[PATCH v3 1/2] iio: document ti-dac8554 devicetree bindings

[Nikolaus Schulz]

Signed-off-by: Nikolaus Schulz <nikolaus.schulz@xxxxxxxxxxxxxxxxx>
---
 .../devicetree/bindings/iio/dac/ti-dac8554.txt     | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/dac/ti-dac8554.txt

diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac8554.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac8554.txt
new file mode 100644
index 0000000..32e96859
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti-dac8554.txt
@@ -0,0 +1,22 @@
+TI DAC8554 Digital to Analog Converter
+
+This driver supports the SPI bus.
+
+Required properties:
+	- compatible: must be "ti,dac8554"
+	- vref-supply: the vref power supply
+	- ti,address: the additional 2-bit chip address
+
+For required properties on SPI, please consult
+Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+
+	dac8554@0 {
+		compatible = "ti,dac8554";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+
+		vref-supply = <&vdd_vref>;
+		ti,address = <0>;
+	};
-- 
2.1.3

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