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| author | Emil Renner Berthing <kernel@esmil.dk> | 2021-06-06 23:31:18 +0300 |
|---|---|---|
| committer | Emil Renner Berthing <kernel@esmil.dk> | 2021-12-26 18:41:29 +0300 |
| commit | 2616323528081e81ed01b0a03e81e69f45ca109f (patch) | |
| tree | 5f35416b5aad593367241eee8cd87e735f7fa21e /Documentation/hwmon | |
| parent | eb31d0c279079dcb0f69e91aefd6dde0fd821cd0 (diff) | |
| download | linux-2616323528081e81ed01b0a03e81e69f45ca109f.tar.xz | |
hwmon: (sfctemp) Add StarFive JH7100 temperature sensor
Register definitions and conversion constants based on sfctemp driver by
Samin in the StarFive 5.10 kernel.
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Samin Guo <samin.guo@starfivetech.com>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/sfctemp.rst | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index f790f1260c33..ddac2c799a1e 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -166,6 +166,7 @@ Hardware Monitoring Kernel Drivers sch5627 sch5636 scpi-hwmon + sfctemp sht15 sht21 sht3x diff --git a/Documentation/hwmon/sfctemp.rst b/Documentation/hwmon/sfctemp.rst new file mode 100644 index 000000000000..465edce2fea5 --- /dev/null +++ b/Documentation/hwmon/sfctemp.rst @@ -0,0 +1,32 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver sfctemp +===================== + +Supported chips: + - StarFive JH7100 + +Authors: + - Emil Renner Berthing <kernel@esmil.dk> + +Description +----------- + +This driver adds support for reading the built-in temperature sensor on the +JH7100 RISC-V SoC 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. +================ ==== ============================================= |