diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index 6d5710e5753c..bce739f2a081 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -1271,6 +1271,7 @@ temperature-sensor@1f {
 	};
 };
 
+
 &adc0 {
 	ref_voltage = <2500>;
 	status = "okay";
@@ -1298,3 +1299,194 @@ &ehci1 {
 &uhci {
 	status = "okay";
 };
+
+&sgpiom0 {
+	status = "okay";
+	ngpios = <128>;
+	bus-frequency = <48000>;
+};
+
+&gpio0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpiu2_default &pinctrl_gpiu3_default
+		     &pinctrl_gpiu4_default &pinctrl_gpiu6_default>;
+	gpio-line-names =
+	/*A0-A7*/       "","","","","","","","",
+	/*B0-B7*/       "FLT-HSC-SERVER-SLOT8-N","AC-ON-OFF-BTN-CPLD-SLOT5-N",
+			"PWRGD-SLOT1-STBY","PWRGD-SLOT2-STBY",
+			"PWRGD-SLOT3-STBY","PWRGD-SLOT4-STBY","","",
+	/*C0-C7*/       "","","","","FM-NIC0-WAKE-N",
+			"FM-NIC1-WAKE-N","","RST-PCIE-SLOT2-N",
+	/*D0-D7*/       "","","","","","","","",
+	/*E0-E7*/       "PRSNT-NIC1-N","PRSNT-NIC2-N","","RST-PCIE-SLOT1-N",
+			"","","","",
+	/*F0-F7*/       "FM-RESBTN-SLOT1-BMC-N","FM-RESBTN-SLOT2-BMC-N",
+			"FM-RESBTN-SLOT3-BMC-N","FM-RESBTN-SLOT4-BMC-N",
+			"PRSNT-SB-SLOT1-N","PRSNT-SB-SLOT2-N",
+			"PRSNT-SB-SLOT3-N","PRSNT-SB-SLOT4-N",
+	/*G0-G7*/       "","","","","","","","",
+	/*H0-H7*/       "","","","","","","","",
+	/*I0-I7*/       "","","","","","ALT-MEDUSA-ADC-N",
+			"ALT-SMB-BMC-CPLD2-N",
+			"INT-SPIDER-ADC-R-N",
+	/*J0-J7*/       "","","","","","","","",
+	/*K0-K7*/       "","","","","","","","",
+	/*L0-L7*/       "","","","","","","ALT-MEDUSA-P12V-EFUSE-N","",
+	/*M0-M7*/       "EN-NIC0-POWER-BMC-R","EN-NIC1-POWER-BMC-R",
+			"INT-MEDUSA-IOEXP-TEMP-N","PRSNT-NIC3-N",
+			"INT-SMB-BMC-SLOT1-4-BMC-N",
+			"AC-ON-OFF-BTN-CPLD-SLOT6-N","","",
+	/*N0-N7*/       "FLT-HSC-SERVER-SLOT1-N","FLT-HSC-SERVER-SLOT2-N",
+			"FLT-HSC-SERVER-SLOT3-N","FLT-HSC-SERVER-SLOT4-N",
+			"FM-BMC-READY-R2","RST-SMB-NIC0-R-N","","",
+	/*O0-O7*/       "AC-ON-OFF-BTN-CPLD-SLOT8-N","RST-SMB-NIC1-R-N",
+			"RST-SMB-NIC2-R-N","RST-SMB-NIC3-R-N",
+			"","","","",
+	/*P0-P7*/       "ALT-SMB-BMC-CPLD1-N","'BTN-BMC-R2-N",
+			"EN-P3V-BAT-SCALED-R","PWRGD-P5V-USB-BMC",
+			"FM-BMC-RTCRST-R","RST-USB-HUB-R-N",
+			"FLAG-P5V-USB-BMC-N","",
+	/*Q0-Q7*/       "AC-ON-OFF-BTN-CPLD-SLOT1-N","AC-ON-OFF-BTN-CPLD-SLOT2-N",
+			"AC-ON-OFF-BTN-CPLD-SLOT3-N","AC-ON-OFF-BTN-CPLD-SLOT4-N",
+			"PRSNT-SB-SLOT5-N","PRSNT-SB-SLOT6-N",
+			"PRSNT-SB-SLOT7-N","PRSNT-SB-SLOT8-N",
+	/*R0-R7*/       "AC-ON-OFF-BTN-CPLD-SLOT7-N","INT-SMB-BMC-SLOT5-8-BMC-N",
+			"FM-PWRBRK-NIC-BMC-R2","RST-PCIE-SLOT4-N",
+			"RST-PCIE-SLOT5-N","RST-PCIE-SLOT6-N",
+			"RST-PCIE-SLOT7-N","RST-PCIE-SLOT8-N",
+	/*S0-S7*/       "FM-NIC2-WAKE-N","FM-NIC3-WAKE-N",
+			"EN-NIC3-POWER-BMC-R","SEL-BMC-JTAG-MUX-R",
+			"","ALT-P12V-AUX-N","FAST-PROCHOT-N",
+			"SPI-WP-DISABLE-STATUS-R-N",
+	/*T0-T7*/       "","","","","","","","",
+	/*U0-U7*/       "","","RST-PCIE-SLOT3-N","",
+			"","PRSNT-NIC0-N","","",
+	/*V0-V7*/       "FM-RESBTN-SLOT5-BMC-N","FM-RESBTN-SLOT6-BMC-N",
+			"FM-RESBTN-SLOT7-BMC-N","FM-RESBTN-SLOT8-BMC-N",
+			"","","","",
+	/*W0-W7*/       "PRSNT-TPM-BMC-N","PRSNT-OCP-DEBUG-BMC-N","ALT-TEMP-BMC-N","ALT-RTC-BMC-N",
+			"","","","",
+	/*X0-X7*/       "","LT-HSC-SERVER-SLOT6-N","FLT-HSC-SERVER-SLOT7-N","","","",
+			"PWRGD-SLOT5-STBY","PWRGD-SLOT6-STBY",
+	/*Y0-Y7*/       "","","SPI-LOCK-REQ-BMC-N","PWRGD-SLOT7-STBY",
+			"","","EN-NIC2-POWER-BMC-R","",
+	/*Z0-Z7*/       "EN-P5V-USB-CPLD-R","'FLT-HSC-SERVER-SLOT5-N",
+			"PWRGD-SLOT8-STBY","","","","","";
+
+	pin_gpio_b4 {
+		gpios = <ASPEED_GPIO(B, 4) GPIO_ACTIVE_HIGH>;
+		input;
+	};
+	pin_gpio_b5 {
+		gpios = <ASPEED_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
+		input;
+	};
+	pin_gpio_f0 {
+		gpios = <ASPEED_GPIO(F, 0) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f1 {
+		gpios = <ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f2 {
+		gpios = <ASPEED_GPIO(F, 2) GPIO_ACTIVE_LOW>;
+		input;
+		};
+	pin_gpio_f3 {
+		gpios = <ASPEED_GPIO(F, 3) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f4 {
+		gpios = <ASPEED_GPIO(F, 4) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f5 {
+		gpios = <ASPEED_GPIO(F, 5) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f6 {
+		gpios = <ASPEED_GPIO(F, 6) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_f7 {
+		gpios = <ASPEED_GPIO(F, 7) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_l6 {
+		gpios = <ASPEED_GPIO(L, 6) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_l7 {
+		gpios = <ASPEED_GPIO(L, 7) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_s0 {
+		gpios = <ASPEED_GPIO(S, 0) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_s1 {
+		gpios = <ASPEED_GPIO(S, 1) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_v0 {
+		gpios = <ASPEED_GPIO(V, 0) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_v1 {
+		gpios = <ASPEED_GPIO(V, 1) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_v2 {
+		gpios = <ASPEED_GPIO(V, 2) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_v3 {
+		gpios = <ASPEED_GPIO(V, 3) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w0 {
+		gpios = <ASPEED_GPIO(W, 0) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w1 {
+		gpios = <ASPEED_GPIO(W, 1) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w2 {
+		gpios = <ASPEED_GPIO(W, 2) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w3 {
+		gpios = <ASPEED_GPIO(W, 3) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w4 {
+		gpios = <ASPEED_GPIO(W, 4) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w5 {
+		gpios = <ASPEED_GPIO(W, 5) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w6 {
+		gpios = <ASPEED_GPIO(W, 6) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_w7 {
+		gpios = <ASPEED_GPIO(W, 7) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_z3 {
+		gpios = <ASPEED_GPIO(Z, 3) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_z4 {
+		gpios = <ASPEED_GPIO(Z, 4) GPIO_ACTIVE_LOW>;
+		input;
+	};
+	pin_gpio_z5 {
+		gpios = <ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
+		input;
+	};
+};
