linux_dsm_epyc7002/drivers/net/ethernet/mscc/ocelot_ptp.h
Antoine Tenart 45bce1719c net: mscc: describe the PTP register range
This patch adds support for using the PTP register range, and adds a
description of its registers. This bank is used when configuring PTP.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-15 16:31:11 -07:00

42 lines
941 B
C

/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
/*
* Microsemi Ocelot Switch driver
*
* License: Dual MIT/GPL
* Copyright (c) 2017 Microsemi Corporation
*/
#ifndef _MSCC_OCELOT_PTP_H_
#define _MSCC_OCELOT_PTP_H_
#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_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 PSEC_PER_SEC 1000000000000LL
#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)
#endif