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