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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add StarFive JH7110 SoC PCIe controller dt-bindings. JH7110 using PLDA XpressRICH PCIe host controller IP. Signed-off-by: Minda Chen Reviewed-by: Hal Feng Reviewed-by: Conor Dooley Reviewed-by: Rob Herring --- .../bindings/pci/starfive,jh7110-pcie.yaml | 120 ++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml diff --git a/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml new file mode 100644 index 000000000000..67151aaa3948 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/starfive,jh7110-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 PCIe host controller + +maintainers: + - Kevin Xie + +allOf: + - $ref: plda,xpressrich3-axi-common.yaml# + +properties: + compatible: + const: starfive,jh7110-pcie + + clocks: + items: + - description: NOC bus clock + - description: Transport layer clock + - description: AXI MST0 clock + - description: APB clock + + clock-names: + items: + - const: noc + - const: tl + - const: axi_mst0 + - const: apb + + resets: + items: + - description: AXI MST0 reset + - description: AXI SLAVE0 reset + - description: AXI SLAVE reset + - description: PCIE BRIDGE reset + - description: PCIE CORE reset + - description: PCIE APB reset + + reset-names: + items: + - const: mst0 + - const: slv0 + - const: slv + - const: brg + - const: core + - const: apb + + starfive,stg-syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: + The phandle to System Register Controller syscon node. + + perst-gpios: + description: GPIO controlled connection to PERST# signal + maxItems: 1 + + phys: + description: + Specified PHY is attached to PCIe controller. + maxItems: 1 + +required: + - clocks + - resets + - starfive,stg-syscon + +unevaluatedProperties: false + +examples: + - | + #include + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie@940000000 { + compatible = "starfive,jh7110-pcie"; + reg = <0x9 0x40000000 0x0 0x10000000>, + <0x0 0x2b000000 0x0 0x1000000>; + reg-names = "cfg", "apb"; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + device_type = "pci"; + ranges = <0x82000000 0x0 0x30000000 0x0 0x30000000 0x0 0x08000000>, + <0xc3000000 0x9 0x00000000 0x9 0x00000000 0x0 0x40000000>; + starfive,stg-syscon = <&stg_syscon>; + bus-range = <0x0 0xff>; + interrupt-parent = <&plic>; + interrupts = <56>; + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc0 0x1>, + <0x0 0x0 0x0 0x2 &pcie_intc0 0x2>, + <0x0 0x0 0x0 0x3 &pcie_intc0 0x3>, + <0x0 0x0 0x0 0x4 &pcie_intc0 0x4>; + msi-controller; + clocks = <&syscrg 86>, + <&stgcrg 10>, + <&stgcrg 8>, + <&stgcrg 9>; + clock-names = "noc", "tl", "axi_mst0", "apb"; + resets = <&stgcrg 11>, + <&stgcrg 12>, + <&stgcrg 13>, + <&stgcrg 14>, + <&stgcrg 15>, + <&stgcrg 16>; + perst-gpios = <&gpios 26 GPIO_ACTIVE_LOW>; + phys = <&pciephy0>; + + pcie_intc0: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + }; + }; + };