u-boot/drivers/reset/sandbox-reset-test.c

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// 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.h>
#include <asm/io.h>
#include <asm/reset.h>
#include <linux/err.h>
struct sandbox_reset_test {
struct reset_ctl ctl;
struct reset_ctl_bulk bulk;
struct reset_ctl *ctlp;
struct reset_ctl_bulk *bulkp;
};
int sandbox_reset_test_get(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
sbrt->ctlp = &sbrt->ctl;
return reset_get_by_name(dev, "test", &sbrt->ctl);
}
int sandbox_reset_test_get_devm(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
struct reset_ctl *r;
r = devm_reset_control_get(dev, "not-a-valid-reset-ctl");
if (!IS_ERR(r))
return -EINVAL;
r = devm_reset_control_get_optional(dev, "not-a-valid-reset-ctl");
if (r)
return -EINVAL;
sbrt->ctlp = devm_reset_control_get(dev, "test");
if (IS_ERR(sbrt->ctlp))
return PTR_ERR(sbrt->ctlp);
return 0;
}
int sandbox_reset_test_get_bulk(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
sbrt->bulkp = &sbrt->bulk;
return reset_get_bulk(dev, &sbrt->bulk);
}
int sandbox_reset_test_get_bulk_devm(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
struct reset_ctl_bulk *r;
r = devm_reset_bulk_get_optional(dev);
if (IS_ERR(r))
return PTR_ERR(r);
sbrt->bulkp = r;
return 0;
}
int sandbox_reset_test_assert(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_assert(sbrt->ctlp);
}
int sandbox_reset_test_assert_bulk(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_assert_bulk(sbrt->bulkp);
}
int sandbox_reset_test_deassert(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_deassert(sbrt->ctlp);
}
int sandbox_reset_test_deassert_bulk(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_deassert_bulk(sbrt->bulkp);
}
int sandbox_reset_test_free(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_free(sbrt->ctlp);
}
int sandbox_reset_test_release_bulk(struct udevice *dev)
{
struct sandbox_reset_test *sbrt = dev_get_priv(dev);
return reset_release_bulk(sbrt->bulkp);
}
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 = sizeof(struct sandbox_reset_test),
};