162306a36Sopenharmony_ciWhat:		/sys/bus/spi/<dev>/update_firmware
262306a36Sopenharmony_ciDate:		Jul 2021
362306a36Sopenharmony_ciContact:	sebastian.reichel@collabora.com
462306a36Sopenharmony_ciDescription:	Write 1 to this file to update the ACHC microcontroller
562306a36Sopenharmony_ci		firmware via the EzPort interface. For this the kernel
662306a36Sopenharmony_ci		will load "achc.bin" via the firmware API (so usually
762306a36Sopenharmony_ci		from /lib/firmware). The write will block until the FW
862306a36Sopenharmony_ci		has either been flashed successfully or an error occurred.
962306a36Sopenharmony_ci
1062306a36Sopenharmony_ciWhat:		/sys/bus/spi/<dev>/reset
1162306a36Sopenharmony_ciDate:		Jul 2021
1262306a36Sopenharmony_ciContact:	sebastian.reichel@collabora.com
1362306a36Sopenharmony_ciDescription:	This file represents the microcontroller's reset line.
1462306a36Sopenharmony_ci                1 means the reset line is asserted, 0 means it's not
1562306a36Sopenharmony_ci		asserted. The file is read and writable.
16