diff options
| -rw-r--r-- | include/fdtdec.h | 11 | ||||
| -rw-r--r-- | lib/fdtdec.c | 7 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index 3f75387..ba7f873 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -1021,6 +1021,17 @@ int fdtdec_setup_memory_banksize_fdt(const void *blob); int fdtdec_setup_memory_banksize(void); /** + * fdtdec_set_phandle() - sets the phandle of a given node + * + * @param blob FDT blob + * @param node offset in the FDT blob of the node whose phandle is to + * be set + * @param phandle phandle to set for the given node + * @return 0 on success or a negative error code on failure + */ +int fdtdec_set_phandle(void *blob, int node, uint32_t phandle); + +/** * Set up the device tree ready for use */ int fdtdec_setup(void); diff --git a/lib/fdtdec.c b/lib/fdtdec.c index a51dc5e..079a9b1 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -1261,6 +1261,13 @@ __weak void *board_fdt_blob_setup(void) } #endif +int fdtdec_set_phandle(void *blob, int node, uint32_t phandle) +{ + fdt32_t value = cpu_to_fdt32(phandle); + + return fdt_setprop(blob, node, "phandle", &value, sizeof(value)); +} + int fdtdec_setup(void) { #if CONFIG_IS_ENABLED(OF_CONTROL) |