Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/phy/airoha,en7581-pcie-phy.yaml
Extension
.yaml
Size
1700 bytes
Lines
70
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/airoha,en7581-pcie-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Airoha EN7581 PCI-Express PHY

maintainers:
  - Lorenzo Bianconi <lorenzo@kernel.org>

description:
  The PCIe PHY supports physical layer functionality for PCIe Gen2/Gen3 port.

properties:
  compatible:
    const: airoha,en7581-pcie-phy

  reg:
    items:
      - description: PCIE analog base address
      - description: PCIE lane0 base address
      - description: PCIE lane1 base address
      - description: PCIE lane0 detection time base address
      - description: PCIE lane1 detection time base address
      - description: PCIE Rx AEQ base address

  reg-names:
    items:
      - const: csr-2l
      - const: pma0
      - const: pma1
      - const: p0-xr-dtime
      - const: p1-xr-dtime
      - const: rx-aeq

  "#phy-cells":
    const: 0

required:
  - compatible
  - reg
  - reg-names
  - "#phy-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/phy/phy.h>

    soc {
        #address-cells = <2>;
        #size-cells = <2>;

        phy@11e80000 {
            compatible = "airoha,en7581-pcie-phy";
            #phy-cells = <0>;
            reg = <0x0 0x1fa5a000 0x0 0xfff>,
                  <0x0 0x1fa5b000 0x0 0xfff>,
                  <0x0 0x1fa5c000 0x0 0xfff>,
                  <0x0 0x1fc10044 0x0 0x4>,
                  <0x0 0x1fc30044 0x0 0x4>,
                  <0x0 0x1fc15030 0x0 0x104>;
            reg-names = "csr-2l", "pma0", "pma1",
                        "p0-xr-dtime", "p1-xr-dtime",
                        "rx-aeq";
        };
    };

Annotation

Implementation Notes