[deliverable/linux.git] / Documentation / devicetree / bindings / pci / altera-pcie-msi.txt

* Altera PCIe MSI controller

Required properties:
- compatible:	should contain "altr,msi-1.0"
- reg:		specifies the physical base address of the controller and
		the length of the memory mapped region.
- reg-names:	must include the following entries:
		"csr": CSR registers
		"vector_slave": vectors slave port region
- interrupt-parent:	interrupt source phandle.
- interrupts:	specifies the interrupt source of the parent interrupt
		controller. The format of the interrupt specifier depends on the
		parent interrupt controller.
- num-vectors:	number of vectors, range 1 to 32.
- msi-controller:	indicates that this is MSI controller node


Example
msi0: msi@0xFF200000 {
	compatible = "altr,msi-1.0";
	reg = <0xFF200000 0x00000010
		0xFF200010 0x00000080>;
	reg-names = "csr", "vector_slave";
	interrupt-parent = <&hps_0_arm_gic_0>;
	interrupts = <0 42 4>;
	msi-controller;
	num-vectors = <32>;
};
Commit	Line	Data
af1169b4 LFT	1	* Altera PCIe MSI controller
	2
	3	Required properties:
	4	- compatible: should contain "altr,msi-1.0"
	5	- reg: specifies the physical base address of the controller and
	6	the length of the memory mapped region.
	7	- reg-names: must include the following entries:
	8	"csr": CSR registers
	9	"vector_slave": vectors slave port region
	10	- interrupt-parent: interrupt source phandle.
	11	- interrupts: specifies the interrupt source of the parent interrupt
	12	controller. The format of the interrupt specifier depends on the
	13	parent interrupt controller.
	14	- num-vectors: number of vectors, range 1 to 32.
	15	- msi-controller: indicates that this is MSI controller node
	16
	17
	18	Example
	19	msi0: msi@0xFF200000 {
	20	compatible = "altr,msi-1.0";
	21	reg = <0xFF200000 0x00000010
	22	0xFF200010 0x00000080>;
	23	reg-names = "csr", "vector_slave";
	24	interrupt-parent = <&hps_0_arm_gic_0>;
	25	interrupts = <0 42 4>;
	26	msi-controller;
	27	num-vectors = <32>;
	28	};