From 88de8e1d43e2a1c591e9fd261d0443826c7bebee Mon Sep 17 00:00:00 2001 From: Mike Looijmans Date: Mon, 22 Aug 2016 08:44:32 +0200 Subject: [PATCH] hwmon: (max6650) Add devicetree support documentation This adds the devicetree binding documentation for the max6650 fan controller. Signed-off-by: Mike Looijmans Acked-by: Rob Herring Signed-off-by: Guenter Roeck --- .../devicetree/bindings/hwmon/max6650.txt | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/max6650.txt diff --git a/Documentation/devicetree/bindings/hwmon/max6650.txt b/Documentation/devicetree/bindings/hwmon/max6650.txt new file mode 100644 index 000000000000..d6c10e3680cb --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/max6650.txt @@ -0,0 +1,23 @@ +Bindings for MAX6651 and MAX6650 I2C fan controllers + +Reference: +[1] https://datasheets.maximintegrated.com/en/ds/MAX6650-MAX6651.pdf + +Required properties: +- compatible : One of "maxim,max6650" or "maxim,max6651" +- reg : I2C address, one of 0x1b, 0x1f, 0x4b, 0x48. + +Optional properties, default is to retain the chip's current setting: +- maxim,fan-microvolt : The supply voltage of the fan, either 5000000 uV or + 12000000 uV. +- maxim,fan-prescale : Pre-scaling value, as per datasheet [1]. Lower values + allow more fine-grained control of slower fans. + Valid: 1, 2, 4, 8, 16. + +Example: + fan-max6650: max6650@1b { + reg = <0x1b>; + compatible = "maxim,max6650"; + maxim,fan-microvolt = <12000000>; + maxim,fan-prescale = <4>; + }; -- 2.20.1