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+# 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>;
+ };