blob: 4b158feaa12568d99adef66faa87a2c913c35223 [file] [log] [blame]
/*
* Copyright (c) 2019 eTactica ehf
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/l1/stm32l151Xb.dtsi>
#include <st/l1/stm32l152r(6-8-b)tx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
/ {
model = "STMicroelectronics STM32L1DISCOVERY board";
compatible = "st,stm32l1discovery";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
leds {
compatible = "gpio-leds";
green_led: ld3 {
gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
label = "User LD3";
};
blue_led: ld4 {
gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;
label = "User LD4";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
zephyr,code = <INPUT_KEY_0>;
};
};
aliases {
led0 = &green_led;
led1 = &blue_led;
sw0 = &user_button;
};
};
&clk_lsi {
status = "okay";
};
&clk_hsi {
status = "okay";
};
&pll {
div = <4>;
mul = <8>;
/* out of the box, MCO from stlink is not enabled, unlike later discos */
clocks = <&clk_hsi>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(32)>;
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_pa3>;
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";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c2 {
pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5
&spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
status = "okay";
};
&spi2 {
pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
&spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";
status = "okay";
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
backup_regs {
status = "okay";
};
};