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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/xlnx,zynqmp-psgtr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xilinx ZynqMP Gigabit Transceiver PHY
+
+maintainers:
+ - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+
+description: |
+ This binding describes the Xilinx ZynqMP Gigabit Transceiver (GTR) PHY. The
+ GTR provides four lanes and is used by USB, SATA, PCIE, Display port and
+ Ethernet SGMII controllers.
+
+properties:
+ "#phy-cells":
+ const: 4
+ description: |
+ The cells contain the following arguments.
+
+ - description: The GTR lane
+ minimum: 0
+ maximum: 3
+ - description: The PHY type
+ enum:
+ - PHY_TYPE_DP
+ - PHY_TYPE_PCIE
+ - PHY_TYPE_SATA
+ - PHY_TYPE_SGMII
+ - PHY_TYPE_USB3
+ - description: The PHY instance
+ minimum: 0
+ maximum: 1 # for DP, SATA or USB
+ maximum: 3 # for PCIE or SGMII
+ - description: The reference clock number
+ minimum: 0
+ maximum: 3
+
+ compatible:
+ enum:
+ - xlnx,zynqmp-psgtr-v1.1
+ - xlnx,zynqmp-psgtr
+
+ clocks:
+ minItems: 1
+ maxItems: 4
+ description: |
+ Clock for each PS_MGTREFCLK[0-3] reference clock input. Unconnected
+ inputs shall not have an entry.
+
+ clock-names:
+ minItems: 1
+ maxItems: 4
+ items:
+ pattern: "^ref[0-3]$"
+
+ reg:
+ items:
+ - description: SERDES registers block
+ - description: SIOU registers block
+
+ reg-names:
+ items:
+ - const: serdes
+ - const: siou
+
+ xlnx,tx-termination-fix:
+ description: |
+ Include this for fixing functional issue with the TX termination
+ resistance in GT, which can be out of spec for the XCZU9EG silicon
+ version.
+ type: boolean
+
+required:
+ - "#phy-cells"
+ - compatible
+ - reg
+ - reg-names
+
+if:
+ properties:
+ compatible:
+ const: xlnx,zynqmp-psgtr-v1.1
+
+then:
+ properties:
+ xlnx,tx-termination-fix: false
+
+additionalProperties: false
+
+examples:
+ - |
+ phy: phy@fd400000 {
+ compatible = "xlnx,zynqmp-psgtr-v1.1";
+ reg = <0xfd400000 0x40000>,
+ <0xfd3d0000 0x1000>;
+ reg-names = "serdes", "siou";
+ clocks = <&refclks 3>, <&refclks 2>, <&refclks 0>;
+ clock-names = "ref1", "ref2", "ref3";
+ #phy-cells = <4>;
+ };
+
+...