0001 # SPDX-License-Identifier: GPL-2.0-only
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Maxim MAX77843 MicroUSB and Companion Power Management IC
0008
0009 maintainers:
0010 - Krzysztof Kozlowski <krzk@kernel.org>
0011
0012 description: |
0013 This is a part of device tree bindings for Maxim MAX77843 MicroUSB
0014 Integrated Circuit (MUIC).
0015
0016 The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
0017 includes voltage current regulators, charger, fuel-gauge, haptic motor driver
0018 and MicroUSB management IC.
0019
0020 properties:
0021 compatible:
0022 const: maxim,max77843
0023
0024 interrupts:
0025 maxItems: 1
0026
0027 reg:
0028 maxItems: 1
0029
0030 extcon:
0031 $ref: /schemas/extcon/maxim,max77843.yaml
0032
0033 motor-driver:
0034 type: object
0035 properties:
0036 compatible:
0037 const: maxim,max77843-haptic
0038
0039 haptic-supply:
0040 description: Power supply to the haptic motor
0041
0042 pwms:
0043 maxItems: 1
0044
0045 required:
0046 - compatible
0047 - haptic-supply
0048 - pwms
0049
0050 regulators:
0051 $ref: /schemas/regulator/maxim,max77843.yaml
0052
0053 required:
0054 - compatible
0055 - interrupts
0056 - reg
0057
0058 additionalProperties: false
0059
0060 examples:
0061 - |
0062 #include <dt-bindings/interrupt-controller/irq.h>
0063
0064 i2c {
0065 #address-cells = <1>;
0066 #size-cells = <0>;
0067
0068 pmic@66 {
0069 compatible = "maxim,max77843";
0070 interrupt-parent = <&gpa1>;
0071 interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
0072 reg = <0x66>;
0073
0074 extcon {
0075 compatible = "maxim,max77843-muic";
0076
0077 connector {
0078 compatible = "samsung,usb-connector-11pin",
0079 "usb-b-connector";
0080 label = "micro-USB";
0081 type = "micro";
0082
0083 ports {
0084 #address-cells = <1>;
0085 #size-cells = <0>;
0086
0087 port@0 {
0088 /*
0089 * TODO: The DTS this is based on does not have
0090 * port@0 which is a required property. The ports
0091 * look incomplete and need fixing.
0092 * Add a disabled port just to satisfy dtschema.
0093 */
0094 reg = <0>;
0095 status = "disabled";
0096 };
0097
0098 port@3 {
0099 reg = <3>;
0100 endpoint {
0101 remote-endpoint = <&mhl_to_musb_con>;
0102 };
0103 };
0104 };
0105 };
0106
0107 ports {
0108 port {
0109 endpoint {
0110 remote-endpoint = <&usb_to_muic>;
0111 };
0112 };
0113 };
0114 };
0115
0116 regulators {
0117 compatible = "maxim,max77843-regulator";
0118
0119 SAFEOUT1 {
0120 regulator-name = "SAFEOUT1";
0121 regulator-min-microvolt = <3300000>;
0122 regulator-max-microvolt = <4950000>;
0123 };
0124
0125 SAFEOUT2 {
0126 regulator-name = "SAFEOUT2";
0127 regulator-min-microvolt = <3300000>;
0128 regulator-max-microvolt = <4950000>;
0129 };
0130
0131 CHARGER {
0132 regulator-name = "CHARGER";
0133 regulator-min-microamp = <100000>;
0134 regulator-max-microamp = <3150000>;
0135 };
0136 };
0137
0138 motor-driver {
0139 compatible = "maxim,max77843-haptic";
0140 haptic-supply = <&ldo38_reg>;
0141 pwms = <&pwm 0 33670 0>;
0142 };
0143 };
0144 };
