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     description: Channel 0 current in uA.
  46     enum:
  47       - 0
  48       - 5
  49       - 15
  50       - 20
  51
  52   ti,channel3-current-microamp:
  53     description: Channel 3 current in uA.
  54     enum:
  55       - 0
  56       - 10
  57       - 400
  58       - 800
  59
  60   ti,enable-extended-delay:
  61     $ref: /schemas/types.yaml#/definitions/flag
  62     description: Enable extended delay.
  63
  64 additionalProperties: false
  65
  66 required:
  67   - compatible
  68   - "#io-channel-cells"
  69
  70 examples:
  71   - |
  72     #include <dt-bindings/clock/mt8183-clk.h>
  73     pmic {
  74         compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
  75         adc {
  76             compatible = "ti,palmas-gpadc";
  77             interrupts = <18 0>,
  78                          <16 0>,
  79                          <17 0>;
  80             #io-channel-cells = <1>;
  81             ti,channel0-current-microamp = <5>;
  82             ti,channel3-current-microamp = <10>;
  83         };
  84     };
  85 ...