[PATCH v3 3/8] dt-bindings: iio: adc: adi,ad4030: Add PWM

Marcelo Schmitt
2025-09-26T20:40:43Z

In setups designed for high speed data rate capture, a PWM is used to
generate the CNV signal that issues data captures from the ADC. Document
the use of a PWM for AD4030 and similar devices.

Reviewed-by: David Lechner <dlechner@baylibre.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
---
Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
index a8fee4062d0e..564b6f67a96e 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
@@ -64,6 +64,10 @@ properties:
The Reset Input (/RST). Used for asynchronous device reset.
maxItems: 1

+ pwms:
+ description: PWM signal connected to the CNV pin.
+ maxItems: 1
+
interrupts:
description:
The BUSY pin is used to signal that the conversions results are available
--
2.39.2