summit,smb347-charger.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/power/supply/summit,smb347-charger.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Battery charger driver for SMB345, SMB347 and SMB358
    8 
    9 maintainers:
   10   - David Heidelberg <david@ixit.cz>
   11   - Dmitry Osipenko <digetx@gmail.com>
   12 
   13 properties:
   14   compatible:
   15     enum:
   16       - summit,smb345
   17       - summit,smb347
   18       - summit,smb358
   19 
   20   reg:
   21     maxItems: 1
   22 
   23   interrupts:
   24     maxItems: 1
   25 
   26   monitored-battery:
   27     description: phandle to the battery node
   28     $ref: /schemas/types.yaml#/definitions/phandle
   29 
   30   summit,enable-usb-charging:
   31     type: boolean
   32     description: Enable charging through USB.
   33 
   34   summit,enable-otg-charging:
   35     type: boolean
   36     description: Provide power for USB OTG
   37 
   38   summit,enable-mains-charging:
   39     type: boolean
   40     description: Enable charging through mains
   41 
   42   summit,enable-charge-control:
   43     description: Enable charging control
   44     $ref: /schemas/types.yaml#/definitions/uint32
   45     enum:
   46       - 0 # SMB3XX_CHG_ENABLE_SW SW (I2C interface)
   47       - 1 # SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW Pin control (Active Low)
   48       - 2 # SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH Pin control (Active High)
   49 
   50   summit,fast-voltage-threshold-microvolt:
   51     description: Voltage threshold to transit to fast charge mode (in uV)
   52     minimum: 2400000
   53     maximum: 3000000
   54 
   55   summit,mains-current-limit-microamp:
   56     description: Maximum input current from AC/DC input (in uA)
   57 
   58   summit,usb-current-limit-microamp:
   59     description: Maximum input current from USB input (in uA)
   60 
   61   summit,charge-current-compensation-microamp:
   62     description: Charge current compensation (in uA)
   63 
   64   summit,chip-temperature-threshold-celsius:
   65     description: Chip temperature for thermal regulation in °C.
   66     enum: [100, 110, 120, 130]
   67 
   68   summit,soft-compensation-method:
   69     description: Soft temperature limit compensation method
   70     $ref: /schemas/types.yaml#/definitions/uint32
   71     enum:
   72       - 0 # SMB3XX_SOFT_TEMP_COMPENSATE_NONE Compensation none
   73       - 1 # SMB3XX_SOFT_TEMP_COMPENSATE_CURRENT Current compensation
   74       - 2 # SMB3XX_SOFT_TEMP_COMPENSATE_VOLTAGE Voltage compensation
   75 
   76   summit,inok-polarity:
   77     description: |
   78       Polarity of INOK signal indicating presence of external power supply.
   79     $ref: /schemas/types.yaml#/definitions/uint32
   80     enum:
   81       - 0 # SMB3XX_SYSOK_INOK_ACTIVE_LOW
   82       - 1 # SMB3XX_SYSOK_INOK_ACTIVE_HIGH
   83 
   84   usb-vbus:
   85     $ref: /schemas/regulator/regulator.yaml#
   86     type: object
   87 
   88     properties:
   89       summit,needs-inok-toggle:
   90         type: boolean
   91         description: INOK signal is fixed and polarity needs to be toggled
   92                      in order to enable/disable output mode.
   93 
   94     unevaluatedProperties: false
   95 
   96 allOf:
   97   - if:
   98       properties:
   99         compatible:
  100           enum:
  101             - summit,smb345
  102             - summit,smb358
  103 
  104     then:
  105       properties:
  106         summit,mains-current-limit-microamp:
  107           enum: [ 300000, 500000, 700000, 1000000,
  108                   1500000, 1800000, 2000000]
  109 
  110         summit,usb-current-limit-microamp:
  111           enum: [ 300000, 500000, 700000, 1000000,
  112                   1500000, 1800000, 2000000]
  113 
  114         summit,charge-current-compensation-microamp:
  115           enum: [200000, 450000, 600000, 900000]
  116 
  117     else:
  118       properties:
  119         summit,mains-current-limit-microamp:
  120           enum: [ 300000, 500000, 700000, 900000, 1200000,
  121                   1500000, 1800000, 2000000, 2200000, 2500000]
  122 
  123         summit,usb-current-limit-microamp:
  124           enum: [ 300000, 500000, 700000, 900000, 1200000,
  125                   1500000, 1800000, 2000000, 2200000, 2500000]
  126 
  127         summit,charge-current-compensation-microamp:
  128           enum: [250000, 700000, 900000, 1200000]
  129 
  130 required:
  131   - compatible
  132   - reg
  133 
  134 anyOf:
  135   - required:
  136       - summit,enable-usb-charging
  137   - required:
  138       - summit,enable-otg-charging
  139   - required:
  140       - summit,enable-mains-charging
  141 
  142 additionalProperties: false
  143 
  144 examples:
  145   - |
  146     #include <dt-bindings/power/summit,smb347-charger.h>
  147 
  148     i2c {
  149         #address-cells = <1>;
  150         #size-cells = <0>;
  151 
  152         charger@7f {
  153             compatible = "summit,smb347";
  154             reg = <0x7f>;
  155 
  156             summit,enable-charge-control = <SMB3XX_CHG_ENABLE_PIN_ACTIVE_HIGH>;
  157             summit,inok-polarity = <SMB3XX_SYSOK_INOK_ACTIVE_LOW>;
  158             summit,chip-temperature-threshold-celsius = <110>;
  159             summit,mains-current-limit-microamp = <2000000>;
  160             summit,usb-current-limit-microamp = <500000>;
  161             summit,enable-usb-charging;
  162             summit,enable-mains-charging;
  163 
  164             monitored-battery = <&battery>;
  165 
  166             usb-vbus {
  167                 regulator-name = "usb_vbus";
  168                 regulator-min-microvolt = <5000000>;
  169                 regulator-max-microvolt = <5000000>;
  170                 regulator-min-microamp = <750000>;
  171                 regulator-max-microamp = <750000>;
  172                 summit,needs-inok-toggle;
  173             };
  174         };
  175     };
  176 
  177     battery: battery-cell {
  178         compatible = "simple-battery";
  179         constant-charge-current-max-microamp = <1800000>;
  180         operating-range-celsius = <0 45>;
  181         alert-celsius = <3 42>;
  182     };

Cache object: 7065c64afa4245e7cee534a9cfaa42ac

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/supply/summit,smb347-charger.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/power/supply/summit,smb347-charger.yaml