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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/reset/socionext,uniphier-glue-reset.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Socionext UniPhier peripheral core reset in glue layer
description: |
Some peripheral core reset belongs to its own glue layer. Before using
this core reset, 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>
properties:
compatible:
enum:
- socionext,uniphier-pro4-usb3-reset
- socionext,uniphier-pro5-usb3-reset
- socionext,uniphier-pxs2-usb3-reset
- socionext,uniphier-ld20-usb3-reset
- socionext,uniphier-pxs3-usb3-reset
- socionext,uniphier-nx1-usb3-reset
- socionext,uniphier-pro4-ahci-reset
- socionext,uniphier-pxs2-ahci-reset
- socionext,uniphier-pxs3-ahci-reset
reg:
maxItems: 1
"#reset-cells":
const: 1
clocks:
minItems: 1
maxItems: 2
clock-names: true
resets:
minItems: 1
maxItems: 2
reset-names: true
allOf:
- if:
properties:
compatible:
contains:
enum:
- socionext,uniphier-pro4-usb3-reset
- socionext,uniphier-pro5-usb3-reset
- socionext,uniphier-pro4-ahci-reset
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: gio
- const: link
resets:
minItems: 2
maxItems: 2
reset-names:
items:
- const: gio
- const: link
else:
properties:
clocks:
maxItems: 1
clock-names:
const: link
resets:
maxItems: 1
reset-names:
const: link
additionalProperties: false
required:
- compatible
- reg
- "#reset-cells"
- clocks
- clock-names
- resets
- reset-names
examples:
- |
usb_rst: reset-controller@0 {
compatible = "socionext,uniphier-ld20-usb3-reset";
reg = <0x0 0x4>;
#reset-cells = <1>;
clock-names = "link";
clocks = <&sys_clk 14>;
reset-names = "link";
resets = <&sys_rst 14>;
};
|
