| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/pci/sifive,fu740-pcie.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: SiFive FU740 PCIe host controller |
| |
| description: |+ |
| SiFive FU740 PCIe host 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/designware-pcie.txt. |
| |
| maintainers: |
| - Paul Walmsley <paul.walmsley@sifive.com> |
| - Greentime Hu <greentime.hu@sifive.com> |
| |
| allOf: |
| - $ref: /schemas/pci/pci-bus.yaml# |
| |
| properties: |
| compatible: |
| const: sifive,fu740-pcie |
| |
| reg: |
| maxItems: 3 |
| |
| reg-names: |
| items: |
| - const: dbi |
| - const: config |
| - const: mgmt |
| |
| num-lanes: |
| const: 8 |
| |
| msi-parent: true |
| |
| interrupt-names: |
| items: |
| - const: msi |
| - const: inta |
| - const: intb |
| - const: intc |
| - const: intd |
| |
| resets: |
| description: A phandle to the PCIe power up reset line. |
| maxItems: 1 |
| |
| pwren-gpios: |
| description: Should specify the GPIO for controlling the PCI bus device power on. |
| maxItems: 1 |
| |
| reset-gpios: |
| maxItems: 1 |
| |
| required: |
| - dma-coherent |
| - num-lanes |
| - interrupts |
| - interrupt-names |
| - interrupt-parent |
| - interrupt-map-mask |
| - interrupt-map |
| - clock-names |
| - clocks |
| - resets |
| - pwren-gpios |
| - reset-gpios |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| bus { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| #include <dt-bindings/clock/sifive-fu740-prci.h> |
| |
| pcie@e00000000 { |
| compatible = "sifive,fu740-pcie"; |
| #address-cells = <3>; |
| #size-cells = <2>; |
| #interrupt-cells = <1>; |
| reg = <0xe 0x00000000 0x0 0x80000000>, |
| <0xd 0xf0000000 0x0 0x10000000>, |
| <0x0 0x100d0000 0x0 0x1000>; |
| reg-names = "dbi", "config", "mgmt"; |
| device_type = "pci"; |
| dma-coherent; |
| bus-range = <0x0 0xff>; |
| ranges = <0x81000000 0x0 0x60080000 0x0 0x60080000 0x0 0x10000>, /* I/O */ |
| <0x82000000 0x0 0x60090000 0x0 0x60090000 0x0 0xff70000>, /* mem */ |
| <0x82000000 0x0 0x70000000 0x0 0x70000000 0x0 0x1000000>, /* mem */ |
| <0xc3000000 0x20 0x00000000 0x20 0x00000000 0x20 0x00000000>; /* mem prefetchable */ |
| num-lanes = <0x8>; |
| interrupts = <56>, <57>, <58>, <59>, <60>, <61>, <62>, <63>, <64>; |
| interrupt-names = "msi", "inta", "intb", "intc", "intd"; |
| interrupt-parent = <&plic0>; |
| interrupt-map-mask = <0x0 0x0 0x0 0x7>; |
| interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>, |
| <0x0 0x0 0x0 0x2 &plic0 58>, |
| <0x0 0x0 0x0 0x3 &plic0 59>, |
| <0x0 0x0 0x0 0x4 &plic0 60>; |
| clock-names = "pcie_aux"; |
| clocks = <&prci PRCI_CLK_PCIE_AUX>; |
| resets = <&prci 4>; |
| pwren-gpios = <&gpio 5 0>; |
| reset-gpios = <&gpio 8 0>; |
| }; |
| }; |
