Squashed 'dts/upstream/' content from commit aaba2d45dc2a

git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/Bindings/mips/loongson/devices.yaml b/Bindings/mips/loongson/devices.yaml
new file mode 100644
index 0000000..099e40e
--- /dev/null
+++ b/Bindings/mips/loongson/devices.yaml
@@ -0,0 +1,54 @@
+# 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
+
+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
+
+      - description: LS1B based boards
+        items:
+          - enum:
+              - loongson,lsgz-1b-dev
+          - const: loongson,ls1b
+
+      - description: LS1C based boards
+        items:
+          - enum:
+              - loongmasses,smartloong-1c
+          - const: loongson,ls1c
+
+additionalProperties: true
+
+...