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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
access-controllers:
minItems: 1
maxItems: 2
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>;
};
...
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