xref: /freebsd/sys/contrib/device-tree/Bindings/interrupt-controller/al,alpine-msix.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotAlpine MSIX controller
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotSee arm,gic-v3.txt for SPI and MSI definitions.
4*c66ec88fSEmmanuel Vadot
5*c66ec88fSEmmanuel VadotRequired properties:
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel Vadot- compatible: should be "al,alpine-msix"
8*c66ec88fSEmmanuel Vadot- reg: physical base address and size of the registers
9*c66ec88fSEmmanuel Vadot- interrupt-controller: identifies the node as an interrupt controller
10*c66ec88fSEmmanuel Vadot- msi-controller: identifies the node as an PCI Message Signaled Interrupt
11*c66ec88fSEmmanuel Vadot		  controller
12*c66ec88fSEmmanuel Vadot- al,msi-base-spi: SPI base of the MSI frame
13*c66ec88fSEmmanuel Vadot- al,msi-num-spis: number of SPIs assigned to the MSI frame, relative to SPI0
14*c66ec88fSEmmanuel Vadot
15*c66ec88fSEmmanuel VadotExample:
16*c66ec88fSEmmanuel Vadot
17*c66ec88fSEmmanuel Vadotmsix: msix {
18*c66ec88fSEmmanuel Vadot	compatible = "al,alpine-msix";
19*c66ec88fSEmmanuel Vadot	reg = <0x0 0xfbe00000 0x0 0x100000>;
20*c66ec88fSEmmanuel Vadot	interrupt-parent = <&gic>;
21*c66ec88fSEmmanuel Vadot	interrupt-controller;
22*c66ec88fSEmmanuel Vadot	msi-controller;
23*c66ec88fSEmmanuel Vadot	al,msi-base-spi = <160>;
24*c66ec88fSEmmanuel Vadot	al,msi-num-spis = <160>;
25*c66ec88fSEmmanuel Vadot};
26