Ken Van Hoeylandt
144 lines
3.7 KiB
Devicetree
144 lines
3.7 KiB
Devicetree
/dts-v1/;
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#include <tactility/bindings/root.h>
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#include <tactility/bindings/battery_sense.h>
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#include <tactility/bindings/esp32_adc_oneshot.h>
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#include <tactility/bindings/esp32_ble.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_spi.h>
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#include <tactility/bindings/esp32_uart.h>
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#include <bindings/bmi270.h>
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#include <tactility/bindings/esp32_sdspi.h>
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#include <tactility/bindings/esp32_ledc_backlight.h>
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#include <bindings/st7789.h>
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#include <bindings/cardputer_adv_keyboard.h>
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// Reference: https://docs.m5stack.com/en/core/Cardputer-Adv
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/ {
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compatible = "root";
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model = "M5Stack Cardputer Adv";
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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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ble0 {
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compatible = "espressif,esp32-ble";
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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 = <49>;
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};
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adc0 {
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compatible = "espressif,esp32-adc-oneshot";
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unit-id = <ADC_UNIT_1>;
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clk-src = <ADC_RTC_CLK_SRC_DEFAULT>;
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// GPIO10 (ADC1_CHANNEL_9 on ESP32-S3): battery voltage sense, behind a 1:2 divider.
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channels = <ADC_CHANNEL_9 ADC_ATTEN_DB_12 ADC_BITWIDTH_DEFAULT>;
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};
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battery-sense {
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compatible = "battery-sense";
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io-channel = <&adc0 0>;
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reference-voltage-mv = <3300>;
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multiplier = <2000>;
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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 8 GPIO_FLAG_NONE>;
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pin-scl = <&gpio0 9 GPIO_FLAG_NONE>;
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bmi270 {
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compatible = "bosch,bmi270";
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reg = <0x69>;
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};
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keyboard {
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compatible = "m5stack,cardputer-adv-keyboard";
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reg = <0x34>;
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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 2 GPIO_FLAG_NONE>;
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pinSclRx = <&gpio0 1 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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display_backlight {
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compatible = "espressif,esp32-ledc-backlight";
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// Off by default so display power-on won't show the screen from before the last power loss.
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// The display backlight is turned on during the boot process.
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status = "disabled";
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pin-backlight = <&gpio0 38 GPIO_FLAG_NONE>;
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frequency-hz = <512>;
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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 37 GPIO_FLAG_NONE>;
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pin-mosi = <&gpio0 35 GPIO_FLAG_NONE>;
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pin-sclk = <&gpio0 36 GPIO_FLAG_NONE>;
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display@0 {
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compatible = "sitronix,st7789";
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horizontal-resolution = <240>;
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vertical-resolution = <135>;
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// Should be 52 according to https://github.com/m5stack/M5GFX/blob/master/src/M5GFX.cpp but this leaves a gap at the bottom
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gap-x = <53>;
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gap-y = <40>;
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swap-xy;
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mirror-x;
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invert-color;
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pixel-clock-hz = <62500000>;
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pin-dc = <&gpio0 34 GPIO_FLAG_NONE>;
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pin-reset = <&gpio0 33 GPIO_FLAG_NONE>;
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backlight = <&display_backlight>;
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};
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};
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spi1 {
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compatible = "espressif,esp32-spi";
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host = <SPI3_HOST>;
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cs-gpios = <&gpio0 12 GPIO_FLAG_NONE>,
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<&gpio0 5 GPIO_FLAG_NONE>;
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pin-mosi = <&gpio0 14 GPIO_FLAG_NONE>;
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pin-miso = <&gpio0 39 GPIO_FLAG_NONE>;
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pin-sclk = <&gpio0 40 GPIO_FLAG_NONE>;
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miso-pull-up;
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sdcard@0 {
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compatible = "espressif,esp32-sdspi";
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status = "disabled";
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frequency-khz = <20000>;
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};
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};
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// Speaker and microphone (ES8311)
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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 41 GPIO_FLAG_NONE>;
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pin-ws = <&gpio0 43 GPIO_FLAG_NONE>;
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pin-data-out = <&gpio0 42 GPIO_FLAG_NONE>;
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pin-data-in = <&gpio0 46 GPIO_FLAG_NONE>;
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};
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};
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