linux-kernel - [PATCH v4 1/2] dt-bindings: interrupt-controller: Add starfive,jh8100-intc

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Message-Id: <20240226055025.1669223-2-changhuang.liang@starfivetech.com>
Date: Sun, 25 Feb 2024 21:50:24 -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 v4 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