src/arm64/sprd/ums9620.dtsi

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Unisoc UMS9620 DTS file
 *
 * Copyright (C) 2023, Unisoc Inc.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <2>;
		#size-cells = <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>;
				};
			};
		};

		CPU0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x0>;
			enable-method = "psci";
			cpu-idle-states = <&LIT_CORE_PD>;
		};

		CPU1: cpu@100 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x100>;
			enable-method = "psci";
			cpu-idle-states = <&LIT_CORE_PD>;
		};

		CPU2: cpu@200 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x200>;
			enable-method = "psci";
			cpu-idle-states = <&LIT_CORE_PD>;
		};

		CPU3: cpu@300 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x300>;
			enable-method = "psci";
			cpu-idle-states = <&LIT_CORE_PD>;
		};

		CPU4: cpu@400 {
			device_type = "cpu";
			compatible = "arm,cortex-a76";
			reg = <0x0 0x400>;
			enable-method = "psci";
			cpu-idle-states = <&BIG_CORE_PD>;
		};

		CPU5: cpu@500 {
			device_type = "cpu";
			compatible = "arm,cortex-a76";
			reg = <0x0 0x500>;
			enable-method = "psci";
			cpu-idle-states = <&BIG_CORE_PD>;
		};

		CPU6: cpu@600 {
			device_type = "cpu";
			compatible = "arm,cortex-a76";
			reg = <0x0 0x600>;
			enable-method = "psci";
			cpu-idle-states = <&BIG_CORE_PD>;
		};

		CPU7: cpu@700 {
			device_type = "cpu";
			compatible = "arm,cortex-a76";
			reg = <0x0 0x700>;
			enable-method = "psci";
			cpu-idle-states = <&BIG_CORE_PD>;
		};
	};

	idle-states {
		entry-method = "psci";
		LIT_CORE_PD: cpu-pd-lit {
			compatible = "arm,idle-state";
			entry-latency-us = <1000>;
			exit-latency-us = <500>;
			min-residency-us = <2500>;
			local-timer-stop;
			arm,psci-suspend-param = <0x00010000>;
		};

		BIG_CORE_PD: cpu-pd-big {
			compatible = "arm,idle-state";
			entry-latency-us = <4000>;
			exit-latency-us = <4000>;
			min-residency-us = <10000>;
			local-timer-stop;
			arm,psci-suspend-param = <0x00010000>;
		};
	};

	psci {
		compatible = "arm,psci-0.2";
		method = "smc";
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>, /* Physical Secure PPI */
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>, /* Physical Non-Secure PPI */
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>, /* Virtual PPI */
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>; /* Hipervisor PPI */
	};

	pmu-a55 {
		compatible = "arm,cortex-a55-pmu";
		interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>;
	};

	pmu-a76 {
		compatible = "arm,cortex-a76-pmu";
		interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&CPU4>, <&CPU5>, <&CPU6>, <&CPU7>;
	};

	soc: soc {
		compatible = "simple-bus";
		ranges;
		#address-cells = <2>;
		#size-cells = <2>;

		gic: interrupt-controller@12000000 {
			compatible = "arm,gic-v3";
			reg = <0x0 0x12000000 0 0x20000>,	/* GICD */
			      <0x0 0x12040000 0 0x100000>;	/* GICR */
			#interrupt-cells = <3>;
			#address-cells = <2>;
			#size-cells = <2>;
			redistributor-stride = <0x0 0x20000>;	/* 128KB stride */
			#redistributor-regions = <1>;
			interrupt-controller;
			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
		};

		apb@20200000 {
			compatible = "simple-bus";
			ranges = <0 0 0x20200000 0x100000>;
			#address-cells = <1>;
			#size-cells = <1>;

			uart0: serial@0 {
				compatible = "sprd,ums9620-uart",
					     "sprd,sc9836-uart";
				reg = <0 0x100>;
				interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
				clocks = <&ext_26m>;
				status = "disabled";
			};

			uart1: serial@10000 {
				compatible = "sprd,ums9620-uart",
					     "sprd,sc9836-uart";
				reg = <0x10000 0x100>;
				interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
				clocks = <&ext_26m>;
				status = "disabled";
			};
		};
	};

	ext_26m: clk-26m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <26000000>;
		clock-output-names = "ext-26m";
	};

	ext_4m: clk-4m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <4000000>;
		clock-output-names = "ext-4m";
	};

	ext_32k: clk-32k {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		clock-output-names = "ext-32k";
	};

	rco_100m: clk-100m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
		clock-output-names = "rco-100m";
	};

	dphy_312m5: dphy-312m5 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <312500000>;
		clock-output-names = "dphy-312m5";
	};

	dphy_416m7: dphy-416m7 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <416700000>;
		clock-output-names = "dphy-416m7";
	};
};