diff --git a/arch/arm/dts/am57xx-beagle-x15-revb1.dts b/arch/arm/dts/am57xx-beagle-x15-revb1.dts
index ca85570..5a77b33 100644
--- a/arch/arm/dts/am57xx-beagle-x15-revb1.dts
+++ b/arch/arm/dts/am57xx-beagle-x15-revb1.dts
@@ -19,6 +19,26 @@
 };
 
 &mmc1 {
+	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-0 = <&mmc1_pins_default>;
+	pinctrl-1 = <&mmc1_pins_hs>;
+	pinctrl-2 = <&mmc1_pins_sdr12>;
+	pinctrl-3 = <&mmc1_pins_sdr25>;
+	pinctrl-4 = <&mmc1_pins_sdr50>;
+	pinctrl-5 = <&mmc1_pins_ddr50 &mmc1_iodelay_ddr_rev11_conf>;
+	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev11_conf>;
 	vmmc-supply = <&vdd_3v3>;
-	vmmc-aux-supply = <&ldo1_reg>;
+	vqmmc-supply = <&ldo1_reg>;
+};
+
+&mmc2 {
+	pinctrl-names = "default", "hs", "ddr_1_8v";
+	pinctrl-0 = <&mmc2_pins_default>;
+	pinctrl-1 = <&mmc2_pins_hs>;
+	pinctrl-2 = <&mmc2_pins_ddr_3_3v_rev11 &mmc2_iodelay_ddr_3_3v_rev11_conf>;
+};
+
+/* errata i880 "Ethernet RGMII2 Limited to 10/100 Mbps" */
+&phy1 {
+	max-speed = <100>;
 };