1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2016, NVIDIA CORPORATION.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <dm/lists.h>
10*4882a593Smuzhiyun #include <dm/root.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /**
13*4882a593Smuzhiyun * The CAR exposes multiple different services. We create a sub-device for
14*4882a593Smuzhiyun * each separate type of service, since each device must be of the appropriate
15*4882a593Smuzhiyun * UCLASS.
16*4882a593Smuzhiyun */
tegra_car_bpmp_bind(struct udevice * dev)17*4882a593Smuzhiyun static int tegra_car_bpmp_bind(struct udevice *dev)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun int ret;
20*4882a593Smuzhiyun struct udevice *child;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun debug("%s(dev=%p)\n", __func__, dev);
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun ret = device_bind_driver_to_node(dev, "tegra_car_clk", "tegra_car_clk",
25*4882a593Smuzhiyun dev_ofnode(dev), &child);
26*4882a593Smuzhiyun if (ret)
27*4882a593Smuzhiyun return ret;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ret = device_bind_driver_to_node(dev, "tegra_car_reset",
30*4882a593Smuzhiyun "tegra_car_reset", dev_ofnode(dev),
31*4882a593Smuzhiyun &child);
32*4882a593Smuzhiyun if (ret)
33*4882a593Smuzhiyun return ret;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun return 0;
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
tegra_car_bpmp_probe(struct udevice * dev)38*4882a593Smuzhiyun static int tegra_car_bpmp_probe(struct udevice *dev)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun debug("%s(dev=%p)\n", __func__, dev);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun return 0;
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun
tegra_car_bpmp_remove(struct udevice * dev)45*4882a593Smuzhiyun static int tegra_car_bpmp_remove(struct udevice *dev)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun debug("%s(dev=%p)\n", __func__, dev);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun static const struct udevice_id tegra_car_bpmp_ids[] = {
53*4882a593Smuzhiyun { .compatible = "nvidia,tegra20-car" },
54*4882a593Smuzhiyun { .compatible = "nvidia,tegra30-car" },
55*4882a593Smuzhiyun { .compatible = "nvidia,tegra114-car" },
56*4882a593Smuzhiyun { .compatible = "nvidia,tegra124-car" },
57*4882a593Smuzhiyun { .compatible = "nvidia,tegra210-car" },
58*4882a593Smuzhiyun { }
59*4882a593Smuzhiyun };
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun U_BOOT_DRIVER(tegra_car_bpmp) = {
62*4882a593Smuzhiyun .name = "tegra_car",
63*4882a593Smuzhiyun .id = UCLASS_MISC,
64*4882a593Smuzhiyun .of_match = tegra_car_bpmp_ids,
65*4882a593Smuzhiyun .bind = tegra_car_bpmp_bind,
66*4882a593Smuzhiyun .probe = tegra_car_bpmp_probe,
67*4882a593Smuzhiyun .remove = tegra_car_bpmp_remove,
68*4882a593Smuzhiyun };
69