1.. SPDX-License-Identifier: GPL-2.0-or-later 2 3Kernel driver oxp-sensors 4========================= 5 6Authors: 7 - Derek John Clark <derekjohn.clark@gmail.com> 8 - Joaquín Ignacio Aramendía <samsagax@gmail.com> 9 10Description: 11------------ 12 13Handheld devices from One Netbook and Aya Neo provide fan readings and fan 14control through their embedded controllers. 15 16Currently only supports AMD boards from One X Player, AOK ZOE, and some Aya 17Neo devices. One X Player Intel boards could be supported if we could figure 18out the EC registers and values to write to since the EC layout and model is 19different. Aya Neo devices preceding the AIR may not be supportable as the EC 20model is different and do not appear to have manual control capabilities. 21 22Supported devices 23----------------- 24 25Currently the driver supports the following handhelds: 26 27 - AOK ZOE A1 28 - Aya Neo 2 29 - Aya Neo AIR 30 - Aya Neo AIR Pro 31 - Aya Neo Geek 32 - OneXPlayer AMD 33 - OneXPlayer mini AMD 34 - OneXPlayer mini AMD PRO 35 36Sysfs entries 37------------- 38 39The following attributes are supported: 40 41fan1_input 42 Read Only. Reads current fan RMP. 43 44pwm1_enable 45 Read Write. Enable manual fan control. Write "1" to set to manual, write "0" 46 to let the EC control de fan speed. Read this attribute to see current status. 47 48pwm1 49 Read Write. Read this attribute to see current duty cycle in the range [0-255]. 50 When pwm1_enable is set to "1" (manual) write any value in the range [0-255] 51 to set fan speed. 52