1.. SPDX-License-Identifier: GPL-2.0-or-later 2 3Kernel driver POWERZ 4==================== 5 6Supported chips: 7 8 * ChargerLAB POWER-Z KM003C 9 10 Prefix: 'powerz' 11 12 Addresses scanned: - 13 14Author: 15 16 - Thomas Weißschuh <linux@weissschuh.net> 17 18Description 19----------- 20 21This driver implements support for the ChargerLAB POWER-Z USB-C power testing 22family. 23 24The device communicates with the custom protocol over USB. 25 26The channel labels exposed via hwmon match the labels used by the on-device 27display and the official POWER-Z PC software. 28 29As current can flow in both directions through the tester the sign of the 30channel "curr1_input" (label "IBUS") indicates the direction. 31