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dt-bindings: iio: ad7192: Add mandatory reference voltage source
commitc6dab72456
upstream. Add required reference voltage (VRef) supply regulator. AD7192 requires three independent voltage sources: DVdd, AVdd and VRef (on REFINx pin pairs). Fixes:b581f748cc
("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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -47,6 +47,9 @@ properties:
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avdd-supply:
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description: AVdd voltage supply
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vref-supply:
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description: VRef voltage supply
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adi,rejection-60-Hz-enable:
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description: |
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This bit enables a notch at 60 Hz when the first notch of the sinc
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@ -89,6 +92,7 @@ required:
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- interrupts
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- dvdd-supply
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- avdd-supply
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- vref-supply
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- spi-cpol
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- spi-cpha
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@ -115,6 +119,7 @@ examples:
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interrupt-parent = <&gpio>;
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dvdd-supply = <&dvdd>;
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avdd-supply = <&avdd>;
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vref-supply = <&vref>;
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adi,refin2-pins-enable;
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adi,rejection-60-Hz-enable;
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