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author | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-17 12:46:29 +0300 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2019-04-17 20:37:23 +0300 |
commit | 7ebd8b66dd9e5a0b65e5ee5e2b8e7ca382ec97b7 (patch) | |
tree | 9db30159bd32bec125c7d49e80a79bb7c4da0c8e /Documentation/hwmon/amc6821 | |
parent | b04f2f7d387b3160883c2a1f5e2285483a791e82 (diff) | |
download | linux-7ebd8b66dd9e5a0b65e5ee5e2b8e7ca382ec97b7.tar.xz |
docs: hwmon: Add an index file and rename docs to *.rst
Now that all files were converted to ReST format, rename them
and add an index.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/amc6821')
-rw-r--r-- | Documentation/hwmon/amc6821 | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/Documentation/hwmon/amc6821 b/Documentation/hwmon/amc6821 deleted file mode 100644 index d10eabcbc0f3..000000000000 --- a/Documentation/hwmon/amc6821 +++ /dev/null @@ -1,109 +0,0 @@ -Kernel driver amc6821 -===================== - -Supported chips: - - Texas Instruments AMC6821 - - Prefix: 'amc6821' - - Addresses scanned: 0x18, 0x19, 0x1a, 0x2c, 0x2d, 0x2e, 0x4c, 0x4d, 0x4e - - Datasheet: http://focus.ti.com/docs/prod/folders/print/amc6821.html - -Authors: - Tomaz Mertelj <tomaz.mertelj@guest.arnes.si> - - -Description ------------ - -This driver implements support for the Texas Instruments amc6821 chip. -The chip has one on-chip and one remote temperature sensor and one pwm fan -regulator. -The pwm can be controlled either from software or automatically. - -The driver provides the following sensor accesses in sysfs: - -======================= == =============================================== -temp1_input ro on-chip temperature -temp1_min rw " -temp1_max rw " -temp1_crit rw " -temp1_min_alarm ro " -temp1_max_alarm ro " -temp1_crit_alarm ro " - -temp2_input ro remote temperature -temp2_min rw " -temp2_max rw " -temp2_crit rw " -temp2_min_alarm ro " -temp2_max_alarm ro " -temp2_crit_alarm ro " -temp2_fault ro " - -fan1_input ro tachometer speed -fan1_min rw " -fan1_max rw " -fan1_fault ro " -fan1_div rw Fan divisor can be either 2 or 4. - -pwm1 rw pwm1 -pwm1_enable rw regulator mode, 1=open loop, 2=fan controlled - by remote temperature, 3=fan controlled by - combination of the on-chip temperature and - remote-sensor temperature, -pwm1_auto_channels_temp ro 1 if pwm_enable==2, 3 if pwm_enable==3 -pwm1_auto_point1_pwm ro Hardwired to 0, shared for both - temperature channels. -pwm1_auto_point2_pwm rw This value is shared for both temperature - channels. -pwm1_auto_point3_pwm rw Hardwired to 255, shared for both - temperature channels. - -temp1_auto_point1_temp ro Hardwired to temp2_auto_point1_temp - which is rw. Below this temperature fan stops. -temp1_auto_point2_temp rw The low-temperature limit of the proportional - range. Below this temperature - pwm1 = pwm1_auto_point2_pwm. It can go from - 0 degree C to 124 degree C in steps of - 4 degree C. Read it out after writing to get - the actual value. -temp1_auto_point3_temp rw Above this temperature fan runs at maximum - speed. It can go from temp1_auto_point2_temp. - It can only have certain discrete values - which depend on temp1_auto_point2_temp and - pwm1_auto_point2_pwm. Read it out after - writing to get the actual value. - -temp2_auto_point1_temp rw Must be between 0 degree C and 63 degree C and - it defines the passive cooling temperature. - Below this temperature the fan stops in - the closed loop mode. -temp2_auto_point2_temp rw The low-temperature limit of the proportional - range. Below this temperature - pwm1 = pwm1_auto_point2_pwm. It can go from - 0 degree C to 124 degree C in steps - of 4 degree C. - -temp2_auto_point3_temp rw Above this temperature fan runs at maximum - speed. It can only have certain discrete - values which depend on temp2_auto_point2_temp - and pwm1_auto_point2_pwm. Read it out after - writing to get actual value. -======================= == =============================================== - - -Module parameters ------------------ - -If your board has a BIOS that initializes the amc6821 correctly, you should -load the module with: init=0. - -If your board BIOS doesn't initialize the chip, or you want -different settings, you can set the following parameters: - -- init=1, -- pwminv: 0 default pwm output, 1 inverts pwm output. - |