162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/phy/microchip,lan966x-serdes.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: Microchip Lan966x Serdes controller 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Horatiu Vultur <horatiu.vultur@microchip.com> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: | 1362306a36Sopenharmony_ci Lan966x has 7 interfaces, consisting of 2 copper transceivers(CU), 1462306a36Sopenharmony_ci 3 SERDES6G and 2 RGMII interfaces. Two of the SERDES6G support QSGMII. 1562306a36Sopenharmony_ci Also it has 8 logical Ethernet ports which can be connected to these 1662306a36Sopenharmony_ci interfaces. The Serdes controller will allow to configure these interfaces 1762306a36Sopenharmony_ci and allows to "mux" the interfaces to different ports. 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci For simple selection of the interface that is used with a port, the 2062306a36Sopenharmony_ci following macros are defined CU(X), SERDES6G(X), RGMII(X). Where X is a 2162306a36Sopenharmony_ci number that represents the index of that interface type. For example 2262306a36Sopenharmony_ci CU(1) means use interface copper transceivers 1. SERDES6G(2) means use 2362306a36Sopenharmony_ci interface SerDes 2. 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ciproperties: 2662306a36Sopenharmony_ci $nodename: 2762306a36Sopenharmony_ci pattern: "^serdes@[0-9a-f]+$" 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci compatible: 3062306a36Sopenharmony_ci const: microchip,lan966x-serdes 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci reg: 3362306a36Sopenharmony_ci items: 3462306a36Sopenharmony_ci - description: HSIO registers 3562306a36Sopenharmony_ci - description: HW_STAT register 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci '#phy-cells': 3862306a36Sopenharmony_ci const: 2 3962306a36Sopenharmony_ci description: | 4062306a36Sopenharmony_ci - Input port to use for a given macro. 4162306a36Sopenharmony_ci - The macro to be used. The macros are defined in 4262306a36Sopenharmony_ci dt-bindings/phy/phy-lan966x-serdes. 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_cirequired: 4562306a36Sopenharmony_ci - compatible 4662306a36Sopenharmony_ci - reg 4762306a36Sopenharmony_ci - '#phy-cells' 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ciadditionalProperties: false 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ciexamples: 5262306a36Sopenharmony_ci - | 5362306a36Sopenharmony_ci serdes: serdes@e2004010 { 5462306a36Sopenharmony_ci compatible = "microchip,lan966x-serdes"; 5562306a36Sopenharmony_ci reg = <0xe202c000 0x9c>, <0xe2004010 0x4>; 5662306a36Sopenharmony_ci #phy-cells = <2>; 5762306a36Sopenharmony_ci }; 5862306a36Sopenharmony_ci 5962306a36Sopenharmony_ci... 60