0001 What: /sys/bus/spi/<dev>/update_firmware
0002 Date: Jul 2021
0003 Contact: sebastian.reichel@collabora.com
0004 Description: Write 1 to this file to update the ACHC microcontroller
0005 firmware via the EzPort interface. For this the kernel
0006 will load "achc.bin" via the firmware API (so usually
0007 from /lib/firmware). The write will block until the FW
0008 has either been flashed successfully or an error occured.
0009
0010 What: /sys/bus/spi/<dev>/reset
0011 Date: Jul 2021
0012 Contact: sebastian.reichel@collabora.com
0013 Description: This file represents the microcontroller's reset line.
0014 1 means the reset line is asserted, 0 means it's not
0015 asserted. The file is read and writable.
