diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 23cbc7203a8e..d551aed79286 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -32,6 +32,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-bmc-ibm-rainier.dtb \
 	aspeed-bmc-ibm-rainier-1s4u.dtb \
 	aspeed-bmc-ibm-rainier-4u.dtb \
+	aspeed-bmc-ibm-system1.dtb \
 	aspeed-bmc-intel-s2600wf.dtb \
 	aspeed-bmc-inspur-fp5280g2.dtb \
 	aspeed-bmc-inspur-nf5280m6.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
new file mode 100644
index 000000000000..b1de909a3750
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -0,0 +1,1623 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2023 IBM Corp.
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
+#include <dt-bindings/leds/leds-pca955x.h>
+
+/ {
+	model = "System1";
+	compatible = "ibm,system1-bmc", "aspeed,ast2600";
+
+	aliases {
+		i2c16 = &i2c8mux1chn0;
+		i2c17 = &i2c8mux1chn1;
+		i2c18 = &i2c8mux1chn2;
+		i2c19 = &i2c8mux1chn3;
+		i2c20 = &i2c8mux1chn4;
+		i2c21 = &i2c8mux1chn5;
+		i2c22 = &i2c8mux1chn6;
+		i2c23 = &i2c8mux1chn7;
+		i2c24 = &i2c3mux0chn0;
+		i2c25 = &i2c3mux0chn1;
+		i2c26 = &i2c3mux0chn2;
+		i2c27 = &i2c3mux0chn3;
+		i2c28 = &i2c3mux0chn4;
+		i2c29 = &i2c3mux0chn5;
+		i2c30 = &i2c3mux0chn6;
+		i2c31 = &i2c3mux0chn7;
+		i2c32 = &i2c6mux0chn0;
+		i2c33 = &i2c6mux0chn1;
+		i2c34 = &i2c6mux0chn2;
+		i2c35 = &i2c6mux0chn3;
+		i2c36 = &i2c6mux0chn4;
+		i2c37 = &i2c6mux0chn5;
+		i2c38 = &i2c6mux0chn6;
+		i2c39 = &i2c6mux0chn7;
+		i2c40 = &i2c7mux0chn0;
+		i2c41 = &i2c7mux0chn1;
+		i2c42 = &i2c7mux0chn2;
+		i2c43 = &i2c7mux0chn3;
+		i2c44 = &i2c7mux0chn4;
+		i2c45 = &i2c7mux0chn5;
+		i2c46 = &i2c7mux0chn6;
+		i2c47 = &i2c7mux0chn7;
+		i2c48 = &i2c8mux0chn0;
+		i2c49 = &i2c8mux0chn1;
+		i2c50 = &i2c8mux0chn2;
+		i2c51 = &i2c8mux0chn3;
+		i2c52 = &i2c8mux0chn4;
+		i2c53 = &i2c8mux0chn5;
+		i2c54 = &i2c8mux0chn6;
+		i2c55 = &i2c8mux0chn7;
+		i2c56 = &i2c14mux0chn0;
+		i2c57 = &i2c14mux0chn1;
+		i2c58 = &i2c14mux0chn2;
+		i2c59 = &i2c14mux0chn3;
+		i2c60 = &i2c14mux0chn4;
+		i2c61 = &i2c14mux0chn5;
+		i2c62 = &i2c14mux0chn6;
+		i2c63 = &i2c14mux0chn7;
+		i2c64 = &i2c15mux0chn0;
+		i2c65 = &i2c15mux0chn1;
+		i2c66 = &i2c15mux0chn2;
+		i2c67 = &i2c15mux0chn3;
+		i2c68 = &i2c15mux0chn4;
+		i2c69 = &i2c15mux0chn5;
+		i2c70 = &i2c15mux0chn6;
+		i2c71 = &i2c15mux0chn7;
+	};
+
+	chosen {
+		stdout-path = "uart5:115200n8";
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		eventlog: tcg-event-log@b3d00000 {
+			no-map;
+			reg = <0xb3d00000 0x100000>;
+		};
+
+		ramoops@b3e00000 {
+			compatible = "ramoops";
+			reg = <0xb3e00000 0x200000>; /* 16 * (4 * 0x8000) */
+			record-size = <0x8000>;
+			console-size = <0x8000>;
+			ftrace-size = <0x8000>;
+			pmsg-size = <0x8000>;
+			max-reason = <3>; /* KMSG_DUMP_EMERG */
+		};
+
+		/* LPC FW cycle bridge region requires natural alignment */
+		flash_memory: region@b4000000 {
+			no-map;
+			reg = <0xb4000000 0x04000000>; /* 64M */
+		};
+
+		/* VGA region is dictated by hardware strapping */
+		vga_memory: region@bf000000 {
+			no-map;
+			compatible = "shared-dma-pool";
+			reg = <0xbf000000 0x01000000>;  /* 16M */
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led-0 {
+			gpios = <&gpio0 ASPEED_GPIO(L, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		led-1 {
+			gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		led-2 {
+			gpios = <&gpio0 ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>;
+		};
+
+		led-3 {
+			gpios = <&gpio0 ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		led-4 {
+			gpios = <&pca3 5 GPIO_ACTIVE_LOW>;
+		};
+
+		led-5 {
+			gpios = <&pca3 6 GPIO_ACTIVE_LOW>;
+		};
+
+		led-6 {
+			gpios = <&pca3 7 GPIO_ACTIVE_LOW>;
+		};
+
+		led-7 {
+			gpios = <&pca3 8 GPIO_ACTIVE_LOW>;
+		};
+
+		led-8 {
+			gpios = <&pca3 9 GPIO_ACTIVE_LOW>;
+		};
+
+		led-9 {
+			gpios = <&pca3 10 GPIO_ACTIVE_LOW>;
+		};
+
+		led-a {
+			gpios = <&pca3 11 GPIO_ACTIVE_LOW>;
+		};
+
+		led-b {
+			gpios = <&pca4 4 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-c {
+			gpios = <&pca4 5 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-d {
+			gpios = <&pca4 6 GPIO_ACTIVE_HIGH>;
+		};
+
+		led-e {
+			gpios = <&pca4 7 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		poll-interval = <1000>;
+
+		event-nvme0-presence {
+			label = "nvme0-presence";
+			gpios = <&pca4 0 GPIO_ACTIVE_LOW>;
+			linux,code = <0>;
+		};
+
+		event-nvme1-presence {
+			label = "nvme1-presence";
+			gpios = <&pca4 1 GPIO_ACTIVE_LOW>;
+			linux,code = <1>;
+		};
+
+		event-nvme2-presence {
+			label = "nvme2-presence";
+			gpios = <&pca4 2 GPIO_ACTIVE_LOW>;
+			linux,code = <2>;
+		};
+
+		event-nvme3-presence {
+			label = "nvme3-presence";
+			gpios = <&pca4 3 GPIO_ACTIVE_LOW>;
+			linux,code = <3>;
+		};
+	};
+
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&p12v_vd 0>, <&p5v_aux_vd 0>,
+			<&p5v_bmc_aux_vd 0>, <&p3v3_aux_vd 0>,
+			<&p3v3_bmc_aux_vd 0>, <&p1v8_bmc_aux_vd 0>,
+			<&adc1 4>, <&adc0 2>, <&adc1 0>,
+			<&p2v5_aux_vd 0>, <&adc1 7>;
+	};
+
+	p12v_vd: voltage-divider1 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 3>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 1127/127 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <15>;
+		full-ohms = <133>;
+	};
+
+	p5v_aux_vd: voltage-divider2 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 5>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 1365/365 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <50>;
+		full-ohms = <187>;
+	};
+
+	p5v_bmc_aux_vd: voltage-divider3 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 3>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 1365/365 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <50>;
+		full-ohms = <187>;
+	};
+
+	p3v3_aux_vd: voltage-divider4 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 2>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 1698/698 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <14>;
+		full-ohms = <34>;
+	};
+
+	p3v3_bmc_aux_vd: voltage-divider5 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 7>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 1698/698 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <14>;
+		full-ohms = <34>;
+	};
+
+	p1v8_bmc_aux_vd: voltage-divider6 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 6>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 4000/3000 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <3>;
+		full-ohms = <4>;
+	};
+
+	p2v5_aux_vd: voltage-divider7 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 1>;
+		#io-channel-cells = <1>;
+
+		/*
+		 * Scale the system voltage by 2100/1100 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <11>;
+		full-ohms = <21>;
+	};
+
+	p1v8_bmc_aux: fixedregulator-p1v8-bmc-aux {
+		compatible = "regulator-fixed";
+		regulator-name = "p1v8_bmc_aux";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+};
+
+&adc0 {
+	status = "okay";
+	vref-supply = <&p1v8_bmc_aux>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc0_default
+		&pinctrl_adc1_default
+		&pinctrl_adc2_default
+		&pinctrl_adc3_default
+		&pinctrl_adc4_default
+		&pinctrl_adc5_default
+		&pinctrl_adc6_default
+		&pinctrl_adc7_default>;
+};
+
+&adc1 {
+	status = "okay";
+	vref-supply = <&p1v8_bmc_aux>;
+	aspeed,battery-sensing;
+
+	aspeed,int-vref-microvolt = <2500000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc8_default
+		&pinctrl_adc9_default
+		&pinctrl_adc10_default
+		&pinctrl_adc11_default
+		&pinctrl_adc12_default
+		&pinctrl_adc13_default
+		&pinctrl_adc14_default
+		&pinctrl_adc15_default>;
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&uhci {
+	status = "okay";
+};
+
+&gpio0 {
+	gpio-line-names =
+	/*A0-A7*/	"","","","","","","","",
+	/*B0-B7*/	"","","","","bmc-tpm-reset","","","",
+	/*C0-C7*/	"","","","","","","","",
+	/*D0-D7*/	"","","","","","","","",
+	/*E0-E7*/	"","","","","","","","",
+	/*F0-F7*/	"","","","","","","","",
+	/*G0-G7*/	"","","","","","","","",
+	/*H0-H7*/	"","","","","","","","",
+	/*I0-I7*/	"","","","","","","","",
+	/*J0-J7*/	"","","","","","","","",
+	/*K0-K7*/	"","","","","","","","",
+	/*L0-L7*/	"","","","","","","","bmc-ready",
+	/*M0-M7*/	"","","","","","","","",
+	/*N0-N7*/	"","","","","","","","",
+	/*O0-O7*/	"","","","","","","","",
+	/*P0-P7*/	"","","","","","","","bmc-hb",
+	/*Q0-Q7*/	"","","","","","","","",
+	/*R0-R7*/	"","","","","","","","",
+	/*S0-S7*/	"","","","","","","rear-enc-fault0","rear-enc-id0",
+	/*T0-T7*/	"","","","","","","","",
+	/*U0-U7*/	"","","","","","","","",
+	/*V0-V7*/	"","rtc-battery-voltage-read-enable","","power-chassis-control","","","","",
+	/*W0-W7*/	"","","","","","","","",
+	/*X0-X7*/	"","power-chassis-good","","","","","","",
+	/*Y0-Y7*/	"","","","","","","","",
+	/*Z0-Z7*/	"","","","","","","","";
+};
+
+&emmc_controller {
+	status = "okay";
+};
+
+&pinctrl_emmc_default {
+	bias-disable;
+};
+
+&emmc {
+	status = "okay";
+	clk-phase-mmc-hs200 = <180>, <180>;
+};
+
+&ibt {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&vuart1 {
+	status = "okay";
+};
+
+&vuart2 {
+	status = "okay";
+};
+
+&lpc_ctrl {
+	status = "okay";
+	memory-region = <&flash_memory>;
+};
+
+&mac2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rmii3_default>;
+	clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>,
+		 <&syscon ASPEED_CLK_MAC3RCLK>;
+	clock-names = "MACCLK", "RCLK";
+	use-ncsi;
+};
+
+&mac3 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rmii4_default>;
+	clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>,
+		 <&syscon ASPEED_CLK_MAC4RCLK>;
+	clock-names = "MACCLK", "RCLK";
+	use-ncsi;
+};
+
+&wdt1 {
+	aspeed,reset-type = "none";
+	aspeed,external-signal;
+	aspeed,ext-push-pull;
+	aspeed,ext-active-high;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdtrst1_default>;
+};
+
+&wdt2 {
+	status = "okay";
+};
+
+&kcs2 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
+&kcs3 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca2>;
+	aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&i2c0 {
+	status = "okay";
+
+	eeprom@50 {
+		compatible = "atmel,24c64";
+		reg = <0x50>;
+	};
+
+	regulator@60 {
+		compatible = "maxim,max8952";
+		reg = <0x60>;
+
+		max8952,default-mode = <0>;
+		max8952,dvs-mode-microvolt = <1250000>, <1200000>,
+						<1050000>, <950000>;
+		max8952,sync-freq = <0>;
+		max8952,ramp-speed = <0>;
+
+		regulator-name = "VR_1.0V";
+		regulator-min-microvolt = <770000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	regulator@42 {
+		compatible = "infineon,ir38263";
+		reg = <0x42>;
+	};
+
+	led-controller@60 {
+		compatible = "nxp,pca9552";
+		reg = <0x60>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		led@0 {
+			label = "nic1-perst";
+			reg = <0>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@1 {
+			label = "bmc-perst";
+			reg = <1>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@2 {
+			label = "reset-M2-SSD1-2-perst";
+			reg = <2>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@3 {
+			label = "pcie-perst1";
+			reg = <3>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@4 {
+			label = "pcie-perst2";
+			reg = <4>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@5 {
+			label = "pcie-perst3";
+			reg = <5>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@6 {
+			label = "pcie-perst4";
+			reg = <6>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@7 {
+			label = "pcie-perst5";
+			reg = <7>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@8 {
+			label = "pcie-perst6";
+			reg = <8>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@9 {
+			label = "pcie-perst7";
+			reg = <9>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@10 {
+			label = "pcie-perst8";
+			reg = <10>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@11 {
+			label = "PV-cp0-sw1stk4-perst";
+			reg = <11>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@12 {
+			label = "PV-cp0-sw1stk5-perst";
+			reg = <12>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@13 {
+			label = "pe-cp-drv0-perst";
+			reg = <13>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@14 {
+			label = "pe-cp-drv1-perst";
+			reg = <14>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@15 {
+			label = "lom-perst";
+			reg = <15>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+	};
+
+	gpio@74 {
+		compatible = "nxp,pca9539";
+		reg = <0x74>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PLUG_DETECT_PCIE_J101_N",
+			"PLUG_DETECT_PCIE_J102_N",
+			"PLUG_DETECT_PCIE_J103_N",
+			"PLUG_DETECT_PCIE_J104_N",
+			"PLUG_DETECT_PCIE_J105_N",
+			"PLUG_DETECT_PCIE_J106_N",
+			"PLUG_DETECT_PCIE_J107_N",
+			"PLUG_DETECT_PCIE_J108_N",
+			"PLUG_DETECT_M2_SSD1_N",
+			"PLUG_DETECT_NIC1_N",
+			"SEL_SMB_DIMM_CPU0",
+			"presence-ps2",
+			"presence-ps3",
+			"", "",
+			"PWRBRD_PLUG_DETECT2_N";
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	power-supply@58 {
+		compatible = "ibm,cffps";
+		reg = <0x58>;
+	};
+
+	power-supply@59 {
+		compatible = "ibm,cffps";
+		reg = <0x59>;
+	};
+
+	power-supply@5a {
+		compatible = "ibm,cffps";
+		reg = <0x5a>;
+	};
+
+	power-supply@5b {
+		compatible = "ibm,cffps";
+		reg = <0x5b>;
+	};
+};
+
+&i2c3 {
+	status = "okay";
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c3mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c3mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c3mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c3mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+
+		i2c3mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+		};
+
+		i2c3mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+		};
+
+		i2c3mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+		};
+
+		i2c3mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+		};
+	};
+};
+
+&i2c4 {
+	status = "okay";
+};
+
+&i2c5 {
+	status = "okay";
+
+	regulator@42 {
+		compatible = "infineon,ir38263";
+		reg = <0x42>;
+	};
+
+	regulator@43 {
+		compatible = "infineon,ir38060";
+		reg = <0x43>;
+	};
+};
+
+&i2c6 {
+	status = "okay";
+
+	fan-controller@52 {
+		compatible = "maxim,max31785a";
+		reg = <0x52>;
+	};
+
+	fan-controller@54 {
+		compatible = "maxim,max31785a";
+		reg = <0x54>;
+	};
+
+	eeprom@55 {
+		compatible = "atmel,24c64";
+		reg = <0x55>;
+	};
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c6mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c6mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c6mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c6mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+
+		i2c6mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+
+			humidity-sensor@40 {
+				compatible = "ti,hdc1080";
+				reg = <0x40>;
+			};
+
+			temperature-sensor@48 {
+				compatible = "ti,tmp275";
+				reg = <0x48>;
+			};
+
+			eeprom@50 {
+				compatible = "atmel,24c32";
+				reg = <0x50>;
+			};
+
+			led-controller@60 {
+				compatible = "nxp,pca9551";
+				reg = <0x60>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				gpio-controller;
+				#gpio-cells = <2>;
+
+				led@0 {
+					label = "enclosure-id-led";
+					reg = <0>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@1 {
+					label = "attention-led";
+					reg = <1>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@2 {
+					label = "enclosure-fault-rollup-led";
+					reg = <2>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@3 {
+					label = "power-on-led";
+					reg = <3>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+			};
+
+			temperature-sensor@76 {
+				compatible = "infineon,dps310";
+				reg = <0x76>;
+			};
+		};
+
+		i2c6mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+		};
+
+		i2c6mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+		};
+
+		i2c6mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+		};
+	};
+
+	pca3: gpio@74 {
+		compatible = "nxp,pca9539";
+		reg = <0x74>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	pca4: gpio@77 {
+		compatible = "nxp,pca9539";
+		reg = <0x77>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PE_NVMED0_EXP_PRSNT_N",
+			"PE_NVMED1_EXP_PRSNT_N",
+			"PE_NVMED2_EXP_PRSNT_N",
+			"PE_NVMED3_EXP_PRSNT_N",
+			"LED_FAULT_NVMED0",
+			"LED_FAULT_NVMED1",
+			"LED_FAULT_NVMED2",
+			"LED_FAULT_NVMED3",
+			"FAN0_PRESENCE_R_N",
+			"FAN1_PRESENCE_R_N",
+			"FAN2_PRESENCE_R_N",
+			"FAN3_PRESENCE_R_N",
+			"FAN4_PRESENCE_R_N",
+			"FAN5_PRESENCE_N",
+			"FAN6_PRESENCE_N",
+			"";
+	};
+};
+
+&i2c7 {
+	status = "okay";
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c7mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c7mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c7mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c7mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+
+			regulator@58 {
+				compatible = "mps,mp2973";
+				reg = <0x58>;
+			};
+		};
+
+		i2c7mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+		};
+
+		i2c7mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+		};
+
+		i2c7mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+		};
+
+		i2c7mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+		};
+	};
+};
+
+&i2c8 {
+	status = "okay";
+
+	i2c-mux@71 {
+		compatible = "nxp,pca9548";
+		reg = <0x71>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c8mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+		};
+
+		i2c8mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+
+			regulator@41 {
+				compatible = "infineon,tda38640";
+				reg = <0x41>;
+			};
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+
+			regulator@5b {
+				compatible = "mps,mp2971";
+				reg = <0x5b>;
+			};
+		};
+
+		i2c8mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c8mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+
+		i2c8mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+
+			i2c-mux@70 {
+				compatible = "nxp,pca9548";
+				reg = <0x70>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				i2c-mux-idle-disconnect;
+
+				i2c8mux1chn0: i2c@0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+				};
+
+				i2c8mux1chn1: i2c@1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+				};
+
+				i2c8mux1chn2: i2c@2 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <2>;
+				};
+
+				i2c8mux1chn3: i2c@3 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <3>;
+				};
+
+				i2c8mux1chn4: i2c@4 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <4>;
+				};
+
+				i2c8mux1chn5: i2c@5 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <5>;
+				};
+
+				i2c8mux1chn6: i2c@6 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <6>;
+				};
+
+				i2c8mux1chn7: i2c@7 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <7>;
+				};
+			};
+		};
+
+		i2c8mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+		};
+
+		i2c8mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+
+			temperature-sensor@4c {
+				compatible = "ti,tmp423";
+				reg = <0x4c>;
+			};
+		};
+
+		i2c8mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+
+			regulator@40 {
+				compatible = "infineon,ir38060";
+				reg = <0x40>;
+			};
+		};
+	};
+};
+
+&i2c9 {
+	status = "okay";
+
+	regulator@40 {
+		compatible = "infineon,ir38263";
+		reg = <0x40>;
+	};
+
+	regulator@41 {
+		compatible = "infineon,ir38263";
+		reg = <0x41>;
+	};
+
+	eeprom@50 {
+		compatible = "atmel,24c64";
+		reg = <0x50>;
+	};
+
+	regulator@60 {
+		compatible = "maxim,max8952";
+		reg = <0x60>;
+
+		max8952,default-mode = <0>;
+		max8952,dvs-mode-microvolt = <1250000>, <1200000>,
+						<1050000>, <950000>;
+		max8952,sync-freq = <0>;
+		max8952,ramp-speed = <0>;
+
+		regulator-name = "VR_1.2V";
+		regulator-min-microvolt = <770000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};
+
+&i2c11 {
+	status = "okay";
+
+	tpm@2e {
+		compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c";
+		reg = <0x2e>;
+		memory-region = <&eventlog>;
+	};
+};
+
+&i2c12 {
+	status = "okay";
+};
+
+&i2c13 {
+	status = "okay";
+
+	regulator@41 {
+		compatible = "infineon,ir38263";
+		reg = <0x41>;
+	};
+
+	led-controller@61 {
+		compatible = "nxp,pca9552";
+		reg = <0x61>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		led@0 {
+			label = "efuse-12v-slots";
+			reg = <0>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@1 {
+			label = "efuse-3p3v-slot";
+			reg = <1>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@3 {
+			label = "nic2-pert";
+			reg = <3>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@4 {
+			label = "pcie-perst9";
+			reg = <4>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@5 {
+			label = "pcie-perst10";
+			reg = <5>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@6 {
+			label = "pcie-perst11";
+			reg = <6>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@7 {
+			label = "pcie-perst12";
+			reg = <7>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@8 {
+			label = "pcie-perst13";
+			reg = <8>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@9 {
+			label = "pcie-perst14";
+			reg = <9>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@10 {
+			label = "pcie-perst15";
+			reg = <10>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@11 {
+			label = "pcie-perst16";
+			reg = <11>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@12 {
+			label = "PV-cp1-sw1stk4-perst";
+			reg = <12>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@13 {
+			label = "PV-cp1-sw1stk5-perst";
+			reg = <13>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@14 {
+			label = "pe-cp-drv2-perst";
+			reg = <14>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@15 {
+			label = "pe-cp-drv3-perst";
+			reg = <15>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+	};
+
+	gpio@75 {
+		compatible = "nxp,pca9539";
+		reg = <0x75>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PLUG_DETECT_PCIE_J109_N",
+			"PLUG_DETECT_PCIE_J110_N",
+			"PLUG_DETECT_PCIE_J111_N",
+			"PLUG_DETECT_PCIE_J112_N",
+			"PLUG_DETECT_PCIE_J113_N",
+			"PLUG_DETECT_PCIE_J114_N",
+			"PLUG_DETECT_PCIE_J115_N",
+			"PLUG_DETECT_PCIE_J116_N",
+			"PLUG_DETECT_M2_SSD2_N",
+			"PLUG_DETECT_NIC2_N",
+			"SEL_SMB_DIMM_CPU1",
+			"presence-ps0",
+			"presence-ps1",
+			"", "",
+			"PWRBRD_PLUG_DETECT1_N";
+	};
+
+	gpio@76 {
+		compatible = "nxp,pca9539";
+		reg = <0x76>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"SW1_BOOTRCVRYB1_N",
+			"SW1_BOOTRCVRYB0_N",
+			"SW2_BOOTRCVRYB1_N",
+			"SW2_BOOTRCVRYB0_N",
+			"SW3_4_BOOTRCVRYB1_N",
+			"SW3_4_BOOTRCVRYB0_N",
+			"SW5_BOOTRCVRYB1_N",
+			"SW5_BOOTRCVRYB0_N",
+			"SW6_BOOTRCVRYB1_N",
+			"SW6_BOOTRCVRYB0_N",
+			"SW1_RESET_N",
+			"SW3_RESET_N",
+			"SW4_RESET_N",
+			"SW2_RESET_N",
+			"SW5_RESET_N",
+			"SW6_RESET_N";
+	};
+};
+
+&i2c14 {
+	status = "okay";
+
+	i2c-mux@70 {
+		compatible = "nxp,pca9548";
+		reg = <0x70>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c14mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+		};
+
+		i2c14mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+		};
+
+		i2c14mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c14mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+
+			regulator@58 {
+				compatible = "mps,mp2973";
+				reg = <0x58>;
+			};
+		};
+
+		i2c14mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+		};
+
+		i2c14mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+		};
+
+		i2c14mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+		};
+
+		i2c14mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+		};
+	};
+};
+
+&i2c15 {
+	status = "okay";
+
+	i2c-mux@71 {
+		compatible = "nxp,pca9548";
+		reg = <0x71>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
+
+		i2c15mux0chn0: i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+		};
+
+		i2c15mux0chn1: i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+
+			regulator@41 {
+				compatible = "infineon,tda38640";
+				reg = <0x41>;
+			};
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+
+			regulator@5b {
+				compatible = "mps,mp2971";
+				reg = <0x5b>;
+			};
+		};
+
+		i2c15mux0chn2: i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+		};
+
+		i2c15mux0chn3: i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+		};
+
+		i2c15mux0chn4: i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+
+			i2c-mux@70 {
+				compatible = "nxp,pca9548";
+				reg = <0x70>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				i2c-mux-idle-disconnect;
+
+				i2c15mux1chn0: i2c@0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+				};
+
+				i2c15mux1chn1: i2c@1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+				};
+
+				i2c15mux1chn2: i2c@2 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <2>;
+				};
+
+				i2c15mux1chn3: i2c@3 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <3>;
+				};
+
+				i2c15mux1chn4: i2c@4 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <4>;
+				};
+
+				i2c15mux1chn5: i2c@5 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <5>;
+				};
+
+				i2c15mux1chn6: i2c@6 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <6>;
+				};
+
+				i2c15mux1chn7: i2c@7 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <7>;
+				};
+			};
+		};
+
+		i2c15mux0chn5: i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+		};
+
+		i2c15mux0chn6: i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+
+			temperature-sensor@4c {
+				compatible = "ti,tmp423";
+				reg = <0x4c>;
+			};
+		};
+
+		i2c15mux0chn7: i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+
+			regulator@40 {
+				compatible = "infineon,ir38060";
+				reg = <0x40>;
+			};
+
+			temperature-sensor@4c {
+				compatible = "ti,tmp423";
+				reg = <0x4c>;
+			};
+		};
+	};
+};
