev_read_addr_cells() - Get the address cells property in a node + * + * This function matches fdt_address_cells(). + * + * @dev: devioe to check + * @return number of address cells this node uses + */ +int dev_read_simple_addr_cells(struct udevice *dev); + +/** + * dev_read_size_cells() - Get the size cells property in a node + * + * This function matches fdt_size_cells(). + * + * @dev: devioe to check + * @return number of size cells this node uses + */ +int dev_read_simple_size_cells(struct udevice *dev); + +/** * dev_read_phandle() - Get the phandle from a device * * @dev: device to check @@ -398,11 +418,23 @@ static inline int dev_read_phandle_with_args(struct udevice *dev, static inline int dev_read_addr_cells(struct udevice *dev) { + /* NOTE: this call should walk up the parent stack */ return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev)); } static inline int dev_read_size_cells(struct udevice *dev) { + /* NOTE: this call should walk up the parent stack */ + return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev)); +} + +static inline int dev_read_simple_addr_cells(struct udevice *dev) +{ + return fdt_address_cells(gd->fdt_blob, dev_of_offset(dev)); +} + +static inline int dev_read_simple_size_cells(struct udevice *dev) +{ return fdt_size_cells(gd->fdt_blob, dev_of_offset(dev)); } |