From: Guo Ren <[email protected]> Add trigger type and priority setting for csky,mpintc. The driver also could support #interrupt-cells <1> and it wouldn't invalidate existing DTs. Here we only show the complete format.
Changes for V3: - Update commit msg about compatible Changes for V2: - change #interrupt-cells to <3> Signed-off-by: Guo Ren <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Rob Herring <[email protected]> --- .../bindings/interrupt-controller/csky,mpintc.txt | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt index ab921f1..dccd913 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt @@ -6,11 +6,18 @@ 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: + IRQ_TYPE_LEVEL_HIGH (default) + IRQ_TYPE_LEVEL_LOW + IRQ_TYPE_EDGE_RISING + IRQ_TYPE_EDGE_FALLING + +Interrupt priority range: 0-255 + ============================= intc node bindings definition ============================= @@ -26,15 +33,21 @@ intc node bindings definition - #interrupt-cells Usage: required Value type: <u32> - Definition: must be <1> + Definition: <3> - interrupt-controller: Usage: required -Examples: +Examples: ("interrupts = <irq_num IRQ_TYPE_XXX priority>") --------- intc: interrupt-controller { compatible = "csky,mpintc"; - #interrupt-cells = <1>; + #interrupt-cells = <3>; interrupt-controller; }; + + device: device-example { + ... + interrupts = <34 IRQ_TYPE_EDGE_RISING 254>; + interrupt-parent = <&intc>; + }; -- 2.7.4
