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Message-Id: <20240221022647.5297-2-changhuang.liang@starfivetech.com>
Date: Tue, 20 Feb 2024 18:26:46 -0800
From: Changhuang Liang <changhuang.liang@...rfivetech.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: Ley Foon Tan <leyfoon.tan@...rfivetech.com>,
Jack Zhu <jack.zhu@...rfivetech.com>,
Changhuang Liang <changhuang.liang@...rfivetech.com>,
linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: interrupt-controller: Add starfive,jh8100-intc
StarFive SoCs like the JH8100 use a interrupt controller. Add a binding
for it.
Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
Reviewed-by: Ley Foon Tan <leyfoon.tan@...rfivetech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../starfive,jh8100-intc.yaml | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/starfive,jh8100-intc.yaml
diff --git a/Documentation/devicetree/bindings/interrupt-controller/starfive,jh8100-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/starfive,jh8100-intc.yaml
new file mode 100644
index 000000000000..ada5788602d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/starfive,jh8100-intc.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/starfive,jh8100-intc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive External Interrupt Controller
+
+description:
+ StarFive SoC JH8100 contain a external interrupt controller. It can be used
+ to handle high-level input interrupt signals. It also send the output
+ interrupt signal to RISC-V PLIC.
+
+maintainers:
+ - Changhuang Liang <changhuang.liang@...rfivetech.com>
+
+properties:
+ compatible:
+ const: starfive,jh8100-intc
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ description: APB clock for the interrupt controller
+ maxItems: 1
+
+ resets:
+ description: APB reset for the interrupt controller
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - resets
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ interrupt-controller@...60000 {
+ compatible = "starfive,jh8100-intc";
+ reg = <0x12260000 0x10000>;
+ clocks = <&syscrg_ne 76>;
+ resets = <&syscrg_ne 13>;
+ interrupts = <45>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
--
2.25.1
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