From c6dab7245604862d86f0b6d764919f470584d24f Mon Sep 17 00:00:00 2001 From: Fabrizio Lamarque Date: Tue, 30 May 2023 09:53:10 +0200 Subject: [PATCH] dt-bindings: iio: ad7192: Add mandatory reference voltage source Add required reference voltage (VRef) supply regulator. AD7192 requires three independent voltage sources: DVdd, AVdd and VRef (on REFINx pin pairs). Fixes: b581f748cce0 ("staging: iio: adc: ad7192: move out of staging") Signed-off-by: Fabrizio Lamarque Acked-by: Conor Dooley Cc: Link: https://lore.kernel.org/r/20230530075311.400686-5-fl.scratchpad@gmail.com Signed-off-by: Jonathan Cameron --- Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml index d521d516088b..16def2985ab4 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml @@ -47,6 +47,9 @@ properties: avdd-supply: description: AVdd voltage supply + vref-supply: + description: VRef voltage supply + adi,rejection-60-Hz-enable: description: | This bit enables a notch at 60 Hz when the first notch of the sinc @@ -89,6 +92,7 @@ required: - interrupts - dvdd-supply - avdd-supply + - vref-supply - spi-cpol - spi-cpha @@ -115,6 +119,7 @@ examples: interrupt-parent = <&gpio>; dvdd-supply = <&dvdd>; avdd-supply = <&avdd>; + vref-supply = <&vref>; adi,refin2-pins-enable; adi,rejection-60-Hz-enable;