Eric Lee / smarc-fsl-linux-kernel

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Commit 69d812f5eb249bf30069f81dd508aa4548ec6eb1

Authored by Guo Ren
1 parent e7534198ab

dt-bindings: interrupt-controller: Update csky mpintc 

Add trigger type 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.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Rob Herring <robh+dt@kernel.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>

Showing 1 changed file with 16 additions and 4 deletions Side-by-side Diff

Documentation/devicetree/bindings/interrupt-controller/csky,mpintc.txt
Diff comments   View file @ 69d812f
... ... @@ -6,11 +6,16 @@
6 6 SMP soc, and it also could be used in non-SMP system.
7 7  
8 8 Interrupt number definition:
9   -
10 9 0-15 : software irq, and we use 15 as our IPI_IRQ.
11 10 16-31 : private irq, and we use 16 as the co-processor timer.
12 11 31-1024: common irq for soc ip.
13 12  
  13 +Interrupt triger mode: (Defined in dt-bindings/interrupt-controller/irq.h)
  14 + IRQ_TYPE_LEVEL_HIGH (default)
  15 + IRQ_TYPE_LEVEL_LOW
  16 + IRQ_TYPE_EDGE_RISING
  17 + IRQ_TYPE_EDGE_FALLING
  18 +
14 19 =============================
15 20 intc node bindings definition
16 21 =============================
17 22  
18 23  
19 24  
20 25  
... ... @@ -26,16 +31,23 @@
26 31 - #interrupt-cells
27 32 Usage: required
28 33 Value type: <u32>
29   - Definition: must be <1>
  34 + Definition: <2>
30 35 - interrupt-controller:
31 36 Usage: required
32 37  
33   -Examples:
  38 +Examples: ("interrupts = <irq_num IRQ_TYPE_XXX>")
34 39 ---------
  40 +#include <dt-bindings/interrupt-controller/irq.h>
35 41  
36 42 intc: interrupt-controller {
37 43 compatible = "csky,mpintc";
38   - #interrupt-cells = <1>;
  44 + #interrupt-cells = <2>;
39 45 interrupt-controller;
  46 + };
  47 +
  48 + device: device-example {
  49 + ...
  50 + interrupts = <34 IRQ_TYPE_EDGE_RISING>;
  51 + interrupt-parent = <&intc>;
40 52 };