1# SPDX-License-Identifier: GPL-2.0
  2# Copyright (C) 2021 Sebastian Reichel
  3%YAML 1.2
  4---
  5$id: "http://devicetree.org/schemas/power/supply/cpcap-charger.yaml#"
  6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
  7
  8title: Motorola CPCAP PMIC charger
  9
 10maintainers:
 11  - Tony Lindgren <tony@atomide.com>
 12  - Sebastian Reichel <sre@kernel.org>
 13
 14description: |
 15  Motorola CPCAP is a PMIC found in some mobile phones, e.g.
 16  the Droid 4. This binding describes its battery charger
 17  sub-function.
 18
 19allOf:
 20  - $ref: power-supply.yaml#
 21
 22properties:
 23  compatible:
 24    const: motorola,mapphone-cpcap-charger
 25
 26  interrupts:
 27    items:
 28      - description: charger detection interrupt
 29      - description: reverse charge interrupt
 30      - description: SE1 charger detection interrupt
 31      - description: SE0 charger detection interrupt
 32      - description: reverse mode interrupt
 33      - description: charge current 2 interrupt
 34      - description: charge current 1 interrupt
 35      - description: VBUS valid interrupt
 36      - description: battery detect interrupt
 37
 38  interrupt-names:
 39    items:
 40      - const: chrg_det
 41      - const: rvrs_chrg
 42      - const: chrg_se1b
 43      - const: se0conn
 44      - const: rvrs_mode
 45      - const: chrgcurr2
 46      - const: chrgcurr1
 47      - const: vbusvld
 48      - const: battdetb
 49
 50  io-channels:
 51    items:
 52      - description: battery temperature
 53      - description: battery voltage
 54      - description: VBUS voltage
 55      - description: battery charge current
 56      - description: battery current
 57
 58  io-channel-names:
 59    items:
 60      - const: battdetb
 61      - const: battp
 62      - const: vbus
 63      - const: chg_isense
 64      - const: batti
 65
 66  mode-gpios:
 67    description: |
 68      Optionally CPCAP charger can have a companion wireless
 69      charge controller that is controlled with two GPIOs
 70      that are active low.
 71    minItems: 2
 72    maxItems: 2
 73
 74required:
 75  - compatible
 76  - interrupts
 77  - interrupt-names
 78  - io-channels
 79  - io-channel-names
 80
 81additionalProperties: false
 82
 83examples:
 84  - |
 85    #include <dt-bindings/gpio/gpio.h>
 86    cpcap {
 87      charger {
 88        compatible = "motorola,mapphone-cpcap-charger";
 89        interrupts-extended =
 90                <&cpcap 13 0>, <&cpcap 12 0>, <&cpcap 29 0>, <&cpcap 28 0>,
 91                <&cpcap 22 0>, <&cpcap 21 0>, <&cpcap 20 0>, <&cpcap 19 0>,
 92                <&cpcap 54 0>;
 93        interrupt-names =
 94                "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn",
 95                "rvrs_mode", "chrgcurr2", "chrgcurr1", "vbusvld",
 96                "battdetb";
 97        mode-gpios = <&gpio3 29 GPIO_ACTIVE_LOW>,
 98                     <&gpio3 23 GPIO_ACTIVE_LOW>;
 99        io-channels = <&cpcap_adc 0>, <&cpcap_adc 1>,
100                      <&cpcap_adc 2>, <&cpcap_adc 5>,
101                      <&cpcap_adc 6>;
102        io-channel-names = "battdetb", "battp",
103                           "vbus", "chg_isense",
104                           "batti";
105      };
106    };