17ebd8b66SMauro Carvalho ChehabKernel driver npcm750-pwm-fan 27ebd8b66SMauro Carvalho Chehab============================= 37ebd8b66SMauro Carvalho Chehab 47ebd8b66SMauro Carvalho ChehabSupported chips: 57ebd8b66SMauro Carvalho Chehab 67ebd8b66SMauro Carvalho Chehab NUVOTON NPCM750/730/715/705 77ebd8b66SMauro Carvalho Chehab 87ebd8b66SMauro Carvalho ChehabAuthors: 97ebd8b66SMauro Carvalho Chehab 107ebd8b66SMauro Carvalho Chehab <tomer.maimon@nuvoton.com> 117ebd8b66SMauro Carvalho Chehab 127ebd8b66SMauro Carvalho ChehabDescription: 137ebd8b66SMauro Carvalho Chehab------------ 147ebd8b66SMauro Carvalho ChehabThis driver implements support for NUVOTON NPCM7XX PWM and Fan Tacho 157ebd8b66SMauro Carvalho Chehabcontroller. The PWM controller supports up to 8 PWM outputs. The Fan tacho 167ebd8b66SMauro Carvalho Chehabcontroller supports up to 16 tachometer inputs. 177ebd8b66SMauro Carvalho Chehab 187ebd8b66SMauro Carvalho ChehabThe driver provides the following sensor accesses in sysfs: 197ebd8b66SMauro Carvalho Chehab 207ebd8b66SMauro Carvalho Chehab=============== ======= ===================================================== 217ebd8b66SMauro Carvalho ChehabfanX_input ro provide current fan rotation value in RPM as reported 227ebd8b66SMauro Carvalho Chehab by the fan to the device. 237ebd8b66SMauro Carvalho Chehab 247ebd8b66SMauro Carvalho ChehabpwmX rw get or set PWM fan control value. This is an integer 257ebd8b66SMauro Carvalho Chehab value between 0(off) and 255(full speed). 267ebd8b66SMauro Carvalho Chehab=============== ======= ===================================================== 27