[PATCH V7 2/2] dt-bindings: interrupt-controller: C-SKY APB intc
From: Guo Ren <hidden>
Date: 2018-09-18 13:49:57
Also in:
linux-arch, lkml
Subsystem:
c-sky architecture, irqchip drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Guo Ren, Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
- Dt-bindings doc about C-SKY apb bus interrupt controller. Signed-off-by: Guo Ren <redacted> --- .../interrupt-controller/csky,apb-intc.txt | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt
diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt
new file mode 100644
index 0000000..be7c3d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt@@ -0,0 +1,70 @@ +============================== +C-SKY APB Interrupt Controller +============================== + +C-SKY APB Interrupt Controller is a simple soc interrupt controller +on the apb bus and we only use it as root irq controller. + + - csky,apb-intc is used in a lot of csky fpgas and socs, it support 64 irq nums. + - csky,dual-apb-intc consists of 2 apb-intc and 128 irq nums supported. + - csky,gx6605s-intc is gx6605s soc internal irq interrupt controller, 64 irq nums. + +============================= +intc node bindings definition +============================= + + Description: Describes APB interrupt controller + + PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: must be "csky,apb-intc" + "csky,dual-apb-intc" + "csky,gx6605s-intc" + - #interrupt-cells + Usage: required + Value type: <u32> + Definition: must be <1> + - reg + Usage: required + Value type: <u32 u32> + Definition: <phyaddr size> in soc from cpu view + - interrupt-controller: + Usage: required + - support-pulse-signal: + Usage: select + Description: to support pulse signal flag + +Examples: +--------- + + intc: interrupt-controller@500000 { + compatible = "csky,apb-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + }; + + intc: interrupt-controller@500000 { + compatible = "csky,apb-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + support-pulse-signal; + }; + + intc: interrupt-controller@500000 { + compatible = "csky,dual-apb-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + }; + + intc: interrupt-controller@500000 { + compatible = "csky,gx6605s-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + };
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2.7.4