Documentation/devicetree/bindings/iio/adc/ti,palmas-gpadc.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/ti,palmas-gpadc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Palmas general purpose ADC IP block devicetree bindings
   8
   9 maintainers:
  10   - Tony Lindgren <tony@atomide.com>
  11
  12 description: |
  13   This ADC is often used to provide channels via the io-channels
  14   consumer framework.
  15   Channels list:
  16     0 battery type
  17     1 battery temp NTC (optional current source)
  18     2 GP
  19     3 temp (with ext. diode, optional current source)
  20     4 GP
  21     5 GP
  22     6 VBAT_SENSE
  23     7 VCC_SENSE
  24     8 Backup Battery voltage
  25     9 external charger (VCHG)
  26     10 VBUS
  27     11 DC-DC current probe (how does this work?)
  28     12 internal die temp
  29     13 internal die temp
  30     14 USB ID pin voltage
  31     15 test network
  32
  33 properties:
  34   compatible:
  35     const: ti,palmas-gpadc
  36
  37   interrupts:
  38     minItems: 1
  39     maxItems: 3
  40
  41   "#io-channel-cells":
  42     const: 1
  43
  44   ti,channel0-current-microamp:
  45     $ref: /schemas/types.yaml#/definitions/uint32
  46     description: Channel 0 current in uA.
  47     enum:
  48       - 0
  49       - 5
  50       - 15
  51       - 20
  52
  53   ti,channel3-current-microamp:
  54     $ref: /schemas/types.yaml#/definitions/uint32
  55     description: Channel 3 current in uA.
  56     enum:
  57       - 0
  58       - 10
  59       - 400
  60       - 800
  61
  62   ti,enable-extended-delay:
  63     $ref: /schemas/types.yaml#/definitions/flag
  64     description: Enable extended delay.
  65
  66 additionalProperties: false
  67
  68 required:
  69   - compatible
  70   - "#io-channel-cells"
  71
  72 examples:
  73   - |
  74     #include <dt-bindings/clock/mt8183-clk.h>
  75     pmic {
  76         compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
  77         adc {
  78             compatible = "ti,palmas-gpadc";
  79             interrupts = <18 0
  80                           16 0
  81                           17 0>;
  82             #io-channel-cells = <1>;
  83             ti,channel0-current-microamp = <5>;
  84             ti,channel3-current-microamp = <10>;
  85         };
  86     };
  87 ...