Documentation/devicetree/bindings/power/supply/richtek,rt9471.yaml

   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/richtek,rt9471.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Richtek RT9471 3A Single Cell Switching Battery charger
   8
   9 maintainers:
  10   - Alina Yu <alina_yu@richtek.com>
  11   - ChiYuan Huang <cy_huang@richtek.com>
  12
  13 description: |
  14   RT9471 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
  15   portable applications. It supports USB BC1.2 port detection, current and
  16   voltage regulations in both charging and boost mode.
  17
  18   Datasheet is available at
  19   https://www.richtek.com/assets/product_file/RT9471=RT9471D/DS9471D-02.pdf
  20
  21 properties:
  22   compatible:
  23     const: richtek,rt9471
  24
  25   reg:
  26     maxItems: 1
  27
  28   charge-enable-gpios:
  29     description: GPIO used to turn on and off charging.
  30     maxItems: 1
  31
  32   wakeup-source: true
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   usb-otg-vbus-regulator:
  38     type: object
  39     $ref: /schemas/regulator/regulator.yaml#
  40     unevaluatedProperties: false
  41
  42 required:
  43   - compatible
  44   - reg
  45   - wakeup-source
  46   - interrupts
  47
  48 additionalProperties: false
  49
  50 examples:
  51   - |
  52     #include <dt-bindings/interrupt-controller/irq.h>
  53     #include <dt-bindings/gpio/gpio.h>
  54     i2c {
  55       #address-cells = <1>;
  56       #size-cells = <0>;
  57
  58       charger@53 {
  59         compatible = "richtek,rt9471";
  60         reg = <0x53>;
  61         charge-enable-gpios = <&gpio26 1 GPIO_ACTIVE_LOW>;
  62         wakeup-source;
  63         interrupts-extended = <&gpio_intc 32 IRQ_TYPE_EDGE_FALLING>;
  64
  65         usb-otg-vbus-regulator {
  66           regulator-name = "usb-otg-vbus";
  67           regulator-min-microvolt = <4850000>;
  68           regulator-max-microvolt = <5300000>;
  69           regulator-min-microamp = <500000>;
  70           regulator-max-microamp = <1200000>;
  71         };
  72       };
  73     };