boards/beagle/beagleconnect_freedom/beagleconnect_freedom.dts

/*
 * Copyright (c) 2020 Erik Larson
 * Copyright (c) 2020-2022 Jason Kridner, BeagleBoard.org Foundation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <ti/cc1352r7.dtsi>
#include "beagleconnect_freedom-pinctrl.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

#define BTN_GPIO_FLAGS (GPIO_ACTIVE_LOW | GPIO_PULL_UP)

/ {
	model = "BeagleConnect Freedom";
	compatible = "beagle,beagleconnect-freedom";

	aliases {
		led0 = &led0;
		sw0 = &button0;
		mcuboot-button0 = &button0;
		sensor0 = &light;
		sensor1 = &humidity;
		watchdog0 = &wdt0;
	};

	chosen {
		zephyr,sram = &sram0;
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,flash = &flash0;
		zephyr,ieee802154 = &ieee802154g;
		zephyr,code-partition = &slot0_partition;
		zephyr,uart-mcumgr = &uart0;
	};

	gpio_keys {
		compatible = "gpio-keys";

		button0: button_0 {
			gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	/**
	 * The BeagleConnect Freedom has an on-board antenna switch (SKY13317-373LF) used to select
	 * the appropriate RF signal port based on the currently-used PHY.
	 *
	 * Truth table:
	 *
	 * Path         DIO29 DIO30
	 * ===========  ===== =====
	 * Off          0     0
	 * Sub-1 GHz    0     1     // DIO30 mux to IOC_PORT_RFC_GPO0 for auto
	 * 20 dBm TX    1     0     // DIO29 mux to IOC_PORT_RFC_GPO3 for auto
	 */
	antenna_mux0: antenna_mux0 {
		compatible = "skyworks,sky13317";
		status = "okay";
		gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>, <&gpio0 30 GPIO_ACTIVE_HIGH>;
		pinctrl-0 = <&board_ant_tx_pa_off &board_ant_subg_off>;
		pinctrl-1 = <&board_ant_tx_pa_off &board_ant_subg_on>;
		pinctrl-2 = <&board_ant_tx_pa_on &board_ant_subg_on>;
		pinctrl-names = "default", "ant_subg", "ant_subg_pa";
	};

	leds: leds {
		compatible = "gpio-leds";

		led0: led_0 {
			gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>; // 2.4GHz TX/RX
		};
	};

	sens_i2c: sensor-switch {
		status = "okay";
		compatible = "gpio-i2c-switch";
		#address-cells = <1>;
		#size-cells = <0>;
		controller = <&i2c0>;
		gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;

		light: opt3001-light@44 {
			status = "okay";
			compatible = "ti,opt3001";
			reg = <0x44>;
		};

		humidity: hdc2010-humidity@41 {
			status = "okay";
			compatible = "ti,hdc2010";
			reg = <0x41>;
		};
	};
};

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

		/* Allocate 56 KiB for mcuboot */
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(56)>;
		};

		/* Allocate 640 KiB for application */
		slot0_partition: partition@e000 {
			label = "image-0";
			reg = <0x0000e000 DT_SIZE_K(640)>;
		};

		/* (avoid touching CCFG) */
	};
};

&cpu0 {
	clock-frequency = <48000000>;
};

&trng {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

/* Side away from battery connector (with MSP430) */
&uart0 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&uart0_rx_default &uart0_tx_default>;
	pinctrl-names = "default";
};

/* Side with battery connector (with CC1352 and not MSP430) */
&uart1 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&uart1_rx_default &uart1_tx_default>;
	pinctrl-names = "default";
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	pinctrl-0 = <&i2c0_scl_default &i2c0_sda_default>;
	pinctrl-1 = <&i2c0_scl_sleep &i2c0_sda_sleep>;
	pinctrl-names = "default", "sleep";

	mcu: msp430-usbbridge@4 {
		compatible = "beagle,usbbridge";
		reg = <0x4>;
	};
};

&spi0 {
	status = "okay";
	pinctrl-0 = <&spi0_sck_default &spi0_mosi_default
		     &spi0_miso_default &spi0_cs0_default
		     &spi0_cs1_default &spi0_cs2_default>;
	pinctrl-names = "default";
	cs-gpios = <&gpio0 8 GPIO_ACTIVE_LOW>, // SPI flash
		   <&gpio0 28 GPIO_ACTIVE_LOW>,  // mikroBUS port 1
		   <&gpio0 27 GPIO_ACTIVE_LOW>;  // mikroBUS port 2

	spi_flash0: gd25q16c@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <2000000>;
		// Size (2 MiB) is in bits
		size = <0x1000000>;
		//has-be32k;
		has-dpd;
		t-enter-dpd = <20000>;
		t-exit-dpd = <100000>;
		jedec-id = [c8 40 15];

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

			/* Allocate 640 KiB for application */
			slot1_partition: partition@0 {
				label = "image-1";
				reg = <0x00000000 DT_SIZE_K(640)>;
			};

			/* Allocate 128 KiB scratch for image swap */
			scratch_partition: partition@A0000 {
				label = "image-scratch";
				reg = <0x000a0000 DT_SIZE_K(128)>;
			};

			storage_partition: partition@c0000 {
				label = "storage";
				reg = <0x000c0000 DT_SIZE_K(1280)>;
			};
		};
	};
};

&ieee802154g {
	status = "okay";
};

&gpt0 {
	status = "okay";
};

&gpt1 {
	status = "okay";
};

&pwm0 {
	status = "okay";
	pinctrl-0 = <&pwm0_default>;
	pinctrl-names = "default";
};

&pwm1 {
	status = "okay";
	pinctrl-0 = <&pwm1_default>;
	pinctrl-names = "default";
};

&adc0 {
	status = "okay";

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

	/* MB1 AN */
	channel@9 {
		reg = <9>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};

	/* MB2 AN */
	channel@a {
		reg = <10>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};

	/* MB1/2 SCL */
	channel@b {
		reg = <11>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};

	/* MB1/2 SDA */
	channel@c {
		reg = <12>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};

	/* MB2 CS */
	channel@d {
		reg = <13>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};

	/* MB1 CS */
	channel@e {
		reg = <14>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};
};

&wdt0 {
	status = "okay";
};