boards/st/stm32l4r9i_disco/stm32l4r9i_disco.dts

/*
 * Copyright (c) 2023 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
/dts-v1/;
#include <st/l4/stm32l4r9Xi.dtsi>
#include <st/l4/stm32l4r9a(g-i)ix-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32L4R9I-DISCO board";
	compatible = "st,stm32l4r9i-disco";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";
		/* N.B. LD1 (orange) is not wired to MCU */
		green_led: led_2 {
			gpios = <&gpioh 4 GPIO_ACTIVE_LOW>;
			label = "User LD2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		joy_sel: joystick_selection {
			label = "joystick selection";
			gpios = <&gpioc 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>;
			zephyr,code = <INPUT_KEY_ENTER>;
		};
	};

	aliases {
		led0 = &green_led;
		sw0 = &joy_sel;
		die-temp0 = &die_temp;
		volt-sensor0 = &vref;
		volt-sensor1 = &vbat;
		spi-flash0 = &mx25lm51245;
	};
};

&clk_lse {
	status = "okay";
};

&clk_lsi {
	status = "okay";
};

&clk_hsi48 {
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

&clk_msi {
	status = "okay";
	msi-range = <6>;
	msi-pll-mode;
};

&pll {
	status = "okay";
	div-m = <1>;
	mul-n = <60>;
	/*
	 * WORKAROUND: stm32l4-pll-clock does not allow arbitrary PLLP dividers.
	 * Disable PLLP completely since it only feeds SAI, which is not active either.
	 */
	/* div-p = <5>; */
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_msi>;
};

&rcc {
	clocks = <&pll>;
	ahb-prescaler = <1>;
	clock-frequency = <DT_FREQ_M(120)>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
};

&usart2 {
	status = "okay";
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

&lpuart1 {
	status = "okay";
	pinctrl-0 = <&lpuart1_tx_pc1 &lpuart1_rx_pc0>;
	pinctrl-names = "default";
	current-speed = <115200>;
};

&timers3 {
	status = "okay";

	pwm3: pwm {
		status = "okay";
		/*
		 * N.B.: Datasheet indicates that ARD_D11 (wired to PB15) is connected to TIM3_CH2.
		 * However, this is incorrect as PB15 cannot be muxed to TIM3 (see DS12023).
		 * Moved ARD_D11 to TIM15_CH2 instead.
		 */
		pinctrl-0 = <&tim3_ch1_pb4>;
		pinctrl-names = "default";
	};
};

&timers5 {
	status = "okay";

	pwm5: pwm {
		status = "okay";
		pinctrl-0 = <&tim5_ch2_pa1 &tim5_ch4_pi0>;
		pinctrl-names = "default";
	};
};

&timers8 {
	status = "okay";

	pwm8: pwm {
		status = "okay";
		pinctrl-0 = <&tim8_ch1n_ph13>;
		pinctrl-names = "default";
	};
};

&timers15 {
	status = "okay";

	pwm15: pwm {
		status = "okay";
		pinctrl-0 = <&tim15_ch2_pf10 &tim15_ch2_pb15>;
		pinctrl-names = "default";
	};
};

&i2c1 {
	status = "okay";
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pg13>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&i2c3 {
	status = "okay";
	pinctrl-0 = <&i2c3_scl_pg7 &i2c3_sda_pg8>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&spi2 {
	status = "okay";
	pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
	pinctrl-names = "default";
	cs-gpios = <&gpioi 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
				<&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

&sdmmc1 {
	status = "okay";
	pinctrl-0 = <&sdmmc1_d0_pc8 &sdmmc1_d1_pc9
		&sdmmc1_d2_pc10 &sdmmc1_d3_pc11
		&sdmmc1_ck_pc12 &sdmmc1_cmd_pd2>;
	pinctrl-names = "default";
};

&adc1 {
	status = "okay";
	pinctrl-0 = <&adc1_in5_pa0 &adc1_in12_pa7 &adc1_in15_pb0
			&adc1_in4_pc3 &adc1_in13_pc4>;
	pinctrl-names = "default";
	st,adc-clock-source = <SYNC>;
	st,adc-prescaler = <1>;
};

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

&die_temp {
	status = "okay";
};

&vref {
	status = "okay";
};

&vbat {
	status = "okay";
};

&octospi2 {
	status = "okay";
	pinctrl-0 = <&octospim_p2_clk_pi6 &octospim_p2_ncs_pg12
			&octospim_p2_io0_pi11 &octospim_p2_io1_pi10
			&octospim_p2_io2_pi9 &octospim_p2_io3_ph8
			&octospim_p2_io4_ph9 &octospim_p2_io5_ph10
			&octospim_p2_io6_pg9 &octospim_p2_io7_pg10
			&octospim_p2_dqs_pg15>;
	pinctrl-names = "default";

	mx25lm51245: ospi-nor-flash@90000000 {
		status = "okay";
		compatible = "st,stm32-ospi-nor";
		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
		ospi-max-frequency = <DT_FREQ_M(25)>;
		spi-bus-width = <OSPI_OPI_MODE>;
		data-rate = <OSPI_STR_TRANSFER>;
		four-byte-opcodes;
		sfdp-bfp = [
			53 46 44 50 06 01 02 ff
			00 06 01 10 30 00 00 ff
			c2 00 01 04 10 01 00 ff
			84 00 01 02 c0 00 00 ff
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			e5 20 fb ff ff ff ff 1f
			44 eb 08 6b 08 3b 04 bb
			fe ff ff ff ff ff 00 ff
			ff ff 44 eb 0c 20 0f 52
			10 d8 00 ff d6 49 c5 00
			81 df 04 e3 44 03 67 38
			30 b0 30 b0 f7 bd d5 5c
			4a 9e 29 ff f0 50 f9 85
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			00 00 00 00 00 00 00 00
			7f ef ff ff 21 5c dc ff
		];

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

			partition@0 {
				reg = <0x00000000 DT_SIZE_M(64)>;
			};
		};
	};
};