1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: "http://devicetree.org/schemas/phy/phy-tegra194-p2u.yaml#" 5$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6 7title: NVIDIA Tegra194 P2U binding 8 9maintainers: 10 - Thierry Reding <treding@nvidia.com> 11 12description: > 13 Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High 14 Speed) each interfacing with 12 and 8 P2U instances respectively. 15 A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE 16 interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe 17 lane. 18 19properties: 20 compatible: 21 const: nvidia,tegra194-p2u 22 23 reg: 24 maxItems: 1 25 description: Should be the physical address space and length of respective each P2U instance. 26 27 reg-names: 28 items: 29 - const: ctl 30 31 '#phy-cells': 32 const: 0 33 34additionalProperties: false 35 36examples: 37 - | 38 p2u_hsio_0: phy@3e10000 { 39 compatible = "nvidia,tegra194-p2u"; 40 reg = <0x03e10000 0x10000>; 41 reg-names = "ctl"; 42 43 #phy-cells = <0>; 44 }; 45