68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2016, NVIDIA CORPORATION.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <dm/lists.h>
|
|
#include <dm/root.h>
|
|
|
|
/**
|
|
* The CAR exposes multiple different services. We create a sub-device for
|
|
* each separate type of service, since each device must be of the appropriate
|
|
* UCLASS.
|
|
*/
|
|
static int tegra_car_bpmp_bind(struct udevice *dev)
|
|
{
|
|
int ret;
|
|
struct udevice *child;
|
|
|
|
debug("%s(dev=%p)\n", __func__, dev);
|
|
|
|
ret = device_bind_driver_to_node(dev, "tegra_car_clk", "tegra_car_clk",
|
|
dev_ofnode(dev), &child);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = device_bind_driver_to_node(dev, "tegra_car_reset",
|
|
"tegra_car_reset", dev_ofnode(dev),
|
|
&child);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra_car_bpmp_probe(struct udevice *dev)
|
|
{
|
|
debug("%s(dev=%p)\n", __func__, dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra_car_bpmp_remove(struct udevice *dev)
|
|
{
|
|
debug("%s(dev=%p)\n", __func__, dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id tegra_car_bpmp_ids[] = {
|
|
{ .compatible = "nvidia,tegra20-car" },
|
|
{ .compatible = "nvidia,tegra30-car" },
|
|
{ .compatible = "nvidia,tegra114-car" },
|
|
{ .compatible = "nvidia,tegra124-car" },
|
|
{ .compatible = "nvidia,tegra210-car" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(tegra_car_bpmp) = {
|
|
.name = "tegra_car",
|
|
.id = UCLASS_MISC,
|
|
.of_match = tegra_car_bpmp_ids,
|
|
.bind = tegra_car_bpmp_bind,
|
|
.probe = tegra_car_bpmp_probe,
|
|
.remove = tegra_car_bpmp_remove,
|
|
};
|