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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/maxim,max8952.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Maxim MAX8952 voltage regulator
maintainers:
- Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
allOf:
- $ref: regulator.yaml#
properties:
compatible:
const: maxim,max8952
max8952,default-mode:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3]
description: |
index of default DVS voltage
max8952,dvs-mode-microvolt:
minItems: 4
maxItems: 4
items:
minimum: 770000
maximum: 1400000
description: |
Array of 4 integer values defining DVS voltages in microvolts. All values
must be from range <770000, 1400000>.
max8952,en-gpio:
maxItems: 1
description: |
GPIO used to control enable status of regulator
max8952,ramp-speed:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2, 3, 4, 5, 6, 7]
default: 0
description: |
Voltage ramp speed, values map to:
- 0: 32mV/us
- 1: 16mV/us
- 2: 8mV/us
- 3: 4mV/us
- 4: 2mV/us
- 5: 1mV/us
- 6: 0.5mV/us
- 7: 0.25mV/us
Defaults to 32mV/us if not specified.
max8952,sync-freq:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [0, 1, 2]
default: 0
description: |
Sync frequency, values map to:
- 0: 26 MHz
- 1: 13 MHz
- 2: 19.2 MHz
Defaults to 26 MHz if not specified.
max8952,vid-gpios:
minItems: 2
maxItems: 2
description: |
Array of two GPIO pins used for DVS voltage selection
reg:
maxItems: 1
required:
- compatible
- max8952,dvs-mode-microvolt
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@60 {
compatible = "maxim,max8952";
reg = <0x60>;
max8952,vid-gpios = <&gpx0 3 GPIO_ACTIVE_HIGH>,
<&gpx0 4 GPIO_ACTIVE_HIGH>;
max8952,default-mode = <0>;
max8952,dvs-mode-microvolt = <1250000>, <1200000>,
<1050000>, <950000>;
max8952,sync-freq = <0>;
max8952,ramp-speed = <0>;
regulator-name = "VARM_1.2V_C210";
regulator-min-microvolt = <770000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
regulator-boot-on;
};
};
|
