From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Looijmans Subject: [PATCH] hwmon: (max6650.c) Add devicetree support documentation Date: Mon, 22 Aug 2016 08:44:32 +0200 Message-ID: <1471848272-3032-1-git-send-email-mike.looijmans@topic.nl> Return-path: Sender: linux-hwmon-owner@vger.kernel.org To: devicetree@vger.kernel.org Cc: robh@kernel.org, linux@roeck-us.net, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Mike Looijmans List-Id: devicetree@vger.kernel.org This adds the devicetree binding documentation for the max6650 fan controller. Signed-off-by: Mike Looijmans --- 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