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dt-bindings: hwmon: npcm: Add npcm845 compatible string 

Add a compatible string for Nuvoton BMC NPCM845 Pulse Width Modulation
(PWM) and Fan tach controller.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231018181925.1826042-2-tmaimon77@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Tomer Maimon 2023-10-18 21:19:24 +03:00 committed by Guenter Roeck
parent 2b9ea4262a
commit e56a5e3dfd
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/hwmon/npcm750-pwm-fan.txt
View File

@ -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.