arch/arm64/boot/dts/microchip/sparx5.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
 */

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

/ {
	compatible = "microchip,sparx5";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <1>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;
		cpu-map {
			cluster0 {
				core0 {
					cpu = <&cpu0>;
				};
				core1 {
					cpu = <&cpu1>;
				};
			};
		};
		cpu0: cpu@0 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x0 0x0>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
		cpu1: cpu@1 {
			compatible = "arm,cortex-a53";
			device_type = "cpu";
			reg = <0x0 0x1>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
		L2_0: l2-cache0 {
			compatible = "cache";
		};
	};

	arm-pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>;
	};

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

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

	lcpll_clk: lcpll-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <2500000000>;
	};

	clks: clock-controller@61110000c {
		compatible = "microchip,sparx5-dpll";
		#clock-cells = <1>;
		clocks = <&lcpll_clk>;
		reg = <0x6 0x1110000c 0x24>;
	};

	ahb_clk: ahb-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <250000000>;
	};

	sys_clk: sys-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <625000000>;
	};

	axi: axi@600000000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		gic: interrupt-controller@600300000 {
			compatible = "arm,gic-v3";
			#interrupt-cells = <3>;
			#address-cells = <2>;
			#size-cells = <2>;
			interrupt-controller;
			reg = <0x6 0x00300000 0x10000>,	/* GIC Dist */
			      <0x6 0x00340000 0xc0000>,	/* GICR */
			      <0x6 0x00200000 0x2000>,	/* GICC */
			      <0x6 0x00210000 0x2000>,  /* GICV */
			      <0x6 0x00220000 0x2000>;  /* GICH */
			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
		};

		uart0: serial@600100000 {
			pinctrl-0 = <&uart_pins>;
			pinctrl-names = "default";
			compatible = "ns16550a";
			reg = <0x6 0x00100000 0x20>;
			clocks = <&ahb_clk>;
			reg-io-width = <4>;
			reg-shift = <2>;
			interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;

			status = "disabled";
		};

		uart1: serial@600102000 {
			pinctrl-0 = <&uart2_pins>;
			pinctrl-names = "default";
			compatible = "ns16550a";
			reg = <0x6 0x00102000 0x20>;
			clocks = <&ahb_clk>;
			reg-io-width = <4>;
			reg-shift = <2>;
			interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;

			status = "disabled";
		};

		timer1: timer@600105000 {
			compatible = "snps,dw-apb-timer";
			reg = <0x6 0x00105000 0x1000>;
			clocks = <&ahb_clk>;
			clock-names = "timer";
			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
		};

		gpio: pinctrl@6110101e0 {
			compatible = "microchip,sparx5-pinctrl";
			reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>;
			gpio-controller;
			#gpio-cells = <2>;
			gpio-ranges = <&gpio 0 0 64>;
			interrupt-controller;
			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
			#interrupt-cells = <2>;

			uart_pins: uart-pins {
				pins = "GPIO_10", "GPIO_11";
				function = "uart";
			};

			uart2_pins: uart2-pins {
				pins = "GPIO_26", "GPIO_27";
				function = "uart2";
			};

			i2c_pins: i2c-pins {
				pins = "GPIO_14", "GPIO_15";
				function = "twi";
			};

			i2c2_pins: i2c2-pins {
				pins = "GPIO_28", "GPIO_29";
				function = "twi2";
			};
		};

		i2c0: i2c@600101000 {
			compatible = "snps,designware-i2c";
			status = "disabled";
			pinctrl-0 = <&i2c_pins>;
			pinctrl-names = "default";
			reg = <0x6 0x00101000 0x100>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
			i2c-sda-hold-time-ns = <300>;
			clock-frequency = <100000>;
			clocks = <&ahb_clk>;
		};

		i2c1: i2c@600103000 {
			compatible = "snps,designware-i2c";
			status = "disabled";
			pinctrl-0 = <&i2c2_pins>;
			pinctrl-names = "default";
			reg = <0x6 0x00103000 0x100>;
			#address-cells = <1>;
			#size-cells = <0>;
			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
			i2c-sda-hold-time-ns = <300>;
			clock-frequency = <100000>;
			clocks = <&ahb_clk>;
		};
	};
};