Documentation/devicetree/bindings/pci/xilinx-versal-cpm.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pci/xilinx-versal-cpm.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: CPM Host Controller device tree for Xilinx Versal SoCs
   8
   9 maintainers:
  10   - Bharat Kumar Gogada <bharat.kumar.gogada@amd.com>
  11
  12 allOf:
  13   - $ref: /schemas/pci/pci-host-bridge.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - xlnx,versal-cpm-host-1.00
  19       - xlnx,versal-cpm5-host
  20
  21   reg:
  22     items:
  23       - description: CPM system level control and status registers.
  24       - description: Configuration space region and bridge registers.
  25       - description: CPM5 control and status registers.
  26     minItems: 2
  27
  28   reg-names:
  29     items:
  30       - const: cpm_slcr
  31       - const: cfg
  32       - const: cpm_csr
  33     minItems: 2
  34
  35   interrupts:
  36     maxItems: 1
  37
  38   msi-map:
  39     description:
  40       Maps a Requester ID to an MSI controller and associated MSI sideband data.
  41
  42   ranges:
  43     maxItems: 2
  44
  45   "#interrupt-cells":
  46     const: 1
  47
  48   interrupt-controller:
  49     description: Interrupt controller node for handling legacy PCI interrupts.
  50     type: object
  51     additionalProperties: false
  52
  53     properties:
  54       "#address-cells":
  55         const: 0
  56
  57       "#interrupt-cells":
  58         const: 1
  59
  60       interrupt-controller: true
  61
  62 required:
  63   - reg
  64   - reg-names
  65   - "#interrupt-cells"
  66   - interrupts
  67   - interrupt-map
  68   - interrupt-map-mask
  69   - bus-range
  70   - msi-map
  71   - interrupt-controller
  72
  73 unevaluatedProperties: false
  74
  75 examples:
  76   - |
  77
  78     versal {
  79                #address-cells = <2>;
  80                #size-cells = <2>;
  81                cpm_pcie: pcie@fca10000 {
  82                        compatible = "xlnx,versal-cpm-host-1.00";
  83                        device_type = "pci";
  84                        #address-cells = <3>;
  85                        #interrupt-cells = <1>;
  86                        #size-cells = <2>;
  87                        interrupts = <0 72 4>;
  88                        interrupt-parent = <&gic>;
  89                        interrupt-map-mask = <0 0 0 7>;
  90                        interrupt-map = <0 0 0 1 &pcie_intc_0 0>,
  91                                        <0 0 0 2 &pcie_intc_0 1>,
  92                                        <0 0 0 3 &pcie_intc_0 2>,
  93                                        <0 0 0 4 &pcie_intc_0 3>;
  94                        bus-range = <0x00 0xff>;
  95                        ranges = <0x02000000 0x0 0xe0000000 0x0 0xe0000000 0x0 0x10000000>,
  96                                 <0x43000000 0x80 0x00000000 0x80 0x00000000 0x0 0x80000000>;
  97                        msi-map = <0x0 &its_gic 0x0 0x10000>;
  98                        reg = <0x0 0xfca10000 0x0 0x1000>,
  99                              <0x6 0x00000000 0x0 0x10000000>;
 100                        reg-names = "cpm_slcr", "cfg";
 101                        pcie_intc_0: interrupt-controller {
 102                                #address-cells = <0>;
 103                                #interrupt-cells = <1>;
 104                                interrupt-controller;
 105                        };
 106                };
 107
 108                cpm5_pcie: pcie@fcdd0000 {
 109                        compatible = "xlnx,versal-cpm5-host";
 110                        device_type = "pci";
 111                        #address-cells = <3>;
 112                        #interrupt-cells = <1>;
 113                        #size-cells = <2>;
 114                        interrupts = <0 72 4>;
 115                        interrupt-parent = <&gic>;
 116                        interrupt-map-mask = <0 0 0 7>;
 117                        interrupt-map = <0 0 0 1 &pcie_intc_1 0>,
 118                                        <0 0 0 2 &pcie_intc_1 1>,
 119                                        <0 0 0 3 &pcie_intc_1 2>,
 120                                        <0 0 0 4 &pcie_intc_1 3>;
 121                        bus-range = <0x00 0xff>;
 122                        ranges = <0x02000000 0x0 0xe0000000 0x0 0xe0000000 0x0 0x10000000>,
 123                                 <0x43000000 0x80 0x00000000 0x80 0x00000000 0x0 0x80000000>;
 124                        msi-map = <0x0 &its_gic 0x0 0x10000>;
 125                        reg = <0x00 0xfcdd0000 0x00 0x1000>,
 126                              <0x06 0x00000000 0x00 0x1000000>,
 127                              <0x00 0xfce20000 0x00 0x1000000>;
 128                        reg-names = "cpm_slcr", "cfg", "cpm_csr";
 129
 130                        pcie_intc_1: interrupt-controller {
 131                                #address-cells = <0>;
 132                                #interrupt-cells = <1>;
 133                                interrupt-controller;
 134                        };
 135                };
 136
 137     };