xref: /kernel/linux/linux-6.6/arch/arm64/boot/dts/broadcom/bcmbca/bcm6858.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2022 Broadcom Ltd.
 */

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

/ {
	compatible = "brcm,bcm6858", "brcm,bcmbca";
	#address-cells = <2>;
	#size-cells = <2>;

	interrupt-parent = <&gic>;

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		B53_0: cpu@0 {
			compatible = "brcm,brahma-b53";
			device_type = "cpu";
			reg = <0x0 0x0>;
			next-level-cache = <&L2_0>;
			enable-method = "psci";
		};

		B53_1: cpu@1 {
			compatible = "brcm,brahma-b53";
			device_type = "cpu";
			reg = <0x0 0x1>;
			next-level-cache = <&L2_0>;
			enable-method = "psci";
		};

		B53_2: cpu@2 {
			compatible = "brcm,brahma-b53";
			device_type = "cpu";
			reg = <0x0 0x2>;
			next-level-cache = <&L2_0>;
			enable-method = "psci";
		};

		B53_3: cpu@3 {
			compatible = "brcm,brahma-b53";
			device_type = "cpu";
			reg = <0x0 0x3>;
			next-level-cache = <&L2_0>;
			enable-method = "psci";
		};
		L2_0: l2-cache0 {
			compatible = "cache";
			cache-level = <2>;
			cache-unified;
		};
	};

	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)>;
	};

	pmu: pmu {
		compatible = "arm,armv8-pmuv3";
		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&B53_0>, <&B53_1>,
			<&B53_2>, <&B53_3>;
	};

	clocks: clocks {
		periph_clk:periph-clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <200000000>;
		};

		hsspi_pll: hsspi-pll {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <400000000>;
		};
	};

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

	axi@81000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x0 0x81000000 0x8000>;

		gic: interrupt-controller@1000 {
			compatible = "arm,gic-400";
			#interrupt-cells = <3>;
			interrupt-controller;
			reg = <0x1000 0x1000>, /* GICD */
				<0x2000 0x2000>, /* GICC */
				<0x4000 0x2000>, /* GICH */
				<0x6000 0x2000>; /* GICV */
			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
					IRQ_TYPE_LEVEL_HIGH)>;
		};
	};

	bus@ff800000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x0 0xff800000 0x62000>;

		twd: timer-mfd@400 {
			compatible = "brcm,bcm4908-twd", "simple-mfd", "syscon";
			reg = <0x400 0x4c>;
			ranges = <0x0 0x400 0x4c>;

			#address-cells = <1>;
			#size-cells = <1>;

			timer@0 {
				compatible = "brcm,bcm63138-timer";
				reg = <0x0 0x28>;
			};

			watchdog@28 {
				compatible = "brcm,bcm6345-wdt";
				reg = <0x28 0x8>;
			};
		};

		uart0: serial@640 {
			compatible = "brcm,bcm6345-uart";
			reg = <0x640 0x18>;
			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&periph_clk>;
			clock-names = "refclk";
			status = "disabled";
		};

		hsspi: spi@1000 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "brcm,bcm6858-hsspi", "brcm,bcmbca-hsspi-v1.0";
			reg = <0x1000 0x600>;
			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&hsspi_pll &hsspi_pll>;
			clock-names = "hsspi", "pll";
			num-cs = <8>;
			status = "disabled";
		};
	};
};