[PATCH 06/22] dt-bindings: iio: dac: ad5686: rework on power supplies

Rodrigo Alencar via B4 Relay
2026-04-22T14:46:24Z

From: Rodrigo Alencar <rodrigo.alencar@analog.com>

Add supplies for VDD, VLOGIC and VREF input voltage pins. The vcc-supply
property is deprecated. Certain devices require vref-supply to be
available once an internal reference voltage is absent. Still, this patch
does not add those as 'required' so that the ABI is not broken.

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
---
.../devicetree/bindings/iio/dac/adi,ad5686.yaml | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml
index 543ee181f7b3..3292d5190b70 100644
--- a/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5686.yaml
@@ -40,8 +40,22 @@ properties:
reg:
maxItems: 1

+ vdd-supply:
+ description: Input power supply.
+
+ vlogic-supply:
+ description:
+ Digital power supply. If not supplied, it is assumed to be the same as
+ vdd-supply. VLOGIC may be hardwired to VDD in some board designs or
+ internally connected in small packages.
+
+ vref-supply:
+ description:
+ Reference voltage supply. If not supplied the internal reference is used.
+
vcc-supply:
- description: If not supplied the internal reference is used.
+ deprecated: true
+ description: Use vref-supply instead.

reset-gpios:
description: Active-low RESET pin to reset the device.
@@ -89,7 +103,9 @@ examples:
dac@0 {
reg = <0>;
compatible = "adi,ad5310r";
- vcc-supply = <&dac_vref0>;
+ vdd-supply = <&dac_vdd>;
+ vlogic-supply = <&dac_vlogic>;
+ vref-supply = <&dac_vref>;
reset-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
ldac-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
};

--
2.43.0