xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/phy/qcom,ipq8074-qmp-pcie-phy.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,ipq8074-qmp-pcie-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QMP PHY controller (PCIe, IPQ8074)

maintainers:
  - Vinod Koul <vkoul@kernel.org>

description:
  QMP PHY controller supports physical layer functionality for a number of
  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.

properties:
  compatible:
    enum:
      - qcom,ipq6018-qmp-pcie-phy
      - qcom,ipq8074-qmp-gen3-pcie-phy
      - qcom,ipq8074-qmp-pcie-phy

  reg:
    items:
      - description: serdes

  clocks:
    maxItems: 3

  clock-names:
    items:
      - const: aux
      - const: cfg_ahb
      - const: pipe

  resets:
    maxItems: 2

  reset-names:
    items:
      - const: phy
      - const: common

  "#clock-cells":
    const: 0

  clock-output-names:
    maxItems: 1

  "#phy-cells":
    const: 0

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names
  - "#clock-cells"
  - clock-output-names
  - "#phy-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-ipq6018.h>
    #include <dt-bindings/reset/qcom,gcc-ipq6018.h>

    phy@84000 {
        compatible = "qcom,ipq6018-qmp-pcie-phy";
        reg = <0x00084000 0x1000>;

        clocks = <&gcc GCC_PCIE0_AUX_CLK>,
                 <&gcc GCC_PCIE0_AHB_CLK>,
                 <&gcc GCC_PCIE0_PIPE_CLK>;
        clock-names = "aux",
                      "cfg_ahb",
                      "pipe";

        clock-output-names = "gcc_pcie0_pipe_clk_src";
        #clock-cells = <0>;

        #phy-cells = <0>;

        resets = <&gcc GCC_PCIE0_PHY_BCR>,
                 <&gcc GCC_PCIE0PHY_PHY_BCR>;
        reset-names = "phy",
                      "common";
    };