From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Sagar Kadam <sagar.kadam@sifive.com>,
devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Prabhakar <prabhakar.csengg@gmail.com>,
Phil Edworthy <phil.edworthy@renesas.com>,
Biju Das <biju.das.jz@bp.renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: [PATCH RFC 1/2] dt-bindings: interrupt-controller: sifive, plic: Document Renesas RZ/Five SoC
Date: Tue, 24 May 2022 18:22:13 +0100 [thread overview]
Message-ID: <20220524172214.5104-2-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)
In-Reply-To: <20220524172214.5104-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Document Renesas RZ/Five (R9A07G043) SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
.../sifive,plic-1.0.0.yaml | 38 +++++++++++++++++--
1 file changed, 35 insertions(+), 3 deletions(-)
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 27092c6a86c4..78ff31cb63e5 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
@@ -28,7 +28,10 @@ description:
While the PLIC supports both edge-triggered and level-triggered interrupts,
interrupt handlers are oblivious to this distinction and therefore it is not
- specified in the PLIC device-tree binding.
+ specified in the PLIC device-tree binding for SiFive PLIC (and similar PLIC's),
+ but for the Renesas RZ/Five Soc (AX45MP AndesCore) which has NCEPLIC100 we need
+ to specify the interrupt type as the flow for EDGE interrupts is different
+ compared to LEVEL interrupts.
While the RISC-V ISA doesn't specify a memory layout for the PLIC, the
"sifive,plic-1.0.0" device is a concrete implementation of the PLIC that
@@ -57,6 +60,7 @@ properties:
- enum:
- allwinner,sun20i-d1-plic
- const: thead,c900-plic
+ - const: renesas-r9a07g043-plic
reg:
maxItems: 1
@@ -64,8 +68,7 @@ properties:
'#address-cells':
const: 0
- '#interrupt-cells':
- const: 1
+ '#interrupt-cells': true
interrupt-controller: true
@@ -91,6 +94,35 @@ required:
- interrupts-extended
- riscv,ndev
+if:
+ properties:
+ compatible:
+ contains:
+ const: renesas-r9a07g043-plic
+then:
+ properties:
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ '#interrupt-cells':
+ const: 2
+
+ required:
+ - clocks
+ - resets
+ - power-domains
+
+else:
+ properties:
+ '#interrupt-cells':
+ const: 1
+
additionalProperties: false
examples:
--
2.25.1
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next prev parent reply other threads:[~2022-05-24 17:22 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-24 17:22 [PATCH RFC 0/2] Add PLIC support for Renesas RZ/Five SoC Lad Prabhakar
2022-05-24 17:22 ` Lad Prabhakar [this message]
2022-06-05 14:23 ` [PATCH RFC 1/2] dt-bindings: interrupt-controller: sifive,plic: Document " Rob Herring
2022-06-24 9:59 ` Lad, Prabhakar
2022-07-06 21:58 ` Rob Herring
2022-07-07 9:51 ` Marc Zyngier
2022-07-12 18:19 ` Rob Herring
2022-07-12 19:21 ` Marc Zyngier
2022-07-22 18:09 ` Rob Herring
2022-06-09 9:42 ` Geert Uytterhoeven
2022-06-24 10:01 ` Lad, Prabhakar
2022-05-24 17:22 ` [PATCH RFC 2/2] irqchip/sifive-plic: Add support for " Lad Prabhakar
2022-05-25 8:00 ` Geert Uytterhoeven
2022-05-25 9:00 ` Lad, Prabhakar
2022-05-25 9:35 ` Geert Uytterhoeven
2022-05-25 9:43 ` Lad, Prabhakar
2022-05-25 11:46 ` Geert Uytterhoeven
2022-05-27 11:05 ` Lad, Prabhakar
2022-06-06 15:41 ` Marc Zyngier
2022-06-07 12:41 ` Lad, Prabhakar
2022-06-08 10:27 ` Marc Zyngier
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