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Subject[PATCH 2/3] iio: potentiometer: mcp4531: Add device tree binding documentation
Date
Add the device tree documentation for all the supported parts. Apart the
compatible string and standard I2C binding, no other binding is currently
needed.

Signed-off-by: Florian Vaussard <florian.vaussard@heig-vd.ch>
---
.../bindings/iio/potentiometer/mcp4531.txt | 84 ++++++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt

diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
new file mode 100644
index 0000000..b052299
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
@@ -0,0 +1,84 @@
+* Microchip MCP453X/454X/455X/456X/463X/464X/465X/466X Digital Potentiometer
+ driver
+
+The node for this driver must be a child node of a I2C controller, hence
+all mandatory properties for your controller must be specified. See directory:
+
+ Documentation/devicetree/bindings/i2c
+
+for more details.
+
+Required properties:
+ - compatible: Must be one of the following, depending on the
+ model:
+ "microchip,mcp4531-502"
+ "microchip,mcp4531-103"
+ "microchip,mcp4531-503"
+ "microchip,mcp4531-104"
+ "microchip,mcp4532-502"
+ "microchip,mcp4532-103"
+ "microchip,mcp4532-503"
+ "microchip,mcp4532-104"
+ "microchip,mcp4541-502"
+ "microchip,mcp4541-103"
+ "microchip,mcp4541-503"
+ "microchip,mcp4541-104"
+ "microchip,mcp4542-502"
+ "microchip,mcp4542-103"
+ "microchip,mcp4542-503"
+ "microchip,mcp4542-104"
+ "microchip,mcp4551-502"
+ "microchip,mcp4551-103"
+ "microchip,mcp4551-503"
+ "microchip,mcp4551-104"
+ "microchip,mcp4552-502"
+ "microchip,mcp4552-103"
+ "microchip,mcp4552-503"
+ "microchip,mcp4552-104"
+ "microchip,mcp4561-502"
+ "microchip,mcp4561-103"
+ "microchip,mcp4561-503"
+ "microchip,mcp4561-104"
+ "microchip,mcp4562-502"
+ "microchip,mcp4562-103"
+ "microchip,mcp4562-503"
+ "microchip,mcp4562-104"
+ "microchip,mcp4631-502"
+ "microchip,mcp4631-103"
+ "microchip,mcp4631-503"
+ "microchip,mcp4631-104"
+ "microchip,mcp4632-502"
+ "microchip,mcp4632-103"
+ "microchip,mcp4632-503"
+ "microchip,mcp4632-104"
+ "microchip,mcp4641-502"
+ "microchip,mcp4641-103"
+ "microchip,mcp4641-503"
+ "microchip,mcp4641-104"
+ "microchip,mcp4642-502"
+ "microchip,mcp4642-103"
+ "microchip,mcp4642-503"
+ "microchip,mcp4642-104"
+ "microchip,mcp4651-502"
+ "microchip,mcp4651-103"
+ "microchip,mcp4651-503"
+ "microchip,mcp4651-104"
+ "microchip,mcp4652-502"
+ "microchip,mcp4652-103"
+ "microchip,mcp4652-503"
+ "microchip,mcp4652-104"
+ "microchip,mcp4661-502"
+ "microchip,mcp4661-103"
+ "microchip,mcp4661-503"
+ "microchip,mcp4661-104"
+ "microchip,mcp4662-502"
+ "microchip,mcp4662-103"
+ "microchip,mcp4662-503"
+ "microchip,mcp4662-104"
+ -reg: Slave I2C address of the potentiometer
+
+Example:
+mcp4561: mcp4561@2e {
+ compatible = "microchip,mcp4561-103";
+ reg = <0x2e>;
+};
--
2.5.0
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