diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/ptp.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/ptp.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.h b/drivers/net/ethernet/marvell/octeontx2/af/ptp.h new file mode 100644 index 000000000..b9d92abc3 --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/ptp.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Marvell PTP driver + * + * Copyright (C) 2020 Marvell. + * + */ + +#ifndef PTP_H +#define PTP_H + +#include <linux/timecounter.h> +#include <linux/time64.h> +#include <linux/spinlock.h> + +struct ptp { + struct pci_dev *pdev; + void __iomem *reg_base; + u64 (*read_ptp_tstmp)(struct ptp *ptp); + spinlock_t ptp_lock; /* lock */ + struct hrtimer hrtimer; + ktime_t last_ts; + u32 clock_rate; + u32 clock_period; +}; + +struct ptp *ptp_get(void); +void ptp_put(struct ptp *ptp); +void ptp_start(struct ptp *ptp, u64 sclk, u32 ext_clk_freq, u32 extts); + +extern struct pci_driver ptp_driver; + +#endif |