xref: /linux/Documentation/devicetree/bindings/pci/fsl,pci.txt (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1*00406e87SAaron Sierra* Bus Enumeration by Freescale PCI-X Agent
2*00406e87SAaron Sierra
3*00406e87SAaron SierraTypically any Freescale PCI-X bridge hardware strapped into Agent mode
4*00406e87SAaron Sierrais prevented from enumerating the bus. The PrPMC form-factor requires
5*00406e87SAaron Sierraall mezzanines to be PCI-X Agents, but one per system may still
6*00406e87SAaron Sierraenumerate the bus.
7*00406e87SAaron Sierra
8*00406e87SAaron SierraThe property defined below will allow a PCI-X bridge to be used for bus
9*00406e87SAaron Sierraenumeration despite being strapped into Agent mode.
10*00406e87SAaron Sierra
11*00406e87SAaron SierraRequired properties:
12*00406e87SAaron Sierra- fsl,pci-agent-force-enum : There is no value associated with this
13*00406e87SAaron Sierra  property. The property itself is treated as a boolean.
14*00406e87SAaron Sierra
15*00406e87SAaron SierraExample:
16*00406e87SAaron Sierra
17*00406e87SAaron Sierra	/* PCI-X bridge known to be PrPMC Monarch */
18*00406e87SAaron Sierra	pci0: pci@ef008000 {
19*00406e87SAaron Sierra		fsl,pci-agent-force-enum;
20*00406e87SAaron Sierra		#interrupt-cells = <1>;
21*00406e87SAaron Sierra		#size-cells = <2>;
22*00406e87SAaron Sierra		#address-cells = <3>;
23*00406e87SAaron Sierra		compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci";
24*00406e87SAaron Sierra		device_type = "pci";
25*00406e87SAaron Sierra		...
26*00406e87SAaron Sierra		...
27*00406e87SAaron Sierra	};
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