1/* 2 * SPDX-License-Identifier: Apache-2.0 3 */ 4/dts-v1/; 5 6#include <espressif/esp32/esp32_wroom_32ue_n16.dtsi> 7#include <zephyr/dt-bindings/led/led.h> 8#include "yd_esp32-pinctrl.dtsi" 9#include <zephyr/dt-bindings/input/input-event-codes.h> 10#include <espressif/partitions_0x1000_amp.dtsi> 11 12/ { 13 model = "VCC-GND Studio YD-ESP32 PROCPU"; 14 compatible = "espressif,esp32"; 15 16 aliases { 17 uart-0 = &uart0; 18 i2c-0 = &i2c0; 19 sw0 = &button0; 20 watchdog0 = &wdt0; 21 led-strip = &rgb_led; 22 }; 23 24 buttons { 25 compatible = "gpio-keys"; 26 button0: button_0 { 27 gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; 28 label = "BOOT Button"; 29 zephyr,code = <INPUT_KEY_0>; 30 }; 31 }; 32 33 chosen { 34 zephyr,sram = &sram1; 35 zephyr,console = &uart0; 36 zephyr,shell-uart = &uart0; 37 zephyr,flash = &flash0; 38 zephyr,code-partition = &slot0_partition; 39 zephyr,bt-hci = &esp32_bt_hci; 40 }; 41}; 42 43&pinctrl { 44 spim2_default: spim2_default { 45 group2 { 46 pinmux = <SPIM2_MOSI_GPIO16>; 47 output-low; 48 }; 49 }; 50}; 51 52&uart0 { 53 status = "okay"; 54 current-speed = <115200>; 55 pinctrl-0 = <&uart0_default>; 56 pinctrl-names = "default"; 57}; 58 59&uart1 { 60 current-speed = <115200>; 61 pinctrl-0 = <&uart1_default>; 62 pinctrl-names = "default"; 63}; 64 65&uart2 { 66 current-speed = <115200>; 67 pinctrl-0 = <&uart2_default>; 68 pinctrl-names = "default"; 69}; 70 71&gpio0 { 72 status = "okay"; 73}; 74 75&gpio1 { 76 status = "okay"; 77}; 78 79&i2c0 { 80 status = "okay"; 81 clock-frequency = <I2C_BITRATE_STANDARD>; 82 sda-gpios = <&gpio0 21 GPIO_OPEN_DRAIN>; 83 scl-gpios = <&gpio0 22 GPIO_OPEN_DRAIN>; 84 pinctrl-0 = <&i2c0_default>; 85 pinctrl-names = "default"; 86}; 87 88&spi2 { 89 #address-cells = <1>; 90 #size-cells = <0>; 91 status = "okay"; 92 pinctrl-0 = <&spim2_default>; 93 pinctrl-names = "default"; 94 95 rgb_led: ws2812@0 { 96 compatible = "worldsemi,ws2812-spi"; 97 98 /* SPI */ 99 reg = <0>; /* ignored, but necessary for SPI bindings */ 100 spi-max-frequency = <6400000>; 101 102 /* XL-5050RGBC-WS2812B */ 103 chain-length = <1>; 104 spi-one-frame = <0xfc>; /* 11111100: 0.937 us high and 0.313 us low */ 105 spi-zero-frame = <0xc0>; /* 11000000: 0.313 us high and 0.937 us low */ 106 color-mapping = <LED_COLOR_ID_GREEN 107 LED_COLOR_ID_RED 108 LED_COLOR_ID_BLUE>; 109 }; 110}; 111 112&spi3 { 113 #address-cells = <1>; 114 #size-cells = <0>; 115 status = "okay"; 116 pinctrl-0 = <&spim3_default>; 117 pinctrl-names = "default"; 118}; 119 120&timer0 { 121 status = "disabled"; 122}; 123 124&timer1 { 125 status = "disabled"; 126}; 127 128&timer2 { 129 status = "disabled"; 130}; 131 132&timer3 { 133 status = "disabled"; 134}; 135 136&trng0 { 137 status = "okay"; 138}; 139 140&esp32_bt_hci { 141 status = "okay"; 142}; 143