diff --git a/drivers/rtc/ds1307.c b/drivers/rtc/ds1307.c
index 40ca66b..0e9d3d2 100644
--- a/drivers/rtc/ds1307.c
+++ b/drivers/rtc/ds1307.c
@@ -80,8 +80,8 @@
 #endif
 /*---------------------------------------------------------------------*/
 
-#ifndef CONFIG_SYS_I2C_RTC_ADDR
-# define CONFIG_SYS_I2C_RTC_ADDR	0x68
+#ifndef CFG_SYS_I2C_RTC_ADDR
+# define CFG_SYS_I2C_RTC_ADDR	0x68
 #endif
 
 #if defined(CONFIG_RTC_DS1307) && (CONFIG_SYS_I2C_SPEED > 100000)
@@ -212,13 +212,13 @@
 static
 uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 
 static void rtc_write (uchar reg, uchar val)
 {
-	i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
 
 #endif /* !CONFIG_DM_RTC */
diff --git a/drivers/rtc/ds1337.c b/drivers/rtc/ds1337.c
index 486c01f..2c780ab 100644
--- a/drivers/rtc/ds1337.c
+++ b/drivers/rtc/ds1337.c
@@ -184,13 +184,13 @@
 static
 uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 
 static void rtc_write (uchar reg, uchar val)
 {
-	i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
 #else
 static uchar rtc_read(struct udevice *dev, uchar reg)
diff --git a/drivers/rtc/ds1374.c b/drivers/rtc/ds1374.c
index 9f2647d..89442f9 100644
--- a/drivers/rtc/ds1374.c
+++ b/drivers/rtc/ds1374.c
@@ -29,8 +29,8 @@
 #endif
 /*---------------------------------------------------------------------*/
 
-#ifndef CONFIG_SYS_I2C_RTC_ADDR
-# define CONFIG_SYS_I2C_RTC_ADDR	0x68
+#ifndef CFG_SYS_I2C_RTC_ADDR
+# define CFG_SYS_I2C_RTC_ADDR	0x68
 #endif
 
 #if defined(CONFIG_RTC_DS1374) && (CONFIG_SYS_I2C_SPEED > 400000)
@@ -194,21 +194,21 @@
  */
 static uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 static void rtc_write(uchar reg, uchar val, bool set)
 {
 	if (set == true) {
-		val |= i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg);
-		i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+		val |= i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg);
+		i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 	} else {
-		val = i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg) & ~val;
-		i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+		val = i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg) & ~val;
+		i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 	}
 }
 
 static void rtc_write_raw (uchar reg, uchar val)
 {
-		i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+		i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
diff --git a/drivers/rtc/ds3231.c b/drivers/rtc/ds3231.c
index 5b72e86..bd32ed2 100644
--- a/drivers/rtc/ds3231.c
+++ b/drivers/rtc/ds3231.c
@@ -164,13 +164,13 @@
 static
 uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 
 static void rtc_write (uchar reg, uchar val)
 {
-	i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
 #else
 static int ds3231_rtc_get(struct udevice *dev, struct rtc_time *tmp)
diff --git a/drivers/rtc/m41t62.c b/drivers/rtc/m41t62.c
index 8be532c..66a0faa 100644
--- a/drivers/rtc/m41t62.c
+++ b/drivers/rtc/m41t62.c
@@ -319,7 +319,7 @@
 {
 	u8 buf[M41T62_DATETIME_REG_SIZE];
 
-	i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE);
+	i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE);
 	m41t62_update_rtc_time(tm, buf);
 
 	return 0;
@@ -329,10 +329,10 @@
 {
 	u8 buf[M41T62_DATETIME_REG_SIZE];
 
-	i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE);
+	i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE);
 	m41t62_set_rtc_buf(tm, buf);
 
-	if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 1, buf,
+	if (i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 1, buf,
 		      M41T62_DATETIME_REG_SIZE)) {
 		printf("I2C write failed in %s()\n", __func__);
 		return -1;
@@ -349,8 +349,8 @@
 	 * M41T82: Make sure HT (Halt Update) bit is cleared.
 	 * This bit is 0 in M41T62 so its save to clear it always.
 	 */
-	i2c_read(CONFIG_SYS_I2C_RTC_ADDR, M41T62_REG_ALARM_HOUR, 1, &val, 1);
+	i2c_read(CFG_SYS_I2C_RTC_ADDR, M41T62_REG_ALARM_HOUR, 1, &val, 1);
 	val &= ~M41T80_ALHOUR_HT;
-	i2c_write(CONFIG_SYS_I2C_RTC_ADDR, M41T62_REG_ALARM_HOUR, 1, &val, 1);
+	i2c_write(CFG_SYS_I2C_RTC_ADDR, M41T62_REG_ALARM_HOUR, 1, &val, 1);
 }
 #endif /* CONFIG_DM_RTC */
diff --git a/drivers/rtc/max6900.c b/drivers/rtc/max6900.c
index 1192883..e03a87f 100644
--- a/drivers/rtc/max6900.c
+++ b/drivers/rtc/max6900.c
@@ -16,20 +16,20 @@
 #include <i2c.h>
 #include <linux/delay.h>
 
-#ifndef	CONFIG_SYS_I2C_RTC_ADDR
-#define	CONFIG_SYS_I2C_RTC_ADDR	0x50
+#ifndef	CFG_SYS_I2C_RTC_ADDR
+#define	CFG_SYS_I2C_RTC_ADDR	0x50
 #endif
 
 /* ------------------------------------------------------------------------- */
 
 static uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 static void rtc_write (uchar reg, uchar val)
 {
-	i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 	udelay(2500);
 }
 
diff --git a/drivers/rtc/pcf8563.c b/drivers/rtc/pcf8563.c
index 19faefb..91a4124 100644
--- a/drivers/rtc/pcf8563.c
+++ b/drivers/rtc/pcf8563.c
@@ -111,12 +111,12 @@
 
 static uchar rtc_read (uchar reg)
 {
-	return (i2c_reg_read (CONFIG_SYS_I2C_RTC_ADDR, reg));
+	return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg));
 }
 
 static void rtc_write (uchar reg, uchar val)
 {
-	i2c_reg_write (CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
 #else
 static int pcf8563_rtc_get(struct udevice *dev, struct rtc_time *tmp)
diff --git a/drivers/rtc/pt7c4338.c b/drivers/rtc/pt7c4338.c
index c987494..e0a7bd3 100644
--- a/drivers/rtc/pt7c4338.c
+++ b/drivers/rtc/pt7c4338.c
@@ -53,12 +53,12 @@
 /****** Helper functions ****************************************/
 static u8 rtc_read(u8 reg)
 {
-	return i2c_reg_read(CONFIG_SYS_I2C_RTC_ADDR, reg);
+	return i2c_reg_read(CFG_SYS_I2C_RTC_ADDR, reg);
 }
 
 static void rtc_write(u8 reg, u8 val)
 {
-	i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, reg, val);
+	i2c_reg_write(CFG_SYS_I2C_RTC_ADDR, reg, val);
 }
 /****************************************************************/
 
diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c
index 97ec001..6b1c23c 100644
--- a/drivers/rtc/rs5c372.c
+++ b/drivers/rtc/rs5c372.c
@@ -39,8 +39,8 @@
 #define rtc_debug 0	/* gcc will remove all the debug code for us */
 #endif
 
-#ifndef CONFIG_SYS_I2C_RTC_ADDR
-#define CONFIG_SYS_I2C_RTC_ADDR 0x32
+#ifndef CFG_SYS_I2C_RTC_ADDR
+#define CFG_SYS_I2C_RTC_ADDR 0x32
 #endif
 
 #define RS5C372_RAM_SIZE 0x10
@@ -63,7 +63,7 @@
 {
 	int ret;
 
-	ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, len);
+	ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, len);
 	if (ret != 0) {
 		printf("%s: failed to read\n", __FUNCTION__);
 		return ret;
@@ -103,7 +103,7 @@
 	buf[14] = 0; /* reg. 13 */
 	buf[15] = 0; /* reg. 14 */
 	buf[16] = USE_24HOUR_MODE; /* reg. 15 */
-	ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1);
+	ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1);
 	if (ret != 0) {
 		printf("%s: failed\n", __FUNCTION__);
 		return;
@@ -204,7 +204,7 @@
 	memset(buf, 0, sizeof(buf));
 
 	/* only read register 15 */
-	ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1);
+	ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1);
 
 	if (ret == 0) {
 		/* need to save register 15 */
@@ -233,7 +233,7 @@
 			printf("WARNING: year should be between 1970 and 2069!\n");
 		buf[7] = bin2bcd(tmp->tm_year % 100);
 
-		ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8);
+		ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8);
 		if (ret != 0) {
 			printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret);
 			return -1;
diff --git a/drivers/rtc/rx8010sj.c b/drivers/rtc/rx8010sj.c
index d513561..bf93b55 100644
--- a/drivers/rtc/rx8010sj.c
+++ b/drivers/rtc/rx8010sj.c
@@ -33,8 +33,8 @@
 #endif
 /*---------------------------------------------------------------------*/
 
-#ifndef CONFIG_SYS_I2C_RTC_ADDR
-# define CONFIG_SYS_I2C_RTC_ADDR	0x32
+#ifndef CFG_SYS_I2C_RTC_ADDR
+# define CFG_SYS_I2C_RTC_ADDR	0x32
 #endif
 
 /*
@@ -313,7 +313,7 @@
 int rtc_get(struct rtc_time *tm)
 {
 	struct ludevice dev = {
-			.chip = CONFIG_SYS_I2C_RTC_ADDR,
+			.chip = CFG_SYS_I2C_RTC_ADDR,
 	};
 
 	return rx8010sj_rtc_get(&dev, tm);
@@ -322,7 +322,7 @@
 int rtc_set(struct rtc_time *tm)
 {
 	struct ludevice dev = {
-			.chip = CONFIG_SYS_I2C_RTC_ADDR,
+			.chip = CFG_SYS_I2C_RTC_ADDR,
 	};
 
 	return rx8010sj_rtc_set(&dev, tm);
@@ -331,7 +331,7 @@
 void rtc_reset(void)
 {
 	struct ludevice dev = {
-			.chip = CONFIG_SYS_I2C_RTC_ADDR,
+			.chip = CFG_SYS_I2C_RTC_ADDR,
 	};
 
 	rx8010sj_rtc_reset(&dev);
@@ -340,7 +340,7 @@
 void rtc_init(void)
 {
 	struct ludevice dev = {
-			.chip = CONFIG_SYS_I2C_RTC_ADDR,
+			.chip = CFG_SYS_I2C_RTC_ADDR,
 	};
 
 	rx8010sj_rtc_init(&dev);
diff --git a/drivers/rtc/x1205.c b/drivers/rtc/x1205.c
index ce23427..4a8d1c5 100644
--- a/drivers/rtc/x1205.c
+++ b/drivers/rtc/x1205.c
@@ -77,7 +77,7 @@
 
 static void rtc_write(int reg, u8 val)
 {
-	i2c_write(CONFIG_SYS_I2C_RTC_ADDR, reg, 2, &val, 1);
+	i2c_write(CFG_SYS_I2C_RTC_ADDR, reg, 2, &val, 1);
 }
 
 /*
@@ -89,7 +89,7 @@
 {
 	u8 buf[8];
 
-	i2c_read(CONFIG_SYS_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8);
+	i2c_read(CFG_SYS_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8);
 
 	debug("%s: raw read data - sec=%02x, min=%02x, hr=%02x, "
 	      "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n",