blob: cd792a49ff28e1e944427a46ce511190d37b4dc7 [file] [log] [blame]
/*
* Copyright (c) 2017 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f4/stm32f401Xe.dtsi>
#include <st/f4/stm32f401r(d-e)tx-pinctrl.dtsi>
#include "96b_lscon.dtsi"
/ {
model = "Seeed Studio Carbon 96boards";
compatible = "seeed,carbon";
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_1: led_1 {
gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;
label = "USR1 LED";
};
green_led_2: led_2 {
gpios = <&gpioa 15 GPIO_ACTIVE_HIGH>;
label = "USR2 LED";
};
bt_blue_led: led_3 {
gpios = <&gpioa 15 GPIO_ACTIVE_HIGH>;
label = "BT LED";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpiob 2 GPIO_ACTIVE_LOW>;
};
};
aliases {
led0 = &green_led_1;
led1 = &green_led_2;
led2 = &bt_blue_led;
sw0 = &user_button;
};
};
&clk_hse {
clock-frequency = <DT_FREQ_M(16)>;
status = "okay";
};
&pll {
div-m = <16>;
mul-n = <336>;
div-p = <4>;
div-q = <7>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(84)>;
ahb-prescaler = <1>;
apb1-prescaler = <2>;
apb2-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
current-speed = <115200>;
status = "okay";
};
&usart6 {
pinctrl-0 = <&usart6_tx_pc6 &usart6_rx_pc7>;
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c2 {
pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb3>;
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&spi1 {
status = "okay";
pinctrl-0 = <&spi1_miso_pa6 &spi1_mosi_pa7
&spi1_sck_pa5 &spi1_nss_pa4>;
/* Nordic nRF51822-QFAC */
bt-hci@0 {
compatible = "zephyr,bt-hci-spi";
reg = <0>;
reset-gpios = <&gpiob 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
irq-gpios = <&gpiob 1 GPIO_ACTIVE_HIGH>;
spi-max-frequency = <2000000>;
label = "BT_HCI";
};
};
&spi2 {
pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13
&spi2_miso_pb14 &spi2_mosi_pb15>;
status = "okay";
};
zephyr_udc0: &usbotg_fs {
pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "mcuboot";
reg = <0x00000000 0x00008000>;
read-only;
};
/*
* The flash starting at offset 0x00008000 and ending at
* offset 0x0001ffff (sectors 2 through 4) is reserved for
* use by the application.
*/
slot0_partition: partition@20000 {
label = "image-0";
reg = <0x00020000 0x00020000>;
};
slot1_partition: partition@40000 {
label = "image-1";
reg = <0x00040000 0x00020000>;
};
scratch_partition: partition@60000 {
label = "image-scratch";
reg = <0x00060000 0x00020000>;
};
};
};
&rtc {
status = "okay";
};