A list of the special devices

The kernel exposes some old-style /proc interfaces

• /proc/jz/numlock_led - write 0 or 1 to the LED
• /proc/jz/capslock_led - write 0 or 1 to the LED
• /proc/jz/eth0_led - write 0 or 1 to the LED
• /proc/jz/battery - reads battery flag
• /proc/jz/battery-level - reads battery status
• /proc/jz/wifi-power - write 0 or 1 to power up WiFi

• /proc/jz/backlight - write value to backlight PWM (0..300)

• /proc/powerdown

• Touch screen position

• Touch screen keys
• Keyboard events