charger-manager.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/power/supply/charger-manager.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Charger Manager
    8 
    9 maintainers:
   10   - Sebastian Reichel <sre@kernel.org>
   11 
   12 description: |
   13   Binding for the legacy charger manager driver.
   14   Please do not use for new products.
   15 
   16 properties:
   17   compatible:
   18     const: charger-manager
   19 
   20   cm-chargers:
   21     description: name of chargers
   22     $ref: /schemas/types.yaml#/definitions/string-array
   23 
   24   cm-num-chargers:
   25     $ref: /schemas/types.yaml#/definitions/uint32
   26     deprecated: true
   27 
   28   cm-fuel-gauge:
   29     description: name of battery fuel gauge
   30     $ref: /schemas/types.yaml#/definitions/string
   31 
   32   cm-name:
   33     description: name of the charger manager
   34     default: battery
   35     $ref: /schemas/types.yaml#/definitions/string
   36 
   37   cm-poll-mode:
   38     description: polling mode
   39     $ref: /schemas/types.yaml#/definitions/uint32
   40     default: 0
   41     enum:
   42       - 0 # disabled
   43       - 1 # always
   44       - 2 # when external power is connected
   45       - 3 # when charging
   46 
   47   cm-poll-interval:
   48     description: polling interval (in ms)
   49     $ref: /schemas/types.yaml#/definitions/uint32
   50 
   51   cm-battery-stat:
   52     description: battery status
   53     $ref: /schemas/types.yaml#/definitions/uint32
   54     enum:
   55       - 0 # battery always present
   56       - 1 # no battery
   57       - 2 # check presence via fuel gauge
   58       - 3 # check presence via charger
   59 
   60   cm-fullbatt-vchkdrop-volt:
   61     description: voltage drop before restarting charging in uV
   62     $ref: /schemas/types.yaml#/definitions/uint32
   63 
   64   cm-fullbatt-vchkdrop-ms:
   65     deprecated: true
   66 
   67   cm-fullbatt-voltage:
   68     description: voltage of full battery in uV
   69     $ref: /schemas/types.yaml#/definitions/uint32
   70 
   71   cm-fullbatt-soc:
   72     description: state of charge to consider as full battery in %
   73     $ref: /schemas/types.yaml#/definitions/uint32
   74 
   75   cm-fullbatt-capacity:
   76     description: capcity to consider as full battery in uAh
   77     $ref: /schemas/types.yaml#/definitions/uint32
   78 
   79   cm-thermal-zone:
   80     description: name of external thermometer's thermal zone
   81     $ref: /schemas/types.yaml#/definitions/string
   82 
   83   cm-discharging-max:
   84     description: limits of discharging duration in ms
   85     $ref: /schemas/types.yaml#/definitions/uint32
   86 
   87   cm-charging-max:
   88     description: limits of charging duration in ms
   89     $ref: /schemas/types.yaml#/definitions/uint32
   90 
   91   cm-battery-cold:
   92     description: critical cold temperature of battery for charging in deci-degree celsius
   93     $ref: /schemas/types.yaml#/definitions/uint32
   94 
   95   cm-battery-cold-in-minus:
   96     description: if set cm-battery-cold temperature is in minus degrees
   97     type: boolean
   98 
   99   cm-battery-hot:
  100     description: critical hot temperature of battery for charging in deci-degree celsius
  101     $ref: /schemas/types.yaml#/definitions/uint32
  102 
  103   cm-battery-temp-diff:
  104     description: temperature difference to allow recharging in deci-degree celsius
  105     $ref: /schemas/types.yaml#/definitions/uint32
  106 
  107 patternProperties:
  108   "-supply$":
  109     description: regulator consumer, named according to cm-regulator-name
  110     $ref: /schemas/types.yaml#/definitions/phandle
  111 
  112   "^regulator[@-][0-9]$":
  113     type: object
  114     properties:
  115       cm-regulator-name:
  116         description: name of charger regulator
  117         $ref: /schemas/types.yaml#/definitions/string
  118 
  119     required:
  120       - cm-regulator-name
  121 
  122     additionalProperties: false
  123 
  124     patternProperties:
  125       "^cable[@-][0-9]$":
  126         type: object
  127         properties:
  128           cm-cable-name:
  129             description: name of charger cable
  130             enum:
  131               - USB
  132               - USB-HOST
  133               - SDP
  134               - DCP
  135               - CDP
  136               - ACA
  137               - FAST-CHARGER
  138               - SLOW-CHARGER
  139               - WPT
  140               - PD
  141               - DOCK
  142               - JIG
  143               - MECHANICAL
  144 
  145           cm-cable-extcon:
  146             description: name of extcon dev
  147             $ref: /schemas/types.yaml#/definitions/string
  148 
  149           cm-cable-min:
  150             description: minimum current of cable in uA
  151             $ref: /schemas/types.yaml#/definitions/uint32
  152 
  153           cm-cable-max:
  154             description: maximum current of cable in uA
  155             $ref: /schemas/types.yaml#/definitions/uint32
  156 
  157         required:
  158           - cm-cable-name
  159           - cm-cable-extcon
  160 
  161         additionalProperties: false
  162 
  163 required:
  164   - compatible
  165   - cm-chargers
  166   - cm-fuel-gauge
  167 
  168 additionalProperties: false
  169 
  170 examples:
  171   - |
  172     charger-manager {
  173         compatible = "charger-manager";
  174         chg-reg-supply = <&charger_regulator>;
  175 
  176         cm-name = "battery";
  177         /* Always polling ON : 30s */
  178         cm-poll-mode = <1>;
  179         cm-poll-interval = <30000>;
  180 
  181         cm-fullbatt-vchkdrop-volt = <150000>;
  182         cm-fullbatt-soc = <100>;
  183 
  184         cm-battery-stat = <3>;
  185 
  186         cm-chargers = "charger0", "charger1", "charger2";
  187 
  188         cm-fuel-gauge = "fuelgauge0";
  189 
  190         cm-thermal-zone = "thermal_zone.1";
  191         /* in deci centigrade */
  192         cm-battery-cold = <50>;
  193         cm-battery-cold-in-minus;
  194         cm-battery-hot = <800>;
  195         cm-battery-temp-diff = <100>;
  196 
  197         /* Allow charging for 5hr */
  198         cm-charging-max = <18000000>;
  199         /* Allow discharging for 2hr */
  200         cm-discharging-max = <7200000>;
  201 
  202         regulator-0 {
  203             cm-regulator-name = "chg-reg";
  204             cable-0 {
  205                 cm-cable-name = "USB";
  206                 cm-cable-extcon = "extcon-dev.0";
  207                 cm-cable-min = <475000>;
  208                 cm-cable-max = <500000>;
  209             };
  210             cable-1 {
  211                 cm-cable-name = "SDP";
  212                 cm-cable-extcon = "extcon-dev.0";
  213                 cm-cable-min = <650000>;
  214                 cm-cable-max = <675000>;
  215             };
  216         };
  217     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/supply/charger-manager.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/power/supply/charger-manager.yaml