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dt-bindings: mfd: Add max77759 binding

The Maxim MAX77759 is a companion PMIC for USB Type-C applications and
includes Battery Charger, Fuel Gauge, temperature sensors, USB Type-C
Port Controller (TCPC), NVMEM, and a GPIO expander.

This describes the top-level device.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250325-max77759-mfd-v6-3-c0870ca662ba@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>

authored by

André Draszik and committed by
Lee Jones 81fec13b ee71546b

+99
+99
Documentation/devicetree/bindings/mfd/maxim,max77759.yaml
··· 1 + # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/mfd/maxim,max77759.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Maxim Integrated MAX77759 PMIC for USB Type-C applications 8 + 9 + maintainers: 10 + - André Draszik <andre.draszik@linaro.org> 11 + 12 + description: | 13 + This is a part of device tree bindings for the MAX77759 companion Power 14 + Management IC for USB Type-C applications. 15 + 16 + The MAX77759 includes Battery Charger, Fuel Gauge, temperature sensors, USB 17 + Type-C Port Controller (TCPC), NVMEM, and a GPIO expander. 18 + 19 + properties: 20 + compatible: 21 + const: maxim,max77759 22 + 23 + interrupts: 24 + maxItems: 1 25 + 26 + interrupt-controller: true 27 + 28 + "#interrupt-cells": 29 + const: 2 30 + 31 + reg: 32 + maxItems: 1 33 + 34 + gpio: 35 + $ref: /schemas/gpio/maxim,max77759-gpio.yaml 36 + 37 + nvmem-0: 38 + $ref: /schemas/nvmem/maxim,max77759-nvmem.yaml 39 + 40 + required: 41 + - compatible 42 + - interrupts 43 + - reg 44 + 45 + additionalProperties: false 46 + 47 + examples: 48 + - | 49 + #include <dt-bindings/interrupt-controller/irq.h> 50 + 51 + i2c { 52 + #address-cells = <1>; 53 + #size-cells = <0>; 54 + 55 + pmic@66 { 56 + compatible = "maxim,max77759"; 57 + reg = <0x66>; 58 + interrupts-extended = <&gpa8 3 IRQ_TYPE_LEVEL_LOW>; 59 + 60 + interrupt-controller; 61 + #interrupt-cells = <2>; 62 + 63 + gpio { 64 + compatible = "maxim,max77759-gpio"; 65 + 66 + gpio-controller; 67 + #gpio-cells = <2>; 68 + 69 + interrupt-controller; 70 + #interrupt-cells = <2>; 71 + }; 72 + 73 + nvmem-0 { 74 + compatible = "maxim,max77759-nvmem"; 75 + 76 + nvmem-layout { 77 + compatible = "fixed-layout"; 78 + #address-cells = <1>; 79 + #size-cells = <1>; 80 + 81 + reboot-mode@0 { 82 + reg = <0x0 0x4>; 83 + }; 84 + 85 + boot-reason@4 { 86 + reg = <0x4 0x4>; 87 + }; 88 + 89 + shutdown-user-flag@8 { 90 + reg = <0x8 0x1>; 91 + }; 92 + 93 + rsoc@10 { 94 + reg = <0xa 0x2>; 95 + }; 96 + }; 97 + }; 98 + }; 99 + };