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iio: ti-adc128s052: Add DT binding documentation

Message ID 1425825123-5080-1-git-send-email-angelo.compagnucci@gmail.com
State Needs Review / ACK, archived
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Commit Message

Angelo Compagnucci March 8, 2015, 2:32 p.m. UTC 
Adding binding documentation for Texas Instruments' ADC128S052 ADC chip.

Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
---

Changelog:

* Added signed-off

 .../devicetree/bindings/iio/adc/ti-adc128s052.txt      | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
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Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
new file mode 100644
index 0000000..c8d682b
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
@@ -0,0 +1,18 @@ 
+* Texas Instruments' ADC128S052 ADC chip
+
+Required properties:
+ - compatible: Should be "ti,adc128s052"
+ - reg: spi chip select number for the device
+ - vref-supply: The regulator supply for ADC reference voltage
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+		Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+adc@0 {
+	compatible = "ti,adc128s052";
+	reg = <0>;
+	vref-supply = <&vdd_supply>;
+	spi-max-frequency = <1000000>;
+};