From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../interrupt-controller/loongson,pch-pic.yaml     | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml

(limited to 'Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml')

diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
new file mode 100644
index 0000000000..b7bc5cb1df
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson PCH PIC Controller
+
+maintainers:
+  - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description:
+  This interrupt controller is found in the Loongson LS7A family of PCH for
+  transforming interrupts from on-chip devices into HyperTransport vectorized
+  interrupts.
+
+properties:
+  compatible:
+    const: loongson,pch-pic-1.0
+
+  reg:
+    maxItems: 1
+
+  loongson,pic-base-vec:
+    description:
+      u32 value of the base of parent HyperTransport vector allocated
+      to PCH PIC.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 192
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - loongson,pic-base-vec
+  - interrupt-controller
+  - '#interrupt-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    pic: interrupt-controller@10000000 {
+      compatible = "loongson,pch-pic-1.0";
+      reg = <0x10000000 0x400>;
+      interrupt-controller;
+      #interrupt-cells = <2>;
+      loongson,pic-base-vec = <64>;
+      interrupt-parent = <&htvec>;
+    };
+...
-- 
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