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-rw-r--r--Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
index 1ea60dff98d5..0baf620e9057 100644
--- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
@@ -33,6 +33,19 @@ properties:
description:
Analog supply voltage (AVDD).
+ vsup-supply:
+ description:
+ Supply voltage for the on-chip regulator (VSUP).
+
+ dvdd-supply:
+ description:
+ Digital supply voltage (DVDD). On the HX711, DVDD is a
+ board-supplied digital rail; it was missing from the original
+ binding. On the HX710B, DVDD must be greater than or equal to
+ AVDD; when DVDD is a battery rail and AVDD is a regulated supply,
+ one channel monitors the DVDD-AVDD difference for battery level
+ detection.
+
clock-frequency:
description:
Controls the SCK bit-bang timing. The value is used to derive the