[PATCH v4 1/2] dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC

[Rob Herring (Arm)]

On Wed, 16 Oct 2024 10:24:09 +0800, Kevin Chen wrote:
> The ASPEED AST27XX interrupt controller(INTC) contains second level and
> third level interrupt controller.
> 
> INTC0:
> The second level INTC, which used to assert GIC if interrupt in INTC1 asserted.
> 
> INTC1_x:
> The third level INTC, which used to assert INTC0 if interrupt in modules
> of INTC asserted.
> 
> The relationship is like the following:
>   +-----+   +-------+     +---------+---module0
>   | GIC |---| INTC0 |--+--| INTC1_0 |---module1
>   |     |   |       |  |  |         |---...
>   +-----+   +-------+  |  +---------+---module31
>                        |
>                        |   +---------+---module0
>                        +---| INTC1_1 |---module1
>                        |   |         |---...
>                        |   +---------+---module31
>                       ...
>                        |   +---------+---module0
>                        +---| INTC1_5 |---module1
>                            |         |---...
>                            +---------+---module31
> 
> Signed-off-by: Kevin Chen <kevin_chen at aspeedtech.com>
> ---
>  .../aspeed,ast2700-intc.yaml                  | 86 +++++++++++++++++++
>  1 file changed, 86 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>