u-boot/drivers/reset/tegra-car-reset.c
Simon Glass f7ae49fc4f common: Drop log.h from common header
Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 21:19:18 -04:00

73 lines
1.6 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016, NVIDIA CORPORATION.
*/
#include <common.h>
#include <dm.h>
#include <log.h>
#include <malloc.h>
#include <reset-uclass.h>
#include <asm/arch/clock.h>
#include <asm/arch-tegra/clk_rst.h>
static int tegra_car_reset_request(struct reset_ctl *reset_ctl)
{
debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
reset_ctl->dev, reset_ctl->id);
/* PERIPH_ID_COUNT varies per SoC */
if (reset_ctl->id >= PERIPH_ID_COUNT)
return -EINVAL;
return 0;
}
static int tegra_car_reset_free(struct reset_ctl *reset_ctl)
{
debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
reset_ctl->dev, reset_ctl->id);
return 0;
}
static int tegra_car_reset_assert(struct reset_ctl *reset_ctl)
{
debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
reset_ctl->dev, reset_ctl->id);
reset_set_enable(reset_ctl->id, 1);
return 0;
}
static int tegra_car_reset_deassert(struct reset_ctl *reset_ctl)
{
debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
reset_ctl->dev, reset_ctl->id);
reset_set_enable(reset_ctl->id, 0);
return 0;
}
struct reset_ops tegra_car_reset_ops = {
.request = tegra_car_reset_request,
.rfree = tegra_car_reset_free,
.rst_assert = tegra_car_reset_assert,
.rst_deassert = tegra_car_reset_deassert,
};
static int tegra_car_reset_probe(struct udevice *dev)
{
debug("%s(dev=%p)\n", __func__, dev);
return 0;
}
U_BOOT_DRIVER(tegra_car_reset) = {
.name = "tegra_car_reset",
.id = UCLASS_RESET,
.probe = tegra_car_reset_probe,
.ops = &tegra_car_reset_ops,
};