Add documentation for the device tree bindings of the AD2S1200 resolver.
Signed-off-by: David Veenstra <davidjulianveenstra@xxxxxxxxx>
---
Changes in v4:
- Added vendor prefix to gpio function name.
- Added unit address.
- Changed commit subject to be more inline with other dt-bindings
commit .
.../bindings/iio/resolver/ad2s1200.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
diff --git a/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt b/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
new file mode 100644
index 000000000000..bbf54260c911
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/resolver/ad2s1200.txt
@@ -0,0 +1,16 @@
+Analog Devices AD2S1200 and AD2S1205 Resolver-to-Digital Converter
+
+Required properties:
+ - compatible : should be "adi,ad2s1200" or "adi,ad2s1205"
+ - reg : the SPI chip select number of the device
+ - adi,sample-gpios : The GPIO pin connected to the SAMPLE line of the AD2S1200
+ - adi,rdvel-gpios : The GPIO pin connected to the RDVEL line of the AD2S1200
+
+Example:
+
+ resolver@0 {
+ compatible = "adi,ad2s1200";
+ reg = <4>;
+ adi,sample-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+ adi,rdvel-gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
+ };
--
2.17.0
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