124 lines
2.3 KiB
Plaintext
124 lines
2.3 KiB
Plaintext
/*
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (c) 2020, Josep Puigdemont
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*/
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/dts-v1/;
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#include <st/f1/stm32f103Xb.dtsi>
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#include <st/f1/stm32f103r(8-b)tx-pinctrl.dtsi>
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "Olimex STM32-H103 board";
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compatible = "olimex,stm32-h103";
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chosen {
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zephyr,console = &usart2;
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zephyr,shell-uart = &usart2;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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leds {
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compatible = "gpio-leds";
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green_led_2: led_2 {
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gpios = <&gpioc 12 GPIO_ACTIVE_LOW>;
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label = "User LD2";
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};
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};
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gpio_keys {
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compatible = "gpio-keys";
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user_button: button {
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label = "User";
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gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
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zephyr,code = <INPUT_KEY_0>;
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};
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};
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aliases {
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led0 = &green_led_2;
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sw0 = &user_button;
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watchdog0 = &iwdg;
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};
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};
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&clk_hse {
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clock-frequency = <DT_FREQ_M(8)>;
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status = "okay";
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};
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&pll {
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mul = <9>;
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clocks = <&clk_hse>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll>;
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clock-frequency = <DT_FREQ_M(72)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <2>;
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apb2-prescaler = <1>;
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/* usbpre not set: USB clock = 72 / 1.5: 48MHz */
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};
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&usart1 {
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pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "disabled";
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};
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&usart2 {
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pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&usart3 {
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pinctrl-0 = <&usart3_tx_remap1_pc10 &usart3_rx_remap1_pc11>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "disabled";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
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pinctrl-names = "default";
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status = "disabled";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c2 {
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pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
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pinctrl-names = "default";
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status = "disabled";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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pinctrl-0 = <&spi1_nss_master_pa4 &spi1_sck_master_pa5
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&spi1_miso_master_pa6 &spi1_mosi_master_pa7>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&spi2 {
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pinctrl-0 = <&spi2_nss_master_pb12 &spi2_sck_master_pb13
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&spi2_miso_master_pb14 &spi2_mosi_master_pb15>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&iwdg {
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status = "okay";
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};
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zephyr_udc0: &usb {
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pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
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pinctrl-names = "default";
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disconnect-gpios = <&gpioc 11 GPIO_ACTIVE_LOW>;
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};
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