/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ /* * Microsemi Ocelot Switch driver * * License: Dual MIT/GPL * Copyright (c) 2017 Microsemi Corporation * Copyright 2020 NXP */ #ifndef _MSCC_OCELOT_PTP_H_ #define _MSCC_OCELOT_PTP_H_ #include <linux/ptp_clock_kernel.h> #include <soc/mscc/ocelot.h> #define OCELOT_MAX_PTP_ID 63 #define OCELOT_PTP_FIFO_SIZE 128 #define PTP_PIN_CFG_RSZ 0x20 #define PTP_PIN_TOD_SEC_MSB_RSZ PTP_PIN_CFG_RSZ #define PTP_PIN_TOD_SEC_LSB_RSZ PTP_PIN_CFG_RSZ #define PTP_PIN_TOD_NSEC_RSZ PTP_PIN_CFG_RSZ #define PTP_PIN_WF_HIGH_PERIOD_RSZ PTP_PIN_CFG_RSZ #define PTP_PIN_WF_LOW_PERIOD_RSZ PTP_PIN_CFG_RSZ #define PTP_PIN_CFG_DOM BIT(0) #define PTP_PIN_CFG_SYNC BIT(2) #define PTP_PIN_CFG_ACTION(x) ((x) << 3) #define PTP_PIN_CFG_ACTION_MASK PTP_PIN_CFG_ACTION(0x7) enum { PTP_PIN_ACTION_IDLE = 0, PTP_PIN_ACTION_LOAD, PTP_PIN_ACTION_SAVE, PTP_PIN_ACTION_CLOCK, PTP_PIN_ACTION_DELTA, PTP_PIN_ACTION_NOSYNC, PTP_PIN_ACTION_SYNC, }; #define PTP_CFG_MISC_PTP_EN BIT(2) #define PTP_CFG_CLK_ADJ_CFG_ENA BIT(0) #define PTP_CFG_CLK_ADJ_CFG_DIR BIT(1) #define PTP_CFG_CLK_ADJ_FREQ_NS BIT(30) int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts); int ocelot_ptp_settime64(struct ptp_clock_info *ptp, const struct timespec64 *ts); int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta); int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm); int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin, enum ptp_pin_function func, unsigned int chan); int ocelot_ptp_enable(struct ptp_clock_info *ptp, struct ptp_clock_request *rq, int on); int ocelot_init_timestamp(struct ocelot *ocelot, const struct ptp_clock_info *info); int ocelot_deinit_timestamp(struct ocelot *ocelot); #endif