diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_clock.h b/plat/xilinx/zynqmp/pm_service/pm_api_clock.h
index c599f59..c406bbd 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_clock.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_clock.h
@@ -276,6 +276,7 @@
 
 struct pm_pll;
 struct pm_pll *pm_clock_get_pll(enum clock_id clock_id);
+struct pm_pll *pm_clock_get_pll_by_related_clk(enum clock_id clock_id);
 uint8_t pm_clock_has_div(unsigned int clock_id, enum pm_clock_div_id div_id);
 
 enum pm_ret_status pm_api_clock_get_name(unsigned int clock_id, char *name);
@@ -300,8 +301,9 @@
 enum pm_ret_status pm_clock_pll_disable(struct pm_pll *pll);
 enum pm_ret_status pm_clock_pll_get_state(struct pm_pll *pll,
 					  unsigned int *state);
-enum pm_ret_status pm_api_clock_setparent(unsigned int clock_id,
-					  unsigned int parent_idx);
+enum pm_ret_status pm_clock_pll_set_parent(struct pm_pll *pll,
+					   enum clock_id clock_id,
+					   unsigned int parent_index);
 enum pm_ret_status pm_api_clock_getparent(unsigned int clock_id,
 					  unsigned int *parent_idx);
 enum pm_ret_status pm_clock_set_pll_mode(enum clock_id clock_id,