Phandles are the fancy device tree name for "pointer to another node". To create a phandle property, we most likely want to reference to the node we're pointing to by its path. So create a helper that allows us to do so.
Signed-off-by: Alexander Graf <ag...@suse.de> --- device_tree.c | 7 +++++++ device_tree.h | 2 ++ 2 files changed, 9 insertions(+), 0 deletions(-) diff --git a/device_tree.c b/device_tree.c index b1dff4f..8e9262c 100644 --- a/device_tree.c +++ b/device_tree.c @@ -162,6 +162,13 @@ int qemu_devtree_setprop_string(void *fdt, const char *node_path, return r; } +int qemu_devtree_setprop_phandle(void *fdt, const char *node_path, + const char *property, const char *string) +{ + uint32_t phandle = fdt_get_phandle(fdt, findnode_nofail(fdt, string)); + return qemu_devtree_setprop_cell(fdt, node_path, property, phandle); +} + int qemu_devtree_nop_node(void *fdt, const char *node_path) { int r; diff --git a/device_tree.h b/device_tree.h index 9db7f86..2e87c58 100644 --- a/device_tree.h +++ b/device_tree.h @@ -31,6 +31,8 @@ int qemu_devtree_setprop_cell4(void *fdt, const char *node_path, uint32_t val2, uint32_t val3, uint32_t val4); int qemu_devtree_setprop_string(void *fdt, const char *node_path, const char *property, const char *string); +int qemu_devtree_setprop_phandle(void *fdt, const char *node_path, + const char *property, const char *string); int qemu_devtree_nop_node(void *fdt, const char *node_path); int qemu_devtree_add_subnode(void *fdt, const char *name); -- 1.6.0.2