[PATCH v5 1/2] Documentation: dtb: lm87: Add hwmon binding documentation

[Chris Packham]

From: Mahoda Ratnayaka <mahoda.ratnay...@alliedtelesis.co.nz>

This patch adds lm87 hwmon device tree node documentation.

Signed-off-by: Mahoda Ratnayaka <mahoda.ratnay...@alliedtelesis.co.nz>
Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
Acked-by: Rob Herring <robh...@kernel.org>
---
- Changes since v1:
   As suggested include all the changes are moved in
   to the same patch and the all the optional properties
   are now defined instead of using a single variable to
   indicate those properties.
    
- Changes since v2:
   Changed has-vcc-5v to use regulator binding and fixed
   a minor copy paste mistake.
    
- Changes since v3:
   Update the vcc-supply description.

- Changes since v4:
   Collect Ack from Rob Herring

 Documentation/devicetree/bindings/hwmon/lm87.txt | 30 ++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/lm87.txt

diff --git a/Documentation/devicetree/bindings/hwmon/lm87.txt 
b/Documentation/devicetree/bindings/hwmon/lm87.txt
new file mode 100644
index 000000000000..e1b79903f204
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/lm87.txt
@@ -0,0 +1,30 @@
+*LM87 hwmon sensor.
+
+Required properties:
+- compatible: Should be
+       "ti,lm87"
+
+- reg: I2C address
+
+optional properties:
+- has-temp3: This configures pins 18 and 19 to be used as a second
+             remote temperature sensing channel. By default the pins
+             are configured as voltage input pins in0 and in5.
+
+- has-in6: When set, pin 5 is configured to be used as voltage input
+           in6. Otherwise the pin is set as FAN1 input.
+
+- has-in7: When set, pin 6 is configured to be used as voltage input
+           in7. Otherwise the pin is set as FAN2 input.
+
+- vcc-supply: a Phandle for the regulator supplying power, can be
+              cofigured to measure 5.0V power supply. Default is 3.3V.
+
+Example:
+
+lm87@2e {
+       compatible = "ti,lm87";
+       reg = <0x2e>;
+       has-temp3;
+       vcc-supply = <&reg_5v0>;
+};
-- 
2.11.0.24.ge6920cf

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