linuxdebug/Documentation/ABI/testing/sysfs-driver-ge-achc

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2024-07-16 15:50:57 +02:00
What: /sys/bus/spi/<dev>/update_firmware
Date: Jul 2021
Contact: sebastian.reichel@collabora.com
Description: Write 1 to this file to update the ACHC microcontroller
firmware via the EzPort interface. For this the kernel
will load "achc.bin" via the firmware API (so usually
from /lib/firmware). The write will block until the FW
has either been flashed successfully or an error occured.
What: /sys/bus/spi/<dev>/reset
Date: Jul 2021
Contact: sebastian.reichel@collabora.com
Description: This file represents the microcontroller's reset line.
1 means the reset line is asserted, 0 means it's not
asserted. The file is read and writable.