--- a/plat/mediatek/mt7988/bl2/bl2_plat_init.c
+++ b/plat/mediatek/mt7988/bl2/bl2_plat_init.c
@@ -90,6 +90,8 @@ static void mtk_i2p5g_phy_init(void)
 	 * clear bit 22 to use external MDIO.
 	 */
 	mmio_setbits_32(GBE_TOP_REG, I2P5G_MDIO);
+	/* Internal 2.5Gphy power on sequence */
+	eth_2p5g_phy_mtcmos_ctrl(true);
 }
 
 static void mt7988_i2c_init(void)