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* Copyright (c) 2020/2021 Dean Weiten <dmw@weiten.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* Note: SPI2 and several GPIOs are not available in the S76S - these are connected
* to the in-package Semtech SX1276 LoRa transceiver. See the documentation for details.
*/
/dts-v1/;
#include <acsip/s76s.dtsi>
/ {
model = "Ronoth LoDev";
compatible = "ronoth,lodev";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};
/*
* On Ronoth LoDev and perhaps other boards,
* Red LED on PA5.
*/
leds {
compatible = "gpio-leds";
red_led_0: led_0 {
gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
label = "User LD2";
};
};
/* Arbitrarily use PC9 as a button input. */
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioc 9 GPIO_ACTIVE_LOW>;
};
};
cn6_header: lodev_connector_1 {
compatible = "lodev_cn6";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = /* <0 0 - - 0>, 3.3V */
/* <1 0 - - 0>, GND */
<2 0 &gpioc 1 0>, /* PC1 */
<3 0 &gpioc 0 0>, /* PC0 */
<4 0 &gpiob 8 0>, /* PB8 */
/* <5 0 - - 0>, BOOT0 */
<6 0 &gpiob 7 0>, /* PB7 */
<7 0 &gpiob 6 0>, /* PB6 */
<8 0 &gpiob 5 0>, /* PB5 */
<9 0 &gpiod 2 0>, /* PD2 */
<10 0 &gpioc 12 0>, /* PC12 */
<11 0 &gpioc 11 0>, /* PC11 */
<12 0 &gpioc 10 0>, /* PC10 */
<13 0 &gpioa 14 0>, /* PA14 / SWCLK */
<14 0 &gpioa 13 0>, /* PA13 / SWDIO */
<15 0 &gpioa 12 0>, /* PA12 */
<16 0 &gpioa 11 0>, /* PA11 */
<17 0 &gpioa 9 0>, /* PA9 (UART1 Rx connected to USB) */
<18 0 &gpioa 10 0>, /* PA10 (UART1 Tx connected to USB) */
<19 0 &gpioa 8 0>; /* PA8 */
};
cn7_header: lodev_connector_2 {
compatible = "lodev_cn7";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &gpioc 2 0>, /* PC2 */
<1 0 &gpioc 3 0>, /* PC3 */
/* <2 0 - - 0>, nRESET */
<3 0 &gpioa 0 0>, /* PA0 */
<4 0 &gpioa 2 0>, /* PA2 */
<4 0 &gpioa 3 0>, /* PA3 */
<6 0 &gpioa 4 0>, /* PA4 */
<7 0 &gpioa 5 0>, /* PA5 - connected to red LED1 */
<8 0 &gpioa 6 0>, /* PA6 */
<9 0 &gpioa 7 0>, /* PA7 */
<10 0 &gpioc 4 0>, /* PC4 */
<11 0 &gpioc 5 0>, /* PC5 */
<12 0 &gpiob 0 0>, /* PB0 */
<13 0 &gpiob 1 0>, /* PB1 */
<14 0 &gpioc 6 0>, /* PC6 */
<15 0 &gpioc 7 0>, /* PC7 */
<16 0 &gpioc 8 0>, /* PC8 */
<17 0 &gpioc 9 0>, /* PC9 */
/* <18 0 - - 0>, GND */
<19 0 &gpioa 1 0>; /* PA1 (also used in S76S as "RF FEM CPS" */
};
aliases {
led0 = &red_led_0;
sw0 = &user_button;
eeprom-0 = &eeprom;
lora0 = &lora;
watchdog0 = &iwdg;
};
};
&clk_lsi {
status = "okay";
};
&clk_hsi48 {
status = "okay";
};
&clk_hsi {
status = "okay";
};
&rcc {
clocks = <&clk_hsi>;
clock-frequency = <DT_FREQ_M(16)>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
apb2-prescaler = <1>;
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart2 {
pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
pinctrl-names = "default";
clock-frequency = <I2C_BITRATE_FAST>;
status = "okay";
};
&spi1 {
pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pa7>;
pinctrl-names = "default";
status = "okay";
};
&iwdg {
status = "okay";
};
&adc1 {
pinctrl-0 = <&adc_in0_pa0>;
pinctrl-names = "default";
status = "okay";
};
&dac1 {
status = "okay";
pinctrl-0 = <&dac_out1_pa4>;
pinctrl-names = "default";
};
&rtc {
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
<&rcc STM32_SRC_LSI RTC_SEL(2)>;
status = "okay";
};
&rng {
clocks = <&rcc STM32_CLOCK_BUS_AHB1 0x00100000>,
<&rcc STM32_SRC_HSI48 HSI48_SEL(1)>;
status = "okay";
};
&eeprom {
status = "okay";
};
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