The AD7768-1 ADC exports four bidirectional GPIOs accessible
via register map.
Document GPIO properties necessary to enable GPIO controller for this
device.
Signed-off-by: Jonathan Santos <Jonathan.Santos@xxxxxxxxxx>
---
v2 Changes:
* New patch in v2.
---
.../devicetree/bindings/iio/adc/adi,ad7768-1.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
index 3e119cf1754b..da05c8448530 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
@@ -121,6 +129,8 @@ 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>;
--
2.34.1
