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