diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c
index bbdeca5d9558..bdbe3febff1f 100644
--- a/drivers/net/dsa/hirschmann/hellcreek.c
+++ b/drivers/net/dsa/hirschmann/hellcreek.c
@@ -22,7 +22,9 @@
 #include <linux/spinlock.h>
 #include <linux/delay.h>
 #include <linux/ktime.h>
+#include <linux/time.h>
 #include <net/dsa.h>
+#include <net/pkt_sched.h>
 
 #include "hellcreek.h"
 #include "hellcreek_ptp.h"
@@ -153,6 +155,15 @@ static void hellcreek_select_vlan(struct hellcreek *hellcreek, int vid,
 	hellcreek_write(hellcreek, val, HR_VIDCFG);
 }
 
+static void hellcreek_select_tgd(struct hellcreek *hellcreek, int port)
+{
+	u16 val = 0;
+
+	val |= port << TR_TGDSEL_TDGSEL_SHIFT;
+
+	hellcreek_write(hellcreek, val, TR_TGDSEL);
+}
+
 static int hellcreek_wait_until_ready(struct hellcreek *hellcreek)
 {
 	u16 val;
@@ -958,6 +969,24 @@ static void __hellcreek_setup_tc_identity_mapping(struct hellcreek *hellcreek)
 	}
 }
 
+static void hellcreek_setup_tc_mapping(struct hellcreek *hellcreek,
+				       struct net_device *netdev)
+{
+	int i, j;
+
+	/* Setup mapping between traffic classes and port queues. */
+	for (i = 0; i < netdev_get_num_tc(netdev); ++i) {
+		for (j = 0; j < netdev->tc_to_txq[i].count; ++j) {
+			const int queue = j + netdev->tc_to_txq[i].offset;
+
+			hellcreek_select_prio(hellcreek, i);
+			hellcreek_write(hellcreek,
+					queue << HR_PRTCCFG_PCP_TC_MAP_SHIFT,
+					HR_PRTCCFG);
+		}
+	}
+}
+
 static void hellcreek_setup_tc_identity_mapping(struct hellcreek *hellcreek)
 {
 	unsigned long flags;
@@ -1081,6 +1110,267 @@ static void hellcreek_phylink_validate(struct dsa_switch *ds, int port,
 		   __ETHTOOL_LINK_MODE_MASK_NBITS);
 }
 
+static void hellcreek_setup_gcl(struct hellcreek *hellcreek, int port,
+				const struct hellcreek_schedule *schedule)
+{
+	size_t i;
+
+	for (i = 1; i <= schedule->num_entries; ++i) {
+		const struct hellcreek_gcl_entry *cur, *initial, *next;
+		u16 data;
+		u8 gates;
+
+		cur	= &schedule->entries[i - 1];
+		initial = &schedule->entries[0];
+		next	= &schedule->entries[i];
+
+		if (i == schedule->num_entries)
+			gates = initial->gate_states ^
+				cur->gate_states;
+		else
+			gates = next->gate_states ^
+				cur->gate_states;
+
+		data = gates;
+		if (cur->overrun_ignore)
+			data |= TR_GCLDAT_GCLOVRI;
+
+		if (i == schedule->num_entries)
+			data |= TR_GCLDAT_GCLWRLAST;
+
+		/* Gates states */
+		hellcreek_write(hellcreek, data, TR_GCLDAT);
+
+		/* Time intervall */
+		hellcreek_write(hellcreek,
+				cur->interval & 0x0000ffff,
+				TR_GCLTIL);
+		hellcreek_write(hellcreek,
+				(cur->interval & 0xffff0000) >> 16,
+				TR_GCLTIH);
+
+		/* Commit entry */
+		data = ((i - 1) << TR_GCLCMD_GCLWRADR_SHIFT) |
+			(initial->gate_states <<
+			 TR_GCLCMD_INIT_GATE_STATES_SHIFT);
+		hellcreek_write(hellcreek, data, TR_GCLCMD);
+	}
+}
+
+static void hellcreek_set_cycle_time(struct hellcreek *hellcreek,
+				     const struct hellcreek_schedule *schedule)
+{
+	u32 cycle_time = schedule->cycle_time;
+
+	hellcreek_write(hellcreek, cycle_time & 0x0000ffff, TR_CTWRL);
+	hellcreek_write(hellcreek, (cycle_time & 0xffff0000) >> 16, TR_CTWRH);
+}
+
+static void hellcreek_start_schedule(struct hellcreek *hellcreek,
+				     ktime_t start_time)
+{
+	struct timespec64 ts = ktime_to_timespec64(start_time);
+
+	/* Start can be only 8 seconds in the future */
+	ts.tv_sec %= 8;
+
+	/* Start schedule at this point of time */
+	hellcreek_write(hellcreek, ts.tv_nsec & 0x0000ffff, TR_ESTWRL);
+	hellcreek_write(hellcreek, (ts.tv_nsec & 0xffff0000) >> 16, TR_ESTWRH);
+
+	/* Arm timer, set seconds and switch schedule */
+	hellcreek_write(hellcreek, TR_ESTCMD_ESTARM | TR_ESTCMD_ESTSWCFG |
+		     ((ts.tv_sec & TR_ESTCMD_ESTSEC_MASK) <<
+		      TR_ESTCMD_ESTSEC_SHIFT), TR_ESTCMD);
+}
+
+static struct hellcreek_schedule *hellcreek_taprio_to_schedule(
+	const struct tc_taprio_qopt_offload *taprio)
+{
+	struct hellcreek_schedule *schedule;
+	size_t i;
+
+	/* Allocate some memory first */
+	schedule = kzalloc(sizeof(*schedule), GFP_KERNEL);
+	if (!schedule)
+		return ERR_PTR(-ENOMEM);
+	schedule->entries = kcalloc(taprio->num_entries,
+				    sizeof(*schedule->entries),
+				    GFP_KERNEL);
+	if (!schedule->entries) {
+		kfree(schedule);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	/* Construct hellcreek schedule */
+	schedule->num_entries = taprio->num_entries;
+	schedule->base_time   = taprio->base_time;
+
+	for (i = 0; i < taprio->num_entries; ++i) {
+		const struct tc_taprio_sched_entry *t = &taprio->entries[i];
+		struct hellcreek_gcl_entry *k = &schedule->entries[i];
+
+		k->interval	  = t->interval;
+		k->gate_states	  = t->gate_mask;
+		k->overrun_ignore = 0;
+
+		/* Update complete cycle time */
+		schedule->cycle_time += t->interval;
+	}
+
+	return schedule;
+}
+
+static enum hrtimer_restart hellcreek_set_schedule(struct hrtimer *timer)
+{
+	struct hellcreek_port *hellcreek_port =
+		hrtimer_to_hellcreek_port(timer);
+	struct hellcreek *hellcreek = hellcreek_port->hellcreek;
+	struct hellcreek_schedule *schedule;
+	unsigned long flags;
+
+	spin_lock_irqsave(&hellcreek->reg_lock, flags);
+
+	/* First select port */
+	hellcreek_select_tgd(hellcreek, hellcreek_port->port);
+
+	/* Set admin base time and switch schedule */
+	hellcreek_start_schedule(hellcreek,
+				 hellcreek_port->current_schedule->base_time);
+
+	schedule = hellcreek_port->current_schedule;
+	hellcreek_port->current_schedule = NULL;
+
+	spin_unlock_irqrestore(&hellcreek->reg_lock, flags);
+
+	dev_dbg(hellcreek->dev, "ARMed EST timer for port %d\n",
+		hellcreek_port->port);
+
+	/* Free resources */
+	kfree(schedule->entries);
+	kfree(schedule);
+
+	return HRTIMER_NORESTART;
+}
+
+static int hellcreek_port_set_schedule(struct dsa_switch *ds, int port,
+				       const struct tc_taprio_qopt_offload *taprio)
+{
+	struct net_device *netdev = dsa_to_port(ds, port)->slave;
+	struct hellcreek *hellcreek = ds->priv;
+	struct hellcreek_port *hellcreek_port;
+	struct hellcreek_schedule *schedule;
+	unsigned long flags;
+	ktime_t start;
+	u16 ctrl;
+
+	hellcreek_port = &hellcreek->ports[port];
+
+	/* Convert taprio data to hellcreek schedule */
+	schedule = hellcreek_taprio_to_schedule(taprio);
+	if (IS_ERR(schedule))
+		return PTR_ERR(schedule);
+
+	dev_dbg(hellcreek->dev, "Configure traffic schedule on port %d\n",
+		port);
+
+	/* Cancel an in flight timer */
+	hrtimer_cancel(&hellcreek_port->cycle_start_timer);
+
+	spin_lock_irqsave(&hellcreek->reg_lock, flags);
+
+	if (hellcreek_port->current_schedule) {
+		kfree(hellcreek_port->current_schedule->entries);
+		kfree(hellcreek_port->current_schedule);
+	}
+
+	hellcreek_port->current_schedule = schedule;
+
+	/* First select port */
+	hellcreek_select_tgd(hellcreek, port);
+
+	/* Setup traffic class <-> queue mapping */
+	hellcreek_setup_tc_mapping(hellcreek, netdev);
+
+	/* Enable gating and set the admin state to forward everything in the
+	 * mean time
+	 */
+	ctrl = (0xff << TR_TGDCTRL_ADMINGATESTATES_SHIFT) | TR_TGDCTRL_GATE_EN;
+	hellcreek_write(hellcreek, ctrl, TR_TGDCTRL);
+
+	/* Cancel pending schedule */
+	hellcreek_write(hellcreek, 0x00, TR_ESTCMD);
+
+	/* Setup a new schedule */
+	hellcreek_setup_gcl(hellcreek, port, schedule);
+
+	/* Configure cycle time */
+	hellcreek_set_cycle_time(hellcreek, schedule);
+
+	/* Setup timer for schedule switch: The IP core only allows to set a
+	 * cycle start timer 8 seconds in the future. This is why we setup the
+	 * hritmer to base_time - 5 seconds. Then, we have enough time to
+	 * activate IP core's EST timer.
+	 */
+	start = ktime_sub_ns(schedule->base_time, (u64)5 * NSEC_PER_SEC);
+	hrtimer_start_range_ns(&hellcreek_port->cycle_start_timer, start,
+			       NSEC_PER_SEC, HRTIMER_MODE_ABS);
+
+	spin_unlock_irqrestore(&hellcreek->reg_lock, flags);
+
+	return 0;
+}
+
+static int hellcreek_port_del_schedule(struct dsa_switch *ds, int port)
+{
+	struct hellcreek *hellcreek = ds->priv;
+	struct hellcreek_port *hellcreek_port;
+	unsigned long flags;
+
+	hellcreek_port = &hellcreek->ports[port];
+
+	dev_dbg(hellcreek->dev, "Remove traffic schedule on port %d\n", port);
+
+	/* First cancel timer */
+	hrtimer_cancel(&hellcreek_port->cycle_start_timer);
+
+	spin_lock_irqsave(&hellcreek->reg_lock, flags);
+
+	if (hellcreek_port->current_schedule) {
+		kfree(hellcreek_port->current_schedule->entries);
+		kfree(hellcreek_port->current_schedule);
+		hellcreek_port->current_schedule = NULL;
+	}
+
+	/* Then select port */
+	hellcreek_select_tgd(hellcreek, port);
+
+	/* Revert tc mapping */
+	__hellcreek_setup_tc_identity_mapping(hellcreek);
+
+	/* Disable gating and return to regular switching flow */
+	hellcreek_write(hellcreek, 0xff << TR_TGDCTRL_ADMINGATESTATES_SHIFT,
+			TR_TGDCTRL);
+
+	spin_unlock_irqrestore(&hellcreek->reg_lock, flags);
+
+	return 0;
+}
+
+static int hellcreek_port_setup_tc(struct dsa_switch *ds, int port,
+				   enum tc_setup_type type, void *type_data)
+{
+	const struct tc_taprio_qopt_offload *taprio = type_data;
+
+	if (type != TC_SETUP_QDISC_TAPRIO)
+		return -EOPNOTSUPP;
+
+	if (taprio->enable)
+		return hellcreek_port_set_schedule(ds, port, taprio);
+
+	return hellcreek_port_del_schedule(ds, port);
+}
+
 static const struct dsa_switch_ops hellcreek_ds_ops = {
 	.get_tag_protocol    = hellcreek_get_tag_protocol,
 	.setup		     = hellcreek_setup,
@@ -1104,6 +1394,7 @@ static const struct dsa_switch_ops hellcreek_ds_ops = {
 	.port_hwtstamp_get   = hellcreek_port_hwtstamp_get,
 	.port_txtstamp	     = hellcreek_port_txtstamp,
 	.port_rxtstamp	     = hellcreek_port_rxtstamp,
+	.port_setup_tc	     = hellcreek_port_setup_tc,
 	.get_ts_info	     = hellcreek_get_ts_info,
 };
 
@@ -1135,6 +1426,9 @@ static int hellcreek_probe(struct platform_device *pdev)
 		if (!port->counter_values)
 			return -ENOMEM;
 
+		hrtimer_init(&port->cycle_start_timer, CLOCK_TAI,
+			     HRTIMER_MODE_ABS);
+		port->cycle_start_timer.function = hellcreek_set_schedule;
 		port->hellcreek = hellcreek;
 		port->port	= i;
 	}
diff --git a/drivers/net/dsa/hirschmann/hellcreek.h b/drivers/net/dsa/hirschmann/hellcreek.h
index 1d3de72a48a5..d3d1a1144857 100644
--- a/drivers/net/dsa/hirschmann/hellcreek.h
+++ b/drivers/net/dsa/hirschmann/hellcreek.h
@@ -16,6 +16,7 @@
 #include <linux/ptp_clock_kernel.h>
 #include <linux/timecounter.h>
 #include <linux/spinlock.h>
+#include <linux/hrtimer.h>
 #include <net/dsa.h>
 
 /* Ports:
@@ -210,6 +211,20 @@ struct hellcreek_counter {
 	const char *name;
 };
 
+struct hellcreek_gcl_entry {
+	u32 interval;
+	u8 gate_states;
+	bool overrun_ignore;
+};
+
+struct hellcreek_schedule {
+	struct hellcreek_gcl_entry *entries;
+	size_t num_entries;
+	ktime_t base_time;
+	u32 cycle_time;
+	int port;
+};
+
 struct hellcreek;
 
 /* State flags for hellcreek_port_hwtstamp::state */
@@ -236,6 +251,8 @@ struct hellcreek_port_hwtstamp {
 
 struct hellcreek_port {
 	struct hellcreek *hellcreek;
+	struct hellcreek_schedule *current_schedule;
+	struct hrtimer cycle_start_timer;
 	int port;
 	u16 ptcfg;		/* ptcfg shadow */
 	u64 *counter_values;
@@ -273,4 +290,8 @@ struct hellcreek {
 	size_t fdb_entries;
 };
 
+#define hrtimer_to_hellcreek_port(timer)		\
+	container_of(timer, struct hellcreek_port,	\
+		     cycle_start_timer)
+
 #endif /* _HELLCREEK_H_ */
