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diff --git a/Bindings/timer/loongson,ls1x-pwmtimer.yaml b/Bindings/timer/loongson,ls1x-pwmtimer.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/loongson,ls1x-pwmtimer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson-1 PWM timer
+
+maintainers:
+ - Keguang Zhang <keguang.zhang@gmail.com>
+
+description:
+ Loongson-1 PWM timer can be used for system clock source
+ and clock event timers.
+
+properties:
+ compatible:
+ const: loongson,ls1b-pwmtimer
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/loongson,ls1x-clk.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ clocksource: timer@1fe5c030 {
+ compatible = "loongson,ls1b-pwmtimer";
+ reg = <0x1fe5c030 0x10>;
+
+ clocks = <&clkc LS1X_CLKID_APB>;
+ interrupt-parent = <&intc0>;
+ interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+ };