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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2025 Linaro Limited
*/
#include <dm.h>
#include <malloc.h>
#include <interconnect.h>
#include <asm/io.h>
#include <linux/err.h>
struct sandbox_interconnect_test {
struct icc_path *path;
};
int sandbox_interconnect_test_get(struct udevice *dev, char *name)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
priv->path = of_icc_get(dev, name);
if (IS_ERR(priv->path))
return PTR_ERR(priv->path);
if (!priv->path)
return -ENOSYS;
return 0;
}
int sandbox_interconnect_test_get_index(struct udevice *dev, int index)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
priv->path = of_icc_get_by_index(dev, index);
if (IS_ERR(priv->path))
return PTR_ERR(priv->path);
if (!priv->path)
return -ENOSYS;
return 0;
}
int sandbox_interconnect_test_enable(struct udevice *dev)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
return icc_enable(priv->path);
}
int sandbox_interconnect_test_disable(struct udevice *dev)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
return icc_disable(priv->path);
}
int sandbox_interconnect_test_set_bw(struct udevice *dev, u32 avg_bw, u32 peak_bw)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
return icc_set_bw(priv->path, avg_bw, peak_bw);
}
int sandbox_interconnect_test_put(struct udevice *dev)
{
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
int ret;
ret = icc_put(priv->path);
if (ret)
return ret;
priv->path = NULL;
return 0;
}
static const struct udevice_id sandbox_interconnect_test_ids[] = {
{ .compatible = "sandbox,interconnect-test" },
{ }
};
U_BOOT_DRIVER(sandbox_interconnect_test) = {
.name = "sandbox_interconnect_test",
.id = UCLASS_MISC,
.of_match = sandbox_interconnect_test_ids,
.priv_auto = sizeof(struct sandbox_interconnect_test),
};
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