[PATCH V3 22/27] dt-bindings: interrupt-controller: C-SKY SMP intc
From: Guo Ren <hidden>
Date: 2018-09-12 13:25:58
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
Signed-off-by: Guo Ren <redacted> --- .../bindings/interrupt-controller/csky,mpintc.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
new file mode 100644
index 0000000..49d1658
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt@@ -0,0 +1,40 @@ +=========================================== +C-SKY Multi-processors Interrupt Controller +=========================================== + +C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860 +SMP soc, and it also could be used in non-SMP system. + +Interrupt number definition: + + 0-15 : software irq, and we use 15 as our IPI_IRQ. + 16-31 : private irq, and we use 16 as the co-processor timer. + 31-1024: common irq for soc ip. + +============================= +intc node bindings definition +============================= + + Description: Describes SMP interrupt controller + + PROPERTIES + + - compatible + Usage: required + Value type: <string> + Definition: must be "csky,mpintc" + - interrupt-cells + Usage: required + Value type: <u32> + Definition: must be <1> + - interrupt-controller: + Usage: required + +Examples: +--------- + + intc: interrupt-controller { + compatible = "csky,mpintc"; + #interrupt-cells = <1>; + interrupt-controller; + };
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2.7.4