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dt-bindings: regulator: Document bindings for fan53880
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Add device tree binding information for fan53880 regulator driver.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Link: https://lore.kernel.org/r/20200702210846.31659-3-chf.fritz@googlemail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Christoph Fritz authored and Mark Brown committed Jul 3, 2020
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85 changes: 85 additions & 0 deletions Documentation/devicetree/bindings/regulator/onnn,fan53880.yaml
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/onnn,fan53880.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Onsemi FAN53880 PMIC

maintainers:
- Christoph Fritz <chf.fritz@googlemail.com>

description: |
The FAN53880 is an I2C porgrammable power management IC (PMIC)
that contains a BUCK (step-down converter), four low dropouts (LDO)
and one BOOST (step-up converter) output. It is designed for mobile
power applications.
properties:
$nodename:
pattern: "pmic@[0-9a-f]{1,2}"
compatible:
enum:
- onnn,fan53880

reg:
maxItems: 1

VIN12-supply:
description: Input supply phandle(s) for LDO1 and LDO2

VIN3-supply:
description: Input supply phandle(s) for LDO3

VIN4-supply:
description: Input supply phandle(s) for LDO4

PVIN-supply:
description: Input supply phandle(s) for BUCK and BOOST

regulators:
type: object
$ref: regulator.yaml#
description: |
list of regulators provided by this controller, must be named
after their hardware counterparts LDO[1-4], BUCK and BOOST
patternProperties:
"^LDO[1-4]$":
type: object
$ref: regulator.yaml#

"^BUCK|BOOST$":
type: object
$ref: regulator.yaml#

additionalProperties: false

required:
- compatible
- reg
- regulators

additionalProperties: false

examples:
- |
i2c {
#address-cells = <1>;
#size-cells = <0>;
pmic@35 {
compatible = "onnn,fan53880";
reg = <0x35>;
PVIN-supply = <&fixreg_example_vcc>;
regulators {
BUCK {
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
};
};
};
};
...

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