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// SPDX-License-Identifier: GPL-2.0
/*
* Platform device driver for GXP.
*
* Copyright (C) 2021 Google LLC
*/
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "gxp-internal.h"
#include "gxp-common-platform.c"
void gxp_iommu_setup_shareability(struct gxp_dev *gxp)
{
/* IO coherency not supported */
}
static int gxp_platform_probe(struct platform_device *pdev)
{
struct gxp_dev *gxp =
devm_kzalloc(&pdev->dev, sizeof(*gxp), GFP_KERNEL);
if (!gxp)
return -ENOMEM;
return gxp_common_platform_probe(pdev, gxp);
}
static int gxp_platform_remove(struct platform_device *pdev)
{
return gxp_common_platform_remove(pdev);
}
#ifdef CONFIG_OF
static const struct of_device_id gxp_of_match[] = {
{ .compatible = "google,gxp", },
{ /* end of list */ },
};
MODULE_DEVICE_TABLE(of, gxp_of_match);
#endif
static struct platform_driver gxp_platform_driver = {
.probe = gxp_platform_probe,
.remove = gxp_platform_remove,
.driver = {
.name = GXP_DRIVER_NAME,
.of_match_table = of_match_ptr(gxp_of_match),
#if IS_ENABLED(CONFIG_PM_SLEEP)
.pm = &gxp_pm_ops,
#endif
},
};
static int __init gxp_platform_init(void)
{
gxp_common_platform_reg_sscd();
return platform_driver_register(&gxp_platform_driver);
}
static void __exit gxp_platform_exit(void)
{
platform_driver_unregister(&gxp_platform_driver);
gxp_common_platform_unreg_sscd();
}
bool gxp_is_direct_mode(struct gxp_dev *gxp)
{
return true;
}
enum gxp_chip_revision gxp_get_chip_revision(struct gxp_dev *gxp)
{
return GXP_CHIP_ANY;
}
MODULE_DESCRIPTION("Google GXP platform driver");
MODULE_LICENSE("GPL v2");
MODULE_INFO(gitinfo, GIT_REPO_TAG);
module_init(gxp_platform_init);
module_exit(gxp_platform_exit);
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