get_node_by_phandle
provider_node = get_node_by_phandle(root, phandle);
provider_node = get_node_by_phandle(root, phandle);
irq_node = get_node_by_phandle(root, phandle);
node = get_node_by_phandle(dti->dt, phandle);
other = get_node_by_phandle(root, phandle);
struct node *get_node_by_phandle(struct node *tree, cell_t phandle);
node = get_node_by_phandle(child, phandle);
while (get_node_by_phandle(root, phandle))
refn = get_node_by_phandle(dti->dt, phandle);