ti,lp8727.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/ti,lp8727.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Binding for TI/National Semiconductor LP8727 Charger
    8 
    9 maintainers:
   10   - Sebastian Reichel <sre@kernel.org>
   11 
   12 allOf:
   13   - $ref: power-supply.yaml#
   14 
   15 properties:
   16   compatible:
   17     const: ti,lp8727
   18 
   19   reg:
   20     const: 0x27
   21 
   22   interrupts:
   23     maxItems: 1
   24 
   25   debounce-ms:
   26     description: interrupt debounce time in ms
   27 
   28 patternProperties:
   29   '^(ac|usb)$':
   30     type: object
   31     description: USB/AC charging parameters
   32     properties:
   33       charger-type:
   34         enum:
   35           - ac
   36           - usb
   37 
   38       eoc-level:
   39         $ref: /schemas/types.yaml#/definitions/uint8
   40         minimum: 0
   41         maximum: 6
   42         description: |
   43           End of Charge Percentage with the following mapping:
   44           0 = 5%, 1 = 10%, 2 = 16%, 3 = 20%, 4 = 25%, 5 = 33%, 6 = 50%
   45 
   46       charging-current:
   47         $ref: /schemas/types.yaml#/definitions/uint8
   48         minimum: 0
   49         maximum: 9
   50         description: |
   51           Charging current with the following mapping:
   52           0 = 90mA, 1 = 100mA, 2 = 400mA, 3 = 450mA, 4 = 500mA, 5 = 600mA,
   53           6 = 700mA, 7 = 800mA, 8 = 900mA, 9 = 1000mA
   54 
   55 required:
   56   - compatible
   57   - reg
   58 
   59 additionalProperties: false
   60 
   61 examples:
   62   - |
   63     #include <dt-bindings/interrupt-controller/irq.h>
   64     i2c0 {
   65       #address-cells = <1>;
   66       #size-cells = <0>;
   67 
   68       lp8727: charger@27 {
   69         compatible = "ti,lp8727";
   70         reg = <0x27>;
   71         interrupt-parent = <&gpio5>;
   72         interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
   73         debounce-ms = <300>;
   74 
   75         /* AC charger: 5% EOC and 500mA charging current */
   76         ac {
   77           charger-type = "ac";
   78           eoc-level = /bits/ 8 <0>;
   79           charging-current = /bits/ 8 <4>;
   80         };
   81 
   82         /* USB charger: 10% EOC and 400mA charging current */
   83         usb {
   84           charger-type = "usb";
   85           eoc-level = /bits/ 8 <1>;
   86           charging-current = /bits/ 8 <2>;
   87         };
   88       };
   89     };

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sys/contrib/device-tree/Bindings/power/supply/ti,lp8727.yaml