| /* |
| * SPDX-License-Identifier: Apache-2.0 |
| * Copyright (c) 2020, Josep Puigdemont |
| */ |
| |
| /dts-v1/; |
| #include <st/f1/stm32f103Xb.dtsi> |
| #include <st/f1/stm32f103r(8-b)tx-pinctrl.dtsi> |
| #include <zephyr/dt-bindings/input/input-event-codes.h> |
| |
| / { |
| model = "Olimex STM32-H103 board"; |
| compatible = "olimex,stm32-h103"; |
| |
| chosen { |
| zephyr,console = &usart2; |
| zephyr,shell-uart = &usart2; |
| zephyr,sram = &sram0; |
| zephyr,flash = &flash0; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| green_led_2: led_2 { |
| gpios = <&gpioc 12 GPIO_ACTIVE_LOW>; |
| label = "User LD2"; |
| }; |
| }; |
| |
| 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_2; |
| sw0 = &user_button; |
| watchdog0 = &iwdg; |
| }; |
| }; |
| |
| &clk_hse { |
| clock-frequency = <DT_FREQ_M(8)>; |
| status = "okay"; |
| }; |
| |
| &pll { |
| 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>; |
| /* usbpre not set: USB clock = 72 / 1.5: 48MHz */ |
| }; |
| |
| &usart1 { |
| pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "disabled"; |
| }; |
| |
| &usart2 { |
| pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "okay"; |
| }; |
| |
| &usart3 { |
| pinctrl-0 = <&usart3_tx_remap1_pc10 &usart3_rx_remap1_pc11>; |
| pinctrl-names = "default"; |
| current-speed = <115200>; |
| status = "disabled"; |
| }; |
| |
| &i2c1 { |
| pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>; |
| pinctrl-names = "default"; |
| status = "disabled"; |
| clock-frequency = <I2C_BITRATE_FAST>; |
| }; |
| |
| &i2c2 { |
| pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>; |
| pinctrl-names = "default"; |
| status = "disabled"; |
| clock-frequency = <I2C_BITRATE_FAST>; |
| }; |
| |
| &spi1 { |
| pinctrl-0 = <&spi1_nss_master_pa4 &spi1_sck_master_pa5 |
| &spi1_miso_master_pa6 &spi1_mosi_master_pa7>; |
| pinctrl-names = "default"; |
| status = "disabled"; |
| }; |
| |
| &spi2 { |
| pinctrl-0 = <&spi2_nss_master_pb12 &spi2_sck_master_pb13 |
| &spi2_miso_master_pb14 &spi2_mosi_master_pb15>; |
| pinctrl-names = "default"; |
| status = "disabled"; |
| }; |
| |
| &iwdg { |
| status = "okay"; |
| }; |
| |
| zephyr_udc0: &usb { |
| pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>; |
| pinctrl-names = "default"; |
| disconnect-gpios = <&gpioc 11 GPIO_ACTIVE_LOW>; |
| }; |