xref: /linux/Documentation/devicetree/bindings/iio/adc/gehc,pmc-adc.yaml (revision d723c456ef5ad60d368e62791004fd152c4380aa) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/iio/adc/gehc,pmc-adc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: GE HealthCare PMC Analog to Digital Converter (ADC)
8
9maintainers:
10  - Herve Codina <herve.codina@bootlin.com>
11
12description:
13  The GE HealthCare PMC ADC is a 16-Channel (voltage and current), 16-Bit ADC
14  with an I2C Interface.
15
16properties:
17  compatible:
18    const: gehc,pmc-adc
19
20  reg:
21    maxItems: 1
22
23  vdd-supply:
24    description:
25      Regulator for the VDD power supply.
26
27  vdda-supply:
28    description:
29      Regulator for the VDD analog (VDDA) power supply.
30
31  vddio-supply:
32    description:
33      Regulator for the VDD IO (VDDIO) power supply.
34
35  vref-supply:
36    description:
37      Regulator for the voltage reference power supply.
38
39  clocks:
40    maxItems: 1
41    description:
42      The component uses an external oscillator (osc) if an external oscillator
43      is connected to its clock pins. Otherwise, it uses an internal reference
44      clock.
45
46  clock-names:
47    items:
48      - const: osc
49
50  "#io-channel-cells":
51    const: 2
52    description: |
53      The first cell is the channel type (dt-bindings/iio/adc/gehc,pmc-adc.h
54      defines these values):
55       - 0: voltage
56       - 1: current
57      The second cell is the channel number from 0 to 15.
58
59required:
60  - compatible
61  - reg
62  - vdd-supply
63  - vdda-supply
64  - vddio-supply
65  - vref-supply
66  - '#io-channel-cells'
67
68additionalProperties: false
69
70examples:
71  - |
72    i2c {
73        #address-cells = <1>;
74        #size-cells = <0>;
75
76        adc@14 {
77            compatible = "gehc,pmc-adc";
78            reg = <0x14>;
79            vdd-supply = <&reg_vdd>;
80            vdda-supply = <&reg_vdda>;
81            vddio-supply = <&reg_vddio>;
82            vref-supply = <&reg_vref>;
83            #io-channel-cells = <2>;
84        };
85    };
86...
87