diff --git a/include/drivers/st/stm32mp1_clk.h b/include/drivers/st/stm32mp1_clk.h
index 3ba8909..1e0d949 100644
--- a/include/drivers/st/stm32mp1_clk.h
+++ b/include/drivers/st/stm32mp1_clk.h
@@ -11,6 +11,38 @@
 
 int stm32mp1_clk_probe(void);
 int stm32mp1_clk_init(void);
+
+bool stm32mp1_rcc_is_secure(void);
+
+void __stm32mp1_clk_enable(unsigned long id, bool caller_is_secure);
+void __stm32mp1_clk_disable(unsigned long id, bool caller_is_secure);
+
+static inline void stm32mp1_clk_enable_non_secure(unsigned long id)
+{
+	__stm32mp1_clk_enable(id, false);
+}
+
+static inline void stm32mp1_clk_enable_secure(unsigned long id)
+{
+	__stm32mp1_clk_enable(id, true);
+}
+
+static inline void stm32mp1_clk_disable_non_secure(unsigned long id)
+{
+	__stm32mp1_clk_disable(id, false);
+}
+
+static inline void stm32mp1_clk_disable_secure(unsigned long id)
+{
+	__stm32mp1_clk_disable(id, true);
+}
+
+unsigned int stm32mp1_clk_get_refcount(unsigned long id);
+
+/* SMP protection on RCC registers access */
+void stm32mp1_clk_rcc_regs_lock(void);
+void stm32mp1_clk_rcc_regs_unlock(void);
+
 void stm32mp1_stgen_increment(unsigned long long offset_in_ms);
 
 #endif /* STM32MP1_CLK_H */
diff --git a/include/drivers/st/stm32mp1_clkfunc.h b/include/drivers/st/stm32mp1_clkfunc.h
index 41b68fd..f303937 100644
--- a/include/drivers/st/stm32mp1_clkfunc.h
+++ b/include/drivers/st/stm32mp1_clkfunc.h
@@ -18,7 +18,6 @@
 	_LSI,
 	_LSE,
 	_I2S_CKIN,
-	_USB_PHY_48,
 	NB_OSC,
 	_UNKNOWN_OSC_ID = 0xFF
 };