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>
next prev parent 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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