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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0
Stephen Warrenf6417002016-09-13 10:45:57 -06002/*
3 * Copyright (c) 2016, NVIDIA CORPORATION.
Stephen Warrenf6417002016-09-13 10:45:57 -06004 */
5
6#include <common.h>
7#include <dm.h>
Simon Glass0f2af882020-05-10 11:40:05 -06008#include <log.h>
Stephen Warrenf6417002016-09-13 10:45:57 -06009#include <dm/lists.h>
10#include <dm/root.h>
11
12/**
13 * The CAR exposes multiple different services. We create a sub-device for
14 * each separate type of service, since each device must be of the appropriate
15 * UCLASS.
16 */
17static int tegra_car_bpmp_bind(struct udevice *dev)
18{
19 int ret;
20 struct udevice *child;
21
22 debug("%s(dev=%p)\n", __func__, dev);
23
24 ret = device_bind_driver_to_node(dev, "tegra_car_clk", "tegra_car_clk",
Simon Glasse6dd8da2017-05-18 20:09:07 -060025 dev_ofnode(dev), &child);
Stephen Warrenf6417002016-09-13 10:45:57 -060026 if (ret)
27 return ret;
28
29 ret = device_bind_driver_to_node(dev, "tegra_car_reset",
Simon Glasse6dd8da2017-05-18 20:09:07 -060030 "tegra_car_reset", dev_ofnode(dev),
Stephen Warrenf6417002016-09-13 10:45:57 -060031 &child);
32 if (ret)
33 return ret;
34
35 return 0;
36}
37
38static int tegra_car_bpmp_probe(struct udevice *dev)
39{
40 debug("%s(dev=%p)\n", __func__, dev);
41
42 return 0;
43}
44
45static int tegra_car_bpmp_remove(struct udevice *dev)
46{
47 debug("%s(dev=%p)\n", __func__, dev);
48
49 return 0;
50}
51
52static const struct udevice_id tegra_car_bpmp_ids[] = {
53 { .compatible = "nvidia,tegra20-car" },
54 { .compatible = "nvidia,tegra30-car" },
55 { .compatible = "nvidia,tegra114-car" },
56 { .compatible = "nvidia,tegra124-car" },
57 { .compatible = "nvidia,tegra210-car" },
58 { }
59};
60
61U_BOOT_DRIVER(tegra_car_bpmp) = {
62 .name = "tegra_car",
63 .id = UCLASS_MISC,
64 .of_match = tegra_car_bpmp_ids,
65 .bind = tegra_car_bpmp_bind,
66 .probe = tegra_car_bpmp_probe,
67 .remove = tegra_car_bpmp_remove,
68};