diff --git a/include/drivers/st/stm32mp1_ddr.h b/include/drivers/st/stm32mp1_ddr.h
index 363e302..4ab37d6 100644
--- a/include/drivers/st/stm32mp1_ddr.h
+++ b/include/drivers/st/stm32mp1_ddr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2018-2019, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
  */
@@ -153,7 +153,7 @@
 
 struct stm32mp1_ddr_info {
 	const char *name;
-	uint16_t speed; /* in MHZ */
+	uint32_t speed; /* in kHZ */
 	uint32_t size;  /* Memory size in byte = col * row * width */
 };
 
@@ -168,7 +168,7 @@
 	struct stm32mp1_ddrphy_cal p_cal;
 };
 
-int stm32mp1_ddr_clk_enable(struct ddr_info *priv, uint16_t mem_speed);
+int stm32mp1_ddr_clk_enable(struct ddr_info *priv, uint32_t mem_speed);
 void stm32mp1_ddr_init(struct ddr_info *priv,
 		       struct stm32mp1_ddr_config *config);
 #endif /* STM32MP1_DDR_H */
diff --git a/include/dt-bindings/interrupt-controller/arm-gic.h b/include/dt-bindings/interrupt-controller/arm-gic.h
new file mode 100644
index 0000000..aa9158c
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/arm-gic.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/*
+ * This header provides constants for the ARM GIC.
+ */
+
+#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
+#define _DT_BINDINGS_INTERRUPT_CONTROLLER_ARM_GIC_H
+
+/* interrupt specifier cell 0 */
+
+#define GIC_SPI 0
+#define GIC_PPI 1
+
+#define IRQ_TYPE_NONE		0
+#define IRQ_TYPE_EDGE_RISING	1
+#define IRQ_TYPE_EDGE_FALLING	2
+#define IRQ_TYPE_EDGE_BOTH	(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
+#define IRQ_TYPE_LEVEL_HIGH	4
+#define IRQ_TYPE_LEVEL_LOW	8
+
+#endif
diff --git a/include/dt-bindings/pinctrl/stm32-pinfunc.h b/include/dt-bindings/pinctrl/stm32-pinfunc.h
index e2f1f1b..7f6e4b9 100644
--- a/include/dt-bindings/pinctrl/stm32-pinfunc.h
+++ b/include/dt-bindings/pinctrl/stm32-pinfunc.h
@@ -32,4 +32,10 @@
 
 #define STM32_PINMUX(port, line, mode) (((PIN_NO(port, line)) << 8) | (mode))
 
+/*  package information */
+#define STM32MP157CAA	0x1
+#define STM32MP157CAB	0x2
+#define STM32MP157CAC	0x4
+#define STM32MP157CAD	0x8
+
 #endif /* _DT_BINDINGS_STM32_PINFUNC_H */