rohm,bd79124.yaml

  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/iio/adc/rohm,bd79124.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: ROHM BD79124 ADC/GPO
  8
  9maintainers:
 10  - Matti Vaittinen <mazziesaccount@gmail.com>
 11
 12description: |
 13  The ROHM BD79124 is a 12-bit, 8-channel, SAR ADC. The ADC supports
 14  an automatic measurement mode, with an alarm interrupt for out-of-window
 15  measurements. ADC input pins can be also configured as general purpose
 16  outputs.
 17
 18properties:
 19  compatible:
 20    const: rohm,bd79124
 21
 22  reg:
 23    description:
 24      I2C slave address.
 25    maxItems: 1
 26
 27  interrupts:
 28    maxItems: 1
 29
 30  gpio-controller: true
 31
 32  "#gpio-cells":
 33    const: 1
 34    description:
 35      The pin number.
 36
 37  vdd-supply: true
 38
 39  iovdd-supply: true
 40
 41  "#address-cells":
 42    const: 1
 43
 44  "#size-cells":
 45    const: 0
 46
 47patternProperties:
 48  "^channel@[0-7]+$":
 49    type: object
 50    $ref: /schemas/iio/adc/adc.yaml#
 51    description: Represents ADC channel.
 52
 53    properties:
 54      reg:
 55        description: AIN pin number
 56        minimum: 0
 57        maximum: 7
 58
 59    required:
 60      - reg
 61
 62    additionalProperties: false
 63
 64required:
 65  - compatible
 66  - reg
 67  - iovdd-supply
 68  - vdd-supply
 69
 70additionalProperties: false
 71
 72examples:
 73  - |
 74    #include <dt-bindings/interrupt-controller/irq.h>
 75    #include <dt-bindings/leds/common.h>
 76    i2c {
 77        #address-cells = <1>;
 78        #size-cells = <0>;
 79        adc: adc@10 {
 80            compatible = "rohm,bd79124";
 81            reg = <0x10>;
 82
 83            interrupt-parent = <&gpio1>;
 84            interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 85
 86            vdd-supply = <&dummyreg>;
 87            iovdd-supply = <&dummyreg>;
 88
 89            #address-cells = <1>;
 90            #size-cells = <0>;
 91
 92            channel@0 {
 93                reg = <0>;
 94            };
 95            channel@1 {
 96                reg = <1>;
 97            };
 98            channel@2 {
 99                reg = <2>;
100            };
101            channel@3 {
102                reg = <3>;
103            };
104            channel@4 {
105                reg = <4>;
106            };
107            channel@5 {
108                reg = <5>;
109            };
110            channel@6 {
111                reg = <6>;
112            };
113        };
114    };