From: Marcelo Schmitt <marcelo.schmitt@analog.com>
Date: Mon, 23 Feb 2026 17:09:31 +0000 (-0300)
Subject: dt-bindings: iio: adc: adi,ad4030: Add PWM
X-Git-Tag: v7.1-rc1~17^2~120^2~131
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e0d71dc04e24bdcdc3468bf0081eb79dd016b9a;p=thirdparty%2Flinux.git

dt-bindings: iio: adc: adi,ad4030: Add PWM

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>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
index 29e266865805e..a135c66142df2 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4030.yaml
@@ -72,6 +72,10 @@ 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