Document the devicetree bindings for the Microchip MCP3021/3221.
Signed-off-by: Clemens Gruber <[email protected]>
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Documentation/devicetree/bindings/hwmon/mcp3021.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/mcp3021.txt
diff --git a/Documentation/devicetree/bindings/hwmon/mcp3021.txt
b/Documentation/devicetree/bindings/hwmon/mcp3021.txt
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+mcp3021 properties
+
+Required properties:
+- compatible: Must be one of the following:
+ - "microchip,mcp3021" for mcp3021
+ - "microchip,mcp3221" for mcp3221
+- reg: I2C address
+
+Optional properties:
+
+- reference-voltage-microvolt
+ Reference voltage in microvolt (uV)
+
+Example:
+
+mcp3021@4d {
+ compatible = "microchip,mcp3021";
+ reg = <0x4d>;
+
+ reference-voltage-microvolt = <4500000>; /* 4.5 V */
+};
--
2.10.1
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