Documentation/devicetree/bindings/pci/intel,keembay-pcie-ep.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: "http://devicetree.org/schemas/pci/intel,keembay-pcie-ep.yaml#"
   5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
   6
   7 title: Intel Keem Bay PCIe controller Endpoint mode
   8
   9 maintainers:
  10   - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
  11   - Srikanth Thokala <srikanth.thokala@intel.com>
  12
  13 properties:
  14   compatible:
  15     const: intel,keembay-pcie-ep
  16
  17   reg:
  18     maxItems: 5
  19
  20   reg-names:
  21     items:
  22       - const: dbi
  23       - const: dbi2
  24       - const: atu
  25       - const: addr_space
  26       - const: apb
  27
  28   interrupts:
  29     maxItems: 4
  30
  31   interrupt-names:
  32     items:
  33       - const: pcie
  34       - const: pcie_ev
  35       - const: pcie_err
  36       - const: pcie_mem_access
  37
  38   num-lanes:
  39     description: Number of lanes to use.
  40     enum: [ 1, 2 ]
  41
  42 required:
  43   - compatible
  44   - reg
  45   - reg-names
  46   - interrupts
  47   - interrupt-names
  48
  49 additionalProperties: false
  50
  51 examples:
  52   - |
  53     #include <dt-bindings/interrupt-controller/arm-gic.h>
  54     #include <dt-bindings/interrupt-controller/irq.h>
  55     pcie-ep@37000000 {
  56           compatible = "intel,keembay-pcie-ep";
  57           reg = <0x37000000 0x00001000>,
  58                 <0x37100000 0x00001000>,
  59                 <0x37300000 0x00001000>,
  60                 <0x36000000 0x01000000>,
  61                 <0x37800000 0x00000200>;
  62           reg-names = "dbi", "dbi2", "atu", "addr_space", "apb";
  63           interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
  64                        <GIC_SPI 108 IRQ_TYPE_EDGE_RISING>,
  65                        <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
  66                        <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
  67           interrupt-names = "pcie", "pcie_ev", "pcie_err", "pcie_mem_access";
  68           num-lanes = <2>;
  69     };