Boot Linux faster!

Check our new training course

Boot Linux faster!

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

Bootlin logo

Elixir Cross Referencer

/*
 * Copyright (c) 2018 Prevas A/S
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <arm/armv7-m.dtsi>
#include <dt-bindings/clock/kinetis_sim.h>
#include <dt-bindings/clock/kinetis_mcg.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	chosen {
		zephyr,entropy = &rnga;
		zephyr,flash-controller = &ftfe;
	};

	aliases {
		adc-0 = &adc0;
		i2c-0 = &i2c0;
		i2c-1 = &i2c1;
		pinmux-a = &porta;
		pinmux-b = &portb;
		pinmux-c = &portc;
		pinmux-d = &portd;
		pinmux-e = &porte;
		spi-0 = &spi0;
		spi-1 = &spi1;
		uart-0 = &uart0;
		uart-1 = &uart1;
		uart-2 = &uart2;
		uart-3 = &uart3;
		usbd-0 = &usbotg;
		watchdog0 = &wdog;
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-m4f";
			reg = <0>;
		};
	};

	/* The on-chip SRAM is split into SRAM_L and SRAM_U regions that form a
	 * contiguous block in the memory map, however misaligned accesses
	 * across the 0x2000_0000 boundary are not supported in the Arm
	 * Cortex-M4 architecture. For clarity and to avoid the temptation for
	 * someone to extend sram0 without solving this issue, we define two
	 * separate memory nodes here and only use the upper one for now. A
	 * potential solution has been proposed in binutils:
	 * https://sourceware.org/ml/binutils/2017-02/msg00250.html
	 */
	sram_l: memory@1fff0000 {
		compatible = "mmio-sram";
		reg = <0x1fff0000 0x10000>;
	};

	sram0: memory@20000000 {
		device_type = "memory";
		compatible = "mmio-sram";
		reg = <0x20000000 0x10000>;
	};

	soc {
		mpu: mpu@4000d000 {
			compatible = "nxp,k22f-mpu";
			reg = <0x4000d000 0x824>;

			status = "disabled";
		};

		mcg: clock-controller@40064000 {
			compatible = "nxp,k22f-mcg";
			reg = <0x40064000 0xd>;
			system-clock-frequency = <120000000>;

			clock-controller;
		};

		osc: clock-controller@40065000 {
			compatible = "nxp,k22f-osc";
			reg = <0x40065000 0x4>;

			enable-external-reference;
		};

		rtc: rtc@4003d000 {
			compatible = "nxp,k22f-rtc";
			reg = <0x4003d000 0x808>;
			clock-frequency = <32768>;
		};

		sim: sim@40047000 {
			compatible = "nxp,kinetis-sim";
			reg = <0x40047000 0x1060>;
			label = "SIM";

			#clock-cells = <3>;
		};

		ftfe: flash-controller@40020000 {
			compatible = "nxp,kinetis-ftfe";
			label = "FLASH_CTRL";
			reg = <0x40020000 0x18>;
			interrupts = <18 0>, <19 0>;
			interrupt-names = "command-complete", "read-collision";

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

			flash0: flash@0 {
				compatible = "soc-nv-flash";
				label = "MCUX_FLASH";
				reg = <0 0x100000>;
				erase-block-size = <2048>;
				write-block-size = <8>;
			};
		};

		i2c0: i2c@40066000 {
			compatible = "nxp,kinetis-i2c";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40066000 0x1000>;
			interrupts = <24 0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 6>;
			label = "I2C_0";
			status = "disabled";
		};

		i2c1: i2c@40067000 {
			compatible = "nxp,kinetis-i2c";
			clock-frequency = <I2C_BITRATE_STANDARD>;
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x40067000 0x1000>;
			interrupts = <25 0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 7>;
			label = "I2C_1";
			status = "disabled";
		};

		uart0: uart@4006a000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006a000 0x1000>;
			interrupts = <31 0>, <32 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_CORESYS_CLK 0x1034 10>;
			label = "UART_0";

			status = "disabled";
		};

		uart1: uart@4006b000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006b000 0x1000>;
			interrupts = <33 0>, <34 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_CORESYS_CLK 0x1034 11>;
			label = "UART_1";

			status = "disabled";
		};

		uart2: uart@4006c000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006c000 0x1000>;
			interrupts = <35 0>, <36 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 12>;
			label = "UART_2";

			status = "disabled";
		};

		uart3: uart@4006d000 {
			compatible = "nxp,kinetis-uart";
			reg = <0x4006d000 0x1000>;
			interrupts = <37 0>, <38 0>;
			interrupt-names = "status", "error";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1034 13>;
			label = "UART_3";

			status = "disabled";
		};

		porta: pinmux@40049000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x40049000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 9>;
		};

		portb: pinmux@4004a000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004a000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 10>;
		};

		portc: pinmux@4004b000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004b000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 11>;
		};

		portd: pinmux@4004c000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004c000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 12>;
		};

		porte: pinmux@4004d000 {
			compatible = "nxp,kinetis-pinmux";
			reg = <0x4004d000 0xd0>;
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x1038 13>;
		};

		gpioa: gpio@400ff000 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff000 0x40>;
			interrupts = <59 2>;
			label = "GPIO_0";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&porta>;
		};

		gpiob: gpio@400ff040 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff040 0x40>;
			interrupts = <60 2>;
			label = "GPIO_1";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portb>;
		};

		gpioc: gpio@400ff080 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff080 0x40>;
			interrupts = <61 2>;
			label = "GPIO_2";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portc>;
		};

		gpiod: gpio@400ff0c0 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff0c0 0x40>;
			interrupts = <62 2>;
			label = "GPIO_3";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&portd>;
		};

		gpioe: gpio@400ff100 {
			compatible = "nxp,kinetis-gpio";
			status = "disabled";
			reg = <0x400ff100 0x40>;
			interrupts = <63 2>;
			label = "GPIO_4";
			gpio-controller;
			#gpio-cells = <2>;
			nxp,kinetis-port = <&porte>;
		};

		spi0: spi@4002c000 {
			compatible = "nxp,kinetis-dspi";
			reg = <0x4002c000 0x88>;
			interrupts = <26 3>;
			label = "SPI_0";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x103C 12>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		spi1: spi@4002d000 {
			compatible = "nxp,kinetis-dspi";
			reg = <0x4002d000 0x88>;
			interrupts = <27 3>;
			label = "SPI_1";
			clocks = <&sim KINETIS_SIM_BUS_CLK 0x103C 13>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		wdog: watchdog@40052000 {
			compatible = "nxp,kinetis-wdog";
			reg = <0x40052000 16>;
			interrupts = <22 0>;
			clocks = <&sim KINETIS_SIM_LPO_CLK 0 0>;
			label = "WDT_0";
		};

		ftm0: ftm@40038000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x40038000 0x98>;
			interrupts = <42 0>;
			prescaler = <16>;
			label = "FTM_0";
			status = "disabled";
		};

		ftm1: ftm@40039000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x40039000 0x98>;
			interrupts = <43 0>;
			prescaler = <16>;
			label = "FTM_1";
			status = "disabled";
		};

		ftm2: ftm@4003a000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x4003a000 0x98>;
			interrupts = <44 0>;
			prescaler = <16>;
			label = "FTM_2";
			status = "disabled";
		};

		ftm3: ftm@400b9000{
			compatible = "nxp,kinetis-ftm";
			reg = <0x400b9000 0x98>;
			interrupts = <71 0>;
			prescaler = <16>;
			label = "FTM_3";
			status = "disabled";
		};

		adc0: adc@4003b000{
			compatible = "nxp,kinetis-adc16";
			reg = <0x4003b000 0x70>;
			interrupts = <39 0>;
			label = "ADC_0";
			status = "disabled";
			#io-channel-cells = <1>;
		};

		usbotg: usbd@40072000 {
			compatible = "nxp,kinetis-usbd";
			reg = <0x40072000 0x1000>;
			interrupts = <53 1>;
			interrupt-names = "usb_otg";
			num-bidir-endpoints = <16>;
			status = "disabled";
			label = "USBD";
		};

		rnga: random@40029000 {
			compatible = "nxp,kinetis-rnga";
			reg = <0x40029000 0x1000>;
			status = "okay";
			interrupts = <23 0>;
			label = "RNGA";
		};
	};
};

&nvic {
	arm,num-irq-priority-bits = <4>;
};