qcom,pm8941-charger.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/qcom,pm8941-charger.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm Switch-Mode Battery Charger and Boost
    8 
    9 maintainers:
   10   - Sebastian Reichel <sre@kernel.org>
   11 
   12 properties:
   13   compatible:
   14     enum:
   15       - qcom,pm8226-charger
   16       - qcom,pm8941-charger
   17 
   18   reg:
   19     maxItems: 1
   20 
   21   interrupts:
   22     items:
   23       - description: charge done
   24       - description: charge fast mode
   25       - description: charge trickle mode
   26       - description: battery temperature ok
   27       - description: battery present
   28       - description: charger disconnected
   29       - description: USB-in valid
   30       - description: DC-in valid
   31 
   32   interrupt-names:
   33     items:
   34       - const: chg-done
   35       - const: chg-fast
   36       - const: chg-trkl
   37       - const: bat-temp-ok
   38       - const: bat-present
   39       - const: chg-gone
   40       - const: usb-valid
   41       - const: dc-valid
   42 
   43   qcom,fast-charge-current-limit:
   44     $ref: /schemas/types.yaml#/definitions/uint32
   45     minimum: 100000
   46     maximum: 3000000
   47     description: Maximum charge current in uA; May be clamped to safety limits; Defaults to 1A
   48 
   49   qcom,fast-charge-low-threshold-voltage:
   50     $ref: /schemas/types.yaml#/definitions/uint32
   51     minimum: 2100000
   52     maximum: 3600000
   53     description: |
   54       Battery voltage limit in uV above which fast charging may operate; Defaults to 3.2V
   55       Below this value linear or switch-mode auto-trickle-charging will operate.
   56 
   57   qcom,fast-charge-high-threshold-voltage:
   58     $ref: /schemas/types.yaml#/definitions/uint32
   59     minimum: 3240000
   60     maximum: 5000000
   61     description: |
   62       Battery voltage limit in uV below which fast charging may operate; Defaults to 4.2V
   63       The fast charger will attempt to charge the battery to this voltage.
   64       May be clamped to safety limits.
   65 
   66   qcom,fast-charge-safe-voltage:
   67     $ref: /schemas/types.yaml#/definitions/uint32
   68     minimum: 3240000
   69     maximum: 5000000
   70     description: |
   71       Maximum safe battery voltage in uV; May be pre-set by bootloader, in which case,
   72       setting this will harmlessly fail. The property 'fast-charge-high-watermark' will
   73       be clamped by this value. Defaults to 4.2V.
   74 
   75   qcom,fast-charge-safe-current:
   76     $ref: /schemas/types.yaml#/definitions/uint32
   77     minimum: 100000
   78     maximum: 3000000
   79     description: |
   80       Maximum safe battery charge current in uA; May pre-set by bootloader, in which case,
   81       setting this will harmlessly fail. The property 'qcom,fast-charge-current-limit'
   82       will be clamped by this value. Defaults to 1A.
   83 
   84   qcom,auto-recharge-threshold-voltage:
   85     $ref: /schemas/types.yaml#/definitions/uint32
   86     minimum: 3240000
   87     maximum: 5000000
   88     description: |
   89       Battery voltage limit in uV below which auto-recharge functionality will restart charging
   90       after end-of-charge; The high cutoff limit for auto-recharge is 5% above this value.
   91       Defaults to 4.1V.
   92 
   93   qcom,minimum-input-voltage:
   94     $ref: /schemas/types.yaml#/definitions/uint32
   95     minimum: 4200000
   96     maximum: 9600000
   97     description: |
   98       Input voltage level in uV above which charging may operate. Defaults to 4.3V.
   99 
  100   qcom,dc-current-limit:
  101     $ref: /schemas/types.yaml#/definitions/uint32
  102     minimum: 100000
  103     maximum: 2500000
  104     description: |
  105       Default DC charge current limit in uA. Defaults to 100mA.
  106 
  107   qcom,disable-dc:
  108     type: boolean
  109     description: Disable DC charger
  110 
  111   qcom,jeita-extended-temp-range:
  112     type: boolean
  113     description: |
  114       Enable JEITA extended temperature range;  This does *not* adjust the maximum charge
  115       voltage or current in the extended temperature range. It only allows charging when
  116       the battery is in the extended temperature range. Voltage/current regulation must
  117       be done externally to fully comply with the JEITA safety guidelines if this flag
  118       is set.
  119 
  120   usb-charge-current-limit:
  121     $ref: /schemas/types.yaml#/definitions/uint32
  122     minimum: 100000
  123     maximum: 2500000
  124     description: |
  125       Default USB charge current limit in uA.
  126 
  127   usb-otg-in-supply:
  128     description: Reference to the regulator supplying power to the USB_OTG_IN pin.
  129 
  130   otg-vbus:
  131     $ref: /schemas/regulator/regulator.yaml#
  132     description: |
  133       This node defines a regulator used to control the direction of VBUS voltage.
  134       Specifically whether to supply voltage to VBUS for host mode operation of the OTG port,
  135       or allow input voltage from external VBUS for charging. In the hardware, the supply for
  136       this regulator comes from usb_otg_in-supply.
  137 
  138 required:
  139   - compatible
  140   - reg
  141   - interrupts
  142   - interrupt-names
  143 
  144 additionalProperties: false
  145 
  146 examples:
  147   - |
  148     #include <dt-bindings/interrupt-controller/irq.h>
  149     pmic {
  150       #address-cells = <1>;
  151       #size-cells = <0>;
  152 
  153       charger@1000 {
  154         compatible = "qcom,pm8941-charger";
  155         reg = <0x1000>;
  156         interrupts = <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>,
  157                      <0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>,
  158                      <0x0 0x10 4 IRQ_TYPE_EDGE_BOTH>,
  159                      <0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>,
  160                      <0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>,
  161                      <0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>,
  162                      <0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>,
  163                      <0x0 0x14 1 IRQ_TYPE_EDGE_BOTH>;
  164         interrupt-names = "chg-done",
  165                           "chg-fast",
  166                           "chg-trkl",
  167                           "bat-temp-ok",
  168                           "bat-present",
  169                           "chg-gone",
  170                           "usb-valid",
  171                           "dc-valid";
  172         qcom,fast-charge-current-limit = <1000000>;
  173         qcom,dc-current-limit = <1000000>;
  174         usb-otg-in-supply = <&pm8941_5vs1>;
  175 
  176         otg-vbus {};
  177       };
  178     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/power/supply/qcom,pm8941-charger.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/power/supply/qcom,pm8941-charger.yaml