diff options
Diffstat (limited to 'Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt index 28f43e929f6d..18095ba87a5a 100644 --- a/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt +++ b/Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt @@ -1,12 +1,16 @@ -Nuvoton NPCM7xx PWM and Fan Tacho controller device +Nuvoton NPCM PWM and Fan Tacho controller device The Nuvoton BMC NPCM7XX supports 8 Pulse-width modulation (PWM) controller outputs and 16 Fan tachometer controller inputs. +The Nuvoton BMC NPCM8XX supports 12 Pulse-width modulation (PWM) +controller outputs and 16 Fan tachometer controller inputs. + Required properties for pwm-fan node - #address-cells : should be 1. - #size-cells : should be 0. - compatible : "nuvoton,npcm750-pwm-fan" for Poleg NPCM7XX. + : "nuvoton,npcm845-pwm-fan" for Arbel NPCM8XX. - reg : specifies physical base address and size of the registers. - reg-names : must contain: * "pwm" for the PWM registers. @@ -23,7 +27,7 @@ Required properties for pwm-fan node fan subnode format: =================== Under fan subnode can be upto 8 child nodes, each child node representing a fan. -Each fan subnode must have one PWM channel and atleast one Fan tach channel. +Each fan subnode must have one PWM channel and at least one Fan tach channel. For PWM channel can be configured cooling-levels to create cooling device. Cooling device could be bound to a thermal zone for the thermal control. |