Commit ed6e9aa8 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Lee Jones

dt-bindings: mfd: maxim,max14577: Convert to dtschema

Convert the MFD part of Maxim MAX14577/MAX77836 MUIC to DT schema
format.  The example DTS was copied from existing DTS
(exynos3250-rinato.dts), so keep the license as GPL-2.0-only.
Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220215074759.29402-4-krzysztof.kozlowski@canonical.com
parent e1cd4265
Maxim MAX14577/77836 Multi-Function Device
MAX14577 is a Multi-Function Device with Micro-USB Interface Circuit, Li+
Battery Charger and SFOUT LDO output for powering USB devices. It is
interfaced to host controller using I2C.
MAX77836 additionally contains PMIC (with two LDO regulators) and Fuel Gauge.
For the description of Fuel Gauge low SOC alert interrupt see:
../power/supply/max17040_battery.txt
Required properties:
- compatible : Must be "maxim,max14577" or "maxim,max77836".
- reg : I2C slave address for the max14577 chip (0x25 for max14577/max77836)
- interrupts : IRQ line for the chip.
Required nodes:
- charger :
Node for configuring the charger driver.
Required properties:
- compatible : "maxim,max14577-charger"
or "maxim,max77836-charger"
- maxim,fast-charge-uamp : Current in uA for Fast Charge;
Valid values:
- for max14577: 90000 - 950000;
- for max77836: 45000 - 475000;
- maxim,eoc-uamp : Current in uA for End-Of-Charge mode;
Valid values:
- for max14577: 50000 - 200000;
- for max77836: 5000 - 100000;
- maxim,ovp-uvolt : OverVoltage Protection Threshold in uV;
In an overvoltage condition, INT asserts and charging
stops. Valid values:
- 6000000, 6500000, 7000000, 7500000;
- maxim,constant-uvolt : Battery Constant Voltage in uV;
Valid values:
- 4000000 - 4280000 (step by 20000);
- 4350000;
Optional nodes:
- max14577-muic/max77836-muic :
Node used only by extcon consumers.
Required properties:
- compatible : "maxim,max14577-muic" or "maxim,max77836-muic"
- regulators :
Required properties:
- compatible : "maxim,max14577-regulator"
or "maxim,max77836-regulator"
May contain a sub-node per regulator from the list below. Each
sub-node should contain the constraints and initialization information
for that regulator. See regulator.txt for a description of standard
properties for these sub-nodes.
List of valid regulator names:
- for max14577: CHARGER, SAFEOUT.
- for max77836: CHARGER, SAFEOUT, LDO1, LDO2.
The SAFEOUT is a fixed voltage regulator so there is no need to specify
voltages for it.
Example:
#include <dt-bindings/interrupt-controller/irq.h>
max14577@25 {
compatible = "maxim,max14577";
reg = <0x25>;
interrupt-parent = <&gpx1>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
muic: max14577-muic {
compatible = "maxim,max14577-muic";
};
regulators {
compatible = "maxim,max14577-regulator";
SAFEOUT {
regulator-name = "SAFEOUT";
};
CHARGER {
regulator-name = "CHARGER";
regulator-min-microamp = <90000>;
regulator-max-microamp = <950000>;
regulator-boot-on;
};
};
charger {
compatible = "maxim,max14577-charger";
maxim,constant-uvolt = <4350000>;
maxim,fast-charge-uamp = <450000>;
maxim,eoc-uamp = <50000>;
maxim,ovp-uvolt = <6500000>;
};
};
max77836@25 {
compatible = "maxim,max77836";
reg = <0x25>;
interrupt-parent = <&gpx1>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
muic: max77836-muic {
compatible = "maxim,max77836-muic";
};
regulators {
compatible = "maxim,max77836-regulator";
SAFEOUT {
regulator-name = "SAFEOUT";
};
CHARGER {
regulator-name = "CHARGER";
regulator-min-microamp = <90000>;
regulator-max-microamp = <950000>;
regulator-boot-on;
};
LDO1 {
regulator-name = "LDO1";
regulator-min-microvolt = <2700000>;
regulator-max-microvolt = <2700000>;
};
LDO2 {
regulator-name = "LDO2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
};
charger {
compatible = "maxim,max77836-charger";
maxim,constant-uvolt = <4350000>;
maxim,fast-charge-uamp = <225000>;
maxim,eoc-uamp = <7500>;
maxim,ovp-uvolt = <6500000>;
};
};
# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/mfd/maxim,max14577.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim MAX14577/MAX77836 MicroUSB and Companion Power Management IC
maintainers:
- Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
description: |
This is a part of device tree bindings for Maxim MAX14577/MAX77836 MicroUSB
Integrated Circuit (MUIC).
The Maxim MAX14577 is a MicroUSB and Companion Power Management IC which
includes voltage safeout regulators, charger and MicroUSB management IC.
The Maxim MAX77836 is a MicroUSB and Companion Power Management IC which
includes voltage safeout and LDO regulators, charger, fuel-gauge and MicroUSB
management IC.
properties:
compatible:
enum:
- maxim,max14577
- maxim,max77836
interrupts:
maxItems: 1
reg:
maxItems: 1
wakeup-source: true
charger:
$ref: /schemas/power/supply/maxim,max14577.yaml
extcon:
type: object
properties:
compatible:
enum:
- maxim,max14577-muic
- maxim,max77836-muic
required:
- compatible
regulators:
$ref: /schemas/regulator/maxim,max14577.yaml
required:
- compatible
- interrupts
- reg
- charger
allOf:
- if:
properties:
compatible:
contains:
const: maxim,max14577
then:
properties:
charger:
properties:
compatible:
const: maxim,max14577-charger
extcon:
properties:
compatible:
const: maxim,max14577-muic
regulator:
properties:
compatible:
const: maxim,max14577-regulator
else:
properties:
charger:
properties:
compatible:
const: maxim,max77836-charger
extcon:
properties:
compatible:
const: maxim,max77836-muic
regulator:
properties:
compatible:
const: maxim,max77836-regulator
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@25 {
compatible = "maxim,max14577";
reg = <0x25>;
interrupt-parent = <&gpx1>;
interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
extcon {
compatible = "maxim,max14577-muic";
};
regulators {
compatible = "maxim,max14577-regulator";
SAFEOUT {
regulator-name = "SAFEOUT";
};
CHARGER {
regulator-name = "CHARGER";
regulator-min-microamp = <90000>;
regulator-max-microamp = <950000>;
regulator-boot-on;
};
};
charger {
compatible = "maxim,max14577-charger";
maxim,constant-uvolt = <4350000>;
maxim,fast-charge-uamp = <450000>;
maxim,eoc-uamp = <50000>;
maxim,ovp-uvolt = <6500000>;
};
};
};
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@25 {
compatible = "maxim,max77836";
interrupt-parent = <&gpx1>;
interrupts = <5 IRQ_TYPE_NONE>;
reg = <0x25>;
wakeup-source;
extcon {
compatible = "maxim,max77836-muic";
};
regulators {
compatible = "maxim,max77836-regulator";
SAFEOUT {
regulator-name = "SAFEOUT";
};
CHARGER {
regulator-name = "CHARGER";
regulator-min-microamp = <45000>;
regulator-max-microamp = <475000>;
regulator-boot-on;
};
LDO1 {
regulator-name = "MOT_2.7V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <2700000>;
};
LDO2 {
regulator-name = "UNUSED_LDO2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <3950000>;
};
};
charger {
compatible = "maxim,max77836-charger";
maxim,constant-uvolt = <4350000>;
maxim,fast-charge-uamp = <225000>;
maxim,eoc-uamp = <7500>;
maxim,ovp-uvolt = <6500000>;
};
};
};
......@@ -11720,10 +11720,10 @@ M: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/*/maxim,max14577.yaml
F: Documentation/devicetree/bindings/*/maxim,max77686.yaml
F: Documentation/devicetree/bindings/*/maxim,max77843.yaml
F: Documentation/devicetree/bindings/clock/maxim,max77686.txt
F: Documentation/devicetree/bindings/mfd/max14577.txt
F: Documentation/devicetree/bindings/mfd/max77693.txt
F: drivers/*/*max77843.c
F: drivers/*/max14577*.c
......
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