[PATCH 2/4] Documentation: bindings: document the Berlin ADC driver

[Antoine Tenart]

Following the addition of a Berlin ADC driver, this patch adds the
corresponding bindings documentation.

Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
---
 .../devicetree/bindings/iio/adc/berlin2_adc.txt       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt

diff --git a/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt b/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt
new file mode 100644
index 000000000000..908334c6b07f
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/berlin2_adc.txt
@@ -0,0 +1,19 @@
+* Berlin Analog to Digital Converter (ADC)
+
+The Berlin ADC has 8 channels, with one connected to a temperature sensor.
+It is part of the system controller register set. The ADC node should be a
+sub-node of the system controller node.
+
+Required properties:
+- compatible: must be "marvell,berlin2-adc"
+- interrupts: the interrupts for the ADC and the temperature sensor
+- interrupt-names: should be "adc" and "tsen"
+
+Example:
+
+adc: adc {
+	compatible = "marvell,berlin2-adc";
+	interrupt-parent = <&sic>;
+	interrupts = <12>, <14>;
+	interrupt-names = "adc", "tsen";
+};
-- 
2.3.3

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