u-boot/drivers/reset/sandbox-reset-test.c
Stephen Warren 4581b717b1 reset: implement a reset test
This adds a sandbox reset implementation (provider), a test client
device, instantiates them both from Sandbox's DT, and adds a DM test
that excercises everything.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
2016-06-19 17:05:55 -06:00

55 lines
1.1 KiB
C

/*
* Copyright (c) 2016, NVIDIA CORPORATION.
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
#include <reset.h>
#include <asm/io.h>
#include <asm/reset.h>
struct sandbox_reset_test {
struct reset_ctl ctl;
};
int sandbox_reset_test_get(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_get_by_name(dev, "test", &sbrt->ctl);
}
int sandbox_reset_test_assert(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_assert(&sbrt->ctl);
}
int sandbox_reset_test_deassert(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_deassert(&sbrt->ctl);
}
int sandbox_reset_test_free(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_free(&sbrt->ctl);
}
static const struct udevice_id sandbox_reset_test_ids[] = {
{ .compatible = "sandbox,reset-ctl-test" },
{ }
};
U_BOOT_DRIVER(sandbox_reset_test) = {
.name = "sandbox_reset_test",
.id = UCLASS_MISC,
.of_match = sandbox_reset_test_ids,
.priv_auto_alloc_size = sizeof(struct sandbox_reset_test),
};