Linux preempt-rt

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/*
 * Copyright (c) 2019-2020 Nordic Semiconductor ASA
 * Copyright (c) 2021 Laird Connectivity
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/ {
	chosen {
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,uart-mcumgr = &uart0;
		zephyr,bt-mon-uart = &uart0;
		zephyr,bt-c2h-uart = &uart0;
	};

	/* Main LEDs and buttons are on an I2C TCA9538 GPIO port expander */
	/* Note TCA9538 does not have configurable internal pull ups/ downs */
	buttons {
		compatible = "gpio-keys";
		boot_button0: boot_button {
			gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
			label = "Bootloader button (S4)";
		};

		button1: button_1 {
			gpios = <&gpio_exp0 0 GPIO_ACTIVE_LOW>;
			label = "Push button switch 1 (S1)";
		};

		button2: button_2 {
			gpios = <&gpio_exp0 1 GPIO_ACTIVE_LOW>;
			label = "Push button switch 2 (S2)";
		};

		button3: button_3 {
			gpios = <&gpio_exp0 2 GPIO_ACTIVE_LOW>;
			label = "Push button switch 3 (S9)";
		};

		button4: button_4 {
			gpios = <&gpio_exp0 3 GPIO_ACTIVE_LOW>;
			label = "Push button switch 4 (S10)";
		};
	};

	leds {
		compatible = "gpio-leds";
		led1: led_1 {
			gpios = <&gpio_exp0 4 GPIO_ACTIVE_LOW>;
			label = "Blue LED 1";
		};
		led2: led_2 {
			gpios = <&gpio_exp0 5 GPIO_ACTIVE_LOW>;
			label = "Blue LED 2";
		};
		led3: led_3 {
			gpios = <&gpio_exp0 6 GPIO_ACTIVE_LOW>;
			label = "Blue LED 3";
		};
		led4: led_4 {
			gpios = <&gpio_exp0 7 GPIO_ACTIVE_LOW>;
			label = "Blue LED 4";
		};
	};

	/* These aliases are provided for compatibility with samples */
	aliases {
		led0 = &led1;
		led1 = &led2;
		led2 = &led3;
		led3 = &led4;
		sw0 = &button1;
		sw1 = &button2;
		sw2 = &button3;
		sw3 = &button4;
	};
};

&adc {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&i2c1 {
	compatible = "nordic,nrf-twim";
	status = "okay";
	sda-pin = <34>;
	scl-pin = <35>;

	at24c256@50 {
		compatible = "atmel,at24";
		reg = <0x50>;
		label = "EEPROM";
		size = <32768>;
		pagesize = <64>;
		address-width = <16>;
		timeout = <10>;
	};

	lis3dh@18 {
		compatible = "st,lis2dh";
		label = "LIS3DH";
		reg = <0x18>;
		irq-gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>, <&gpio0 24 GPIO_ACTIVE_HIGH>;
	};

	ft5336@38 {
		compatible = "focaltech,ft5336";
		reg = <0x38>;
		label = "TOUCH";
		int-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
	};

	bme680@76 {
		compatible = "bosch,bme680";
		reg = <0x76>;
		label = "BME680";
	};

	dac0: mcp4725@60 {
		compatible = "microchip,mcp4725";
		reg = <0x60>;
		label = "dac0";
		#io-channel-cells = <1>;
	};

	extrtc0: mcp7940n@6f {
		compatible = "microchip,mcp7940n";
		reg = <0x6f>;
		label = "mcp7940n";
	};

	gpio_exp0: tca9538@70 {
		compatible = "ti,tca9538";
		reg = <0x70>;
		label = "tca9538";
		gpio-controller;
		#gpio-cells = <2>;
		ngpios = <8>;
		nint-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
	};
};

&spi2 {
	compatible = "nordic,nrf-spim";
	status = "okay";
	cs-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
	miso-pin = <26>;
	mosi-pin = <27>;
	sck-pin = <28>;

	enc424j600@0 {
		compatible = "microchip,enc424j600";
		reg = <0>;
		spi-max-frequency = <8000000>;
		label = "ETHERNET";
		int-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
	};
};

&spi3 {
	compatible = "nordic,nrf-spim";
	status = "okay";
	sck-pin = <46>;
	miso-pin = <47>;
	mosi-pin = <45>;
	cs-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;

	sdhc@0 {
		compatible = "zephyr,mmc-spi-slot";
		reg = <0>;
		status = "okay";
		label = "SDHC";
		spi-max-frequency = <8000000>;
	};
};

&spi4 {
	compatible = "nordic,nrf-spim";
	status = "okay";
	cs-gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
	miso-pin = <10>;
	mosi-pin = <9>;
	sck-pin = <8>;

	ili9340@0 {
		compatible = "ilitek,ili9340";
		reg = <0>;
		spi-max-frequency = <32000000>;
		label = "DISPLAY";
		reset-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
		cmd-data-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
		rotation = <270>;
	};
};

&uart0 {
	status = "okay";
	current-speed = <115200>;
	tx-pin = <20>;
	rx-pin = <22>;
	rts-pin = <19>;
	cts-pin = <21>;
};

&pwm0 {
	status = "okay";
	ch0-pin = <28>;
};

&timer0 {
	status = "okay";
};

&timer1 {
	status = "okay";
};

&timer2 {
	status = "okay";
};

&qspi {
	status = "okay";
	sck-pin = <17>;
	io-pins = <13>, <14>, <15>, <16>;
	csn-pins = <18>;
	mx25r64: mx25r6435f@0 {
		compatible = "nordic,qspi-nor";
		reg = <0>;
		/* MX25R64 supports only pp and pp4io */
		writeoc = "pp4io";
		/* MX25R64 supports all readoc options */
		readoc = "read4io";
		sck-frequency = <8000000>;
		label = "MX25R64";
		jedec-id = [c2 28 17];
		sfdp-bfp = [
			e5 20 f1 ff  ff ff ff 03  44 eb 08 6b  08 3b 04 bb
			ee ff ff ff  ff ff 00 ff  ff ff 00 ff  0c 20 0f 52
			10 d8 00 ff  23 72 f5 00  82 ed 04 cc  44 83 68 44
			30 b0 30 b0  f7 c4 d5 5c  00 be 29 ff  f0 d0 ff ff
		];
		size = <67108864>;
		has-dpd;
		t-enter-dpd = <10000>;
		t-exit-dpd = <35000>;
	};
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* 64K */
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0x00010000>;
		};
		/* 640K */
		slot0_partition: partition@10000 {
			label = "image-0";
		};
		/* 256K */
		slot0_ns_partition: partition@b0000 {
			label = "image-0-nonsecure";
		};

		/*
		 * The flash starting at 0x000f8000 and ending at
		 * 0x000fffff is reserved for use by the application.
		 */

		/*
		 * Storage partition will be used by FCB/NVS
		 * if enabled. 32K
		 */
		storage_partition: partition@f8000 {
			label = "storage";
			reg = <0x000f8000 0x00008000>;
		};
	};
};

&mx25r64 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* 640K */
		slot1_partition: partition@0 {
			label = "image-1";
		};
		/* 256K */
		slot1_ns_partition: partition@A0000 {
			label = "image-1-nonsecure";
		};
		/* 128K */
		scratch_partition: partition@e0000 {
			label = "image-scratch";
			reg = <0x000e0000 0x00020000>;
		};
		/* 7MB */
		lfs_partition: partition@100000 {
			label = "lfs_storage";
			reg = <0x00100000 0x000700000>;
		};
	};
};

/ {
	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		sram0_image: image@20000000 {
			/* Zephyr image(s) memory */
		};

		sram0_s: image_s@20000000 {
			/* Secure image memory */
		};

		sram0_ns: image_ns@20040000 {
			/* Non-Secure image memory */
		};
	};
};

/* Include partition configuration file */
#include "bl5340_dvk_cpuapp_partition_conf.dts"