From: Conor Dooley <conor@kernel.org>
To: Lucas Zampieri <lzampier@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Charles Mirabile <cmirabil@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Samuel Holland <samuel.holland@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Vivian Wang <dramforever@live.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH v3 2/3] dt-bindings: interrupt-controller: add UltraRISC DP1000 PLIC
Date: Tue, 14 Oct 2025 18:44:36 +0100 [thread overview]
Message-ID: <20251014-petted-papyrus-435129236562@spud> (raw)
In-Reply-To: <20251014154100.168236-3-lzampier@redhat.com>
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On Tue, Oct 14, 2025 at 04:40:56PM +0100, Lucas Zampieri wrote:
> From: Charles Mirabile <cmirabil@redhat.com>
>
> Add compatible strings for the PLIC found in UltraRISC DP1000 SoC.
>
> The PLIC is part of the UR-CP100 core and has a hardware bug requiring
> a workaround, so the driver will match on the more generic core-specific
> compatible (ultrarisc,cp100-plic) to apply the quirk across all SoCs
> using UR-CP100 cores.
The exact driver behaviour itself is not really appropriate here, all
you need to do is say that the core has the bug!
With the prescriptive bit about driver matching behaviour removed,
Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: changes-requested
>
> Signed-off-by: Charles Mirabile <cmirabil@redhat.com>
> Signed-off-by: Lucas Zampieri <lzampier@redhat.com>
> ---
> .../bindings/interrupt-controller/sifive,plic-1.0.0.yaml | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> index 5b827bc24301..34591d64cca3 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
> @@ -74,6 +74,9 @@ properties:
> - sophgo,sg2044-plic
> - thead,th1520-plic
> - const: thead,c900-plic
> + - items:
> + - const: ultrarisc,dp1000-plic
> + - const: ultrarisc,cp100-plic
> - items:
> - const: sifive,plic-1.0.0
> - const: riscv,plic0
> --
> 2.51.0
>
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next prev parent reply other threads:[~2025-10-14 17:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-14 15:40 [PATCH v3 0/3] Add UltraRISC DP1000 PLIC support Lucas Zampieri
2025-10-14 15:40 ` [PATCH v3 1/3] dt-bindings: vendor-prefixes: add UltraRISC Lucas Zampieri
2025-10-14 15:40 ` [PATCH v3 2/3] dt-bindings: interrupt-controller: add UltraRISC DP1000 PLIC Lucas Zampieri
2025-10-14 17:44 ` Conor Dooley [this message]
2025-10-14 15:40 ` [PATCH v3 3/3] irqchip/plic: add support for " Lucas Zampieri
2025-10-14 16:09 ` Samuel Holland
2025-10-14 16:28 ` Charles Mirabile
2025-10-14 16:45 ` Samuel Holland
2025-10-14 16:51 ` Charles Mirabile
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