tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/dma/st,stm32-dmamux.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 DMA MUX (DMA request router) bindings
8
9maintainers:
10 - Amelie Delaunay <amelie.delaunay@foss.st.com>
11
12allOf:
13 - $ref: "dma-router.yaml#"
14
15properties:
16 "#dma-cells":
17 const: 3
18
19 compatible:
20 const: st,stm32h7-dmamux
21
22 reg:
23 maxItems: 1
24
25 clocks:
26 maxItems: 1
27
28 resets:
29 maxItems: 1
30
31required:
32 - compatible
33 - reg
34 - dma-masters
35
36unevaluatedProperties: false
37
38examples:
39 - |
40 #include <dt-bindings/interrupt-controller/arm-gic.h>
41 #include <dt-bindings/clock/stm32mp1-clks.h>
42 #include <dt-bindings/reset/stm32mp1-resets.h>
43 dma-router@40020800 {
44 compatible = "st,stm32h7-dmamux";
45 reg = <0x40020800 0x3c>;
46 #dma-cells = <3>;
47 dma-requests = <128>;
48 dma-channels = <16>;
49 dma-masters = <&dma1>, <&dma2>;
50 clocks = <&timer_clk>;
51 };
52
53...
54