diff mbox series

[v3,04/17] dt-bindings: iio: adc: ad7768-1: Document GPIO controller

Message ID 20250211234700.1008249-1-Jonathan.Santos@analog.com (mailing list archive)
State Superseded
Headers show
Series iio: adc: ad7768-1: Add features, improvements, and fixes | expand

Commit Message

Jonathan Santos Feb. 11, 2025, 11:47 p.m. UTC 
The AD7768-1 ADC exports four bidirectional GPIOs accessible
via register map.

Document GPIO properties necessary to enable GPIO controller for this
device.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
---
v3 Changes:
* none.

v2 Changes:
* New patch in v2.
---
 .../devicetree/bindings/iio/adc/adi,ad7768-1.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
index 4bcc9e20fab9..e2f9782b5fc8 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
@@ -72,6 +72,14 @@  properties:
   "#trigger-source-cells":
     const: 0
 
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+    description: |
+      The first cell is for the GPIO number: 0 to 3.
+      The second cell takes standard GPIO flags.
+
 required:
   - compatible
   - reg
@@ -126,6 +134,8 @@  examples:
             spi-max-frequency = <2000000>;
             spi-cpol;
             spi-cpha;
+            gpio-controller;
+            #gpio-cells = <2>;
             vref-supply = <&adc_vref>;
             interrupts = <25 IRQ_TYPE_EDGE_RISING>;
             interrupt-parent = <&gpio>;