diff --git a/arch/arm/dts/imx8mq-smarc.dts b/arch/arm/dts/imx8mq-smarc.dts
index 81d2581..0073739 100644
--- a/arch/arm/dts/imx8mq-smarc.dts
+++ b/arch/arm/dts/imx8mq-smarc.dts
@@ -123,7 +123,7 @@
 
 		ethphy0: ethernet-phy@0 {
 			compatible = "ethernet-phy-ieee802.3-c22";
-			reg = <6>;
+			reg = <1>;
 			at803x,eee-disabled;
 		};
 	};
diff --git a/configs/smarcimx8mq_2g_ser0_android_defconfig b/configs/smarcimx8mq_2g_ser0_android_defconfig
index 6ec8f14..ce05e22 100644
--- a/configs/smarcimx8mq_2g_ser0_android_defconfig
+++ b/configs/smarcimx8mq_2g_ser0_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser0_defconfig b/configs/smarcimx8mq_2g_ser0_defconfig
index 13f8459..7db6672 100644
--- a/configs/smarcimx8mq_2g_ser0_defconfig
+++ b/configs/smarcimx8mq_2g_ser0_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser1_android_defconfig b/configs/smarcimx8mq_2g_ser1_android_defconfig
index 75fccd6..08dadea 100644
--- a/configs/smarcimx8mq_2g_ser1_android_defconfig
+++ b/configs/smarcimx8mq_2g_ser1_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser1_defconfig b/configs/smarcimx8mq_2g_ser1_defconfig
index b847861..eabac5d 100644
--- a/configs/smarcimx8mq_2g_ser1_defconfig
+++ b/configs/smarcimx8mq_2g_ser1_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser2_android_defconfig b/configs/smarcimx8mq_2g_ser2_android_defconfig
index 44c83fc..13a6932 100644
--- a/configs/smarcimx8mq_2g_ser2_android_defconfig
+++ b/configs/smarcimx8mq_2g_ser2_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser2_defconfig b/configs/smarcimx8mq_2g_ser2_defconfig
index 4b7c7a0..7e434a1 100644
--- a/configs/smarcimx8mq_2g_ser2_defconfig
+++ b/configs/smarcimx8mq_2g_ser2_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser3_android_defconfig b/configs/smarcimx8mq_2g_ser3_android_defconfig
index 5524f4d..bca43f5 100644
--- a/configs/smarcimx8mq_2g_ser3_android_defconfig
+++ b/configs/smarcimx8mq_2g_ser3_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_2g_ser3_defconfig b/configs/smarcimx8mq_2g_ser3_defconfig
index 09815f7..ad82365 100644
--- a/configs/smarcimx8mq_2g_ser3_defconfig
+++ b/configs/smarcimx8mq_2g_ser3_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser0_android_defconfig b/configs/smarcimx8mq_4g_ser0_android_defconfig
index 7b7b573..ac23be5 100644
--- a/configs/smarcimx8mq_4g_ser0_android_defconfig
+++ b/configs/smarcimx8mq_4g_ser0_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser0_defconfig b/configs/smarcimx8mq_4g_ser0_defconfig
index 47d7e58..8d79c38 100644
--- a/configs/smarcimx8mq_4g_ser0_defconfig
+++ b/configs/smarcimx8mq_4g_ser0_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser1_android_defconfig b/configs/smarcimx8mq_4g_ser1_android_defconfig
index f178e18..81d24ed 100644
--- a/configs/smarcimx8mq_4g_ser1_android_defconfig
+++ b/configs/smarcimx8mq_4g_ser1_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser1_defconfig b/configs/smarcimx8mq_4g_ser1_defconfig
index 550e4c4..bead0a4 100644
--- a/configs/smarcimx8mq_4g_ser1_defconfig
+++ b/configs/smarcimx8mq_4g_ser1_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser2_android_defconfig b/configs/smarcimx8mq_4g_ser2_android_defconfig
index 29f6da3..6aa9f70 100644
--- a/configs/smarcimx8mq_4g_ser2_android_defconfig
+++ b/configs/smarcimx8mq_4g_ser2_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser2_defconfig b/configs/smarcimx8mq_4g_ser2_defconfig
index 1eefd62..26ec3c8 100644
--- a/configs/smarcimx8mq_4g_ser2_defconfig
+++ b/configs/smarcimx8mq_4g_ser2_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser3_android_defconfig b/configs/smarcimx8mq_4g_ser3_android_defconfig
index 24a1c8a..e26182e 100644
--- a/configs/smarcimx8mq_4g_ser3_android_defconfig
+++ b/configs/smarcimx8mq_4g_ser3_android_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/configs/smarcimx8mq_4g_ser3_defconfig b/configs/smarcimx8mq_4g_ser3_defconfig
index 490e561..b985a25 100644
--- a/configs/smarcimx8mq_4g_ser3_defconfig
+++ b/configs/smarcimx8mq_4g_ser3_defconfig
@@ -85,7 +85,7 @@ CONFIG_SF_DEFAULT_SPEED=40000000
 CONFIG_SF_DEFAULT_MODE=0
 
 CONFIG_PHYLIB=y
-CONFIG_PHY_ATHEROS=y
+CONFIG_PHY_REALTEK=y
 #CONFIG_MMC_IO_VOLTAGE=y
 #CONFIG_MMC_UHS_SUPPORT=y
 #CONFIG_MMC_HS400_SUPPORT=y
diff --git a/include/configs/smarcimx8mq.h b/include/configs/smarcimx8mq.h
index 7eb9367..82ab1c2 100644
--- a/include/configs/smarcimx8mq.h
+++ b/include/configs/smarcimx8mq.h
@@ -52,7 +52,7 @@
 #define PHY_ANEG_TIMEOUT 20000
 
 #define CONFIG_FEC_XCV_TYPE             RGMII
-#define CONFIG_FEC_MXC_PHYADDR          6
+#define CONFIG_FEC_MXC_PHYADDR          1
 #define FEC_QUIRK_ENET_MAC
 
 #define IMX_FEC_BASE			0x30BE0000