diff --git a/plat/imx/common/include/imx_sip_svc.h b/plat/imx/common/include/imx_sip_svc.h
index 3fa6b82..c259d23 100644
--- a/plat/imx/common/include/imx_sip_svc.h
+++ b/plat/imx/common/include/imx_sip_svc.h
@@ -21,6 +21,8 @@
 #define IMX_SIP_OTP_READ		0xC200000A
 #define IMX_SIP_OTP_WRITE		0xC200000B
 
+#define IMX_SIP_MISC_SET_TEMP		0xC200000C
+
 #if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX))
 int imx_cpufreq_handler(uint32_t smc_fid, u_register_t x1,
 			u_register_t x2, u_register_t x3);
@@ -30,6 +32,9 @@
 			   u_register_t x2, u_register_t x3);
 int imx_otp_handler(uint32_t smc_fid, void *handle,
 		    u_register_t x1, u_register_t x2);
+int imx_misc_set_temp_handler(uint32_t smc_fid, u_register_t x1,
+			      u_register_t x2, u_register_t x3,
+			      u_register_t x4);
 #endif
 
 #endif /* __IMX_SIP_SVC_H__ */