1 Keystone 2 IRQ controller IP
3 On Keystone SOCs, DSP cores can send interrupts to ARM
4 host using the IRQ controller IP. It provides 28 IRQ signals to ARM.
5 The IRQ handler running on HOST OS can identify DSP signal source by
6 analyzing SRCCx bits in IPCARx registers. This is one of the component
7 used by the IPC mechanism used on Keystone SOCs.
10 - compatible: should be "ti,keystone-irq"
11 - ti,syscon-dev : phandle and offset pair. The phandle to syscon used to
12 access device control registers and the offset inside
13 device control registers range.
14 - interrupt-controller : Identifies the node as an interrupt controller
15 - #interrupt-cells : Specifies the number of cells needed to encode interrupt
17 - interrupts: interrupt reference to primary interrupt controller
19 Please refer to interrupts.txt in this directory for details of the common
20 Interrupt Controllers bindings used by client devices.
23 kirq0: keystone_irq0@026202a0 {
24 compatible = "ti,keystone-irq";
25 ti,syscon-dev = <&devctrl 0x2a0>;
26 interrupts = <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>;
28 #interrupt-cells = <1>;
32 compatible = "linux,rproc-user";
34 interrupt-parent = <&kirq0>;