bindings/dma/fsl%2Cedma.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/fsl,edma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale enhanced Direct Memory Access(eDMA) Controller
10   The eDMA channels have multiplex capability by programmable
11   memory-mapped registers. channels are split into two groups, called
16   - Peng Fan <peng.fan@nxp.com>
21       - enum:
22           - fsl,vf610-edma
23           - fsl,imx7ulp-edma
24           - fsl,imx8qm-adma
25           - fsl,imx8qm-edma
26           - fsl,imx93-edma3
27           - fsl,imx93-edma4
28       - items:
29           - const: fsl,ls1028a-edma
30           - const: fsl,vf610-edma
40   interrupt-names:
44   "#dma-cells":
46       - 2
47       - 3
49   dma-channels:
57   clock-names:
61   big-endian:
64       eDMA are implemented in big endian mode, otherwise in little mode.
68   - "#dma-cells"
69   - compatible
70   - reg
71   - interrupts
72   - clocks
73   - dma-channels
76   - $ref: dma-controller.yaml#
77   - if:
82               - fsl,imx8qm-adma
83               - fsl,imx8qm-edma
84               - fsl,imx93-edma3
85               - fsl,imx93-edma4
88         "#dma-cells":
93         interrupt-names: false
94         clock-names:
96             - const: dma
100   - if:
104             const: fsl,vf610-edma
109         clock-names:
111             - const: dmamux0
112             - const: dmamux1
116         interrupt-names:
118             - const: edma-tx
119             - const: edma-err
123         "#dma-cells":
125         dma-channels:
128   - if:
132             const: fsl,imx7ulp-edma
137         clock-names:
139             - const: dma
140             - const: dmamux0
147         "#dma-cells":
149         dma-channels:
155   - |
156     #include <dt-bindings/interrupt-controller/arm-gic.h>
157     #include <dt-bindings/clock/vf610-clock.h>
159     edma0: dma-controller@40018000 {
160       #dma-cells = <2>;
161       compatible = "fsl,vf610-edma";
167       interrupt-names = "edma-tx", "edma-err";
168       dma-channels = <32>;
169       clock-names = "dmamux0", "dmamux1";
173   - |
174     #include <dt-bindings/interrupt-controller/arm-gic.h>
175     #include <dt-bindings/clock/imx7ulp-clock.h>
177     edma1: dma-controller@40080000 {
178       #dma-cells = <2>;
179       compatible = "fsl,imx7ulp-edma";
182       dma-channels = <32>;
199                    /* last is eDMA2-ERR interrupt */
201        clock-names = "dma", "dmamux0";
205   - |
206     #include <dt-bindings/interrupt-controller/arm-gic.h>
207     #include <dt-bindings/clock/imx93-clock.h>
209     dma-controller@44000000 {
210       compatible = "fsl,imx93-edma3";
212       #dma-cells = <3>;
213       dma-channels = <31>;
246         clock-names = "dma";