zephyr/dts/arc/emsdp.dtsi

/*
 * Copyright (c) 2018, Synopsys, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "skeleton.dtsi"

//#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/gpio/gpio.h>

#define DT_APB_CLK_HZ	100000000

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

		cpu@0 {
			device_type = "cpu";
			compatible = "snps,arcem";
			reg = <0>;
		};

		intc: arcv2-intc {
			compatible = "snps,arcv2-intc";
			interrupt-controller;
			#interrupt-cells = <2>;
		};
	};

	iccm0: iccm@60000000 {
		compatible = "arc,iccm";
		reg = <0x60000000 0x20000>;
	};

	dccm0: dccm@80000000 {
		compatible = "arc,dccm";
		reg = <0x80000000 0x20000>;
	};

	/* this is (Psuedo SRAM), so treat it like mmio-sram */
	sram0: memory@10000000 {
		compatible = "mmio-sram";
		reg = <0x10000000 0x1000000>;
	};


	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		ranges;


		uart0: uart@f0004000 {
			compatible = "ns16550";
			clock-frequency = <DT_APB_CLK_HZ>;
			reg = <0xf0004000 0x1000>;
			label = "UART_0";
			interrupt-parent = <&intc>;
		};

		gpio0: gpio@f0002000 {
			compatible = "snps,designware-gpio";
			reg = <0xf0002000 0xc>;
			bits = <4>;
			label = "GPIO_0";
			interrupt-parent = <&intc>;
			gpio-controller;
			#gpio-cells = <2>;
		};

		gpio1: gpio@f000200c {
			compatible = "snps,designware-gpio";
			reg = <0xf000200c 0xc>;
			bits = <8>;
			label = "GPIO_1";
			interrupt-parent = <&intc>;
			interrupts = <0 1>;
			gpio-controller;
			#gpio-cells = <2>;
		};

	};
};