Tactility/Devices/m5stack-core2/m5stack,core2.dts
Ken Van Hoeylandt 133215664c I2C updates
2026-06-13 00:31:01 +02:00

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/dts-v1/;
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_grove.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_uart.h>
#include <bindings/mpu6886.h>
#include <bindings/bm8563.h>
// Reference: https://docs.m5stack.com/en/core/Core2
/ {
compatible = "root";
model = "M5Stack Core2";
gpio0 {
compatible = "espressif,esp32-gpio";
gpio-count = <40>;
};
i2c_internal {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <400000>;
pin-sda = <&gpio0 21 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 22 GPIO_FLAG_NONE>;
mpu6886 {
compatible = "invensense,mpu6886";
reg = <0x68>;
};
bm8563 {
compatible = "belling,bm8563";
reg = <0x51>;
};
};
port_a: grove0 {
compatible = "espressif,esp32-grove";
defaultMode = <GROVE_MODE_I2C>;
pinSdaRx = <&gpio0 32 GPIO_FLAG_NONE>;
pinSclTx = <&gpio0 33 GPIO_FLAG_NONE>;
uartPort = <UART_NUM_1>;
i2cPort = <I2C_NUM_1>;
i2cClockFrequency = <400000>;
};
spi0 {
compatible = "espressif,esp32-spi";
host = <SPI2_HOST>;
pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
pin-miso = <&gpio0 38 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;
};
// NS4168: Speaker and microphone
// TODO: Init microphone via I2C: https://github.com/m5stack/M5Unified/blob/a6256725481f1bc366655fa48cf03b6095e30ad1/src/M5Unified.cpp#L391C19-L391C44
i2s0 {
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 12 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 0 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 2 GPIO_FLAG_NONE>;
pin-data-in = <&gpio0 34 GPIO_FLAG_NONE>;
};
};