0001 Kernel driver npcm750-pwm-fan
0002 =============================
0003
0004 Supported chips:
0005
0006 NUVOTON NPCM750/730/715/705
0007
0008 Authors:
0009
0010 <tomer.maimon@nuvoton.com>
0011
0012 Description:
0013 ------------
0014 This driver implements support for NUVOTON NPCM7XX PWM and Fan Tacho
0015 controller. The PWM controller supports up to 8 PWM outputs. The Fan tacho
0016 controller supports up to 16 tachometer inputs.
0017
0018 The driver provides the following sensor accesses in sysfs:
0019
0020 =============== ======= =====================================================
0021 fanX_input ro provide current fan rotation value in RPM as reported
0022 by the fan to the device.
0023
0024 pwmX rw get or set PWM fan control value. This is an integer
0025 value between 0(off) and 255(full speed).
0026 =============== ======= =====================================================
