diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 679b46a6a565..c8b81f419fd8 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -108,6 +108,10 @@
 #define I2C_DRIVERID_UPD64083	78	/* upd64083 video processor	*/
 #define I2C_DRIVERID_UPD64031A	79	/* upd64031a video processor	*/
 #define I2C_DRIVERID_SAA717X	80	/* saa717x video encoder	*/
+#define I2C_DRIVERID_DS1672	81	/* Dallas/Maxim DS1672 RTC	*/
+#define I2C_DRIVERID_X1205	82	/* Xicor/Intersil X1205 RTC	*/
+#define I2C_DRIVERID_PCF8563	83	/* Philips PCF8563 RTC		*/
+#define I2C_DRIVERID_RS5C372	84	/* Ricoh RS5C372 RTC		*/
 
 #define I2C_DRIVERID_I2CDEV	900
 #define I2C_DRIVERID_ARP        902    /* SMBus ARP Client              */