1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (C) 2021 Xilinx Inc.
4  */
5 
6 #include <common.h>
7 #include <cpu_func.h>
8 #include <dm.h>
9 #include <dma.h>
10 #include <dma-uclass.h>
11 #include <errno.h>
12 #include <dm/device_compat.h>
13 
14 /**
15  * struct zynqmp_dpdma_priv - Private structure
16  * @dev: Device uclass for video_ops
17  */
18 struct zynqmp_dpdma_priv {
19 	struct udevice *dev;
20 };
21 
zynqmp_dpdma_probe(struct udevice * dev)22 static int zynqmp_dpdma_probe(struct udevice *dev)
23 {
24 	/* Only placeholder for power domain driver */
25 	return 0;
26 }
27 
28 static const struct dma_ops zynqmp_dpdma_ops = {
29 };
30 
31 static const struct udevice_id zynqmp_dpdma_ids[] = {
32 	{ .compatible = "xlnx,zynqmp-dpdma" },
33 	{ }
34 };
35 
36 U_BOOT_DRIVER(zynqmp_dpdma) = {
37 	.name = "zynqmp_dpdma",
38 	.id = UCLASS_DMA,
39 	.of_match = zynqmp_dpdma_ids,
40 	.ops = &zynqmp_dpdma_ops,
41 	.probe = zynqmp_dpdma_probe,
42 	.priv_auto = sizeof(struct zynqmp_dpdma_priv),
43 };
44