152 lines
2.6 KiB
Plaintext
152 lines
2.6 KiB
Plaintext
/*
|
|
* Copyright (c) 2021 Guðni Már Gilbert
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/dts-v1/;
|
|
#include <st/l4/stm32l412XB.dtsi>
|
|
#include <st/l4/stm32l412rbtx-pinctrl.dtsi>
|
|
#include "arduino_r3_connector.dtsi"
|
|
#include <zephyr/dt-bindings/input/input-event-codes.h>
|
|
|
|
/ {
|
|
model = "STMicroelectronics STM32L412RB-P-NUCLEO board";
|
|
compatible = "st,stm32l412rb-p-nucleo";
|
|
|
|
chosen {
|
|
zephyr,console = &lpuart1;
|
|
zephyr,shell-uart = &lpuart1;
|
|
zephyr,sram = &sram0;
|
|
zephyr,flash = &flash0;
|
|
};
|
|
|
|
leds: leds {
|
|
compatible = "gpio-leds";
|
|
green_led: led_0 {
|
|
gpios = <&gpiob 13 GPIO_ACTIVE_HIGH>;
|
|
label = "User LD4";
|
|
};
|
|
};
|
|
|
|
gpio_keys {
|
|
compatible = "gpio-keys";
|
|
user_button: button {
|
|
label = "User";
|
|
gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
|
|
zephyr,code = <INPUT_KEY_0>;
|
|
};
|
|
};
|
|
|
|
aliases {
|
|
led0 = &green_led;
|
|
sw0 = &user_button;
|
|
volt-sensor0 = &vref;
|
|
volt-sensor1 = &vbat;
|
|
};
|
|
};
|
|
|
|
&clk_lsi {
|
|
status = "okay";
|
|
};
|
|
|
|
&clk_hsi {
|
|
status = "okay";
|
|
};
|
|
|
|
&pll {
|
|
div-m = <1>;
|
|
mul-n = <10>;
|
|
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>;
|
|
};
|
|
|
|
&lpuart1 {
|
|
pinctrl-0 = <&lpuart1_tx_pa2 &lpuart1_rx_pa3>;
|
|
pinctrl-names = "default";
|
|
current-speed = <115200>;
|
|
status = "okay";
|
|
};
|
|
|
|
&usart1 {
|
|
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
|
|
pinctrl-names = "default";
|
|
current-speed = <115200>;
|
|
};
|
|
|
|
&spi2 {
|
|
pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15>;
|
|
pinctrl-names = "default";
|
|
cs-gpios = <&gpioa 11 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
|
|
status = "okay";
|
|
};
|
|
|
|
&i2c1 {
|
|
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb7>;
|
|
pinctrl-names = "default";
|
|
clock-frequency = <I2C_BITRATE_FAST>;
|
|
status = "okay";
|
|
};
|
|
|
|
&timers2 {
|
|
status = "okay";
|
|
|
|
pwm2: pwm {
|
|
status = "okay";
|
|
pinctrl-0 = <&tim2_ch1_pa0>;
|
|
pinctrl-names = "default";
|
|
};
|
|
};
|
|
|
|
&rtc {
|
|
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
|
|
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
|
|
status = "okay";
|
|
};
|
|
|
|
&adc1 {
|
|
pinctrl-0 = <&adc1_in5_pa0>;
|
|
pinctrl-names = "default";
|
|
st,adc-clock-source = <SYNC>;
|
|
st,adc-prescaler = <4>;
|
|
status = "okay";
|
|
};
|
|
|
|
&flash0 {
|
|
partitions {
|
|
compatible = "fixed-partitions";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
/*
|
|
* Reserve the final 16 KiB for file system partition
|
|
* 128 KiB --> 131702 bytes
|
|
* 16 KiB --> 16384 bytes
|
|
* Start Addr = 131702 - 16384 --> (HEX) 0x0001c276
|
|
* Size = 16384 --> (HEX) 0x00004000
|
|
*/
|
|
storage_partition: partition@1c276 {
|
|
label = "storage";
|
|
reg = <0x0001c276 DT_SIZE_K(16)>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&vref {
|
|
status = "okay";
|
|
};
|
|
|
|
&vbat {
|
|
status = "okay";
|
|
};
|