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Open Menu / arch / arm64 / boot / dts / intel / keembay-soc.dtsi
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
/*
 * Copyright (C) 2020, Intel Corporation.
 *
 * Device tree describing Keem Bay SoC.
 */

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

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

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

		cpu@0 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x0>;
			enable-method = "psci";
		};

		cpu@1 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x1>;
			enable-method = "psci";
		};

		cpu@2 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x2>;
			enable-method = "psci";
		};

		cpu@3 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x3>;
			enable-method = "psci";
		};
	};

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

	gic: interrupt-controller@20500000 {
		compatible = "arm,gic-v3";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0x0 0x20500000 0x0 0x20000>,	/* GICD */
		      <0x0 0x20580000 0x0 0x80000>;	/* GICR */
		/* VGIC maintenance interrupt */
		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
	};

	timer {
		compatible = "arm,armv8-timer";
		/* Secure, non-secure, virtual, and hypervisor */
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
	};

	pmu {
		compatible = "arm,armv8-pmuv3";
		interrupts = <GIC_PPI 0x7 IRQ_TYPE_LEVEL_HIGH>;
	};

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

		uart0: serial@20150000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x0 0x20150000 0x0 0x100>;
			interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
			clock-frequency = <24000000>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart1: serial@20160000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x0 0x20160000 0x0 0x100>;
			interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
			clock-frequency = <24000000>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart2: serial@20170000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x0 0x20170000 0x0 0x100>;
			interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
			clock-frequency = <24000000>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart3: serial@20180000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x0 0x20180000 0x0 0x100>;
			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
			clock-frequency = <24000000>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};
	};
};