diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 1fd75aa..881e492 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -149,6 +149,22 @@
 			ti,hwmods = "counter_32k";
 		};
 
+		dra7_ctrl_general: tisyscon@4a002e00 {
+			compatible = "syscon";
+			reg = <0x4a002e00 0x7c>;
+		};
+
+		pbias_regulator: pbias_regulator {
+			compatible = "ti,pbias-omap";
+			reg = <0 0x4>;
+			syscon = <&dra7_ctrl_general>;
+			pbias_mmc_reg: pbias_mmc_omap5 {
+				regulator-name = "pbias_mmc_omap5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3000000>;
+			};
+		};
+
 		dra7_pmx_core: pinmux@4a003400 {
 			compatible = "pinctrl-single";
 			reg = <0x4a003400 0x0464>;
@@ -524,6 +540,7 @@
 			dmas = <&sdma 61>, <&sdma 62>;
 			dma-names = "tx", "rx";
 			status = "disabled";
+			pbias-supply = <&pbias_mmc_reg>;
 		};
 
 		mmc2: mmc@480b4000 {