diff --git a/drivers/firmware/rockchip_sip.c b/drivers/firmware/rockchip_sip.c
index f7c716232fb9..a4e0e93a0b2d 100644
--- a/drivers/firmware/rockchip_sip.c
+++ b/drivers/firmware/rockchip_sip.c
@@ -64,6 +64,14 @@ int sip_smc_set_suspend_mode(u32 ctrl, u32 config1, u32 config2)
 	return res.a0;
 }
 
+struct arm_smccc_res sip_smc_get_suspend_info(u32 info)
+{
+	struct arm_smccc_res res;
+
+	res = __invoke_sip_fn_smc(SIP_SUSPEND_MODE, info, 0, 0);
+	return res;
+}
+
 int sip_smc_virtual_poweroff(void)
 {
 	struct arm_smccc_res res;
diff --git a/include/linux/rockchip/rockchip_sip.h b/include/linux/rockchip/rockchip_sip.h
index 121843343539..80d936b82eb1 100644
--- a/include/linux/rockchip/rockchip_sip.h
+++ b/include/linux/rockchip/rockchip_sip.h
@@ -78,6 +78,7 @@
 #define SUSPEND_DEBUG_ENABLE		0x05
 #define APIOS_SUSPEND_CONFIG		0x06
 #define VIRTUAL_POWEROFF		0x07
+#define SUSPEND_WFI_TIME_MS		0x08
 
 /* SIP_REMOTECTL_CFG call types */
 #define	REMOTECTL_SET_IRQ		0xf0
@@ -110,6 +111,7 @@ struct arm_smccc_res sip_smc_request_share_mem(u32 page_num,
 					       share_page_type_t page_type);
 struct arm_smccc_res sip_smc_mcu_el3fiq(u32 arg0, u32 arg1, u32 arg2);
 struct arm_smccc_res sip_smc_vpu_reset(u32 arg0, u32 arg1, u32 arg2);
+struct arm_smccc_res sip_smc_get_suspend_info(u32 info);
 
 int sip_smc_set_suspend_mode(u32 ctrl, u32 config1, u32 config2);
 int sip_smc_virtual_poweroff(void);
@@ -173,6 +175,11 @@ static inline int sip_smc_set_suspend_mode(u32 ctrl, u32 config1, u32 config2)
 	return 0;
 }
 
+static inline int sip_smc_get_suspend_info(u32 info)
+{
+	return 0;
+}
+
 static inline int sip_smc_virtual_poweroff(void) { return 0; }
 static inline int sip_smc_remotectl_config(u32 func, u32 data) { return 0; }
 static inline u32 sip_smc_secure_reg_read(u32 addr_phy) { return 0; }