# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/embedded-controller/microsoft,surface-rt-ec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microsoft Surface RT fuel gauge and charger EC

maintainers:
  - Jonas Schwöbel <jonasschwoebel@yahoo.de>
  - Svyatoslav Ryhel <clamor95@gmail.com>

description:
  An Embedded Controller used in Microsoft Surface RT for monitoring
  battery properties and charger status.

allOf:
  - $ref: /schemas/power/supply/power-supply.yaml#

properties:
  compatible:
    const: microsoft,surface-rt-ec

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  enable-gpios:
    maxItems: 1

  monitored-battery: true

required:
  - compatible
  - reg
  - interrupts
  - enable-gpios

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
 
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;
 
        embedded-controller@a {
            compatible = "microsoft,surface-rt-ec";
            reg = <0x0a>;
 
            interrupt-parent = <&gpio>;
            interrupts = <74 IRQ_TYPE_EDGE_RISING>;
 
            enable-gpios = <&gpio 88 GPIO_ACTIVE_HIGH>;
            monitored-battery = <&battery>;
        };
    };
...