xref: /linux/Documentation/devicetree/bindings/pci/qcom,pcie-msm8996.yaml (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pci/qcom,pcie-msm8996.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8996 PCI Express Root Complex

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Manivannan Sadhasivam <mani@kernel.org>

properties:
  compatible:
    oneOf:
      - enum:
          - qcom,pcie-msm8996
      - items:
          - const: qcom,pcie-msm8998
          - const: qcom,pcie-msm8996

  reg:
    minItems: 4
    maxItems: 5

  reg-names:
    minItems: 4
    items:
      - const: parf
      - const: dbi
      - const: elbi
      - const: config
      - const: mhi

  clocks:
    maxItems: 5

  clock-names:
    items:
      - const: pipe # Pipe Clock driving internal logic
      - const: aux
      - const: cfg
      - const: bus_master # Master AXI clock
      - const: bus_slave # Slave AXI clock

  interrupts:
    minItems: 8
    maxItems: 9

  interrupt-names:
    minItems: 8
    items:
      - const: msi0
      - const: msi1
      - const: msi2
      - const: msi3
      - const: msi4
      - const: msi5
      - const: msi6
      - const: msi7
      - const: global

  vdda-supply:
    description: A phandle to the core analog power supply

  vddpe-3v3-supply:
    description: A phandle to the PCIe endpoint power supply

required:
  - power-domains

allOf:
  - $ref: qcom,pcie-common.yaml#

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-msm8996.h>
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    pcie@600000 {
        compatible = "qcom,pcie-msm8996";
        reg = <0x00600000 0x2000>,
              <0x0c000000 0xf1d>,
              <0x0c000f20 0xa8>,
              <0x0c100000 0x100000>;
        reg-names = "parf", "dbi", "elbi", "config";
        ranges = <0x01000000 0x0 0x00000000 0x0c200000 0x0 0x100000>,
                 <0x02000000 0x0 0x0c300000 0x0c300000 0x0 0xd00000>;

        device_type = "pci";
        bus-range = <0x00 0xff>;
        num-lanes = <1>;
        #address-cells = <3>;
        #size-cells = <2>;
        linux,pci-domain = <0>;

        clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
                 <&gcc GCC_PCIE_0_AUX_CLK>,
                 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
                 <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
                 <&gcc GCC_PCIE_0_SLV_AXI_CLK>;
        clock-names = "pipe",
                     "aux",
                     "cfg",
                     "bus_master",
                     "bus_slave";

        interrupts = <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 410 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 411 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 412 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "msi0",
                          "msi1",
                          "msi2",
                          "msi3",
                          "msi4",
                          "msi5",
                          "msi6",
                          "msi7";
        #interrupt-cells = <1>;
        interrupt-map-mask = <0 0 0 0x7>;
        interrupt-map = <0 0 0 1 &intc GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>, /* int_a */
                        <0 0 0 2 &intc GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>, /* int_b */
                        <0 0 0 3 &intc GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
                        <0 0 0 4 &intc GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>; /* int_d */

        pinctrl-names = "default", "sleep";
        pinctrl-0 = <&pcie0_state_on>;
        pinctrl-1 = <&pcie0_state_off>;

        phys = <&pciephy_0>;
        phy-names = "pciephy";

        power-domains = <&gcc PCIE0_GDSC>;

        perst-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
        vddpe-3v3-supply = <&wlan_en>;
        vdda-supply = <&vreg_l28a_0p925>;

        pcie@0 {
            device_type = "pci";
            reg = <0x0 0x0 0x0 0x0 0x0>;
            bus-range = <0x01 0xff>;

            #address-cells = <3>;
            #size-cells = <2>;
            ranges;
        };
    };