2 files changed, 84 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mips/loongson/devices.yaml b/Documentation/devicetree/bindings/mips/loongson/devices.yaml
new file mode 100644
index 000000000..9fee6708e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/loongson/devices.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mips/loongson/devices.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson based Platforms Device Tree Bindings
+
+maintainers:
+  - Jiaxun Yang <jiaxun.yang@flygoat.com>
+description: |
+  Devices with a Loongson CPU shall have the following properties.
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+
+      - description: Classic Loongson64 Quad Core + LS7A
+        items:
+          - const: loongson,loongson64c-4core-ls7a
+
+      - description: Classic Loongson64 Quad Core + RS780E
+        items:
+          - const: loongson,loongson64c-4core-rs780e
+
+      - description: Classic Loongson64 Octa Core + RS780E
+        items:
+          - const: loongson,loongson64c-8core-rs780e
+
+      - description: Generic Loongson64 Quad Core + LS7A
+        items:
+          - const: loongson,loongson64g-4core-ls7a
+
+      - description: Virtual Loongson64 Quad Core + VirtIO
+        items:
+          - const: loongson,loongson64v-4core-virtio
+
+additionalProperties: true
+
+...
diff --git a/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
new file mode 100644
index 000000000..7c0f90222
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$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@flygoat.com>
+
+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
+
+additionalProperties: false
+
+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>;
+      };
+    };
+
+...