mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
d926695cc5
Display Port (DP) has own dma driver that's why add this skeleton driver only for handling power domain setting and send configuration object to PMUFW to enable it. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/fe8bc313bcd430b04e9fa6fb770d5799ef28b350.1645627920.git.michal.simek@xilinx.com
43 lines
859 B
C
43 lines
859 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2021 Xilinx Inc.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <cpu_func.h>
|
|
#include <dm.h>
|
|
#include <dma.h>
|
|
#include <dma-uclass.h>
|
|
#include <errno.h>
|
|
#include <dm/device_compat.h>
|
|
|
|
/**
|
|
* struct zynqmp_dpdma_priv - Private structure
|
|
* @dev: Device uclass for video_ops
|
|
*/
|
|
struct zynqmp_dpdma_priv {
|
|
struct udevice *dev;
|
|
};
|
|
|
|
static int zynqmp_dpdma_probe(struct udevice *dev)
|
|
{
|
|
/* Only placeholder for power domain driver */
|
|
return 0;
|
|
}
|
|
|
|
static const struct dma_ops zynqmp_dpdma_ops = {
|
|
};
|
|
|
|
static const struct udevice_id zynqmp_dpdma_ids[] = {
|
|
{ .compatible = "xlnx,zynqmp-dpdma" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(zynqmp_dpdma) = {
|
|
.name = "zynqmp_dpdma",
|
|
.id = UCLASS_DMA,
|
|
.of_match = zynqmp_dpdma_ids,
|
|
.ops = &zynqmp_dpdma_ops,
|
|
.probe = zynqmp_dpdma_probe,
|
|
.priv_auto = sizeof(struct zynqmp_dpdma_priv),
|
|
};
|