diff --git a/Bindings/perf/amlogic,g12-ddr-pmu.yaml b/Bindings/perf/amlogic,g12-ddr-pmu.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/perf/amlogic,g12-ddr-pmu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic G12 DDR performance monitor
+
+maintainers:
+  - Jiucheng Xu <jiucheng.xu@amlogic.com>
+
+description: |
+  Amlogic G12 series SoC integrate DDR bandwidth monitor.
+  A timer is inside and can generate interrupt when timeout.
+  The bandwidth is counted in the timer ISR. Different platform
+  has different subset of event format attribute.
+
+properties:
+  compatible:
+    enum:
+      - amlogic,g12a-ddr-pmu
+      - amlogic,g12b-ddr-pmu
+      - amlogic,sm1-ddr-pmu
+
+  reg:
+    items:
+      - description: DMC bandwidth register space.
+      - description: DMC PLL register space.
+
+  interrupts:
+    items:
+      - description: The IRQ of the inside timer timeout.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    pmu {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        pmu@ff638000 {
+            compatible = "amlogic,g12a-ddr-pmu";
+            reg = <0x0 0xff638000 0x0 0x100>,
+                  <0x0 0xff638c00 0x0 0x100>;
+            interrupts = <GIC_SPI 52 IRQ_TYPE_EDGE_RISING>;
+        };
+    };