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Diffstat (limited to 'Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml new file mode 100644 index 000000000..437e61618 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/socionext,uniphier-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier PCIe endpoint controller + +description: | + UniPhier PCIe endpoint controller is based on the Synopsys DesignWare + PCI core. It shares common features with the PCIe DesignWare core and + inherits common properties defined in + Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml. + +maintainers: + - Kunihiko Hayashi <hayashi.kunihiko@socionext.com> + +allOf: + - $ref: /schemas/pci/snps,dw-pcie-ep.yaml# + +properties: + compatible: + enum: + - socionext,uniphier-pro5-pcie-ep + - socionext,uniphier-nx1-pcie-ep + + reg: + minItems: 4 + maxItems: 5 + + reg-names: + oneOf: + - items: + - const: dbi + - const: dbi2 + - const: link + - const: addr_space + - items: + - const: dbi + - const: dbi2 + - const: link + - const: addr_space + - const: atu + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + oneOf: + - items: # for Pro5 + - const: gio + - const: link + - const: link # for NX1 + + resets: + minItems: 1 + maxItems: 2 + + reset-names: + oneOf: + - items: # for Pro5 + - const: gio + - const: link + - const: link # for NX1 + + num-ib-windows: + const: 16 + + num-ob-windows: + const: 16 + + num-lanes: true + + phys: + maxItems: 1 + + phy-names: + const: pcie-phy + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + pcie_ep: pcie-ep@66000000 { + compatible = "socionext,uniphier-pro5-pcie-ep"; + reg-names = "dbi", "dbi2", "link", "addr_space"; + reg = <0x66000000 0x1000>, <0x66001000 0x1000>, + <0x66010000 0x10000>, <0x67000000 0x400000>; + clock-names = "gio", "link"; + clocks = <&sys_clk 12>, <&sys_clk 24>; + reset-names = "gio", "link"; + resets = <&sys_rst 12>, <&sys_rst 24>; + num-ib-windows = <16>; + num-ob-windows = <16>; + num-lanes = <4>; + phy-names = "pcie-phy"; + phys = <&pcie_phy>; + }; |