1 Keystone 2 IRQ controller IP
2
3 On Keystone SOCs, DSP cores can send interrupt
4 host using the IRQ controller IP. It provides
5 The IRQ handler running on HOST OS can identif
6 analyzing SRCCx bits in IPCARx registers. This
7 used by the IPC mechanism used on Keystone SOC
8
9 Required Properties:
10 - compatible: should be "ti,keystone-irq"
11 - ti,syscon-dev : phandle and offset pair. The
12 access device control
13 device control registe
14 - interrupt-controller : Identifies the node a
15 - #interrupt-cells : Specifies the number of c
16 sourc
17 - interrupts: interrupt reference to primary i
18
19 Please refer to interrupts.txt in this directo
20 Interrupt Controllers bindings used by client
21
22 Example:
23 kirq0: keystone_irq0@26202a0 {
24 compatible = "ti,keystone-irq"
25 ti,syscon-dev = <&devctrl 0x2a
26 interrupts = <GIC_SPI 4 IRQ_TY
27 interrupt-controller;
28 #interrupt-cells = <1>;
29 };
30
31 dsp0: dsp0 {
32 compatible = "linux,rproc-user
33 ...
34 interrupt-parent = <&kirq0>;
35 interrupts = <10 2>;
36 };
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