+ enum:
+ - dout-int
+ - clk
+ - p2
+ - dout
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ refin1-supply:
+ description: refin1 supply. Can be used as reference for conversion.
+
+ refin2-supply:
+ description: refin2 supply. Can be used as reference for conversion.
+
+ avdd-supply:
+ description: AVDD voltage supply. Can be used as reference for conversion.
+
+ iovdd-supply:
+ description: IOVDD voltage supply. Used for the chip interface.
+
+ spi-max-frequency:
+ maximum: 5000000
+
+ adi,int-clk-out:
+ description: Specify if the internal clock should be exposed on the CLK pin.
+ type: boolean
+
+ adi,ext-clk-freq:
+ description: Specify the frequency of the external clock.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [76800, 153600]
+ default: 76800
+
+ adi,bipolar:
+ description: Specify if the device should be used in bipolar mode.
+ type: boolean
+
+ adi,vbias-pins:
+ description: Analog inputs to apply a voltage bias of (AVDD − AVSS) / 2 to.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ maxItems: 16
+ items:
+ minimum: 0
+ maximum: 15
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+patternProperties:
+ "^channel@([0-9]|1[0-5])$":
+ type: object
+ $ref: adc.yaml
+
+ properties:
+ reg:
+ description: |
+ The channel number.
+ items:
+ minimum: 0
+ maximum: 15
+
+ diff-channels:
+ description: |
+ Besides the analog inputs available, internal inputs can be used.
+ 16: Internal temperature sensor.
+ 17: AVSS
+ 18: Internal reference
+ 19: DGND
+ 20: (AVDD − AVSS)/6+
+ 21: (AVDD − AVSS)/6-
+ 22: (IOVDD − DGND)/6+
+ 23: (IOVDD − DGND)/6-
+ 24: (ALDO − AVSS)/6+
+ 25: (ALDO − AVSS)/6-
+ 26: (DLDO − DGND)/6+
+ 27: (DLDO − DGND)/6-
+ 28: V_MV_P
+ 29: V_MV_M
+ items:
+ minimum: 0
+ maximum: 29
+
+ adi,reference-select:
+ description: |
+ Select the reference source to use when converting on the
+ specific channel. Valid values are:
+ 0: REFIN1(+)/REFIN1(−)
+ 1: REFIN2(+)/REFIN2(−)
+ 2: REFOUT/AVSS (Internal reference)
+ 3: AVDD/AVSS
+ If not specified, REFIN1 is used.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2, 3]
+ default: 0
+
+ adi,excitation-pin-0:
+ description: |
+ Analog input to apply excitation current to while the channel
+ is active.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ default: 0
+
+ adi,excitation-pin-1:
+ description: |
+ Analog input to apply excitation current to while this channel
+ is active.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ default: 0
+
+ adi,excitation-current-0-nanoamps:
+ description: |
+ Excitation current in nanoamps to be applied to pin specified in
+ adi,excitation-pin-0 while this channel is active.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 100, 10000, 20000, 50000, 100000, 150000, 200000]
+ default: 0
+
+ adi,excitation-current-1-nanoamps:
+ description: |
+ Excitation current in nanoamps to be applied to pin specified in
+ adi,excitation-pin-1 while this channel is active.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 100, 10000, 20000, 50000, 100000, 150000, 200000]
+ default: 0
+
+ adi,burnout-current-nanoamps:
+ description: |
+ Burnout current in nanoamps to be applied for this channel.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 500, 2000, 4000]
+ default: 0
+
+ adi,buffered-positive:
+ description: Enable buffered mode for positive input.
+ type: boolean
+
+ adi,buffered-negative:
+ description: Enable buffered mode for negative input.
+ type: boolean
+
+ required:
+ - reg
+ - diff-channels
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@0 {
+ compatible = "adi,ad4130-8-24-wlcsp";
+ reg = <0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spi-max-frequency = <5000000>;
+ interrupts = <27 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpio>;
+
+ channel@0 {
+ reg = <0>;
+
+ adi,reference-select = <2>;
+
+ /* AIN8, AIN9 */
+ diff-channels = <8 9>;
+ };
+
+ channel@1 {
+ reg = <1>;
+
+ adi,reference-select = <2>;
+
+ /* AIN10, AIN11 */
+ diff-channels = <10 11>;
+ };
+
+ channel@2 {
+ reg = <2>;
+
+ adi,reference-select = <2>;
+
+ /* Temperature Sensor, DGND */
+ diff-channels = <16 19>;
+ };
+
+ channel@3 {
+ reg = <3>;
+
+ adi,reference-select = <2>;
+
+ /* Internal reference, DGND */
+ diff-channels = <18 19>;
+ };
+
+ channel@4 {
+ reg = <4>;
+
+ adi,reference-select = <2>;
+
+ /* DGND, DGND */
+ diff-channels = <19 19>;
+ };
+ };
+ };
--
2.35.3
