diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
new file mode 100644
index 000000000000..d838283bde4b
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -0,0 +1,476 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2021, Linaro Limited
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/qcom,gcc-sm8450.h>
+#include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/soc/qcom,rpmh-rsc.h>
+
+/ {
+	interrupt-parent = <&intc>;
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	chosen { };
+
+	clocks {
+		xo_board: xo-board {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <76800000>;
+			clock-output-names = "xo_board";
+		};
+
+		sleep_clk: sleep-clk {
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+			#clock-cells = <0>;
+		};
+	};
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		CPU0: cpu@0 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x0>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+			power-domains = <&CPU_PD0>;
+			power-domain-names = "psci";
+			L2_0: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+				L3_0: l3-cache {
+				      compatible = "cache";
+				};
+			};
+		};
+
+		CPU1: cpu@100 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x100>;
+			enable-method = "psci";
+			next-level-cache = <&L2_100>;
+			power-domains = <&CPU_PD1>;
+			power-domain-names = "psci";
+			L2_100: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU2: cpu@200 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x200>;
+			enable-method = "psci";
+			next-level-cache = <&L2_200>;
+			power-domains = <&CPU_PD2>;
+			power-domain-names = "psci";
+			L2_200: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU3: cpu@300 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x300>;
+			enable-method = "psci";
+			next-level-cache = <&L2_300>;
+			power-domains = <&CPU_PD3>;
+			power-domain-names = "psci";
+			L2_300: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU4: cpu@400 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x400>;
+			enable-method = "psci";
+			next-level-cache = <&L2_400>;
+			power-domains = <&CPU_PD4>;
+			power-domain-names = "psci";
+			L2_400: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU5: cpu@500 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x500>;
+			enable-method = "psci";
+			next-level-cache = <&L2_500>;
+			power-domains = <&CPU_PD5>;
+			power-domain-names = "psci";
+			L2_500: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+
+		};
+
+		CPU6: cpu@600 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x600>;
+			enable-method = "psci";
+			next-level-cache = <&L2_600>;
+			power-domains = <&CPU_PD6>;
+			power-domain-names = "psci";
+			L2_600: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		CPU7: cpu@700 {
+			device_type = "cpu";
+			compatible = "qcom,kryo780";
+			reg = <0x0 0x700>;
+			enable-method = "psci";
+			next-level-cache = <&L2_700>;
+			power-domains = <&CPU_PD7>;
+			power-domain-names = "psci";
+			L2_700: l2-cache {
+			      compatible = "cache";
+			      next-level-cache = <&L3_0>;
+			};
+		};
+
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&CPU0>;
+				};
+
+				core1 {
+					cpu = <&CPU1>;
+				};
+
+				core2 {
+					cpu = <&CPU2>;
+				};
+
+				core3 {
+					cpu = <&CPU3>;
+				};
+
+				core4 {
+					cpu = <&CPU4>;
+				};
+
+				core5 {
+					cpu = <&CPU5>;
+				};
+
+				core6 {
+					cpu = <&CPU6>;
+				};
+
+				core7 {
+					cpu = <&CPU7>;
+				};
+			};
+		};
+
+		idle-states {
+			entry-method = "psci";
+
+			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "silver-rail-power-collapse";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <274>;
+				exit-latency-us = <480>;
+				min-residency-us = <3934>;
+				local-timer-stop;
+			};
+
+			BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "gold-rail-power-collapse";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <327>;
+				exit-latency-us = <1502>;
+				min-residency-us = <4488>;
+				local-timer-stop;
+			};
+		};
+
+		domain-idle-states {
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "domain-idle-state";
+				idle-state-name = "cluster-l3-off";
+				arm,psci-suspend-param = <0x4100c344>;
+				entry-latency-us = <584>;
+				exit-latency-us = <2332>;
+				min-residency-us = <6118>;
+				local-timer-stop;
+			};
+
+			CLUSTER_SLEEP_1: cluster-sleep-1 {
+				compatible = "domain-idle-state";
+				idle-state-name = "cluster-power-collapse";
+				arm,psci-suspend-param = <0x4100c344>;
+				entry-latency-us = <2893>;
+				exit-latency-us = <4023>;
+				min-residency-us = <9987>;
+				local-timer-stop;
+			};
+		};
+	};
+
+	firmware {
+		scm: scm {
+			compatible = "qcom,scm-sm8450", "qcom,scm";
+			#reset-cells = <1>;
+		};
+	};
+
+	memory@a0000000 {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the size */
+		reg = <0x0 0xa0000000 0x0 0x0>;
+	};
+
+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+
+		CPU_PD0: cpu0 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD1: cpu1 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD2: cpu2 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD3: cpu3 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+		};
+
+		CPU_PD4: cpu4 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD5: cpu5 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD6: cpu6 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CPU_PD7: cpu7 {
+			#power-domain-cells = <0>;
+			power-domains = <&CLUSTER_PD>;
+			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+		};
+
+		CLUSTER_PD: cpu-cluster0 {
+			#power-domain-cells = <0>;
+			domain-idle-states = <&CLUSTER_SLEEP_0>;
+		};
+	};
+
+	soc: soc@0 {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0 0 0 0 0x10 0>;
+		dma-ranges = <0 0 0 0 0x10 0>;
+		compatible = "simple-bus";
+
+		gcc: clock-controller@100000 {
+			compatible = "qcom,gcc-sm8450";
+			reg = <0x0 0x00100000 0x0 0x1f4200>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			#power-domain-cells = <1>;
+			clock-names = "bi_tcxo", "sleep_clk";
+			clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
+		};
+
+		qupv3_id_0: geniqup@9c0000 {
+			compatible = "qcom,geni-se-qup";
+			reg = <0x0 0x009c0000 0x0 0x2000>;
+			clock-names = "m-ahb", "s-ahb";
+			clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
+				 <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			status = "disabled";
+
+			uart7: serial@99c000 {
+				compatible = "qcom,geni-debug-uart";
+				reg = <0 0x0099c000 0 0x4000>;
+				clock-names = "se";
+				clocks = <&gcc GCC_QUPV3_WRAP0_S7_CLK>;
+				interrupts = <GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+		};
+
+		tcsr_mutex: hwlock@1f40000 {
+			compatible = "qcom,tcsr-mutex";
+			reg = <0x0 0x01f40000 0x0 0x40000>;
+			#hwlock-cells = <1>;
+		};
+
+		pdc: interrupt-controller@b220000 {
+			compatible = "qcom,sm8450-pdc", "qcom,pdc";
+			reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
+			qcom,pdc-ranges = <0 480 12>, <14 494 24>, <40 520 54>,
+					  <94 609 31>, <125 63 1>, <126 716 12>;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&intc>;
+			interrupt-controller;
+		};
+
+		intc: interrupt-controller@17100000 {
+			compatible = "arm,gic-v3";
+			#interrupt-cells = <3>;
+			interrupt-controller;
+			#redistributor-regions = <1>;
+			redistributor-stride = <0x0 0x40000>;
+			reg = <0x0 0x17100000 0x0 0x10000>,     /* GICD */
+			      <0x0 0x17180000 0x0 0x200000>;    /* GICR * 8 */
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		timer@17420000 {
+			compatible = "arm,armv7-timer-mem";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			reg = <0x0 0x17420000 0x0 0x1000>;
+			clock-frequency = <19200000>;
+
+			frame@17421000 {
+				frame-number = <0>;
+				interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x17421000 0x0 0x1000>,
+				      <0x0 0x17422000 0x0 0x1000>;
+			};
+
+			frame@17423000 {
+				frame-number = <1>;
+				interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x17423000 0x0 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17425000 {
+				frame-number = <2>;
+				interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x17425000 0x0 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17427000 {
+				frame-number = <3>;
+				interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x17427000 0x0 0x1000>;
+				status = "disabled";
+			};
+
+			frame@17429000 {
+				frame-number = <4>;
+				interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x17429000 0x0 0x1000>;
+				status = "disabled";
+			};
+
+			frame@1742b000 {
+				frame-number = <5>;
+				interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x1742b000 0x0 0x1000>;
+				status = "disabled";
+			};
+
+			frame@1742d000 {
+				frame-number = <6>;
+				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x1742d000 0x0 0x1000>;
+				status = "disabled";
+			};
+		};
+
+		apps_rsc: rsc@17a00000 {
+			label = "apps_rsc";
+			compatible = "qcom,rpmh-rsc";
+			reg = <0x0 0x17a00000 0x0 0x10000>,
+			      <0x0 0x17a10000 0x0 0x10000>,
+			      <0x0 0x17a20000 0x0 0x10000>,
+			      <0x0 0x17a30000 0x0 0x10000>;
+			reg-names = "drv-0", "drv-1", "drv-2", "drv-3";
+			interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+			qcom,tcs-offset = <0xd00>;
+			qcom,drv-id = <2>;
+			qcom,tcs-config = <ACTIVE_TCS  3>, <SLEEP_TCS   2>,
+					  <WAKE_TCS    2>, <CONTROL_TCS 0>;
+
+			apps_bcm_voter: bcm-voter {
+				compatible = "qcom,bcm-voter";
+			};
+
+			rpmhcc: clock-controller {
+				compatible = "qcom,sm8450-rpmh-clk";
+				#clock-cells = <1>;
+				clock-names = "xo";
+				clocks = <&xo_board>;
+			};
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+		clock-frequency = <19200000>;
+	};
+};
