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From: "Rob Herring (Arm)" <robh@kernel.org>
To: Kevin Chen <kevin_chen@aspeedtech.com>
Cc: joel@jms.id.au, conor+dt@kernel.org, krzk+dt@kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	andrew@codeconstruct.com.au, devicetree@vger.kernel.org,
	linux-aspeed@lists.ozlabs.org, tglx@linutronix.de
Subject: Re: [PATCH v4 1/2] dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC
Date: Wed, 16 Oct 2024 12:27:40 -0500	[thread overview]
Message-ID: <172909966003.2068484.893211890028147027.robh@kernel.org> (raw)
In-Reply-To: <20241016022410.1154574-2-kevin_chen@aspeedtech.com>


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@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@kernel.org>


  reply	other threads:[~2024-10-16 17:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-16  2:24 [PATCH v4 0/2] Add support for AST2700 INTC driver Kevin Chen
2024-10-16  2:24 ` [PATCH v4 1/2] dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC Kevin Chen
2024-10-16 17:27   ` Rob Herring (Arm) [this message]
2024-10-17 19:43   ` [tip: irq/core] " tip-bot2 for Kevin Chen
2024-10-16  2:24 ` [PATCH v4 2/2] irqchip/aspeed-intc: Add AST27XX INTC support Kevin Chen
2024-10-17 19:43   ` [tip: irq/core] " tip-bot2 for Kevin Chen

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