Documentation/devicetree/bindings/power/supply/qcom,pm8941-coincell.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8941-coincell.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Coincell Charger
   8
   9 description: |
  10   The hardware block controls charging for a coincell or capacitor that is
  11   used to provide power backup for certain features of the power management
  12   IC (PMIC)
  13
  14 maintainers:
  15   - Sebastian Reichel <sre@kernel.org>
  16
  17 properties:
  18   compatible:
  19     oneOf:
  20       - items:
  21           - enum:
  22               - qcom,pm8998-coincell
  23           - const: qcom,pm8941-coincell
  24
  25       - const: qcom,pm8941-coincell
  26
  27   reg:
  28     maxItems: 1
  29
  30   qcom,rset-ohms:
  31     description: |
  32       Resistance (in ohms) for current-limiting resistor. If unspecified,
  33       inherit the previous configuration (e.g. from bootloader or hardware
  34       default value).
  35     enum: [ 800, 1200, 1700, 2100 ]
  36
  37   qcom,vset-millivolts:
  38     $ref: /schemas/types.yaml#/definitions/uint32
  39     description: |
  40       Voltage (in millivolts) to apply for charging. If unspecified, inherit
  41       the previous configuration (e.g. from bootloader or hardware default
  42       value).
  43     enum: [ 2500, 3000, 3100, 3200 ]
  44
  45   qcom,charger-disable:
  46     type: boolean
  47     description: defining this property disables charging
  48
  49 required:
  50   - compatible
  51   - reg
  52
  53 additionalProperties: false
  54
  55 examples:
  56   - |
  57     pmic {
  58       #address-cells = <1>;
  59       #size-cells = <0>;
  60
  61       charger@2800 {
  62         compatible = "qcom,pm8941-coincell";
  63         reg = <0x2800>;
  64         qcom,rset-ohms = <2100>;
  65         qcom,vset-millivolts = <3000>;
  66       };
  67     };