linux_kernel/arch/arm64/boot/dts/synaptics/as370.dtsi

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2018 Synaptics Incorporated
 *
 * Author: Jisheng Zhang <jszhang@kernel.org>
 */

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

/ {
	compatible = "syna,as370";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	psci {
		compatible = "arm,psci-1.0";
		method = "smc";
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			compatible = "arm,cortex-a53", "arm,armv8";
			device_type = "cpu";
			reg = <0x0>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_SLEEP_0>;
		};

		cpu1: cpu@1 {
			compatible = "arm,cortex-a53", "arm,armv8";
			device_type = "cpu";
			reg = <0x1>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_SLEEP_0>;
		};

		cpu2: cpu@2 {
			compatible = "arm,cortex-a53", "arm,armv8";
			device_type = "cpu";
			reg = <0x2>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_SLEEP_0>;
		};

		cpu3: cpu@3 {
			compatible = "arm,cortex-a53", "arm,armv8";
			device_type = "cpu";
			reg = <0x3>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_SLEEP_0>;
		};

		l2: cache {
			compatible = "cache";
		};

		idle-states {
			entry-method = "psci";
			CPU_SLEEP_0: cpu-sleep-0 {
				compatible = "arm,idle-state";
				local-timer-stop;
				arm,psci-suspend-param = <0x0010000>;
				entry-latency-us = <75>;
				exit-latency-us = <155>;
				min-residency-us = <1000>;
			};
		};
	};

	osc: osc {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

	pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>,
				     <&cpu1>,
				     <&cpu2>,
				     <&cpu3>;
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
	};

	soc@f7000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0 0xf7000000 0x1000000>;

		gic: interrupt-controller@901000 {
			compatible = "arm,gic-400";
			#interrupt-cells = <3>;
			interrupt-controller;
			reg = <0x901000 0x1000>,
			      <0x902000 0x2000>,
			      <0x904000 0x2000>,
			      <0x906000 0x2000>;
			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
		};

		apb@e80000 {
			compatible = "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0xe80000 0x10000>;

			uart0: serial@c00 {
				compatible = "snps,dw-apb-uart";
				reg = <0xc00 0x100>;
				interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
				clocks = <&osc>;
				reg-shift = <2>;
				status = "disabled";
			};

			gpio0: gpio@1800 {
				compatible = "snps,dw-apb-gpio";
				reg = <0x1800 0x400>;
				#address-cells = <1>;
				#size-cells = <0>;

				porta: gpio-port@0 {
					compatible = "snps,dw-apb-gpio-port";
					gpio-controller;
					#gpio-cells = <2>;
					snps,nr-gpios = <32>;
					reg = <0>;
					interrupt-controller;
					#interrupt-cells = <2>;
					interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
				};
			};

			gpio1: gpio@2000 {
				compatible = "snps,dw-apb-gpio";
				reg = <0x2000 0x400>;
				#address-cells = <1>;
				#size-cells = <0>;

				portb: gpio-port@1 {
					compatible = "snps,dw-apb-gpio-port";
					gpio-controller;
					#gpio-cells = <2>;
					snps,nr-gpios = <32>;
					reg = <0>;
					interrupt-controller;
					#interrupt-cells = <2>;
					interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
				};
			};
		};
	};
};