1*4882a593SmuzhiyunSocionext SynQuacer External Interrupt Unit (EXIU)
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThe Socionext Synquacer SoC has an external interrupt unit (EXIU)
4*4882a593Smuzhiyunthat forwards a block of 32 configurable input lines to 32 adjacent
5*4882a593Smuzhiyunlevel-high type GICv3 SPIs.
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7*4882a593SmuzhiyunRequired properties:
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9*4882a593Smuzhiyun- compatible           : Should be "socionext,synquacer-exiu".
10*4882a593Smuzhiyun- reg                  : Specifies base physical address and size of the
11*4882a593Smuzhiyun                         control registers.
12*4882a593Smuzhiyun- interrupt-controller : Identifies the node as an interrupt controller.
13*4882a593Smuzhiyun- #interrupt-cells     : Specifies the number of cells needed to encode an
14*4882a593Smuzhiyun                         interrupt source. The value must be 3.
15*4882a593Smuzhiyun- socionext,spi-base   : The SPI number of the first SPI of the 32 adjacent
16*4882a593Smuzhiyun                         ones the EXIU forwards its interrups to.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunNotes:
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20*4882a593Smuzhiyun- Only SPIs can use the EXIU as an interrupt parent.
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22*4882a593SmuzhiyunExample:
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24*4882a593Smuzhiyun	exiu: interrupt-controller@510c0000 {
25*4882a593Smuzhiyun		compatible = "socionext,synquacer-exiu";
26*4882a593Smuzhiyun		reg = <0x0 0x510c0000 0x0 0x20>;
27*4882a593Smuzhiyun		interrupt-controller;
28*4882a593Smuzhiyun		interrupt-parent = <&gic>;
29*4882a593Smuzhiyun		#interrupt-cells = <3>;
30*4882a593Smuzhiyun		socionext,spi-base = <112>;
31*4882a593Smuzhiyun	};
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