Ken Van Hoeylandt
134 lines
3.3 KiB
Devicetree
134 lines
3.3 KiB
Devicetree
/dts-v1/;
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#include <tactility/bindings/root.h>
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#include <tactility/bindings/esp32_wifi_pinned.h>
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#include <tactility/bindings/esp32_gpio.h>
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#include <tactility/bindings/esp32_grove.h>
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#include <tactility/bindings/esp32_i2c.h>
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#include <tactility/bindings/esp32_i2s.h>
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#include <tactility/bindings/esp32_sdspi.h>
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#include <tactility/bindings/esp32_spi.h>
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#include <tactility/bindings/esp32_uart.h>
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#include <bindings/mpu6886.h>
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#include <bindings/bm8563.h>
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#include <bindings/axp192.h>
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#include <bindings/ft5x06.h>
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#include <bindings/ili9341.h>
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#include <bindings/dummy_i2s_amp.h>
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#include <bindings/pdm_mic.h>
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// Reference: https://docs.m5stack.com/en/core/Core2
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/ {
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compatible = "root";
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model = "M5Stack Core2";
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wifi0 {
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compatible = "espressif,esp32-wifi-pinned";
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status = "disabled";
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};
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gpio0 {
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compatible = "espressif,esp32-gpio";
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gpio-count = <40>;
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};
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i2c_internal {
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compatible = "espressif,esp32-i2c";
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port = <I2C_NUM_0>;
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clock-frequency = <400000>;
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pin-sda = <&gpio0 21 GPIO_FLAG_NONE>;
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pin-scl = <&gpio0 22 GPIO_FLAG_NONE>;
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mpu6886 {
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compatible = "invensense,mpu6886";
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reg = <0x68>;
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};
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bm8563 {
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compatible = "belling,bm8563";
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reg = <0x51>;
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};
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axp192 {
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compatible = "x-powers,axp192";
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reg = <0x34>;
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dcdc1-enable; // ESP32 + peripherals main 3V3 rail - must stay on
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dcdc1-voltage = <3300>;
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dcdc3-enable; // LCD backlight
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dcdc3-voltage = <3300>;
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ldo2-enable; // LCD logic + SD card
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ldo2-voltage = <3300>;
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// ldo3 (vibration motor) intentionally left disabled
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exten-enable; // 5V boost (speaker amp etc.)
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gpio1-pwm; // GPIO1 as PWM1 output, drives the notification LED
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gpio1-pwm1-duty-cycle = <255>; // 255 = LED off
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};
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// FT6x36 driver doesn't reliably work when power cycling,
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// or when the driver was powering on with its own power supply (not USB-C).
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// The driver would not find the device and init would fail.
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touch {
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compatible = "focaltech,ft5x06";
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reg = <0x38>;
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x-max = <320>;
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y-max = <240>;
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pin-interrupt = <&gpio0 39 GPIO_FLAG_NONE>;
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};
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};
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port_a: grove0 {
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compatible = "espressif,esp32-grove";
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defaultMode = <GROVE_MODE_I2C>;
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pinSdaTx = <&gpio0 32 GPIO_FLAG_NONE>;
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pinSclRx = <&gpio0 33 GPIO_FLAG_NONE>;
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uartPort = <UART_NUM_1>;
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i2cPort = <I2C_NUM_1>;
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i2cClockFrequency = <400000>;
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};
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spi0 {
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compatible = "espressif,esp32-spi";
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host = <SPI2_HOST>;
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cs-gpios = <&gpio0 5 GPIO_FLAG_NONE>, // Display
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<&gpio0 4 GPIO_FLAG_NONE>; // SD card
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pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
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pin-miso = <&gpio0 38 GPIO_FLAG_NONE>;
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pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;
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display@0 {
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compatible = "ilitek,ili9341";
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horizontal-resolution = <320>;
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vertical-resolution = <240>;
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invert-color;
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bgr-order;
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pixel-clock-hz = <40000000>;
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pin-dc = <&gpio0 15 GPIO_FLAG_NONE>;
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};
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sdcard@1 {
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compatible = "espressif,esp32-sdspi";
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frequency-khz = <20000>;
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};
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};
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i2s0 {
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compatible = "espressif,esp32-i2s";
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port = <I2S_NUM_0>;
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pin-bclk = <&gpio0 12 GPIO_FLAG_NONE>;
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pin-ws = <&gpio0 0 GPIO_FLAG_NONE>;
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pin-data-out = <&gpio0 2 GPIO_FLAG_NONE>;
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pin-data-in = <&gpio0 34 GPIO_FLAG_NONE>;
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};
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speaker0 {
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compatible = "nsiway,ns4168";
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i2s = <&i2s0>;
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};
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mic0 {
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compatible = "generic,spm1423";
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i2s = <&i2s0>;
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channels = <1>;
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};
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};
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