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authorFabrizio Lamarque <fl.scratchpad@gmail.com>2023-05-30 09:53:10 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2023-06-04 12:35:26 +0100
commitc6dab7245604862d86f0b6d764919f470584d24f (patch)
treeb688b04e1eb0372c2b00f0d1c86d64d13a0f61d6
parentf7d9e21dd274b97dc0a8dbc136a2ea8506063a96 (diff)
downloadiio-c6dab7245604862d86f0b6d764919f470584d24f.tar.gz
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 <fl.scratchpad@gmail.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Cc: <Stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230530075311.400686-5-fl.scratchpad@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index d521d516088be7..16def2985ab4fe 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;