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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Socionext UniPhier regulator controller
description: |
This regulator controls VBUS and belongs to USB3 glue layer. Before using
the regulator, it is necessary to control the clocks and resets to enable
this layer. These clocks and resets should be described in each property.
maintainers:
- Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
allOf:
- $ref: "regulator.yaml#"
# USB3 Controller
properties:
compatible:
enum:
- socionext,uniphier-pro4-usb3-regulator
- socionext,uniphier-pro5-usb3-regulator
- socionext,uniphier-pxs2-usb3-regulator
- socionext,uniphier-ld20-usb3-regulator
- socionext,uniphier-pxs3-usb3-regulator
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 2
clock-names:
oneOf:
- items: # for Pro4, Pro5
- const: gio
- const: link
- items: # for others
- const: link
resets:
minItems: 1
maxItems: 2
reset-names:
oneOf:
- items: # for Pro4, Pro5
- const: gio
- const: link
- items:
- const: link
additionalProperties: false
required:
- compatible
- reg
- clocks
- clock-names
- resets
- reset-names
examples:
- |
usb-glue@65b00000 {
compatible = "simple-mfd";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x65b00000 0x400>;
usb_vbus0: regulators@100 {
compatible = "socionext,uniphier-ld20-usb3-regulator";
reg = <0x100 0x10>;
clock-names = "link";
clocks = <&sys_clk 14>;
reset-names = "link";
resets = <&sys_rst 14>;
};
};
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