Add documentation of device tree bindings to support
sigma delta modulator in IIO framework.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
.../devicetree/bindings/iio/adc/sigma-delta-modulator.txt | 13 +++++++++++++
1 file changed, 13 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
new file mode 100644
index 0000000..e9ebb8a
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
@@ -0,0 +1,13 @@
+Device-Tree bindings for sigma delta modulator
+
+Required properties:
+- compatible: should be "ads1201", "sd-modulator". "sd-modulator" can be use
+ as a generic SD modulator if modulator not specified in compatible list.
+- #io-channel-cells = <1>: See the IIO bindings section "IIO consumers".
+
+Example node:
+
+ ads1202: adc@0 {
+ compatible = "sd-modulator";
+ #io-channel-cells = <1>;
+ };
--
2.7.4
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