bindings/pci/pci-msi.txt

2 relationship between PCI devices and MSI controllers.
18 Requester ID. A mechanism is required to associate a device with both the MSI
22 For generic MSI bindings, see
32 - msi-map: Maps a Requester ID to an MSI controller and associated
38   * msi-controller is a single phandle to an MSI controller
52 - msi-parent: Describes the MSI parent of the root complex itself. Where
53   the root complex and MSI controller do not pass sideband data with MSI
54   writes, this property may be used to describe the MSI controller(s)
79 		 * The sideband data provided to the MSI controller is
107 		 * The sideband data provided to the MSI controller is
136 		 * The sideband data provided to the MSI controller is
166 		 * The sideband data provided to the MSI controller is
210 		 * The sideband data provided to MSI controller a is the
212 		 * The sideband data provided to MSI controller b is the
214 		 * MSI controller c is not addressable.