2 * Copyright (c) 2016, NVIDIA CORPORATION.
4 * SPDX-License-Identifier: GPL-2.0
10 #include <reset-uclass.h>
11 #include <asm/arch-tegra/bpmp_abi.h>
13 static int tegra186_reset_request(struct reset_ctl *reset_ctl)
15 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
16 reset_ctl->dev, reset_ctl->id);
21 static int tegra186_reset_free(struct reset_ctl *reset_ctl)
23 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
24 reset_ctl->dev, reset_ctl->id);
29 static int tegra186_reset_common(struct reset_ctl *reset_ctl,
30 enum mrq_reset_commands cmd)
32 struct mrq_reset_request req;
36 req.reset_id = reset_ctl->id;
38 ret = misc_call(reset_ctl->dev->parent, MRQ_RESET, &req, sizeof(req),
46 static int tegra186_reset_assert(struct reset_ctl *reset_ctl)
48 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
49 reset_ctl->dev, reset_ctl->id);
51 return tegra186_reset_common(reset_ctl, CMD_RESET_ASSERT);
54 static int tegra186_reset_deassert(struct reset_ctl *reset_ctl)
56 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
57 reset_ctl->dev, reset_ctl->id);
59 return tegra186_reset_common(reset_ctl, CMD_RESET_DEASSERT);
62 struct reset_ops tegra186_reset_ops = {
63 .request = tegra186_reset_request,
64 .free = tegra186_reset_free,
65 .rst_assert = tegra186_reset_assert,
66 .rst_deassert = tegra186_reset_deassert,
69 static int tegra186_reset_probe(struct udevice *dev)
71 debug("%s(dev=%p)\n", __func__, dev);
76 U_BOOT_DRIVER(tegra186_reset) = {
77 .name = "tegra186_reset",
79 .probe = tegra186_reset_probe,
80 .ops = &tegra186_reset_ops,