diff options
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt index ab921f1698fb..e13405355166 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt @@ -6,11 +6,16 @@ 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. +Interrupt triger mode: (Defined in dt-bindings/interrupt-controller/irq.h) + IRQ_TYPE_LEVEL_HIGH (default) + IRQ_TYPE_LEVEL_LOW + IRQ_TYPE_EDGE_RISING + IRQ_TYPE_EDGE_FALLING + ============================= intc node bindings definition ============================= @@ -26,15 +31,22 @@ intc node bindings definition - #interrupt-cells Usage: required Value type: <u32> - Definition: must be <1> + Definition: <2> - interrupt-controller: Usage: required -Examples: +Examples: ("interrupts = <irq_num IRQ_TYPE_XXX>") --------- +#include <dt-bindings/interrupt-controller/irq.h> intc: interrupt-controller { compatible = "csky,mpintc"; - #interrupt-cells = <1>; + #interrupt-cells = <2>; interrupt-controller; }; + + device: device-example { + ... + interrupts = <34 IRQ_TYPE_EDGE_RISING>; + interrupt-parent = <&intc>; + }; |