diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 4ca5a464a46a..e9719f365aab 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -285,17 +285,21 @@ static long ptp_enable_pps(struct ptp_clock *ptp, bool enable)
 		return ops->enable(ops, &req, enable);
 }
 
-static long ptp_sys_offset_precise(struct ptp_clock *ptp, void __user *arg)
+typedef int (*ptp_crosststamp_fn)(struct ptp_clock_info *,
+				  struct system_device_crosststamp *);
+
+static long ptp_sys_offset_precise(struct ptp_clock *ptp, void __user *arg,
+				   ptp_crosststamp_fn crosststamp_fn)
 {
 	struct ptp_sys_offset_precise precise_offset;
 	struct system_device_crosststamp xtstamp;
 	struct timespec64 ts;
 	int err;
 
-	if (!ptp->info->getcrosststamp)
+	if (!crosststamp_fn)
 		return -EOPNOTSUPP;
 
-	err = ptp->info->getcrosststamp(ptp->info, &xtstamp);
+	err = crosststamp_fn(ptp->info, &xtstamp);
 	if (err)
 		return err;
 
@@ -313,12 +317,17 @@ static long ptp_sys_offset_precise(struct ptp_clock *ptp, void __user *arg)
 	return copy_to_user(arg, &precise_offset, sizeof(precise_offset)) ? -EFAULT : 0;
 }
 
-static long ptp_sys_offset_extended(struct ptp_clock *ptp, void __user *arg)
+typedef int (*ptp_gettimex_fn)(struct ptp_clock_info *,
+			       struct timespec64 *,
+			       struct ptp_system_timestamp *);
+
+static long ptp_sys_offset_extended(struct ptp_clock *ptp, void __user *arg,
+				    ptp_gettimex_fn gettimex_fn)
 {
 	struct ptp_sys_offset_extended *extoff __free(kfree) = NULL;
 	struct ptp_system_timestamp sts;
 
-	if (!ptp->info->gettimex64)
+	if (!gettimex_fn)
 		return -EOPNOTSUPP;
 
 	extoff = memdup_user(arg, sizeof(*extoff));
@@ -346,7 +355,7 @@ static long ptp_sys_offset_extended(struct ptp_clock *ptp, void __user *arg)
 		struct timespec64 ts;
 		int err;
 
-		err = ptp->info->gettimex64(ptp->info, &ts, &sts);
+		err = gettimex_fn(ptp->info, &ts, &sts);
 		if (err)
 			return err;
 
@@ -497,11 +506,13 @@ long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
 
 	case PTP_SYS_OFFSET_PRECISE:
 	case PTP_SYS_OFFSET_PRECISE2:
-		return ptp_sys_offset_precise(ptp, argptr);
+		return ptp_sys_offset_precise(ptp, argptr,
+					      ptp->info->getcrosststamp);
 
 	case PTP_SYS_OFFSET_EXTENDED:
 	case PTP_SYS_OFFSET_EXTENDED2:
-		return ptp_sys_offset_extended(ptp, argptr);
+		return ptp_sys_offset_extended(ptp, argptr,
+					       ptp->info->gettimex64);
 
 	case PTP_SYS_OFFSET:
 	case PTP_SYS_OFFSET2:
@@ -523,6 +534,13 @@ long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
 	case PTP_MASK_EN_SINGLE:
 		return ptp_mask_en_single(pccontext->private_clkdata, argptr);
 
+	case PTP_SYS_OFFSET_PRECISE_CYCLES:
+		return ptp_sys_offset_precise(ptp, argptr,
+					      ptp->info->getcrosscycles);
+
+	case PTP_SYS_OFFSET_EXTENDED_CYCLES:
+		return ptp_sys_offset_extended(ptp, argptr,
+					       ptp->info->getcyclesx64);
 	default:
 		return -ENOTTY;
 	}
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 18eefa6d93d6..65f187b5f0d0 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -245,6 +245,10 @@ struct ptp_pin_desc {
 	_IOWR(PTP_CLK_MAGIC, 18, struct ptp_sys_offset_extended)
 #define PTP_MASK_CLEAR_ALL  _IO(PTP_CLK_MAGIC, 19)
 #define PTP_MASK_EN_SINGLE  _IOW(PTP_CLK_MAGIC, 20, unsigned int)
+#define PTP_SYS_OFFSET_PRECISE_CYCLES \
+	_IOWR(PTP_CLK_MAGIC, 21, struct ptp_sys_offset_precise)
+#define PTP_SYS_OFFSET_EXTENDED_CYCLES \
+	_IOWR(PTP_CLK_MAGIC, 22, struct ptp_sys_offset_extended)
 
 struct ptp_extts_event {
 	struct ptp_clock_time t; /* Time event occurred. */