rcar-pci-host.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 # Copyright (C) 2020 Renesas Electronics Corp.
    3 %YAML 1.2
    4 ---
    5 $id: http://devicetree.org/schemas/pci/rcar-pci-host.yaml#
    6 $schema: http://devicetree.org/meta-schemas/core.yaml#
    7 
    8 title: Renesas R-Car PCIe Host
    9 
   10 maintainers:
   11   - Marek Vasut <marek.vasut+renesas@gmail.com>
   12   - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
   13 
   14 allOf:
   15   - $ref: pci-bus.yaml#
   16 
   17 properties:
   18   compatible:
   19     oneOf:
   20       - const: renesas,pcie-r8a7779       # R-Car H1
   21       - items:
   22           - enum:
   23               - renesas,pcie-r8a7742      # RZ/G1H
   24               - renesas,pcie-r8a7743      # RZ/G1M
   25               - renesas,pcie-r8a7744      # RZ/G1N
   26               - renesas,pcie-r8a7790      # R-Car H2
   27               - renesas,pcie-r8a7791      # R-Car M2-W
   28               - renesas,pcie-r8a7793      # R-Car M2-N
   29           - const: renesas,pcie-rcar-gen2 # R-Car Gen2 and RZ/G1
   30       - items:
   31           - enum:
   32               - renesas,pcie-r8a774a1     # RZ/G2M
   33               - renesas,pcie-r8a774b1     # RZ/G2N
   34               - renesas,pcie-r8a774c0     # RZ/G2E
   35               - renesas,pcie-r8a774e1     # RZ/G2H
   36               - renesas,pcie-r8a7795      # R-Car H3
   37               - renesas,pcie-r8a7796      # R-Car M3-W
   38               - renesas,pcie-r8a77961     # R-Car M3-W+
   39               - renesas,pcie-r8a77965     # R-Car M3-N
   40               - renesas,pcie-r8a77980     # R-Car V3H
   41               - renesas,pcie-r8a77990     # R-Car E3
   42           - const: renesas,pcie-rcar-gen3 # R-Car Gen3 and RZ/G2
   43 
   44   reg:
   45     maxItems: 1
   46 
   47   interrupts:
   48     minItems: 3
   49     maxItems: 3
   50 
   51   clocks:
   52     maxItems: 2
   53 
   54   clock-names:
   55     items:
   56       - const: pcie
   57       - const: pcie_bus
   58 
   59   power-domains:
   60     maxItems: 1
   61 
   62   resets:
   63     maxItems: 1
   64 
   65   phys:
   66     maxItems: 1
   67 
   68   phy-names:
   69     const: pcie
   70 
   71 required:
   72   - compatible
   73   - reg
   74   - interrupts
   75   - clocks
   76   - clock-names
   77   - power-domains
   78 
   79 if:
   80   not:
   81     properties:
   82       compatible:
   83         contains:
   84           const: renesas,pcie-r8a7779
   85 then:
   86   required:
   87     - resets
   88 
   89 unevaluatedProperties: false
   90 
   91 examples:
   92   - |
   93     #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
   94     #include <dt-bindings/interrupt-controller/arm-gic.h>
   95     #include <dt-bindings/power/r8a7791-sysc.h>
   96 
   97     soc {
   98         #address-cells = <2>;
   99         #size-cells = <2>;
  100 
  101         pcie: pcie@fe000000 {
  102             compatible = "renesas,pcie-r8a7791", "renesas,pcie-rcar-gen2";
  103             reg = <0 0xfe000000 0 0x80000>;
  104              #address-cells = <3>;
  105              #size-cells = <2>;
  106              bus-range = <0x00 0xff>;
  107              device_type = "pci";
  108              ranges = <0x01000000 0 0x00000000 0 0xfe100000 0 0x00100000>,
  109                       <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
  110                       <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
  111                       <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
  112              dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>,
  113                           <0x42000000 2 0x00000000 2 0x00000000 0 0x40000000>;
  114              interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
  115                           <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
  116                           <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
  117              #interrupt-cells = <1>;
  118              interrupt-map-mask = <0 0 0 0>;
  119              interrupt-map = <0 0 0 0 &gic GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
  120              clocks = <&cpg CPG_MOD 319>, <&pcie_bus_clk>;
  121              clock-names = "pcie", "pcie_bus";
  122              power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
  123              resets = <&cpg 319>;
  124          };
  125     };

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sys/contrib/device-tree/Bindings/pci/rcar-pci-host.yaml