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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/st,stm32-dmamux.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 DMA MUX (DMA request router)
+
+maintainers:
+ - Amelie Delaunay <amelie.delaunay@foss.st.com>
+
+allOf:
+ - $ref: dma-router.yaml#
+
+properties:
+ "#dma-cells":
+ const: 3
+
+ compatible:
+ const: st,stm32h7-dmamux
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - dma-masters
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/stm32mp1-clks.h>
+ #include <dt-bindings/reset/stm32mp1-resets.h>
+ dma-router@40020800 {
+ compatible = "st,stm32h7-dmamux";
+ reg = <0x40020800 0x3c>;
+ #dma-cells = <3>;
+ dma-requests = <128>;
+ dma-channels = <16>;
+ dma-masters = <&dma1>, <&dma2>;
+ clocks = <&timer_clk>;
+ };
+
+...