diff --git a/drivers/net/wwan/t7xx/Makefile b/drivers/net/wwan/t7xx/Makefile
index 63e1c67b82b5..9eec2e2472fb 100644
--- a/drivers/net/wwan/t7xx/Makefile
+++ b/drivers/net/wwan/t7xx/Makefile
@@ -12,3 +12,4 @@ mtk_t7xx-y:=	t7xx_pci.o \
 		t7xx_hif_cldma.o  \
 		t7xx_port_proxy.o  \
 		t7xx_port_ctrl_msg.o \
+		t7xx_port_wwan.o \
diff --git a/drivers/net/wwan/t7xx/t7xx_port_proxy.c b/drivers/net/wwan/t7xx/t7xx_port_proxy.c
index 67219319e9f7..4c6f255c4d2f 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_proxy.c
+++ b/drivers/net/wwan/t7xx/t7xx_port_proxy.c
@@ -51,6 +51,30 @@
 
 static struct t7xx_port_static t7xx_md_ports[] = {
 	{
+		.tx_ch = PORT_CH_UART2_TX,
+		.rx_ch = PORT_CH_UART2_RX,
+		.txq_index = Q_IDX_AT_CMD,
+		.rxq_index = Q_IDX_AT_CMD,
+		.txq_exp_index = 0xff,
+		.rxq_exp_index = 0xff,
+		.path_id = ID_CLDMA1,
+		.flags = PORT_F_RX_CHAR_NODE,
+		.ops = &wwan_sub_port_ops,
+		.name = "AT",
+		.port_type = WWAN_PORT_AT,
+	}, {
+		.tx_ch = PORT_CH_MBIM_TX,
+		.rx_ch = PORT_CH_MBIM_RX,
+		.txq_index = Q_IDX_MBIM,
+		.rxq_index = Q_IDX_MBIM,
+		.txq_exp_index = 0,
+		.rxq_exp_index = 0,
+		.path_id = ID_CLDMA1,
+		.flags = PORT_F_RX_CHAR_NODE,
+		.ops = &wwan_sub_port_ops,
+		.name = "MBIM",
+		.port_type = WWAN_PORT_MBIM,
+	}, {
 		.tx_ch = PORT_CH_CONTROL_TX,
 		.rx_ch = PORT_CH_CONTROL_RX,
 		.txq_index = Q_IDX_CTRL,
diff --git a/drivers/net/wwan/t7xx/t7xx_port_proxy.h b/drivers/net/wwan/t7xx/t7xx_port_proxy.h
index 06ccda839445..1f49d1ef6bad 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_proxy.h
+++ b/drivers/net/wwan/t7xx/t7xx_port_proxy.h
@@ -67,6 +67,7 @@ struct port_msg {
 #define PORT_ENUM_VER_MISMATCH	0x00657272
 
 /* Port operations mapping */
+extern struct port_ops wwan_sub_port_ops;
 extern struct port_ops ctl_port_ops;
 
 int t7xx_port_proxy_send_skb(struct t7xx_port *port, struct sk_buff *skb);
diff --git a/drivers/net/wwan/t7xx/t7xx_port_wwan.c b/drivers/net/wwan/t7xx/t7xx_port_wwan.c
new file mode 100644
index 000000000000..79831291e490
--- /dev/null
+++ b/drivers/net/wwan/t7xx/t7xx_port_wwan.c
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2021, MediaTek Inc.
+ * Copyright (c) 2021, Intel Corporation.
+ *
+ * Authors:
+ *  Amir Hanania <amir.hanania@intel.com>
+ *  Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
+ *  Haijun Liu <haijun.liu@mediatek.com>
+ *  Moises Veleta <moises.veleta@intel.com>
+ *  Ricardo Martinez<ricardo.martinez@linux.intel.com>
+ *
+ * Contributors:
+ *  Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ *  Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
+ *  Eliot Lee <eliot.lee@intel.com>
+ *  Sreehari Kancharla <sreehari.kancharla@intel.com>
+ */
+
+#include <linux/atomic.h>
+#include <linux/bitfield.h>
+#include <linux/dev_printk.h>
+#include <linux/err.h>
+#include <linux/gfp.h>
+#include <linux/minmax.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/wwan.h>
+
+#include "t7xx_common.h"
+#include "t7xx_port.h"
+#include "t7xx_port_proxy.h"
+#include "t7xx_state_monitor.h"
+
+static int t7xx_port_ctrl_start(struct wwan_port *port)
+{
+	struct t7xx_port *port_mtk = wwan_port_get_drvdata(port);
+
+	if (atomic_read(&port_mtk->usage_cnt))
+		return -EBUSY;
+
+	atomic_inc(&port_mtk->usage_cnt);
+	return 0;
+}
+
+static void t7xx_port_ctrl_stop(struct wwan_port *port)
+{
+	struct t7xx_port *port_mtk = wwan_port_get_drvdata(port);
+
+	atomic_dec(&port_mtk->usage_cnt);
+}
+
+static inline bool t7xx_port_wwan_multipkt_capable(struct t7xx_port_static *port)
+{
+	return port->tx_ch == PORT_CH_MBIM_TX ||
+		(port->tx_ch >= PORT_CH_DSS0_TX && port->tx_ch <= PORT_CH_DSS7_TX);
+}
+
+static int t7xx_port_ctrl_tx(struct wwan_port *port, struct sk_buff *skb)
+{
+	struct t7xx_port *port_private = wwan_port_get_drvdata(port);
+	size_t actual_count = 0, alloc_size = 0, txq_mtu = 0;
+	struct t7xx_port_static *port_static;
+	int i, multi_packet = 1, ret = 0;
+	struct sk_buff *skb_ccci = NULL;
+	struct t7xx_fsm_ctl *ctl;
+	enum md_state md_state;
+	unsigned int count;
+	bool port_multi;
+
+	count = skb->len;
+	if (!count)
+		return -EINVAL;
+
+	port_static = port_private->port_static;
+	ctl = port_private->t7xx_dev->md->fsm_ctl;
+	md_state = t7xx_fsm_get_md_state(ctl);
+	if (md_state == MD_STATE_WAITING_FOR_HS1 || md_state == MD_STATE_WAITING_FOR_HS2) {
+		dev_warn(port_private->dev, "Cannot write to %s port when md_state=%d\n",
+			 port_static->name, md_state);
+		return -ENODEV;
+	}
+
+	txq_mtu = CLDMA_TXQ_MTU;
+
+	if (port_private->flags & PORT_F_USER_HEADER) {
+		if (port_private->flags & PORT_F_USER_HEADER && count > txq_mtu) {
+			dev_err(port_private->dev, "Packet %u larger than MTU on %s port\n",
+				count, port_static->name);
+			return -ENOMEM;
+		}
+
+		alloc_size = min_t(size_t, txq_mtu, count);
+		actual_count = alloc_size;
+	} else {
+		alloc_size = min_t(size_t, txq_mtu, count + CCCI_H_ELEN);
+		actual_count = alloc_size - CCCI_H_ELEN;
+		port_multi = t7xx_port_wwan_multipkt_capable(port_static);
+		if ((count + CCCI_H_ELEN > txq_mtu) && port_multi)
+			multi_packet = DIV_ROUND_UP(count, txq_mtu - CCCI_H_ELEN);
+	}
+
+	for (i = 0; i < multi_packet; i++) {
+		struct ccci_header *ccci_h = NULL;
+
+		if (multi_packet > 1 && multi_packet == i + 1) {
+			actual_count = count % (txq_mtu - CCCI_H_ELEN);
+			alloc_size = actual_count + CCCI_H_ELEN;
+		}
+
+		skb_ccci = __dev_alloc_skb(alloc_size, GFP_KERNEL);
+		if (!skb_ccci)
+			return -ENOMEM;
+
+		ccci_h = skb_put(skb_ccci, CCCI_H_LEN);
+		ccci_h->packet_header = 0;
+		ccci_h->packet_len = cpu_to_le32(actual_count + CCCI_H_LEN);
+		ccci_h->status &= cpu_to_le32(~HDR_FLD_CHN);
+		ccci_h->status |= cpu_to_le32(FIELD_PREP(HDR_FLD_CHN, port_static->tx_ch));
+		ccci_h->ex_msg = 0;
+
+		memcpy(skb_put(skb_ccci, actual_count), skb->data + i * (txq_mtu - CCCI_H_ELEN),
+		       actual_count);
+
+		t7xx_port_proxy_set_seq_num(port_private, ccci_h);
+
+		ret = t7xx_port_send_skb_to_md(port_private, skb_ccci, true);
+		if (ret)
+			goto err_free_skb;
+
+		port_private->seq_nums[MTK_TX]++;
+
+		if (multi_packet == 1)
+			return actual_count;
+		else if (multi_packet == i + 1)
+			return count;
+	}
+
+err_free_skb:
+	if (ret != -ENOMEM) {
+		dev_err(port_private->dev, "Write error on %s port, %d\n", port_static->name, ret);
+		dev_kfree_skb_any(skb_ccci);
+	}
+
+	return ret;
+}
+
+static const struct wwan_port_ops wwan_ops = {
+	.start = t7xx_port_ctrl_start,
+	.stop = t7xx_port_ctrl_stop,
+	.tx = t7xx_port_ctrl_tx,
+};
+
+static int t7xx_port_wwan_init(struct t7xx_port *port)
+{
+	struct t7xx_port_static *port_static = port->port_static;
+
+	port->rx_length_th = MAX_RX_QUEUE_LENGTH;
+	port->flags |= PORT_F_RX_ADJUST_HEADER;
+
+	if (port_static->rx_ch == PORT_CH_UART2_RX)
+		port->flags |= PORT_F_RX_CH_TRAFFIC;
+
+	if (port_static->port_type != WWAN_PORT_UNKNOWN) {
+		port->wwan_port = wwan_create_port(port->dev, port_static->port_type,
+						   &wwan_ops, port);
+		if (IS_ERR(port->wwan_port))
+			return PTR_ERR(port->wwan_port);
+	} else {
+		port->wwan_port = NULL;
+	}
+
+	return 0;
+}
+
+static void t7xx_port_wwan_uninit(struct t7xx_port *port)
+{
+	if (port->wwan_port) {
+		if (port->chn_crt_stat) {
+			spin_lock(&port->port_update_lock);
+			port->chn_crt_stat = false;
+			spin_unlock(&port->port_update_lock);
+		}
+
+		wwan_remove_port(port->wwan_port);
+		port->wwan_port = NULL;
+	}
+}
+
+static int t7xx_port_wwan_recv_skb(struct t7xx_port *port, struct sk_buff *skb)
+{
+	struct t7xx_port_static *port_static = port->port_static;
+
+	if (port->flags & PORT_F_RX_CHAR_NODE) {
+		if (!atomic_read(&port->usage_cnt)) {
+			dev_err_ratelimited(port->dev, "Port %s is not opened, drop packets\n",
+					    port_static->name);
+			return -ENETDOWN;
+		}
+	}
+
+	return t7xx_port_recv_skb(port, skb);
+}
+
+static void port_status_update(struct t7xx_port *port)
+{
+	if (port->flags & PORT_F_RX_CHAR_NODE) {
+		if (port->chan_enable) {
+			port->flags &= ~PORT_F_RX_ALLOW_DROP;
+		} else {
+			port->flags |= PORT_F_RX_ALLOW_DROP;
+			spin_lock(&port->port_update_lock);
+			port->chn_crt_stat = false;
+			spin_unlock(&port->port_update_lock);
+		}
+	}
+}
+
+static int t7xx_port_wwan_enable_chl(struct t7xx_port *port)
+{
+	spin_lock(&port->port_update_lock);
+	port->chan_enable = true;
+	spin_unlock(&port->port_update_lock);
+
+	if (port->chn_crt_stat != port->chan_enable)
+		port_status_update(port);
+
+	return 0;
+}
+
+static int t7xx_port_wwan_disable_chl(struct t7xx_port *port)
+{
+	spin_lock(&port->port_update_lock);
+	port->chan_enable = false;
+	spin_unlock(&port->port_update_lock);
+
+	if (port->chn_crt_stat != port->chan_enable)
+		port_status_update(port);
+
+	return 0;
+}
+
+static void t7xx_port_wwan_md_state_notify(struct t7xx_port *port, unsigned int state)
+{
+	if (state == MD_STATE_READY)
+		port_status_update(port);
+}
+
+struct port_ops wwan_sub_port_ops = {
+	.init = &t7xx_port_wwan_init,
+	.recv_skb = &t7xx_port_wwan_recv_skb,
+	.uninit = &t7xx_port_wwan_uninit,
+	.enable_chl = &t7xx_port_wwan_enable_chl,
+	.disable_chl = &t7xx_port_wwan_disable_chl,
+	.md_state_notify = &t7xx_port_wwan_md_state_notify,
+};
