drivers/net/ethernet/mscc/ocelot_ptp.h

   1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
   2 /*
   3  * Microsemi Ocelot Switch driver
   4  *
   5  * License: Dual MIT/GPL
   6  * Copyright (c) 2017 Microsemi Corporation
   7  */
   8
   9 #ifndef _MSCC_OCELOT_PTP_H_
  10 #define _MSCC_OCELOT_PTP_H_
  11
  12 #define PTP_PIN_CFG_RSZ                 0x20
  13 #define PTP_PIN_TOD_SEC_MSB_RSZ         PTP_PIN_CFG_RSZ
  14 #define PTP_PIN_TOD_SEC_LSB_RSZ         PTP_PIN_CFG_RSZ
  15 #define PTP_PIN_TOD_NSEC_RSZ            PTP_PIN_CFG_RSZ
  16
  17 #define PTP_PIN_CFG_DOM                 BIT(0)
  18 #define PTP_PIN_CFG_SYNC                BIT(2)
  19 #define PTP_PIN_CFG_ACTION(x)           ((x) << 3)
  20 #define PTP_PIN_CFG_ACTION_MASK         PTP_PIN_CFG_ACTION(0x7)
  21
  22 enum {
  23         PTP_PIN_ACTION_IDLE = 0,
  24         PTP_PIN_ACTION_LOAD,
  25         PTP_PIN_ACTION_SAVE,
  26         PTP_PIN_ACTION_CLOCK,
  27         PTP_PIN_ACTION_DELTA,
  28         PTP_PIN_ACTION_NOSYNC,
  29         PTP_PIN_ACTION_SYNC,
  30 };
  31
  32 #define PTP_CFG_MISC_PTP_EN             BIT(2)
  33
  34 #define PSEC_PER_SEC                    1000000000000LL
  35
  36 #define PTP_CFG_CLK_ADJ_CFG_ENA         BIT(0)
  37 #define PTP_CFG_CLK_ADJ_CFG_DIR         BIT(1)
  38
  39 #define PTP_CFG_CLK_ADJ_FREQ_NS         BIT(30)
  40
  41 #endif