Crazypedia
59 lines
1.5 KiB
Devicetree
59 lines
1.5 KiB
Devicetree
/dts-v1/;
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#include <tactility/bindings/root.h>
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#include <tactility/bindings/esp32_ble.h>
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#include <tactility/bindings/esp32_gpio.h>
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#include <tactility/bindings/esp32_i2c_master.h>
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#include <tactility/bindings/esp32_spi.h>
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#include <tactility/bindings/esp32_sdspi.h>
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#include <bindings/xl9555.h>
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// Reference: https://github.com/Xinyuan-LilyGO/T-Deck-MAX
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// lib/TDeckMaxBoard/src/TDeckMaxBoard.h, docs/pinmap.md
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/ {
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compatible = "root";
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model = "LilyGO T-Deck Max";
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ble0 {
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compatible = "espressif,esp32-ble";
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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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i2c0 {
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compatible = "espressif,esp32-i2c-master";
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port = <I2C_NUM_0>;
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clock-frequency = <100000>;
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pin-sda = <&gpio0 13 GPIO_FLAG_NONE>;
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pin-scl = <&gpio0 14 GPIO_FLAG_NONE>;
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xl9555 {
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compatible = "xlsemi,xl9555";
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reg = <0x20>;
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};
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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 34 GPIO_FLAG_NONE>, // 0: EPD display
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<&gpio0 48 GPIO_FLAG_NONE>, // 1: SD card
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<&gpio0 3 GPIO_FLAG_NONE>; // 2: LoRa radio (SX1262, not wired up yet)
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pin-mosi = <&gpio0 33 GPIO_FLAG_NONE>;
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pin-miso = <&gpio0 47 GPIO_FLAG_NONE>;
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pin-sclk = <&gpio0 36 GPIO_FLAG_NONE>;
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// The EPD pushes its whole 9600-byte framebuffer in one SPI write, which
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// exceeds the default ~4 KB transfer limit. Raise the bus limit to fit it.
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max-transfer-size = <65536>;
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sdcard@1 {
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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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};
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