blob: 13eb51663f9f2189929cd66405ac8989c0a9d2fc [file] [log] [blame]
/*
* Copyright (c) 2018 Nathan Tsoi <nathan@vertile.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f0/stm32f051X8.dtsi>
#include <st/f0/stm32f051r8tx-pinctrl.dtsi>
/ {
model = "STMicroelectronics STM32F0DISCOVERY board";
compatible = "st,stm32f058r8-discovery";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,code-partition = &slot0_partition;
};
leds {
compatible = "gpio-leds";
green_led_3: led_3 {
gpios = <&gpioc 9 GPIO_ACTIVE_HIGH>;
label = "User LD3";
};
blue_led_4: led_4 {
gpios = <&gpioc 8 GPIO_ACTIVE_HIGH>;
label = "User LD4";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "Key";
gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
};
};
aliases {
led0 = &green_led_3;
led1 = &blue_led_4;
sw0 = &user_button;
watchdog0 = &iwdg;
};
};
&clk_lsi {
status = "okay";
};
&clk_hse {
clock-frequency = <DT_FREQ_M(8)>;
status = "okay";
};
&pll {
prediv = <1>;
mul = <6>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(48)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
};
/* Due to limited available memory, don't enable gpiod and gpiof */
&gpiod {status = "disabled";};
&gpiof {status = "disabled";};
&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";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "mcuboot";
reg = <0x00000000 DT_SIZE_K(8)>;
read-only;
};
/*
* The flash starting at offset 0x2000 and ending at
* offset 0x3999 is reserved for use by the application.
*/
slot0_partition: partition@4000 {
label = "image-0";
reg = <0x00004000 DT_SIZE_K(16)>;
};
slot1_partition: partition@8000 {
label = "image-1";
reg = <0x00008000 DT_SIZE_K(16)>;
};
scratch_partition: partition@c000 {
label = "image-scratch";
reg = <0x0000C000 DT_SIZE_K(16)>;
};
};
};
&iwdg {
status = "okay";
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
backup_regs {
status = "okay";
};
};