[PATCH V2 2/4] dt-bindings: i2c: add bindings for Loongson LS2X I2C

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Add device tree bindings for the i2c controller on the Loongson-2K Soc
or Loongosn LS7A bridge.

Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
 .../bindings/i2c/loongson,ls2x-i2c.yaml       | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml

diff --git a/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml
new file mode 100644
index 000000000000..8c785f329d2f
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/i2c/loongson,ls2x-i2c.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Loongson LS2X I2C Controller
+
+maintainers:
+  - Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
+
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - loongson,ls2k-i2c # Loongson-2K SoCs
+      - loongson,ls7a-i2c # Loongson LS7A Bridge
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c@1fe21000 {
+        compatible = "loongson,ls2k-i2c";
+        reg = <0 0x1fe21000 0 0x8>;
+        interrupts = <22>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        eeprom@57{
+            compatible = "atmel,24c16";
+            reg = <0x57>;
+            pagesize = <16>;
+        };
+    };
-- 
2.31.1




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