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[PATCH] hwmon: (max6650.c) Add devicetree support documentation

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This adds the devicetree binding documentation for the max6650 fan
controller.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
---
v2: Allow only 12V or 5V supply voltage
 .../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 0000000..d6c10e3
--- /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>;
+	};
-- 
1.9.1

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[PATCH] hwmon: (max6650.c) Add devicetree support documentation Mike Looijmans <mike.looijmans@topic.nl> - 2016-08-22 08:50 +0200
  Re: [PATCH] hwmon: (max6650.c) Add devicetree support documentation Rob Herring <robh@kernel.org> - 2016-08-23 20:10 +0200

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