[irqchip: irq/irqchip-next] dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support

[irqchip-bot for Bert Vermeulen]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     4a2b92a5d3519fc2c1edda4d4aa0e05bff41e8de
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/4a2b92a5d3519fc2c1edda4d4aa0e05bff41e8de
Author:        Bert Vermeulen <bert@xxxxxxxx>
AuthorDate:    Fri, 22 Jan 2021 21:42:23 +01:00
Committer:     Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Thu, 04 Feb 2021 10:36:15 

dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support

Document the binding for the Realtek RTL838x/RTL839x interrupt controller.

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Bert Vermeulen <bert@xxxxxxxx>
[maz: Add a commit message, as the author couldn't be bothered...]
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210122204224.509124-2-bert@xxxxxxxx
---
 Documentation/devicetree/bindings/interrupt-controller/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 0000000..9e76fff
--- /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@xxxxxxxxxxxxxxxxx>
+  - Bert Vermeulen <bert@xxxxxxxx>
+  - John Crispin <john@xxxxxxxxxxx>
+
+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@3000 {
+      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>;
+    };