zmk/app/boards/arm/proton_c/proton_c.dts

/*
 * Copyright (c) 2020 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

/dts-v1/;
#include <st/f3/stm32f303Xc.dtsi>
#include <st/f3/stm32f303c(b-c)tx-pinctrl.dtsi>
#include "arduino_pro_micro_pins.dtsi"

/ {
	model = "QMK Proton C";
	compatible = "qmk,proton_c", "st,stm32f303";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,console = &cdc_acm_uart0;
	};

	aliases {
		led0 = &led;
	};

	leds {
		compatible = "gpio-leds";
		led: led_0 {
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
			label = "User LED";
		};
	};
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	pinctrl-names = "default";
};

&spi2 {
	pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
	pinctrl-names = "default";
};

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

&clk_hse {
	status = "okay";
	clock-frequency = <DT_FREQ_M(8)>;
};

&pll {
	prediv = <1>;
	mul = <9>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(72)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <2>;
	apb2-prescaler = <1>;
};

&usb {
	pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
	pinctrl-names = "default";
	status = "okay";
	cdc_acm_uart0: cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";
		label = "CDC_ACM_0";
	};
};

&rtc {
	status = "okay";
};

&flash0 {
	/*
	 * For more information, see:
	 * http://docs.zephyrproject.org/latest/guides/dts/index.html#flash-partitions
	 */
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Set 6Kb of storage at the end of the 256Kb of flash */
		storage_partition: partition@3e800 {
			label = "storage";
			reg = <0x0003e800 0x00001800>;
		};
	};
};