projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f1fd4a4d TM |
1 | Kernel driver npcm750-pwm-fan |
| 2 | ============================= | |
| 3 | ||
| 4 | Supported chips: | |
| b04f2f7d | 5 | |
| f1fd4a4d TM |
6 | NUVOTON NPCM750/730/715/705 |
| 7 | ||
| 8 | Authors: | |
| b04f2f7d | 9 | |
| f1fd4a4d TM |
10 | <tomer.maimon@nuvoton.com> |
| 11 | ||
| 12 | Description: | |
| 13 | ------------ | |
| 14 | This driver implements support for NUVOTON NPCM7XX PWM and Fan Tacho | |
| 15 | controller. The PWM controller supports up to 8 PWM outputs. The Fan tacho | |
| 16 | controller supports up to 16 tachometer inputs. | |
| 17 | ||
| 18 | The driver provides the following sensor accesses in sysfs: | |
| 19 | ||
| b04f2f7d | 20 | =============== ======= ===================================================== |
| f1fd4a4d TM |
21 | fanX_input ro provide current fan rotation value in RPM as reported |
| 22 | by the fan to the device. | |
| 23 | ||
| 24 | pwmX rw get or set PWM fan control value. This is an integer | |
| 25 | value between 0(off) and 255(full speed). | |
| b04f2f7d | 26 | =============== ======= ===================================================== |