diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/rcar_gen4_ptp.h')
| -rw-r--r-- | drivers/net/ethernet/renesas/rcar_gen4_ptp.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/rcar_gen4_ptp.h b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h new file mode 100644 index 000000000000..9a9c232c854e --- /dev/null +++ b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Renesas R-Car Gen4 gPTP device driver + * + * Copyright (C) 2022 Renesas Electronics Corporation + */ + +#ifndef __RCAR_GEN4_PTP_H__ +#define __RCAR_GEN4_PTP_H__ + +#include <linux/ptp_clock_kernel.h> + +struct rcar_gen4_ptp_private { + void __iomem *addr; + struct ptp_clock *clock; + struct ptp_clock_info info; + spinlock_t lock; /* For multiple registers access */ + s64 default_addend; + bool initialized; +}; + +int rcar_gen4_ptp_register(struct rcar_gen4_ptp_private *ptp_priv, u32 rate); +int rcar_gen4_ptp_unregister(struct rcar_gen4_ptp_private *ptp_priv); +struct rcar_gen4_ptp_private *rcar_gen4_ptp_alloc(struct platform_device *pdev); + +#endif /* #ifndef __RCAR_GEN4_PTP_H__ */ |