1*13af134bSChiaEn Wu# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*13af134bSChiaEn Wu%YAML 1.2
3*13af134bSChiaEn Wu---
4*13af134bSChiaEn Wu$id: http://devicetree.org/schemas/power/supply/richtek,rt9467.yaml#
5*13af134bSChiaEn Wu$schema: http://devicetree.org/meta-schemas/core.yaml#
6*13af134bSChiaEn Wu
7*13af134bSChiaEn Wutitle: Richtek RT9467 Switching Battery Charger with Power Path Management
8*13af134bSChiaEn Wu
9*13af134bSChiaEn Wumaintainers:
10*13af134bSChiaEn Wu  - ChiYuan Huang <cy_huang@richtek.com>
11*13af134bSChiaEn Wu  - ChiaEn Wu <chiaen_wu@richtek.com>
12*13af134bSChiaEn Wu
13*13af134bSChiaEn Wudescription: |
14*13af134bSChiaEn Wu  RT9467 is a switch-mode single cell Li-Ion/Li-Polymer battery charger for
15*13af134bSChiaEn Wu  portable applications. It integrates a synchronous PWM controller, power
16*13af134bSChiaEn Wu  MOSFETs, input current sensing and regulation, high-accuracy voltage
17*13af134bSChiaEn Wu  regulation, and charge termination. The charge current is regulated through
18*13af134bSChiaEn Wu  integrated sensing resistors.
19*13af134bSChiaEn Wu
20*13af134bSChiaEn Wu  The RT9467 also features USB On-The-Go (OTG) support. It also integrates
21*13af134bSChiaEn Wu  D+/D- pin for USB host/charging port detection.
22*13af134bSChiaEn Wu
23*13af134bSChiaEn Wu  Datasheet is available at
24*13af134bSChiaEn Wu  https://www.richtek.com/assets/product_file/RT9467/DS9467-01.pdf
25*13af134bSChiaEn Wu
26*13af134bSChiaEn Wuproperties:
27*13af134bSChiaEn Wu  compatible:
28*13af134bSChiaEn Wu    const: richtek,rt9467
29*13af134bSChiaEn Wu
30*13af134bSChiaEn Wu  reg:
31*13af134bSChiaEn Wu    maxItems: 1
32*13af134bSChiaEn Wu
33*13af134bSChiaEn Wu  wakeup-source: true
34*13af134bSChiaEn Wu
35*13af134bSChiaEn Wu  interrupts:
36*13af134bSChiaEn Wu    maxItems: 1
37*13af134bSChiaEn Wu
38*13af134bSChiaEn Wu  charge-enable-gpios:
39*13af134bSChiaEn Wu    description: GPIO is used to turn on and off charging.
40*13af134bSChiaEn Wu    maxItems: 1
41*13af134bSChiaEn Wu
42*13af134bSChiaEn Wu  usb-otg-vbus-regulator:
43*13af134bSChiaEn Wu    type: object
44*13af134bSChiaEn Wu    description: OTG boost regulator.
45*13af134bSChiaEn Wu    unevaluatedProperties: false
46*13af134bSChiaEn Wu    $ref: /schemas/regulator/regulator.yaml#
47*13af134bSChiaEn Wu
48*13af134bSChiaEn Wu    properties:
49*13af134bSChiaEn Wu      enable-gpios: true
50*13af134bSChiaEn Wu
51*13af134bSChiaEn Wurequired:
52*13af134bSChiaEn Wu  - compatible
53*13af134bSChiaEn Wu  - reg
54*13af134bSChiaEn Wu  - wakeup-source
55*13af134bSChiaEn Wu  - interrupts
56*13af134bSChiaEn Wu
57*13af134bSChiaEn WuadditionalProperties: false
58*13af134bSChiaEn Wu
59*13af134bSChiaEn Wuexamples:
60*13af134bSChiaEn Wu  - |
61*13af134bSChiaEn Wu    #include <dt-bindings/interrupt-controller/irq.h>
62*13af134bSChiaEn Wu    #include <dt-bindings/gpio/gpio.h>
63*13af134bSChiaEn Wu    i2c {
64*13af134bSChiaEn Wu      #address-cells = <1>;
65*13af134bSChiaEn Wu      #size-cells = <0>;
66*13af134bSChiaEn Wu
67*13af134bSChiaEn Wu      charger@5b {
68*13af134bSChiaEn Wu        compatible = "richtek,rt9467";
69*13af134bSChiaEn Wu        reg = <0x5b>;
70*13af134bSChiaEn Wu        wakeup-source;
71*13af134bSChiaEn Wu        interrupts-extended = <&gpio_intc 32 IRQ_TYPE_LEVEL_LOW>;
72*13af134bSChiaEn Wu        charge-enable-gpios = <&gpio26 1 GPIO_ACTIVE_LOW>;
73*13af134bSChiaEn Wu
74*13af134bSChiaEn Wu        rt9467_otg_vbus: usb-otg-vbus-regulator {
75*13af134bSChiaEn Wu          regulator-name = "rt9467-usb-otg-vbus";
76*13af134bSChiaEn Wu          regulator-min-microvolt = <4425000>;
77*13af134bSChiaEn Wu          regulator-max-microvolt = <5825000>;
78*13af134bSChiaEn Wu          regulator-min-microamp = <500000>;
79*13af134bSChiaEn Wu          regulator-max-microamp = <3000000>;
80*13af134bSChiaEn Wu        };
81*13af134bSChiaEn Wu      };
82*13af134bSChiaEn Wu    };
83