diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
index d81b2475e67e..3b5794cd0357 100644
--- a/arch/arm/mach-mmp/gplugd.c
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/gpio-pxa.h>
+#include <linux/phy.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -158,6 +159,7 @@ struct pxa168_eth_platform_data gplugd_eth_platform_data = {
 	.port_number = 0,
 	.phy_addr    = 0,
 	.speed       = 0, /* Autonagotiation */
+	.intf        = PHY_INTERFACE_MODE_RMII,
 	.init        = gplugd_eth_init,
 };
 
diff --git a/include/linux/pxa168_eth.h b/include/linux/pxa168_eth.h
index 18d75e795606..37c381120bc8 100644
--- a/include/linux/pxa168_eth.h
+++ b/include/linux/pxa168_eth.h
@@ -13,6 +13,7 @@ struct pxa168_eth_platform_data {
 	 */
 	int	speed;		/* 0, SPEED_10, SPEED_100 */
 	int	duplex;		/* DUPLEX_HALF or DUPLEX_FULL */
+	phy_interface_t intf;
 
 	/*
 	 * Override default RX/TX queue sizes if nonzero.