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-Freescale i.MX25 ADC GCQ device
-
-This is a generic conversion queue device that can convert any of the
-analog inputs using the ADC unit of the i.MX25.
-
-Required properties:
- - compatible: Should be "fsl,imx25-gcq".
- - reg: Should be the register range of the module.
- - interrupts: Should be the interrupt number of the module.
- Typically this is <1>.
- - #address-cells: Should be <1> (setting for the subnodes)
- - #size-cells: Should be <0> (setting for the subnodes)
-
-Optional properties:
- - vref-ext-supply: The regulator supplying the ADC reference voltage.
- Required when at least one subnode uses the this reference.
- - vref-xp-supply: The regulator supplying the ADC reference voltage on pin XP.
- Required when at least one subnode uses this reference.
- - vref-yp-supply: The regulator supplying the ADC reference voltage on pin YP.
- Required when at least one subnode uses this reference.
-
-Sub-nodes:
-Optionally you can define subnodes which define the reference voltage
-for the analog inputs.
-
-Required properties for subnodes:
- - reg: Should be the number of the analog input.
- 0: xp
- 1: yp
- 2: xn
- 3: yn
- 4: wiper
- 5: inaux0
- 6: inaux1
- 7: inaux2
-Optional properties for subnodes:
- - fsl,adc-refp: specifies the positive reference input as defined in
- <dt-bindings/iio/adc/fsl-imx25-gcq.h>
- - fsl,adc-refn: specifies the negative reference input as defined in
- <dt-bindings/iio/adc/fsl-imx25-gcq.h>
-
-Example:
-
- adc: adc@50030800 {
- compatible = "fsl,imx25-gcq";
- reg = <0x50030800 0x60>;
- interrupt-parent = <&tscadc>;
- interrupts = <1>;
- #address-cells = <1>;
- #size-cells = <0>;
-
- inaux@5 {
- reg = <5>;
- fsl,adc-refp = <MX25_ADC_REFP_INT>;
- fsl,adc-refn = <MX25_ADC_REFN_NGND>;
- };
- };