blob: b3ed2f74a4145f3dffab8cbd747e75319c77085e [file] [log] [blame]
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/socionext,uniphier-pcie-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Socionext UniPhier PCIe PHY
description: |
This describes the devicetree bindings for PHY interface built into
PCIe controller implemented on Socionext UniPhier SoCs.
maintainers:
- Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
properties:
compatible:
enum:
- socionext,uniphier-pro5-pcie-phy
- socionext,uniphier-ld20-pcie-phy
- socionext,uniphier-pxs3-pcie-phy
- socionext,uniphier-nx1-pcie-phy
reg:
maxItems: 1
"#phy-cells":
const: 0
clocks:
minItems: 1
maxItems: 2
clock-names: true
resets:
minItems: 1
maxItems: 2
reset-names: true
socionext,syscon:
$ref: /schemas/types.yaml#/definitions/phandle
description: A phandle to system control to set configurations for phy
allOf:
- if:
properties:
compatible:
contains:
const: socionext,uniphier-pro5-pcie-phy
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
required:
- compatible
- reg
- "#phy-cells"
- clocks
- clock-names
- resets
- reset-names
additionalProperties: false
examples:
- |
pcie_phy: phy@66038000 {
compatible = "socionext,uniphier-ld20-pcie-phy";
reg = <0x66038000 0x4000>;
#phy-cells = <0>;
clock-names = "link";
clocks = <&sys_clk 24>;
reset-names = "link";
resets = <&sys_rst 24>;
socionext,syscon = <&soc_glue>;
};