| # 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) bindings |
| |
| maintainers: |
| - Amelie Delaunay <amelie.delaunay@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>; |
| }; |
| |
| ... |
| |
