| /* |
| * Copyright (c) 2024 Lothar Felten <lothar.felten@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| /dts-v1/; |
| |
| #include <espressif/esp32/esp32_pico_d4.dtsi> |
| #include "ttgo_lora32-pinctrl.dtsi" |
| #include <zephyr/dt-bindings/input/input-event-codes.h> |
| #include <espressif/partitions_0x1000_amp.dtsi> |
| |
| / { |
| model = "ttgo LoRa32 PROCPU"; |
| compatible = "lilygo,ttgo-lora32"; |
| |
| aliases { |
| led0 = &green_led; |
| uart-0 = &uart0; |
| i2c-0 = &i2c0; |
| watchdog0 = &wdt0; |
| lora0 = &lora0; |
| }; |
| |
| chosen { |
| zephyr,sram = &sram0; |
| zephyr,console = &uart0; |
| zephyr,shell-uart = &uart0; |
| zephyr,flash = &flash0; |
| zephyr,code-partition = &slot0_partition; |
| zephyr,display = &ssd1306_128x64; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| |
| green_led: led_0 { |
| gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; |
| label = "Green - LED0"; |
| }; |
| }; |
| }; |
| |
| &uart0 { |
| status = "okay"; |
| current-speed = <115200>; |
| pinctrl-0 = <&uart0_default>; |
| pinctrl-names = "default"; |
| }; |
| |
| &gpio0 { |
| status = "okay"; |
| }; |
| |
| &gpio1 { |
| status = "okay"; |
| }; |
| |
| /* OLED display */ |
| &i2c0 { |
| status = "okay"; |
| clock-frequency = <I2C_BITRATE_STANDARD>; |
| sda-gpios = <&gpio0 21 GPIO_OPEN_DRAIN>; |
| scl-gpios = <&gpio0 22 GPIO_OPEN_DRAIN>; |
| pinctrl-0 = <&i2c0_default>; |
| pinctrl-names = "default"; |
| ssd1306_128x64: ssd1306@3c { |
| compatible = "solomon,ssd1306fb"; |
| reg = <0x3c>; |
| width = <128>; |
| height = <64>; |
| segment-offset = <0>; |
| page-offset = <0>; |
| display-offset = <0>; |
| multiplex-ratio = <63>; |
| segment-remap; |
| com-invdir; |
| prechargep = <0x22>; |
| }; |
| }; |
| |
| &spi3 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| status = "okay"; |
| pinctrl-0 = <&spim3_default>; |
| pinctrl-names = "default"; |
| cs-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; |
| lora0: lora@0 { |
| compatible = "semtech,sx1276"; |
| reg = <0>; |
| reset-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>; |
| dio-gpios = |
| /* SX1276 D0 -> GPIO26 */ |
| <&gpio0 26 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, |
| /* SX1276 D1 -> GPIO35 */ |
| <&gpio1 3 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>, |
| /* SX1276 D1 -> GPIO34 */ |
| <&gpio1 2 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>; |
| spi-max-frequency = <1000000>; |
| power-amplifier-output = "pa-boost"; |
| }; |
| }; |
| |
| &timer0 { |
| status = "okay"; |
| }; |
| |
| &timer1 { |
| status = "okay"; |
| }; |
| |
| &timer2 { |
| status = "okay"; |
| }; |
| |
| &timer3 { |
| status = "okay"; |
| }; |
| |
| &trng0 { |
| status = "okay"; |
| }; |
| |
| &sdhc { |
| sdhc1: sdhc@1 { |
| status = "okay"; |
| |
| pinctrl-0 = <&sdhc0_default>; |
| pinctrl-names = "default"; |
| power-delay-ms = <100>; |
| max-bus-freq = <52000000>; |
| bus-width = <4>; |
| |
| clk-pin = <14>; |
| cmd-pin = <15>; |
| d0-pin = <2>; |
| d1-pin = <4>; |
| d2-pin = <12>; |
| d3-pin = <13>; |
| |
| mmc { |
| compatible = "zephyr,sdmmc-disk"; |
| disk-name = "SD"; |
| status = "okay"; |
| }; |
| }; |
| }; |