128 lines
2.2 KiB
Plaintext
128 lines
2.2 KiB
Plaintext
/*
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* Copyright (c) 2019 Libre Solar Technologies GmbH
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* Copyright (c) 2020 Sparks, Circuits and Robotics SL
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <st/l4/stm32l452Xe.dtsi>
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#include "arduino_r3_connector.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "STMicroelectronics STM32L452RE-NUCLEO board";
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compatible = "st,stm32l452re-nucleo";
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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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zephyr,canbus = &can1;
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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 = <&gpioc 13 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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sw0 = &user_button;
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};
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};
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&clk_lsi {
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status = "okay";
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};
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&clk_hsi {
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status = "okay";
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};
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&pll {
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div-m = <1>;
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mul-n = <20>;
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div-p = <7>;
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div-q = <2>;
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div-r = <4>;
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clocks = <&clk_hsi>;
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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(80)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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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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};
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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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&spi1 {
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pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
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pinctrl-names = "default";
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cs-gpios = <&gpiob 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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status = "okay";
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};
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&i2c1 {
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pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb7>;
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pinctrl-names = "default";
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clock-frequency = <I2C_BITRATE_FAST>;
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status = "okay";
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};
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&timers2 {
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status = "okay";
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pwm2: pwm {
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status = "okay";
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pinctrl-0 = <&tim2_ch1_pa0>;
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pinctrl-names = "default";
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};
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};
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&can1 {
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pinctrl-0 = <&can1_rx_pa11 &can1_tx_pa12>;
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pinctrl-names = "default";
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
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<&rcc STM32_SRC_LSI RTC_SEL(2)>;
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status = "okay";
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/*
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* Reserve the final 16 KiB for file system partition
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*/
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storage_partition: partition@7c000 {
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label = "storage";
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reg = <0x0007c000 0x00008000>;
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};
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};
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};
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