---
 arch/arm/boot/dts/am335x-boneblack.dts |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Index: linux-4.9.47-rt37-r7s8/arch/arm/boot/dts/am335x-boneblack.dts
===================================================================
--- linux-4.9.47-rt37-r7s8.orig/arch/arm/boot/dts/am335x-boneblack.dts
+++ linux-4.9.47-rt37-r7s8/arch/arm/boot/dts/am335x-boneblack.dts
@@ -14,6 +14,24 @@
 / {
 	model = "TI AM335x BeagleBone Black";
 	compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
+
+	cpus {
+		cpu@0 {
+			cpu0-supply = <&dcdc2_reg>;
+			/*
+			 * To consider voltage drop between PMIC and SoC,
+			 * tolerance value is reduced to 2% from 4% and
+			 * voltage value is increased as a precaution.
+			 */
+			operating-points = <
+				/* kHz    uV */
+				1000000	1325000
+				800000	1300000
+				600000  1112000
+				300000   969000
+			>;
+		};
+	};
 };
 
 &ldo3_reg {