Document hardware, pinout and I2C devices in a header comment of every device

Merge the old pinout comment blocks into the header and mark what each pin is used for.
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randy committed 2026-09-29 23:22:17 +02:00
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commit 1a2aec5d01
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---
# Hardware: M5Stack M5Paper
# Pinout:
# GPIO2 -> main_power (switch gpio)
# GPIO5 -> ext_power (switch gpio)
# GPIO12 -> spi (spi mosi_pin)
# GPIO13 -> spi (spi miso_pin)
# GPIO14 -> spi (spi clk_pin)
# GPIO15 -> m5paper_display (display it8951 cs_pin)
# GPIO21 -> i2c_main (i2c sda)
# GPIO22 -> i2c_main (i2c scl)
# GPIO23 -> m5paper_display (display it8951 reset_pin)
# GPIO27 -> m5paper_display (display it8951 busy_pin)
# GPIO35 -> Battery Voltage (sensor adc)
# GPIO36 -> gt911_touchscreen (touchscreen gt911 interrupt_pin)
# GPIO37 -> M5Paper Button UP (binary_sensor gpio) (inverted)
# GPIO38 -> M5Paper Button Press (binary_sensor gpio) (inverted)
# GPIO39 -> M5Paper Button Down (binary_sensor gpio) (inverted)
# I2C:
# 0x44 sensor sht3xd (sensor sht3xd)
# 0x51 rtc_time (time bm8563)
# 0x5D gt911_touchscreen (touchscreen gt911)
substitutions:
device: m5paper
name: M5Paper