diff --git a/plat/nvidia/tegra/include/platform_def.h b/plat/nvidia/tegra/include/platform_def.h
index c59e2be..2a7935f 100644
--- a/plat/nvidia/tegra/include/platform_def.h
+++ b/plat/nvidia/tegra/include/platform_def.h
@@ -33,6 +33,7 @@
 
 #include <arch.h>
 #include <common_def.h>
+#include <tegra_def.h>
 
 /*******************************************************************************
  * Generic platform constants
@@ -47,13 +48,19 @@
 
 #define TEGRA_PRIMARY_CPU		0x0
 
-#define PLATFORM_MAX_AFFLVL		MPIDR_AFFLVL2
+#define PLAT_MAX_PWR_LVL		MPIDR_AFFLVL2
 #define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER_COUNT * \
 					 PLATFORM_MAX_CPUS_PER_CLUSTER)
-#define PLATFORM_NUM_AFFS		(PLATFORM_CORE_COUNT + \
+#define PLAT_NUM_PWR_DOMAINS		(PLATFORM_CORE_COUNT + \
 					 PLATFORM_CLUSTER_COUNT + 1)
 
 /*******************************************************************************
+ * Platform power states
+ ******************************************************************************/
+#define PLAT_MAX_RET_STATE		1
+#define PLAT_MAX_OFF_STATE		(PSTATE_ID_SOC_POWERDN + 1)
+
+/*******************************************************************************
  * Platform console related constants
  ******************************************************************************/
 #define TEGRA_CONSOLE_BAUDRATE		115200
diff --git a/plat/nvidia/tegra/include/t132/tegra_def.h b/plat/nvidia/tegra/include/t132/tegra_def.h
index 2fb9ed7..683c903 100644
--- a/plat/nvidia/tegra/include/t132/tegra_def.h
+++ b/plat/nvidia/tegra/include/t132/tegra_def.h
@@ -37,7 +37,7 @@
  * This value is used by the PSCI implementation during the `SYSTEM_SUSPEND`
  * call as the `state-id` field in the 'power state' parameter.
  ******************************************************************************/
-#define PLAT_SYS_SUSPEND_STATE_ID	0xD
+#define PSTATE_ID_SOC_POWERDN	0xD
 
 /*******************************************************************************
  * GIC memory map
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index 952e2d8..aca9db7 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -31,8 +31,9 @@
 #ifndef __TEGRA_PRIVATE_H__
 #define __TEGRA_PRIVATE_H__
 
-#include <xlat_tables.h>
+#include <arch.h>
 #include <platform_def.h>
+#include <xlat_tables.h>
 
 /*******************************************************************************
  * Tegra DRAM memory base address
@@ -45,7 +46,8 @@
 } plat_params_from_bl2_t;
 
 /* Declarations for plat_psci_handlers.c */
-int32_t tegra_soc_validate_power_state(unsigned int power_state);
+int32_t tegra_soc_validate_power_state(unsigned int power_state,
+		psci_power_state_t *req_state);
 
 /* Declarations for plat_setup.c */
 const mmap_region_t *plat_get_mmio_map(void);