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