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Subject[PATCH 4/4] dt-bindings/irqchip/mbigen: add example of MBIGEN generate SPIs
Date
Now MBIGEN can support to generate SPIs by writing
GICD_SETSPIR. Add dt example to help document.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
.../interrupt-controller/hisilicon,mbigen-v2.txt | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt b/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
index a6813a0..298c033 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/hisilicon,mbigen-v2.txt
@@ -10,7 +10,7 @@ Hisilicon designed mbigen to collect and generate interrupt.


Non-pci devices can connect to mbigen and generate the
-interrupt by writing ITS register.
+interrupt by writing GICD or ITS register.

The mbigen chip and devices connect to mbigen have the following properties:

@@ -64,6 +64,13 @@ Examples:
num-pins = <2>;
#interrupt-cells = <2>;
};
+
+ mbigen_spi_example:spi_example {
+ interrupt-controller;
+ msi-parent = <&gic>;
+ num-pins = <2>;
+ #interrupt-cells = <2>;
+ };
};

Devices connect to mbigen required properties:
@@ -82,3 +89,11 @@ Examples:
interrupts = <656 1>,
<657 1>;
};
+
+ spi_example: spi0@0 {
+ compatible = "spi,example";
+ reg = <0 0 0 0>;
+ interrupt-parent = <&mbigen_spi_example>;
+ interrupts = <13 4>,
+ <14 4>;
+ };
--
1.8.3

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