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/Linux-v5.15/drivers/net/ethernet/qlogic/qede/
Dqede_ptp.c21 /* ptp spinlock is used for protecting the cycle/time counter fields
22 * and, also for serializing the qed PTP API invocations.
31 * qede_ptp_adjfreq() - Adjust the frequency of the PTP cycle counter.
33 * @info: The PTP clock info structure.
40 struct qede_ptp *ptp = container_of(info, struct qede_ptp, clock_info); in qede_ptp_adjfreq() local
41 struct qede_dev *edev = ptp->edev; in qede_ptp_adjfreq()
46 spin_lock_bh(&ptp->lock); in qede_ptp_adjfreq()
47 rc = ptp->ops->adjfreq(edev->cdev, ppb); in qede_ptp_adjfreq()
48 spin_unlock_bh(&ptp->lock); in qede_ptp_adjfreq()
50 DP_ERR(edev, "PTP adjfreq called while interface is down\n"); in qede_ptp_adjfreq()
[all …]
/Linux-v5.15/drivers/ptp/
Dptp_clock.c3 * PTP 1588 clock support
78 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_clock_settime() local
80 if (ptp_vclock_in_use(ptp)) { in ptp_clock_settime()
81 pr_err("ptp: virtual clock in use\n"); in ptp_clock_settime()
85 return ptp->info->settime64(ptp->info, tp); in ptp_clock_settime()
90 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_clock_gettime() local
93 if (ptp->info->gettimex64) in ptp_clock_gettime()
94 err = ptp->info->gettimex64(ptp->info, tp, NULL); in ptp_clock_gettime()
96 err = ptp->info->gettime64(ptp->info, tp); in ptp_clock_gettime()
102 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_clock_adjtime() local
[all …]
Dptp_sysfs.c3 * PTP 1588 clock support - sysfs interface.
16 struct ptp_clock *ptp = dev_get_drvdata(dev); in clock_name_show() local
17 return snprintf(page, PAGE_SIZE-1, "%s\n", ptp->info->name); in clock_name_show()
25 struct ptp_clock *ptp = dev_get_drvdata(dev); \
26 return snprintf(page, PAGE_SIZE-1, "%d\n", ptp->info->var); \
41 struct ptp_clock *ptp = dev_get_drvdata(dev); in extts_enable_store() local
42 struct ptp_clock_info *ops = ptp->info; in extts_enable_store()
66 struct ptp_clock *ptp = dev_get_drvdata(dev); in extts_fifo_show() local
67 struct timestamp_event_queue *queue = &ptp->tsevq; in extts_fifo_show()
75 if (mutex_lock_interruptible(&ptp->tsevq_mux)) in extts_fifo_show()
[all …]
DKconfig3 # PTP clock support configuration
6 menu "PTP clock support"
9 tristate "PTP clock support"
17 standard defines a Precision Time Protocol (PTP), which can
23 This driver adds support for PTP clocks as character
24 devices. If you want to use a PTP clock, then you should
28 will be called ptp.
37 into vmlinux while the PTP support itself is in a loadable
39 If PTP support is disabled, this dependency will still be
43 tristate "Broadcom DTE as PTP clock"
[all …]
Dptp_vclock.c3 * PTP virtual clock driver
16 static int ptp_vclock_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) in ptp_vclock_adjfine() argument
18 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_adjfine()
33 static int ptp_vclock_adjtime(struct ptp_clock_info *ptp, s64 delta) in ptp_vclock_adjtime() argument
35 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_adjtime()
45 static int ptp_vclock_gettime(struct ptp_clock_info *ptp, in ptp_vclock_gettime() argument
48 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_gettime()
60 static int ptp_vclock_settime(struct ptp_clock_info *ptp, in ptp_vclock_settime() argument
63 struct ptp_vclock *vclock = info_to_vclock(ptp); in ptp_vclock_settime()
74 static long ptp_vclock_refresh(struct ptp_clock_info *ptp) in ptp_vclock_refresh() argument
[all …]
Dptp_chardev.c3 * PTP 1588 clock support - character device implementation.
48 int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin, in ptp_set_pinfunc() argument
51 struct ptp_clock_info *info = ptp->info; in ptp_set_pinfunc()
111 struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock); in ptp_ioctl() local
115 struct ptp_clock_info *ops = ptp->info; in ptp_ioctl()
132 caps.max_adj = ptp->info->max_adj; in ptp_ioctl()
133 caps.n_alarm = ptp->info->n_alarm; in ptp_ioctl()
134 caps.n_ext_ts = ptp->info->n_ext_ts; in ptp_ioctl()
135 caps.n_per_out = ptp->info->n_per_out; in ptp_ioctl()
136 caps.pps = ptp->info->pps; in ptp_ioctl()
[all …]
/Linux-v5.15/drivers/net/ethernet/broadcom/bnxt/
Dbnxt_ptp.c49 struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, in bnxt_ptp_settime() local
53 spin_lock_bh(&ptp->ptp_lock); in bnxt_ptp_settime()
54 timecounter_init(&ptp->tc, &ptp->cc, ns); in bnxt_ptp_settime()
55 spin_unlock_bh(&ptp->ptp_lock); in bnxt_ptp_settime()
63 struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; in bnxt_refclk_read() local
69 *ns = readl(bp->bar0 + ptp->refclk_mapped_regs[0]); in bnxt_refclk_read()
71 *ns |= (u64)readl(bp->bar0 + ptp->refclk_mapped_regs[1]) << 32; in bnxt_refclk_read()
77 struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; in bnxt_ptp_get_current_time() local
79 if (!ptp) in bnxt_ptp_get_current_time()
81 spin_lock_bh(&ptp->ptp_lock); in bnxt_ptp_get_current_time()
[all …]
/Linux-v5.15/drivers/net/ethernet/hisilicon/hns3/hns3pf/
Dhclge_ptp.c10 struct hclge_ptp *ptp = hdev->ptp; in hclge_ptp_get_cycle() local
12 ptp->cycle.quo = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_QUO_REG) & in hclge_ptp_get_cycle()
14 ptp->cycle.numer = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_NUM_REG); in hclge_ptp_get_cycle()
15 ptp->cycle.den = readl(hdev->ptp->io_base + HCLGE_PTP_CYCLE_DEN_REG); in hclge_ptp_get_cycle()
17 if (ptp->cycle.den == 0) { in hclge_ptp_get_cycle()
18 dev_err(&hdev->pdev->dev, "invalid ptp cycle denominator!\n"); in hclge_ptp_get_cycle()
25 static int hclge_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) in hclge_ptp_adjfreq() argument
27 struct hclge_dev *hdev = hclge_ptp_get_hdev(ptp); in hclge_ptp_adjfreq()
28 struct hclge_ptp_cycle *cycle = &hdev->ptp->cycle; in hclge_ptp_adjfreq()
50 * denominator is fixed to ptp->cycle.den, and numerator in hclge_ptp_adjfreq()
[all …]
/Linux-v5.15/drivers/net/ethernet/microchip/
Dlan743x_ptp.c69 struct lan743x_ptp *ptp = &adapter->ptp; in lan743x_ptp_tx_ts_enqueue_ts() local
71 spin_lock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_enqueue_ts()
72 if (ptp->tx_ts_queue_size < LAN743X_PTP_NUMBER_OF_TX_TIMESTAMPS) { in lan743x_ptp_tx_ts_enqueue_ts()
73 ptp->tx_ts_seconds_queue[ptp->tx_ts_queue_size] = seconds; in lan743x_ptp_tx_ts_enqueue_ts()
74 ptp->tx_ts_nseconds_queue[ptp->tx_ts_queue_size] = nano_seconds; in lan743x_ptp_tx_ts_enqueue_ts()
75 ptp->tx_ts_header_queue[ptp->tx_ts_queue_size] = header; in lan743x_ptp_tx_ts_enqueue_ts()
76 ptp->tx_ts_queue_size++; in lan743x_ptp_tx_ts_enqueue_ts()
81 spin_unlock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_enqueue_ts()
86 struct lan743x_ptp *ptp = &adapter->ptp; in lan743x_ptp_tx_ts_complete() local
93 spin_lock_bh(&ptp->tx_ts_lock); in lan743x_ptp_tx_ts_complete()
[all …]
/Linux-v5.15/drivers/net/ethernet/marvell/octeontx2/af/
Dptp.c2 /* Marvell PTP driver
13 #include "ptp.h"
17 #define DRV_NAME "Marvell PTP Driver"
42 static struct ptp *first_ptp_block;
51 /* To get the input clock frequency with which PTP co-processor in get_clock_rate()
78 struct ptp *ptp_get(void) in ptp_get()
80 struct ptp *ptp = first_ptp_block; in ptp_get() local
82 /* Check PTP block is present in hardware */ in ptp_get()
85 /* Check driver is bound to PTP block */ in ptp_get()
86 if (!ptp) in ptp_get()
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/Linux-v5.15/drivers/net/ethernet/sfc/
Dptp.c9 * PTP support is assisted by firmware running on the MC, which provides
11 * PTP event packets are queued onto internal queues for subsequent processing;
17 * with the hardware timestamp. The PTP receive packet queue is searched
21 * It is important for the operation of the PTP protocol that the ordering
47 #include "nic.h" /* indirectly includes ptp.h */
49 /* Maximum number of events expected to make up a PTP event */
76 /* Offsets into PTP packet for identification. These offsets are from the
77 * start of the IP header, not the MAC header. Note that neither PTP V1 nor
78 * PTP V2 permit the use of IPV4 options.
91 /* The minimum length of a PTP V1 packet for offsets, etc. to be valid:
[all …]
/Linux-v5.15/drivers/net/ethernet/marvell/octeontx2/nic/
Dotx2_ptp.c13 struct otx2_ptp *ptp = container_of(ptp_info, struct otx2_ptp, in otx2_ptp_adjfine() local
17 if (!ptp->nic) in otx2_ptp_adjfine()
20 req = otx2_mbox_alloc_msg_ptp_op(&ptp->nic->mbox); in otx2_ptp_adjfine()
27 return otx2_sync_mbox_msg(&ptp->nic->mbox); in otx2_ptp_adjfine()
32 struct otx2_ptp *ptp = container_of(cc, struct otx2_ptp, cycle_counter); in ptp_cc_read() local
37 if (!ptp->nic) in ptp_cc_read()
40 req = otx2_mbox_alloc_msg_ptp_op(&ptp->nic->mbox); in ptp_cc_read()
46 err = otx2_sync_mbox_msg(&ptp->nic->mbox); in ptp_cc_read()
50 rsp = (struct ptp_rsp *)otx2_mbox_get_rsp(&ptp->nic->mbox.mbox, 0, in ptp_cc_read()
60 struct otx2_ptp *ptp = container_of(ptp_info, struct otx2_ptp, in otx2_ptp_adjtime() local
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-ptp1 What: /sys/class/ptp/
7 features of PTP hardware clocks.
9 What: /sys/class/ptp/ptpN/
13 This directory contains the attributes of the Nth PTP
14 hardware clock registered into the PTP class driver
17 What: /sys/class/ptp/ptpN/clock_name
21 This file contains the name of the PTP hardware clock
28 What: /sys/class/ptp/ptpN/max_adjustment
32 This file contains the PTP hardware clock's maximum
36 What: /sys/class/ptp/ptpN/max_vclocks
[all …]
/Linux-v5.15/drivers/net/phy/
Ddp83640_reg.h12 #define PTP_CTL 0x0014 /* PTP Control Register */
13 #define PTP_TDR 0x0015 /* PTP Time Data Register */
14 #define PTP_STS 0x0016 /* PTP Status Register */
15 #define PTP_TSTS 0x0017 /* PTP Trigger Status Register */
16 #define PTP_RATEL 0x0018 /* PTP Rate Low Register */
17 #define PTP_RATEH 0x0019 /* PTP Rate High Register */
18 #define PTP_RDCKSUM 0x001a /* PTP Read Checksum */
19 #define PTP_WRCKSUM 0x001b /* PTP Write Checksum */
20 #define PTP_TXTS 0x001c /* PTP Transmit Timestamp Register, in four 16-bit reads */
21 #define PTP_RXTS 0x001d /* PTP Receive Timestamp Register, in six? 16-bit reads */
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/Linux-v5.15/drivers/net/ethernet/renesas/
Dravb_ptp.c2 /* PTP 1588 clock using the Renesas Ethernet AVB
73 u32 gti_ns_plus_1 = (priv->ptp.current_addend >> 20) + 1; in ravb_ptp_update_compare()
90 /* PTP clock operations */
91 static int ravb_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) in ravb_ptp_adjfreq() argument
93 struct ravb_private *priv = container_of(ptp, struct ravb_private, in ravb_ptp_adjfreq()
94 ptp.info); in ravb_ptp_adjfreq()
105 addend = priv->ptp.default_addend; in ravb_ptp_adjfreq()
112 priv->ptp.current_addend = addend; in ravb_ptp_adjfreq()
127 static int ravb_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) in ravb_ptp_adjtime() argument
129 struct ravb_private *priv = container_of(ptp, struct ravb_private, in ravb_ptp_adjtime()
[all …]
/Linux-v5.15/include/linux/
Dptp_clock_kernel.h3 * PTP 1588 clock support
19 * struct ptp_clock_request - request PTP clock event
55 * struct ptp_clock_info - describes a PTP hardware clock
115 * @verify: Confirm that a pin can perform a given function. The PTP
148 int (*adjfine)(struct ptp_clock_info *ptp, long scaled_ppm);
149 int (*adjfreq)(struct ptp_clock_info *ptp, s32 delta);
150 int (*adjphase)(struct ptp_clock_info *ptp, s32 phase);
151 int (*adjtime)(struct ptp_clock_info *ptp, s64 delta);
152 int (*gettime64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
153 int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
[all …]
/Linux-v5.15/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/
Dbase.c44 const int slot = pt->base >> pt->ptp->shift; in nvkm_mmu_ptp_put()
45 struct nvkm_mmu_ptp *ptp = pt->ptp; in nvkm_mmu_ptp_put() local
48 * there will be now, so return PTP to the cache. in nvkm_mmu_ptp_put()
50 if (!ptp->free) in nvkm_mmu_ptp_put()
51 list_add(&ptp->head, &mmu->ptp.list); in nvkm_mmu_ptp_put()
52 ptp->free |= BIT(slot); in nvkm_mmu_ptp_put()
54 /* If there's no more sub-allocations, destroy PTP. */ in nvkm_mmu_ptp_put()
55 if (ptp->free == ptp->mask) { in nvkm_mmu_ptp_put()
56 nvkm_mmu_ptc_put(mmu, force, &ptp->pt); in nvkm_mmu_ptp_put()
57 list_del(&ptp->head); in nvkm_mmu_ptp_put()
[all …]
/Linux-v5.15/drivers/net/ethernet/intel/ice/
Dice_ptp.c67 * This function will configure timestamping during PTP initialization
76 pf->ptp.tstamp_config.rx_filter = HWTSTAMP_FILTER_ALL; in ice_ptp_cfg_timestamp()
77 pf->ptp.tstamp_config.tx_type = HWTSTAMP_TX_ON; in ice_ptp_cfg_timestamp()
79 pf->ptp.tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE; in ice_ptp_cfg_timestamp()
80 pf->ptp.tstamp_config.tx_type = HWTSTAMP_TX_OFF; in ice_ptp_cfg_timestamp()
85 * ice_get_ptp_clock_index - Get the PTP clock index
88 * Determine the clock index of the PTP clock associated with this device. If
95 * Returns: the index of the PTP clock associated with this device, or -1 if
108 if (pf->ptp.clock) in ice_get_ptp_clock_index()
109 return ptp_clock_index(pf->ptp.clock); in ice_get_ptp_clock_index()
[all …]
/Linux-v5.15/drivers/net/ethernet/intel/e1000e/
Dptp.c4 /* PTP 1588 Hardware Clock (PHC)
5 * Derived from PTP Hardware Clock driver for Intel 82576 and 82580 (igb)
19 * @ptp: ptp clock structure
25 static int e1000e_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta) in e1000e_phc_adjfreq() argument
27 struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, in e1000e_phc_adjfreq()
36 if ((delta > ptp->max_adj) || (delta <= -1000000000)) in e1000e_phc_adjfreq()
73 * @ptp: ptp clock structure
78 static int e1000e_phc_adjtime(struct ptp_clock_info *ptp, s64 delta) in e1000e_phc_adjtime() argument
80 struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, in e1000e_phc_adjtime()
146 * @ptp: ptp clock structure
[all …]
/Linux-v5.15/drivers/net/dsa/mv88e6xxx/
Dhwtstamp.h18 /* Global 6352 PTP registers */
19 /* Offset 0x00: PTP EtherType */
33 /* Offset 0x05: PTP Global Configuration */
39 /* Offset 0x07: PTP Global Configuration */
48 /* Offset 0x08: PTP Interrupt Status */
51 /* Per-Port 6352 PTP Registers */
52 /* Offset 0x00: PTP Configuration 0 */
62 /* Offset 0x01: PTP Configuration 1 */
65 /* Offset 0x02: PTP Configuration 2 */
71 /* Offset 0x03: PTP LED Configuration */
[all …]
Dptp.h3 * Marvell 88E6xxx Switch PTP support
66 /* Offset 0x0E/0x0F: PTP Global Time */
112 /* Offset 0x01/0x02: PTP Arrival 0 Time */
116 /* Offset 0x03: PTP Arrival 0 Sequence ID */
119 /* Offset 0x04: PTP Arrival 1 Status */
122 /* Offset 0x05/0x6E: PTP Arrival 1 Time */
126 /* Offset 0x07: PTP Arrival 1 Sequence ID */
129 /* Offset 0x08: PTP Departure Status */
132 /* Offset 0x09/0x0a: PTP Deperture Time */
136 /* Offset 0x0b: PTP Departure Sequence ID */
[all …]
/Linux-v5.15/drivers/net/ethernet/chelsio/cxgb4/
Dcxgb4_ptp.c2 * cxgb4_ptp.c:Chelsio PTP support for T5/T6
54 * cxgb4_ptp_is_ptp_tx - determine whether TX packet is PTP or not
55 * @skb: skb of outgoing ptp request
80 * cxgb4_ptp_is_ptp_rx - determine whether RX packet is PTP or not
81 * @skb: skb of incoming ptp request
94 * cxgb4_ptp_read_hwstamp - read timestamp for TX event PTP message
121 * cxgb4_ptprx_timestamping - Enable Timestamp for RX PTP event message
145 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptprx_timestamping()
166 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptp_txtype()
192 "PTP: %s error %d\n", __func__, -err); in cxgb4_ptp_redirect_rx_packet()
[all …]
/Linux-v5.15/drivers/net/ethernet/stmicro/stmmac/
Dstmmac_ptp.c3 PTP 1588 clock using the STMMAC.
17 * @ptp: pointer to ptp_clock_info structure
22 static int stmmac_adjust_freq(struct ptp_clock_info *ptp, s32 ppb) in stmmac_adjust_freq() argument
25 container_of(ptp, struct stmmac_priv, ptp_clock_ops); in stmmac_adjust_freq()
52 * @ptp: pointer to ptp_clock_info structure
57 static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta) in stmmac_adjust_time() argument
60 container_of(ptp, struct stmmac_priv, ptp_clock_ops); in stmmac_adjust_time()
79 /* If EST is enabled, disabled it before adjust ptp time. */ in stmmac_adjust_time()
93 /* Caculate new basetime and re-configured EST after PTP time adjust. */ in stmmac_adjust_time()
127 * @ptp: pointer to ptp_clock_info structure
[all …]
/Linux-v5.15/drivers/net/ethernet/mellanox/mlx4/
Den_clock.c78 * mlx4_en_remove_timestamp - disable PTP device
81 * Stop the PTP support.
115 * @ptp: ptp clock structure
121 static int mlx4_en_phc_adjfreq(struct ptp_clock_info *ptp, s32 delta) in mlx4_en_phc_adjfreq() argument
127 struct mlx4_en_dev *mdev = container_of(ptp, struct mlx4_en_dev, in mlx4_en_phc_adjfreq()
149 * @ptp: ptp clock structure
154 static int mlx4_en_phc_adjtime(struct ptp_clock_info *ptp, s64 delta) in mlx4_en_phc_adjtime() argument
156 struct mlx4_en_dev *mdev = container_of(ptp, struct mlx4_en_dev, in mlx4_en_phc_adjtime()
169 * @ptp: ptp clock structure
175 static int mlx4_en_phc_gettime(struct ptp_clock_info *ptp, in mlx4_en_phc_gettime() argument
[all …]
/Linux-v5.15/Documentation/devicetree/bindings/pinctrl/
Dmarvell,kirkwood-pinctrl.txt28 mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk)
29 mpp5 5 gpo, nand(io7), uart0(txd), ptp(trig)
30 mpp6 6 sysrst(out), spi(mosi), ptp(trig)
31 mpp7 7 gpo, pex(rsto), spi(cs), ptp(trig)
32 mpp8 8 gpio, twsi0(sda), uart0(rts), uart1(rts), ptp(clk),
34 mpp9 9 gpio, twsi(sck), uart0(cts), uart1(cts), ptp(evreq),
36 mpp10 10 gpo, spi(sck), uart0(txd), ptp(trig)
37 mpp11 11 gpio, spi(miso), uart0(rxd), ptp(clk), ptp-1(evreq),
38 ptp-2(trig)
66 mpp4 4 gpio, nand(io6), uart0(rxd), ptp(clk)
[all …]

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