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regulator: dt-bindings: Convert fixed-regulator to json-schema

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Convert the fixed-regulator binding to DT schema format using
json-schema.

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rob Herring 2019-01-10 16:19:03 -06:00 committed by Mark Brown
parent f01a7beb67
commit 053979d239
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GPG key ID: 24D68B725D5487D0
2 changed files with 67 additions and 35 deletions
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35
Documentation/devicetree/bindings/regulator/fixed-regulator.txt
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Fixed Voltage regulators
Required properties:
- compatible: Must be "regulator-fixed";
- regulator-name: Defined in regulator.txt as optional, but required here.
Optional properties:
- gpio: gpio to use for enable control
- startup-delay-us: startup time in microseconds
- enable-active-high: Polarity of GPIO is Active high
If this property is missing, the default assumed is Active low.
- gpio-open-drain: GPIO is open drain type.
If this property is missing then default assumption is false.
-vin-supply: Input supply name.
Any property defined as part of the core regulator
binding, defined in regulator.txt, can also be used.
However a fixed voltage regulator is expected to have the
regulator-min-microvolt and regulator-max-microvolt
to be the same.
Example:
abc: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "fixed-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio1 16 0>;
startup-delay-us = <70000>;
enable-active-high;
regulator-boot-on;
gpio-open-drain;
vin-supply = <&parent_reg>;
};

67
Documentation/devicetree/bindings/regulator/fixed-regulator.yaml Normal file
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@ -0,0 +1,67 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Fixed Voltage regulators
maintainers:
- Liam Girdwood <lgirdwood@gmail.com>
- Mark Brown <broonie@kernel.org>
description:
Any property defined as part of the core regulator binding, defined in
regulator.txt, can also be used. However a fixed voltage regulator is
expected to have the regulator-min-microvolt and regulator-max-microvolt
to be the same.
properties:
compatible:
const: regulator-fixed
regulator-name: true
gpio:
description: gpio to use for enable control
maxItems: 1
startup-delay-us:
description: startup time in microseconds
$ref: /schemas/types.yaml#/definitions/uint32
enable-active-high:
description:
Polarity of GPIO is Active high. If this property is missing,
the default assumed is Active low.
type: boolean
gpio-open-drain:
description:
GPIO is open drain type. If this property is missing then default
assumption is false.
type: boolean
vin-supply:
description: Input supply phandle.
$ref: /schemas/types.yaml#/definitions/phandle
required:
- compatible
- regulator-name
examples:
- |
abc: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "fixed-supply";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio1 16 0>;
startup-delay-us = <70000>;
enable-active-high;
regulator-boot-on;
gpio-open-drain;
vin-supply = <&parent_reg>;
};
...