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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/loongson,uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson UART
+
+maintainers:
+ - Haowei Zheng <zhenghaowei@loongson.cn>
+
+allOf:
+ - $ref: serial.yaml
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - loongson,ls7a-uart
+ - loongson,ls3a5000-uart
+ - loongson,ls2k2000-uart
+ - items:
+ - enum:
+ - loongson,ls2k1000-uart
+ - loongson,ls2k0500-uart
+ - const: loongson,ls7a-uart
+ - items:
+ - enum:
+ - loongson,ls2k1500-uart
+ - const: loongson,ls2k2000-uart
+ - items:
+ - enum:
+ - loongson,ls3a6000-uart
+ - const: loongson,ls3a5000-uart
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clock-frequency: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-frequency
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/clock/loongson,ls2k-clk.h>
+
+ serial@1fe20000 {
+ compatible = "loongson,ls2k1000-uart", "loongson,ls7a-uart";
+ reg = <0x1fe20000 0x10>;
+ clock-frequency = <125000000>;
+ interrupt-parent = <&liointc0>;
+ interrupts = <0x0 IRQ_TYPE_LEVEL_HIGH>;
+ };