hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

docs: hwmon: pc87360: convert to ReST format 

Convert pc87360 to ReST format, in order to allow it to
be parsed by Sphinx.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Mauro Carvalho Chehab 2019-04-17 06:46:14 -03:00 committed by Guenter Roeck
parent 92e395d7b1
commit a9fc881b9b
1 changed files with 26 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
Documentation/hwmon/pc87360
View File

@ -2,14 +2,19 @@ Kernel driver pc87360
===================== =====================
Supported chips: Supported chips:
* National Semiconductor PC87360, PC87363, PC87364, PC87365 and PC87366 * National Semiconductor PC87360, PC87363, PC87364, PC87365 and PC87366
Prefixes: 'pc87360', 'pc87363', 'pc87364', 'pc87365', 'pc87366' Prefixes: 'pc87360', 'pc87363', 'pc87364', 'pc87365', 'pc87366'
Addresses scanned: none, address read from Super I/O config space Addresses scanned: none, address read from Super I/O config space
Datasheets: No longer available Datasheets: No longer available
Authors: Jean Delvare <jdelvare@suse.de> Authors: Jean Delvare <jdelvare@suse.de>
Thanks to Sandeep Mehta, Tonko de Rooy and Daniel Ceregatti for testing. Thanks to Sandeep Mehta, Tonko de Rooy and Daniel Ceregatti for testing.
Thanks to Rudolf Marek for helping me investigate conversion issues. Thanks to Rudolf Marek for helping me investigate conversion issues.
@ -18,10 +23,12 @@ Module Parameters
* init int * init int
Chip initialization level: Chip initialization level:
0: None
*1: Forcibly enable internal voltage and temperature channels, except in9 - 0: None
2: Forcibly enable all voltage and temperature channels, except in9 - **1**: Forcibly enable internal voltage and temperature channels,
3: Forcibly enable all voltage and temperature channels, including in9 except in9
- 2: Forcibly enable all voltage and temperature channels, except in9
- 3: Forcibly enable all voltage and temperature channels, including in9
Note that this parameter has no effect for the PC87360, PC87363 and PC87364 Note that this parameter has no effect for the PC87360, PC87363 and PC87364
chips. chips.
@ -43,13 +50,15 @@ hardware monitoring chipsets, not only controlling and monitoring three fans,
but also monitoring eleven voltage inputs and two (PC87365) or up to four but also monitoring eleven voltage inputs and two (PC87365) or up to four
(PC87366) temperatures. (PC87366) temperatures.
=========== ======= ======= ======= ======= =====
Chip #vin #fan #pwm #temp devid Chip #vin #fan #pwm #temp devid
=========== ======= ======= ======= ======= =====
PC87360 - 2 2 - 0xE1 PC87360 - 2 2 - 0xE1
PC87363 - 2 2 - 0xE8 PC87363 - 2 2 - 0xE8
PC87364 - 3 3 - 0xE4 PC87364 - 3 3 - 0xE4
PC87365 11 3 3 2 0xE5 PC87365 11 3 3 2 0xE5
PC87366 11 3 3 3-4 0xE9 PC87366 11 3 3 3-4 0xE9
=========== ======= ======= ======= ======= =====
The driver assumes that no more than one chip is present, and one of the The driver assumes that no more than one chip is present, and one of the
standard Super I/O addresses is used (0x2E/0x2F or 0x4E/0x4F) standard Super I/O addresses is used (0x2E/0x2F or 0x4E/0x4F)
@ -68,18 +77,23 @@ have to care no more.
For reference, here are a few values about clock dividers: For reference, here are a few values about clock dividers:
=========== =============== =============== ===========
slowest accuracy highest slowest accuracy highest
measurable around 3000 accurate measurable around 3000 accurate
divider speed (RPM) RPM (RPM) speed (RPM) divider speed (RPM) RPM (RPM) speed (RPM)
=========== =============== =============== ===========
1 1882 18 6928 1 1882 18 6928
2 941 37 4898 2 941 37 4898
4 470 74 3464 4 470 74 3464
8 235 150 2449 8 235 150 2449
=========== =============== =============== ===========
For the curious, here is how the values above were computed: For the curious, here is how the values above were computed:
* slowest measurable speed: clock/(255*divider) * slowest measurable speed: clock/(255*divider)
* accuracy around 3000 RPM: 3000^2/clock * accuracy around 3000 RPM: 3000^2/clock
* highest accurate speed: sqrt(clock*100) * highest accurate speed: sqrt(clock*100)
The clock speed for the PC87360 family is 480 kHz. I arbitrarily chose 100 The clock speed for the PC87360 family is 480 kHz. I arbitrarily chose 100
RPM as the lowest acceptable accuracy. RPM as the lowest acceptable accuracy.