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7f2958e8 ERB |
1 | .. SPDX-License-Identifier: GPL-2.0 |
2 | ||
3 | Kernel driver sfctemp | |
4 | ===================== | |
5 | ||
6 | Supported chips: | |
7 | - StarFive JH7100 | |
8 | - StarFive JH7110 | |
9 | ||
10 | Authors: | |
11 | - Emil Renner Berthing <kernel@esmil.dk> | |
12 | ||
13 | Description | |
14 | ----------- | |
15 | ||
16 | This driver adds support for reading the built-in temperature sensor on the | |
17 | JH7100 and JH7110 RISC-V SoCs by StarFive Technology Co. Ltd. | |
18 | ||
19 | ``sysfs`` interface | |
20 | ------------------- | |
21 | ||
22 | The temperature sensor can be enabled, disabled and queried via the standard | |
23 | hwmon interface in sysfs under ``/sys/class/hwmon/hwmonX`` for some value of | |
24 | ``X``: | |
25 | ||
26 | ================ ==== ============================================= | |
27 | Name Perm Description | |
28 | ================ ==== ============================================= | |
29 | temp1_enable RW Enable or disable temperature sensor. | |
30 | Automatically enabled by the driver, | |
31 | but may be disabled to save power. | |
32 | temp1_input RO Temperature reading in milli-degrees Celsius. | |
33 | ================ ==== ============================================= |