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-rw-r--r--Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml5
-rw-r--r--Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml7
-rw-r--r--Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml2
3 files changed, 13 insertions, 1 deletions
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;
diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
index 63369ba388e4..0a192ca192c5 100644
--- a/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
@@ -39,6 +39,12 @@ properties:
power-domains:
maxItems: 1
+ vref-supply:
+ description: |
+ External ADC reference voltage supply on VREFH pad. If VERID[MVI] is
+ set, there are additional, internal reference voltages selectable.
+ VREFH1 is always from VREFH pad.
+
"#io-channel-cells":
const: 1
@@ -72,6 +78,7 @@ examples:
assigned-clocks = <&clk IMX_SC_R_ADC_0>;
assigned-clock-rates = <24000000>;
power-domains = <&pd IMX_SC_R_ADC_0>;
+ vref-supply = <&reg_1v8>;
#io-channel-cells = <1>;
};
};
diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml
index 1c7aee5ed3e0..36dff3250ea7 100644
--- a/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/renesas,rcar-gyroadc.yaml
@@ -90,7 +90,7 @@ patternProperties:
of the MAX chips to the GyroADC, while MISO line of each Maxim
ADC connects to a shared input pin of the GyroADC.
enum:
- - adi,7476
+ - adi,ad7476
- fujitsu,mb88101a
- maxim,max1162
- maxim,max11100