boards/blues/swan_r5/swan_r5.dts

/*
 * Copyright (c) 2022 Blues Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/l4/stm32l4r5Xi.dtsi>
#include <st/l4/stm32l4r5z(g-i)yx-pinctrl.dtsi>
#include "feather_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "Blues Wireless Swan board";
	compatible = "blues,swan-r5";

	chosen {
		zephyr,console = &lpuart1;
		zephyr,shell-uart = &lpuart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";

		led0: led_0 {
			gpios = <&gpioe 2 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	// PE6 can be used to discharge the 3v3 net. Disabled by default.
	zephyr,user {
		dischrg-gpios = <&gpioe 6 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
		status = "disabled";
	};

	supply-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "supply-3v3";
		enable-gpios = <&gpioe 4 GPIO_ACTIVE_HIGH>;
		regulator-boot-on;
	};

	aliases {
		led0 = &led0;
		sw0 = &user_button;
		volt-sensor0 = &vref;
		volt-sensor1 = &vbat;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hsi48 {
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

&pll {
	div-m = <4>;
	mul-n = <40>;
	div-p = <7>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hsi>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(80)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pd6>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&lpuart1 {
	pinctrl-0 = <&lpuart1_tx_pg7 &lpuart1_rx_pg8>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
	pinctrl-names = "default";
	status = "okay";
};

&i2c2 {
	pinctrl-0 = <&i2c2_scl_pf1 &i2c2_sda_pf0>;
	pinctrl-names = "default";
	status = "okay";
};

&i2c3 {
	pinctrl-0 = <&i2c3_scl_pc0 &i2c3_sda_pc9>;
	pinctrl-names = "default";
	status = "okay";
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
	pinctrl-names = "default";
	cs-gpios = <&gpioa 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

&spi2 {
	pinctrl-0 = <&spi2_nss_pd0 &spi2_sck_pd1
		     &spi2_miso_pb14 &spi2_mosi_pb15>;
	pinctrl-names = "default";
	status = "okay";
};

&spi3 {
	pinctrl-0 = <&spi3_nss_pa15 &spi3_sck_pc10
		     &spi3_miso_pc11 &spi3_mosi_pc12>;
	pinctrl-names = "default";
	status = "okay";
};

zephyr_udc0: &usbotg_fs {
	pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12
		     &usb_otg_fs_id_pa10>;
	pinctrl-names = "default";
	status = "okay";
};

&timers2 {
	status = "okay";

	pwm2: pwm {
		status = "okay";
		pinctrl-0 = <&tim2_ch1_pa0>;
		pinctrl-names = "default";
	};
};

&rtc {
	clocks = <&rcc STM32_CLOCK(APB1, 28)>,
		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";
};

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

		/* Reserve last 16KiB for property storage */
		storage_partition: partition@1FB000 {
			label = "storage";
			reg = <0x001FB000 0x00004000>;
		};
	};
};

&adc1 {
	pinctrl-0 = <&adc1_in6_pa1>;
	pinctrl-names = "default";
	st,adc-clock-source = "SYNC";
	st,adc-prescaler = <4>;
	status = "okay";
};

&vref {
	status = "okay";
};

&vbat {
	status = "okay";
};