Found /sys/class/rc/rc0/ (/dev/input/event0) with:
        Driver gpio-rc-recv, table rc-rc6-mce
        Supported protocols: lirc rc-5 rc-5-sz jvc sony nec sanyo mce_kbd rc-6 sharp xmp
        Enabled protocols: lirc
        Name: gpio_ir_recv
        bus: 25, vendor/product: 0001:0001, version: 0x0100
        Repeat delay = 500 ms, repeat period = 125 ms