1 .. SPDX-License-Identifier: GPL-2.0-or-later 2 3 Kernel driver ChipCap2 4 ====================== 5 6 Supported chips: 7 8 * Amphenol CC2D23, CC2D23S, CC2D25, CC2D25S, 9 10 Prefix: 'chipcap2' 11 12 Addresses scanned: - 13 14 Datasheet: https://www.amphenol-sensors.co 15 16 Author: 17 18 - Javier Carrasco <javier.carrasco.cruz@gmail 19 20 Description 21 ----------- 22 23 This driver implements support for the Ampheno 24 temperature chip family. Temperature is measur 25 relative humidity is expressed as a per cent m 26 are the following: 27 28 - Relative humidity: 0 to 100000 pcm (14-bit 29 - Temperature: -40000 to +125000 m°C (14-bi 30 31 The device communicates with the I2C protocol 32 by default. 33 34 Depending on the hardware configuration, up to 35 minimum and maximum values are provided. Their 36 configured via sysfs. 37 38 Thresholds and hysteris must be provided as a 39 might be truncated to match the 14-bit device 40 41 Known Issues 42 ------------ 43 44 The driver does not support I2C address and co 45 46 sysfs-Interface 47 --------------- 48 49 The following list includes the sysfs attribut 50 their permissions and a short description: 51 52 =============================== ======= ====== 53 Name Perm Descri 54 =============================== ======= ====== 55 temp1_input: RO temper 56 humidity1_input: RO humidi 57 =============================== ======= ====== 58 59 The following list includes the sysfs attribut 60 depending on the hardware configuration: 61 62 =============================== ======= ====== 63 Name Perm Descri 64 =============================== ======= ====== 65 humidity1_min: RW humidi 66 this l 67 humidity1_max: RW humidi 68 this l 69 humidity1_min_hyst: RW humidi 70 humidity1_max_hyst: RW humidi 71 humidity1_min_alarm: RO humidi 72 humidity1_max_alarm: RO humidi 73 =============================== ======= ======
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