diff options
| author | Emil Renner Berthing <kernel@esmil.dk> | 2023-03-21 05:26:44 +0300 |
|---|---|---|
| committer | Minda Chen <minda.chen@starfivetech.com> | 2024-01-11 13:57:19 +0300 |
| commit | 3339f6e5ea6250fd39d04cb6428c53b548502653 (patch) | |
| tree | 35d1f99bf0932e341682882c408423f86cfc986d /Documentation/hwmon/sfctemp.rst | |
| parent | 33052f9fd2de51da344898f68b5418525efe5e57 (diff) | |
| download | linux-3339f6e5ea6250fd39d04cb6428c53b548502653.tar.xz | |
hwmon: (sfctemp) Add StarFive JH71x0 temperature sensor
Add driver for the StarFive JH71x0 temperature sensor. You
can enable/disable it and read temperature in milli Celcius
through sysfs.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Co-developed-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Diffstat (limited to 'Documentation/hwmon/sfctemp.rst')
| -rw-r--r-- | Documentation/hwmon/sfctemp.rst | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/hwmon/sfctemp.rst b/Documentation/hwmon/sfctemp.rst new file mode 100644 index 000000000000..9fbd5bb1f356 --- /dev/null +++ b/Documentation/hwmon/sfctemp.rst @@ -0,0 +1,33 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver sfctemp +===================== + +Supported chips: + - StarFive JH7100 + - StarFive JH7110 + +Authors: + - Emil Renner Berthing <kernel@esmil.dk> + +Description +----------- + +This driver adds support for reading the built-in temperature sensor on the +JH7100 and JH7110 RISC-V SoCs by StarFive Technology Co. Ltd. + +``sysfs`` interface +------------------- + +The temperature sensor can be enabled, disabled and queried via the standard +hwmon interface in sysfs under ``/sys/class/hwmon/hwmonX`` for some value of +``X``: + +================ ==== ============================================= +Name Perm Description +================ ==== ============================================= +temp1_enable RW Enable or disable temperature sensor. + Automatically enabled by the driver, + but may be disabled to save power. +temp1_input RO Temperature reading in milli-degrees Celsius. +================ ==== ============================================= |