Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
/*
 * Copyright (c) 2021 Carlo Caione <ccaione@baylibre.com>
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <mem.h>
#include <arm64/armv8-a.dtsi>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	model = "FVP Base RevC 2xAEMv8A";

	chosen {
		/*
		 * The SRAM node is actually located in the
		 * DRAM region of the FVP Base RevC 2xAEMv8A.
		 */
		zephyr,sram = &dram0;
		zephyr,flash = &flash0;
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
	};

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

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

	timer {
		compatible = "arm,armv8-timer";
		interrupt-parent = <&gic>;
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL
			      IRQ_DEFAULT_PRIORITY>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL
			      IRQ_DEFAULT_PRIORITY>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL
			      IRQ_DEFAULT_PRIORITY>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL
			      IRQ_DEFAULT_PRIORITY>;
		label = "arch_timer";
	};

	uartclk: apb-pclk {
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
		#clock-cells = <0>;
	};

	soc {
		interrupt-parent = <&gic>;

		gic: interrupt-controller@2f000000 {
			compatible = "arm,gic";
			reg = <0x2f000000 0x10000>, // GICD
			      <0x2f100000 0x200000>; // GICR
			interrupt-controller;
			#interrupt-cells = <4>;
			label = "GIC";
			status = "okay";
		};

		uart0: uart@1c090000 {
			compatible = "arm,pl011";
			reg = <0x1c090000 0x1000>;
			status = "disabled";
			interrupts = <GIC_SPI 1 0 IRQ_TYPE_LEVEL>;
			interrupt-names = "irq_0";
			label = "UART_0";
			clocks = <&uartclk>;
		};

		flash0: flash@0 {
			compatible = "soc-nv-flash";
			reg = <0x0 DT_SIZE_K(64)>;
		};

		dram0: memory@88000000 {
			compatible = "mmio-dram";
			reg = <0x88000000 DT_SIZE_K(2048)>;
		};
	};
};

&uart0 {
	status = "okay";
	current-speed = <115200>;
};