[net-next, v2, 5/7] enetc_ptp: support ptp virtual clock
From: Yangbo Lu <yangbo.lu@nxp.com>
Date: 2021-05-21 04:27:17
Subsystem:
freescale enetc ethernet drivers, freescale qoriq ptp clock driver, networking drivers, the rest · Maintainers:
Claudiu Manoil, Vladimir Oltean, Wei Fang, Clark Wang, Yangbo Lu, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add support for ptp virtual clock. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> --- Changes for v2: - Made ptp_qoriq_vclock_cc static. - Updated copyright. --- drivers/net/ethernet/freescale/enetc/enetc_ptp.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ptp.c b/drivers/net/ethernet/freescale/enetc/enetc_ptp.c
index bc594892507a..dabcdaf972a9 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_ptp.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ptp.c@@ -1,5 +1,5 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) -/* Copyright 2019 NXP */ +/* Copyright 2019-2021 NXP */ #include <linux/module.h> #include <linux/of.h>
@@ -10,6 +10,16 @@ int enetc_phc_index = -1; EXPORT_SYMBOL(enetc_phc_index); +static struct ptp_vclock_cc ptp_qoriq_vclock_cc = { + .cc.read = ptp_qoriq_clock_read, + .cc.mask = CYCLECOUNTER_MASK(64), + .cc.shift = 28, + .cc.mult = (1 << 28), + .refresh_interval = (HZ * 60), + .mult_factor = (1 << 6), + .div_factor = 15625, +}; + static struct ptp_clock_info enetc_ptp_caps = { .owner = THIS_MODULE, .name = "ENETC PTP clock",
@@ -24,6 +34,7 @@ static struct ptp_clock_info enetc_ptp_caps = { .gettime64 = ptp_qoriq_gettime, .settime64 = ptp_qoriq_settime, .enable = ptp_qoriq_enable, + .vclock_cc = &ptp_qoriq_vclock_cc, }; static int enetc_ptp_probe(struct pci_dev *pdev,
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2.25.1