# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id:
http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Maxim MAX77843 MicroUSB and Companion Power Management IC
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
description: |
This is a part of device tree bindings for Maxim MAX77843 MicroUSB
Integrated Circuit (MUIC).
The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
includes voltage current regulators, charger, fuel-gauge, haptic motor driver
and MicroUSB management IC.
properties:
compatible:
const: maxim,max77843
interrupts:
maxItems: 1
reg:
maxItems: 1
extcon:
$ref: /schemas/extcon/maxim,max77843.yaml
motor-driver:
type: object
additionalProperties: false
properties:
compatible:
const: maxim,max77843-haptic
haptic-supply:
description: Power supply to the haptic motor
pwms:
maxItems: 1
required:
- compatible
- haptic-supply
- pwms
regulators:
$ref: /schemas/regulator/maxim,max77843.yaml
required:
- compatible
- interrupts
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@66 {
compatible = "maxim,max77843";
interrupt-parent = <&gpa1>;
interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
reg = <0x66>;
extcon {
compatible = "maxim,max77843-muic";
connector {
compatible = "samsung,usb-connector-11pin",
"usb-b-connector";
label = "micro-USB";
type = "micro";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
/*
* TODO: The DTS this is based on does not have
* port@0 which is a required property. The ports
* look incomplete and need fixing.
* Add a disabled port just to satisfy dtschema.
*/
reg = <0>;
status = "disabled";
};
port@3 {
reg = <3>;
endpoint {
remote-endpoint = <&mhl_to_musb_con>;
};
};
};
};
ports {
port {
endpoint {
remote-endpoint = <&usb_to_muic>;
};
};
};
};
regulators {
compatible = "maxim,max77843-regulator";
SAFEOUT1 {
regulator-name = "SAFEOUT1";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <4950000>;
};
SAFEOUT2 {
regulator-name = "SAFEOUT2";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <4950000>;
};
CHARGER {
regulator-name = "CHARGER";
regulator-min-microamp = <100000>;
regulator-max-microamp = <3150000>;
};
};
motor-driver {
compatible = "maxim,max77843-haptic";
haptic-supply = <&ldo38_reg>;
pwms = <&pwm 0 33670 0>;
};
};
};
