1What:		/sys/bus/spi/<dev>/update_firmware
2Date:		Jul 2021
3Contact:	sebastian.reichel@collabora.com
4Description:	Write 1 to this file to update the ACHC microcontroller
5		firmware via the EzPort interface. For this the kernel
6		will load "achc.bin" via the firmware API (so usually
7		from /lib/firmware). The write will block until the FW
8		has either been flashed successfully or an error occured.
9
10What:		/sys/bus/spi/<dev>/reset
11Date:		Jul 2021
12Contact:	sebastian.reichel@collabora.com
13Description:	This file represents the microcontroller's reset line.
14                1 means the reset line is asserted, 0 means it's not
15		asserted. The file is read and writable.
16