189 lines
3.5 KiB
Plaintext
189 lines
3.5 KiB
Plaintext
/*
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* Copyright (c) 2017 Linaro Limited
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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/f4/stm32f401Xe.dtsi>
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#include <st/f4/stm32f401r(d-e)tx-pinctrl.dtsi>
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#include "96b_lscon.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "Seeed Studio Carbon 96boards";
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compatible = "seeed,carbon";
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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zephyr,bt-hci = &hci_spi;
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};
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leds {
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compatible = "gpio-leds";
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green_led_1: led_1 {
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gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;
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label = "USR1 LED";
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};
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green_led_2: led_2 {
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gpios = <&gpioa 15 GPIO_ACTIVE_HIGH>;
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label = "USR2 LED";
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};
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bt_blue_led: led_3 {
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gpios = <&gpiob 5 GPIO_ACTIVE_HIGH>;
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label = "BT LED";
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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 = <&gpiob 2 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_1;
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led1 = &green_led_2;
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led2 = &bt_blue_led;
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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_hse {
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clock-frequency = <DT_FREQ_M(16)>;
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status = "okay";
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};
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&pll {
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div-m = <16>;
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mul-n = <336>;
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div-p = <4>;
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div-q = <7>;
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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(84)>;
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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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};
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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 = "okay";
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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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&usart6 {
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pinctrl-0 = <&usart6_tx_pc6 &usart6_rx_pc7>;
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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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&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 = "okay";
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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_pb3>;
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pinctrl-names = "default";
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi1 {
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status = "okay";
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pinctrl-0 = <&spi1_miso_pa6 &spi1_mosi_pa7
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&spi1_sck_pa5 &spi1_nss_pa4>;
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pinctrl-names = "default";
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/* Nordic nRF51822-QFAC */
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hci_spi: bt-hci@0 {
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compatible = "zephyr,bt-hci-spi";
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reg = <0>;
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reset-gpios = <&gpiob 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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irq-gpios = <&gpiob 1 GPIO_ACTIVE_HIGH>;
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spi-max-frequency = <2000000>;
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};
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};
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&spi2 {
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pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
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&spi2_miso_pb14 &spi2_mosi_pb15>;
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pinctrl-names = "default";
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status = "okay";
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};
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zephyr_udc0: &usbotg_fs {
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pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
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pinctrl-names = "default";
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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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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(32)>;
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read-only;
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};
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/*
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* The flash starting at offset 0x00008000 and ending at
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* offset 0x0001ffff (sectors 2 through 4) is reserved for
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* use by the application.
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*/
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slot0_partition: partition@20000 {
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label = "image-0";
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reg = <0x00020000 DT_SIZE_K(128)>;
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};
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slot1_partition: partition@40000 {
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label = "image-1";
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reg = <0x00040000 DT_SIZE_K(128)>;
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};
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scratch_partition: partition@60000 {
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label = "image-scratch";
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reg = <0x00060000 DT_SIZE_K(128)>;
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};
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};
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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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