Bindings/pci/socionext,uniphier-pcie-ep.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/socionext,uniphier-pcie-ep.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Socionext UniPhier PCIe endpoint controller
   8
   9 description: |
  10   UniPhier PCIe endpoint controller is based on the Synopsys DesignWare
  11   PCI core. It shares common features with the PCIe DesignWare core and
  12   inherits common properties defined in
  13   Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml.
  14
  15 maintainers:
  16   - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - socionext,uniphier-pro5-pcie-ep
  22       - socionext,uniphier-nx1-pcie-ep
  23
  24   reg:
  25     minItems: 4
  26     maxItems: 5
  27
  28   reg-names:
  29     minItems: 4
  30     items:
  31       - const: dbi
  32       - const: dbi2
  33       - const: link
  34       - const: addr_space
  35       - const: atu
  36
  37   clocks:
  38     minItems: 1
  39     maxItems: 2
  40
  41   clock-names: true
  42
  43   resets:
  44     minItems: 1
  45     maxItems: 2
  46
  47   reset-names: true
  48
  49   num-ib-windows:
  50     const: 16
  51
  52   num-ob-windows:
  53     const: 16
  54
  55   num-lanes: true
  56
  57   phys:
  58     maxItems: 1
  59
  60   phy-names:
  61     const: pcie-phy
  62
  63 allOf:
  64   - $ref: /schemas/pci/snps,dw-pcie-ep.yaml#
  65   - if:
  66       properties:
  67         compatible:
  68           contains:
  69             const: socionext,uniphier-pro5-pcie-ep
  70     then:
  71       properties:
  72         reg:
  73           maxItems: 4
  74         reg-names:
  75           maxItems: 4
  76         clocks:
  77           minItems: 2
  78         clock-names:
  79           items:
  80             - const: gio
  81             - const: link
  82         resets:
  83           minItems: 2
  84         reset-names:
  85           items:
  86             - const: gio
  87             - const: link
  88     else:
  89       properties:
  90         reg:
  91           minItems: 5
  92         reg-names:
  93           minItems: 5
  94         clocks:
  95           maxItems: 1
  96         clock-names:
  97           const: link
  98         resets:
  99           maxItems: 1
 100         reset-names:
 101           const: link
 102
 103 required:
 104   - compatible
 105   - reg
 106   - reg-names
 107   - clocks
 108   - clock-names
 109   - resets
 110   - reset-names
 111
 112 unevaluatedProperties: false
 113
 114 examples:
 115   - |
 116     pcie_ep: pcie-ep@66000000 {
 117         compatible = "socionext,uniphier-pro5-pcie-ep";
 118         reg-names = "dbi", "dbi2", "link", "addr_space";
 119         reg = <0x66000000 0x1000>, <0x66001000 0x1000>,
 120               <0x66010000 0x10000>, <0x67000000 0x400000>;
 121         clock-names = "gio", "link";
 122         clocks = <&sys_clk 12>, <&sys_clk 24>;
 123         reset-names = "gio", "link";
 124         resets = <&sys_rst 12>, <&sys_rst 24>;
 125         num-ib-windows = <16>;
 126         num-ob-windows = <16>;
 127         num-lanes = <4>;
 128         phy-names = "pcie-phy";
 129         phys = <&pcie_phy>;
 130     };