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path: root/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
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-rw-r--r--Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
index 49ed82e89870..5dfc88ec24a4 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt
@@ -53,6 +53,11 @@ Required properties:
- #io-channel-cells = <1>: See the IIO bindings section "IIO consumers" in
Documentation/devicetree/bindings/iio/iio-bindings.txt
+Optional properties:
+- dmas: Phandle to dma channel for this ADC instance.
+ See ../../dma/dma.txt for details.
+- dma-names: Must be "rx" when dmas property is being used.
+
Example:
adc: adc@40012000 {
compatible = "st,stm32f4-adc-core";
@@ -77,6 +82,8 @@ Example:
interrupt-parent = <&adc>;
interrupts = <0>;
st,adc-channels = <8>;
+ dmas = <&dma2 0 0 0x400 0x0>;
+ dma-names = "rx";
};
...
other adc child nodes follow...