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diff --git a/Bindings/phy/transmit-amplitude.yaml b/Bindings/phy/transmit-amplitude.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/transmit-amplitude.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common PHY and network PCS transmit amplitude property
+
+description:
+ Binding describing the peak-to-peak transmit amplitude for common PHYs
+ and network PCSes.
+
+maintainers:
+ - Marek Behún <kabel@kernel.org>
+
+properties:
+ tx-p2p-microvolt:
+ description:
+ Transmit amplitude voltages in microvolts, peak-to-peak. If this property
+ contains multiple values for various PHY modes, the
+ 'tx-p2p-microvolt-names' property must be provided and contain
+ corresponding mode names.
+
+ tx-p2p-microvolt-names:
+ description: |
+ Names of the modes corresponding to voltages in the 'tx-p2p-microvolt'
+ property. Required only if multiple voltages are provided.
+
+ If a value of 'default' is provided, the system should use it for any PHY
+ mode that is otherwise not defined here. If 'default' is not provided, the
+ system should use manufacturer default value.
+ minItems: 1
+ maxItems: 16
+ items:
+ enum:
+ - default
+
+ # ethernet modes
+ - sgmii
+ - qsgmii
+ - xgmii
+ - 1000base-x
+ - 2500base-x
+ - 5gbase-r
+ - rxaui
+ - xaui
+ - 10gbase-kr
+ - usxgmii
+ - 10gbase-r
+ - 25gbase-r
+
+ # PCIe modes
+ - pcie
+ - pcie1
+ - pcie2
+ - pcie3
+ - pcie4
+ - pcie5
+ - pcie6
+
+ # USB modes
+ - usb
+ - usb-ls
+ - usb-fs
+ - usb-hs
+ - usb-ss
+ - usb-ss+
+ - usb-4
+
+ # storage modes
+ - sata
+ - ufs-hs
+ - ufs-hs-a
+ - ufs-hs-b
+
+ # display modes
+ - lvds
+ - dp
+ - dp-rbr
+ - dp-hbr
+ - dp-hbr2
+ - dp-hbr3
+ - dp-uhbr-10
+ - dp-uhbr-13.5
+ - dp-uhbr-20
+
+ # camera modes
+ - mipi-dphy
+ - mipi-dphy-univ
+ - mipi-dphy-v2.5-univ
+
+dependencies:
+ tx-p2p-microvolt-names: [ tx-p2p-microvolt ]
+
+additionalProperties: true
+
+examples:
+ - |
+ phy: phy {
+ #phy-cells = <1>;
+ tx-p2p-microvolt = <915000>, <1100000>, <1200000>;
+ tx-p2p-microvolt-names = "2500base-x", "usb-hs", "usb-ss";
+ };