diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
index dc759a3028b7..56eb4f1a6bf0 100644
--- a/arch/arm/boot/dts/omap5-board-common.dtsi
+++ b/arch/arm/boot/dts/omap5-board-common.dtsi
@@ -14,6 +14,29 @@
 		display0 = &hdmi0;
 	};
 
+	vmain: fixedregulator-vmain {
+		compatible = "regulator-fixed";
+		regulator-name = "vmain";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vsys_cobra: fixedregulator-vsys_cobra {
+		compatible = "regulator-fixed";
+		regulator-name = "vsys_cobra";
+		vin-supply = <&vmain>;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vdds_1v8_main: fixedregulator-vdds_1v8_main {
+		compatible = "regulator-fixed";
+		regulator-name = "vdds_1v8_main";
+		vin-supply = <&smps7_reg>;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
 	vmmcsd_fixed: fixedregulator-mmcsd {
 		compatible = "regulator-fixed";
 		regulator-name = "vmmcsd_fixed";
@@ -413,6 +436,7 @@
 				smps123_reg: smps123 {
 					/* VDD_OPP_MPU */
 					regulator-name = "smps123";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = < 600000>;
 					regulator-max-microvolt = <1500000>;
 					regulator-always-on;
@@ -422,6 +446,7 @@
 				smps45_reg: smps45 {
 					/* VDD_OPP_MM */
 					regulator-name = "smps45";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = < 600000>;
 					regulator-max-microvolt = <1310000>;
 					regulator-always-on;
@@ -431,6 +456,7 @@
 				smps6_reg: smps6 {
 					/* VDD_DDR3 - over VDD_SMPS6 */
 					regulator-name = "smps6";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <1200000>;
 					regulator-max-microvolt = <1200000>;
 					regulator-always-on;
@@ -440,6 +466,7 @@
 				smps7_reg: smps7 {
 					/* VDDS_1v8_OMAP over VDDS_1v8_MAIN */
 					regulator-name = "smps7";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 					regulator-always-on;
@@ -449,6 +476,7 @@
 				smps8_reg: smps8 {
 					/* VDD_OPP_CORE */
 					regulator-name = "smps8";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = < 600000>;
 					regulator-max-microvolt = <1310000>;
 					regulator-always-on;
@@ -458,6 +486,7 @@
 				smps9_reg: smps9 {
 					/* VDDA_2v1_AUD over VDD_2v1 */
 					regulator-name = "smps9";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <2100000>;
 					regulator-max-microvolt = <2100000>;
 					ti,smps-range = <0x80>;
@@ -466,6 +495,7 @@
 				smps10_out2_reg: smps10_out2 {
 					/* VBUS_5V_OTG */
 					regulator-name = "smps10_out2";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <5000000>;
 					regulator-max-microvolt = <5000000>;
 					regulator-always-on;
@@ -475,6 +505,7 @@
 				smps10_out1_reg: smps10_out1 {
 					/* VBUS_5V_OTG */
 					regulator-name = "smps10_out1";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <5000000>;
 					regulator-max-microvolt = <5000000>;
 				};
@@ -482,6 +513,7 @@
 				ldo1_reg: ldo1 {
 					/* VDDAPHY_CAM: vdda_csiport */
 					regulator-name = "ldo1";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
@@ -489,6 +521,7 @@
 				ldo2_reg: ldo2 {
 					/* VCC_2V8_DISP: Does not go anywhere */
 					regulator-name = "ldo2";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <2800000>;
 					regulator-max-microvolt = <2800000>;
 					/* Unused */
@@ -498,6 +531,7 @@
 				ldo3_reg: ldo3 {
 					/* VDDAPHY_MDM: vdda_lli */
 					regulator-name = "ldo3";
+					vin-supply = <&vdds_1v8_main>;
 					regulator-min-microvolt = <1500000>;
 					regulator-max-microvolt = <1500000>;
 					regulator-boot-on;
@@ -508,6 +542,7 @@
 				ldo4_reg: ldo4 {
 					/* VDDAPHY_DISP: vdda_dsiport/hdmi */
 					regulator-name = "ldo4";
+					vin-supply = <&vdds_1v8_main>;
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 				};
@@ -515,6 +550,7 @@
 				ldo5_reg: ldo5 {
 					/* VDDA_1V8_PHY: usb/sata/hdmi.. */
 					regulator-name = "ldo5";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <1800000>;
 					regulator-always-on;
@@ -524,6 +560,7 @@
 				ldo6_reg: ldo6 {
 					/* VDDS_1V2_WKUP: hsic/ldo_emu_wkup */
 					regulator-name = "ldo6";
+					vin-supply = <&vdds_1v8_main>;
 					regulator-min-microvolt = <1200000>;
 					regulator-max-microvolt = <1200000>;
 					regulator-always-on;
@@ -533,6 +570,7 @@
 				ldo7_reg: ldo7 {
 					/* VDD_VPP: vpp1 */
 					regulator-name = "ldo7";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <2000000>;
 					regulator-max-microvolt = <2000000>;
 					/* Only for efuse reprograming! */
@@ -542,6 +580,7 @@
 				ldo8_reg: ldo8 {
 					/* VDD_3v0: Does not go anywhere */
 					regulator-name = "ldo8";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <3000000>;
 					regulator-max-microvolt = <3000000>;
 					regulator-boot-on;
@@ -551,6 +590,8 @@
 
 				ldo9_reg: ldo9 {
 					/* VCC_DV_SDIO: vdds_sdcard */
+					vin-supply = <&vmmcsdio_fixed>;
+
 					regulator-name = "ldo9";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <3000000>;
@@ -569,6 +610,7 @@
 				ldousb_reg: ldousb {
 					/* VDDA_3V_USB: VDDA_USBHS33 */
 					regulator-name = "ldousb";
+					vin-supply = <&vsys_cobra>;
 					regulator-min-microvolt = <3250000>;
 					regulator-max-microvolt = <3250000>;
 					regulator-always-on;
