linux-kernel - [PATCH v3 1/2] dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support

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Message-Id: <20210120101018.237693-2-bert@biot.com>
Date:   Wed, 20 Jan 2021 11:10:17 +0100
From:   Bert Vermeulen <bert@...t.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Birger Koblitz <mail@...ger-koblitz.de>,
        John Crispin <john@...ozen.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Bert Vermeulen <bert@...t.com>
Subject: [PATCH v3 1/2] dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support

Signed-off-by: Bert Vermeulen <bert@...t.com>
---
 .../realtek,rtl-intc.yaml                     | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
new file mode 100644
index 000000000000..9e76fff20323
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/realtek,rtl-intc.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/realtek,rtl-intc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek RTL SoC interrupt controller devicetree bindings
+
+maintainers:
+  - Birger Koblitz <mail@...ger-koblitz.de>
+  - Bert Vermeulen <bert@...t.com>
+  - John Crispin <john@...ozen.org>
+
+properties:
+  compatible:
+    const: realtek,rtl-intc
+
+  "#interrupt-cells":
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-controller: true
+
+  "#address-cells":
+    const: 0
+
+  interrupt-map:
+    description: Describes mapping from SoC interrupts to CPU interrupts
+
+required:
+  - compatible
+  - reg
+  - "#interrupt-cells"
+  - interrupt-controller
+  - "#address-cells"
+  - interrupt-map
+
+additionalProperties: false
+
+examples:
+  - |
+    intc: interrupt-controller@...0 {
+      compatible = "realtek,rtl-intc";
+      #interrupt-cells = <1>;
+      interrupt-controller;
+      reg = <0x3000 0x20>;
+      #address-cells = <0>;
+      interrupt-map =
+              <31 &cpuintc 2>,
+              <30 &cpuintc 1>,
+              <29 &cpuintc 5>;
+    };
-- 
2.25.1