bindings/pci/socionext%2Cuniphier-pcie-ep.yaml

0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/pci/socionext,uniphier-pcie-ep.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Socionext UniPhier PCIe endpoint controller
0008
0009 description: |
0010   UniPhier PCIe endpoint controller is based on the Synopsys DesignWare
0011   PCI core. It shares common features with the PCIe DesignWare core and
0012   inherits common properties defined in
0013   Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml.
0014
0015 maintainers:
0016   - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
0017
0018 allOf:
0019   - $ref: /schemas/pci/snps,dw-pcie-ep.yaml#
0020
0021 properties:
0022   compatible:
0023     enum:
0024       - socionext,uniphier-pro5-pcie-ep
0025       - socionext,uniphier-nx1-pcie-ep
0026
0027   reg:
0028     minItems: 4
0029     maxItems: 5
0030
0031   reg-names:
0032     oneOf:
0033       - items:
0034           - const: dbi
0035           - const: dbi2
0036           - const: link
0037           - const: addr_space
0038       - items:
0039           - const: dbi
0040           - const: dbi2
0041           - const: link
0042           - const: addr_space
0043           - const: atu
0044
0045   clocks:
0046     minItems: 1
0047     maxItems: 2
0048
0049   clock-names:
0050     oneOf:
0051       - items:              # for Pro5
0052           - const: gio
0053           - const: link
0054       - const: link         # for NX1
0055
0056   resets:
0057     minItems: 1
0058     maxItems: 2
0059
0060   reset-names:
0061     oneOf:
0062       - items:              # for Pro5
0063           - const: gio
0064           - const: link
0065       - const: link         # for NX1
0066
0067   num-ib-windows:
0068     const: 16
0069
0070   num-ob-windows:
0071     const: 16
0072
0073   num-lanes: true
0074
0075   phys:
0076     maxItems: 1
0077
0078   phy-names:
0079     const: pcie-phy
0080
0081 required:
0082   - compatible
0083   - reg
0084   - reg-names
0085   - clocks
0086   - clock-names
0087   - resets
0088   - reset-names
0089
0090 unevaluatedProperties: false
0091
0092 examples:
0093   - |
0094     pcie_ep: pcie-ep@66000000 {
0095         compatible = "socionext,uniphier-pro5-pcie-ep";
0096         reg-names = "dbi", "dbi2", "link", "addr_space";
0097         reg = <0x66000000 0x1000>, <0x66001000 0x1000>,
0098               <0x66010000 0x10000>, <0x67000000 0x400000>;
0099         clock-names = "gio", "link";
0100         clocks = <&sys_clk 12>, <&sys_clk 24>;
0101         reset-names = "gio", "link";
0102         resets = <&sys_rst 12>, <&sys_rst 24>;
0103         num-ib-windows = <16>;
0104         num-ob-windows = <16>;
0105         num-lanes = <4>;
0106         phy-names = "pcie-phy";
0107         phys = <&pcie_phy>;
0108     };