[PATCH v2 3/5] dt-bindings: Document Loongson RS780E PCH ACPI Controller

[Jiaxun Yang]

This controller is attached under ISA Bus and can be found
in Loongson-3 systems with RS780E PCH.

Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
 .../bindings/mips/loongson/rs780e-acpi.yaml   | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml

diff --git a/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
new file mode 100644
index 000000000000..d317897e1115
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mips/loongson/rs780e-acpi.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Loongson RS780E PCH ACPI Controller
+
+maintainers:
+  - Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
+
+description: |
+  This controller can be found in Loongson-3 systems with RS780E PCH.
+
+properties:
+  compatible:
+    const: loongson,rs780e-acpi
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    isa@0 {
+      compatible = "isa";
+      #address-cells = <2>;
+      #size-cells = <1>;
+      ranges = <1 0 0 0x1000>;
+
+      acpi@800 {
+        compatible = "loongson,rs780e-acpi";
+        reg = <1 0x800 0x100>;
+      };
+    };
+
+...
-- 
2.26.0.rc2