The AD7768-1 ADC exports four bidirectional GPIOs accessible
via register map.
Document GPIO properties necessary to enable GPIO controller for this
device.
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Signed-off-by: Jonathan Santos <Jonathan.Santos@xxxxxxxxxx>
---
v9 Changes:
* none.
v8 Changes:
* none.
v7 Changes:
* none.
v6 Changes:
* none.
v5 Changes:
* none.
v4 Changes:
* none.
v3 Changes:
* none.
v2 Changes:
* New
---
.../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 9a6df931edc3..18f93586fcdf 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7768-1.yaml
@@ -85,6 +85,14 @@ properties:
dt-bindings/iio/adc/adi,ad7768-1.h.
const: 1
+ 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
@@ -142,6 +150,8 @@ 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
