diff --git a/include/stm32_rcc.h b/include/stm32_rcc.h
new file mode 100644
index 0000000..6dfb9cc
--- /dev/null
+++ b/include/stm32_rcc.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2017
+ * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __STM32_RCC_H_
+#define __STM32_RCC_H_
+
+#define AHB_PSC_1			0
+#define AHB_PSC_2			0x8
+#define AHB_PSC_4			0x9
+#define AHB_PSC_8			0xA
+#define AHB_PSC_16			0xB
+#define AHB_PSC_64			0xC
+#define AHB_PSC_128			0xD
+#define AHB_PSC_256			0xE
+#define AHB_PSC_512			0xF
+
+#define APB_PSC_1			0
+#define APB_PSC_2			0x4
+#define APB_PSC_4			0x5
+#define APB_PSC_8			0x6
+#define APB_PSC_16			0x7
+
+struct pll_psc {
+	u8	pll_m;
+	u16	pll_n;
+	u8	pll_p;
+	u8	pll_q;
+	u8	ahb_psc;
+	u8	apb1_psc;
+	u8	apb2_psc;
+};
+
+struct stm32_clk_info {
+	struct pll_psc sys_pll_psc;
+	bool has_overdrive;
+};
+
+enum soc_family {
+	STM32F4,
+	STM32F7,
+};
+
+struct stm32_rcc_clk {
+	char *drv_name;
+	enum soc_family soc;
+};
+
+#endif /* __STM32_RCC_H_ */