xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml (revision 62306a36)

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

title: MediaTek PCIe PHY

maintainers:
  - Jianjun Wang <jianjun.wang@mediatek.com>

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

properties:
  compatible:
    const: mediatek,mt8195-pcie-phy

  reg:
    maxItems: 1

  reg-names:
    items:
      - const: sif

  "#phy-cells":
    const: 0

  nvmem-cells:
    maxItems: 7
    description:
      Phandles to nvmem cell that contains the efuse data, if unspecified,
      default value is used.

  nvmem-cell-names:
    items:
      - const: glb_intr
      - const: tx_ln0_pmos
      - const: tx_ln0_nmos
      - const: rx_ln0
      - const: tx_ln1_pmos
      - const: tx_ln1_nmos
      - const: rx_ln1

  power-domains:
    maxItems: 1

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

additionalProperties: false

examples:
  - |
    phy@11e80000 {
        compatible = "mediatek,mt8195-pcie-phy";
        #phy-cells = <0>;
        reg = <0x11e80000 0x10000>;
        reg-names = "sif";
        nvmem-cells = <&pciephy_glb_intr>,
                      <&pciephy_tx_ln0_pmos>,
                      <&pciephy_tx_ln0_nmos>,
                      <&pciephy_rx_ln0>,
                      <&pciephy_tx_ln1_pmos>,
                      <&pciephy_tx_ln1_nmos>,
                      <&pciephy_rx_ln1>;
        nvmem-cell-names = "glb_intr", "tx_ln0_pmos",
                           "tx_ln0_nmos", "rx_ln0",
                           "tx_ln1_pmos", "tx_ln1_nmos",
                           "rx_ln1";
        power-domains = <&spm 2>;
    };