diff options
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/ofnode.h | 24 | ||||
| -rw-r--r-- | include/dm/root.h | 14 |
2 files changed, 38 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index de2769ed537..79374b8f91a 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -628,4 +628,28 @@ int ofnode_read_resource(ofnode node, uint index, struct resource *res); int ofnode_read_resource_byname(ofnode node, const char *name, struct resource *res); +/** + * ofnode_for_each_subnode() - iterate over all subnodes of a parent + * + * @node: child node (ofnode, lvalue) + * @parent: parent node (ofnode) + * + * This is a wrapper around a for loop and is used like so: + * + * ofnode node; + * + * ofnode_for_each_subnode(node, parent) { + * Use node + * ... + * } + * + * Note that this is implemented as a macro and @node is used as + * iterator in the loop. The parent variable can be a constant or even a + * literal. + */ +#define ofnode_for_each_subnode(node, parent) \ + for (node = ofnode_first_subnode(parent); \ + ofnode_valid(node); \ + node = ofnode_next_subnode(node)) + #endif diff --git a/include/dm/root.h b/include/dm/root.h index 50a6011644f..b075eef2c1a 100644 --- a/include/dm/root.h +++ b/include/dm/root.h @@ -56,6 +56,20 @@ int dm_scan_platdata(bool pre_reloc_only); int dm_scan_fdt(const void *blob, bool pre_reloc_only); /** + * dm_extended_scan_fdt() - Scan the device tree and bind drivers + * + * This calls dm_scna_dft() which scans the device tree and creates a driver + * for each node. the top-level subnodes are examined and also all sub-nodes + * of "clocks" node. + * + * @blob: Pointer to device tree blob + * @pre_reloc_only: If true, bind only drivers with the DM_FLAG_PRE_RELOC + * flag. If false bind all drivers. + * @return 0 if OK, -ve on error + */ +int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only); + +/** * dm_scan_other() - Scan for other devices * * Some devices may not be visible to Driver Model. This weak function can |