1 Marvell GICP Controller 1 Marvell GICP Controller
2 ----------------------- 2 -----------------------
3 3
4 GICP is a Marvell extension of the GIC that al 4 GICP is a Marvell extension of the GIC that allows to trigger GIC SPI
5 interrupts by doing a memory transaction. It i 5 interrupts by doing a memory transaction. It is used by the ICU
6 located in the Marvell CP110 to turn wired int 6 located in the Marvell CP110 to turn wired interrupts inside the CP
7 into GIC SPI interrupts. 7 into GIC SPI interrupts.
8 8
9 Required properties: 9 Required properties:
10 10
11 - compatible: Must be "marvell,ap806-gicp" 11 - compatible: Must be "marvell,ap806-gicp"
12 12
13 - reg: Must be the address and size of the GIC 13 - reg: Must be the address and size of the GICP SPI registers
14 14
15 - marvell,spi-ranges: tuples of GIC SPI interr 15 - marvell,spi-ranges: tuples of GIC SPI interrupts ranges available
16 for this GICP 16 for this GICP
17 17
18 - msi-controller: indicates that this is an MS 18 - msi-controller: indicates that this is an MSI controller
19 19
20 Example: 20 Example:
21 21
22 gicp_spi: gicp-spi@3f0040 { 22 gicp_spi: gicp-spi@3f0040 {
23 compatible = "marvell,ap806-gicp"; 23 compatible = "marvell,ap806-gicp";
24 reg = <0x3f0040 0x10>; 24 reg = <0x3f0040 0x10>;
25 marvell,spi-ranges = <64 64>, <288 64> 25 marvell,spi-ranges = <64 64>, <288 64>;
26 msi-controller; 26 msi-controller;
27 }; 27 };
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