rcar-pci-host.yaml

  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
  8title: Renesas R-Car PCIe Host
  9
 10maintainers:
 11  - Marek Vasut <marek.vasut+renesas@gmail.com>
 12  - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
 13
 14allOf:
 15  - $ref: /schemas/pci/pci-host-bridge.yaml#
 16
 17properties:
 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  vpcie1v5-supply:
 72    description: The 1.5v regulator to use for PCIe.
 73
 74  vpcie3v3-supply:
 75    description: The 3.3v regulator to use for PCIe.
 76
 77  vpcie12v-supply:
 78    description: The 12v regulator to use for PCIe.
 79
 80  iommu-map: true
 81  iommu-map-mask: true
 82
 83required:
 84  - compatible
 85  - reg
 86  - interrupts
 87  - clocks
 88  - clock-names
 89  - power-domains
 90
 91if:
 92  not:
 93    properties:
 94      compatible:
 95        contains:
 96          const: renesas,pcie-r8a7779
 97then:
 98  required:
 99    - resets
100
101unevaluatedProperties: false
102
103examples:
104  - |
105    #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
106    #include <dt-bindings/interrupt-controller/arm-gic.h>
107    #include <dt-bindings/power/r8a7791-sysc.h>
108
109    soc {
110        #address-cells = <2>;
111        #size-cells = <2>;
112
113        pcie: pcie@fe000000 {
114            compatible = "renesas,pcie-r8a7791", "renesas,pcie-rcar-gen2";
115            reg = <0 0xfe000000 0 0x80000>;
116            #address-cells = <3>;
117            #size-cells = <2>;
118            bus-range = <0x00 0xff>;
119            device_type = "pci";
120            ranges = <0x01000000 0 0x00000000 0 0xfe100000 0 0x00100000>,
121                     <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
122                     <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
123                     <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
124            dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>,
125                         <0x42000000 2 0x00000000 2 0x00000000 0 0x40000000>;
126            interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
127                         <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
128                         <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
129            #interrupt-cells = <1>;
130            interrupt-map-mask = <0 0 0 0>;
131            interrupt-map = <0 0 0 0 &gic GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
132            clocks = <&cpg CPG_MOD 319>, <&pcie_bus_clk>;
133            clock-names = "pcie", "pcie_bus";
134            power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
135            resets = <&cpg 319>;
136            vpcie3v3-supply = <&pcie_3v3>;
137            vpcie12v-supply = <&pcie_12v>;
138        };
139    };