diff --git a/drivers/bus/mhi/core/mhi_init.c b/drivers/bus/mhi/core/mhi_init.c
index 448cfba9466e..5415d64745c9 100644
--- a/drivers/bus/mhi/core/mhi_init.c
+++ b/drivers/bus/mhi/core/mhi_init.c
@@ -354,6 +354,11 @@ static int mhi_init_debugfs_mhi_chan_open(struct inode *inode, struct file *fp)
 	return single_open(fp, mhi_debugfs_mhi_chan_show, inode->i_private);
 }
 
+static int mhi_init_debugfs_mhi_vote_open(struct inode *inode, struct file *fp)
+{
+	return single_open(fp, mhi_debugfs_mhi_vote_show, inode->i_private);
+}
+
 static const struct file_operations debugfs_state_ops = {
 	.open = mhi_init_debugfs_mhi_states_open,
 	.release = single_release,
@@ -372,6 +377,12 @@ static const struct file_operations debugfs_chan_ops = {
 	.read = seq_read,
 };
 
+static const struct file_operations debugfs_vote_ops = {
+	.open = mhi_init_debugfs_mhi_vote_open,
+	.release = single_release,
+	.read = seq_read,
+};
+
 DEFINE_DEBUGFS_ATTRIBUTE(debugfs_trigger_reset_fops, NULL,
 			 mhi_debugfs_trigger_reset, "%llu\n");
 
@@ -397,6 +408,8 @@ void mhi_init_debugfs(struct mhi_controller *mhi_cntrl)
 				   &debugfs_ev_ops);
 	debugfs_create_file_unsafe("chan", 0444, dentry, mhi_cntrl,
 				   &debugfs_chan_ops);
+	debugfs_create_file_unsafe("vote", 0444, dentry, mhi_cntrl,
+				   &debugfs_vote_ops);
 	debugfs_create_file_unsafe("reset", 0444, dentry, mhi_cntrl,
 				   &debugfs_trigger_reset_fops);
 	mhi_cntrl->dentry = dentry;
diff --git a/drivers/bus/mhi/core/mhi_internal.h b/drivers/bus/mhi/core/mhi_internal.h
index fba758dc85da..1aac055944e8 100644
--- a/drivers/bus/mhi/core/mhi_internal.h
+++ b/drivers/bus/mhi/core/mhi_internal.h
@@ -751,6 +751,7 @@ extern struct mhi_bus mhi_bus;
 struct mhi_controller *find_mhi_controller_by_name(const char *name);
 
 /* debug fs related functions */
+int mhi_debugfs_mhi_vote_show(struct seq_file *m, void *d);
 int mhi_debugfs_mhi_chan_show(struct seq_file *m, void *d);
 int mhi_debugfs_mhi_event_show(struct seq_file *m, void *d);
 int mhi_debugfs_mhi_states_show(struct seq_file *m, void *d);
diff --git a/drivers/bus/mhi/core/mhi_main.c b/drivers/bus/mhi/core/mhi_main.c
index b8ececaed85f..fac3dab5e382 100644
--- a/drivers/bus/mhi/core/mhi_main.c
+++ b/drivers/bus/mhi/core/mhi_main.c
@@ -2249,6 +2249,49 @@ int mhi_debugfs_mhi_chan_show(struct seq_file *m, void *d)
 	return 0;
 }
 
+/* show bus/device votes for a specific device */
+static int mhi_device_vote_show(struct device *dev, void *data)
+{
+	struct mhi_device *mhi_dev;
+	struct mhi_controller *mhi_cntrl;
+
+	if (dev->bus != &mhi_bus_type)
+		return 0;
+
+	mhi_dev = to_mhi_device(dev);
+	mhi_cntrl = mhi_dev->mhi_cntrl;
+
+	/* we dont care about timesync or similar special devices */
+	if (mhi_dev->dev_type == MHI_TIMESYNC_TYPE)
+		return 0;
+
+	seq_printf((struct seq_file *)data, "%s: device:%u, bus:%u\n",
+		   mhi_dev->chan_name, atomic_read(&mhi_dev->dev_vote),
+		   atomic_read(&mhi_dev->bus_vote));
+
+	return 0;
+}
+
+int mhi_debugfs_mhi_vote_show(struct seq_file *m, void *d)
+{
+	struct mhi_controller *mhi_cntrl = m->private;
+	struct mhi_device *mhi_dev;
+
+	if (!mhi_cntrl)
+		return 0;
+
+	mhi_dev = mhi_cntrl->mhi_dev;
+
+	seq_printf(m, "At %llu ns:\n", sched_clock());
+	seq_printf(m, "%s: device:%u, bus:%u\n", mhi_dev->chan_name,
+		   atomic_read(&mhi_dev->dev_vote),
+		   atomic_read(&mhi_dev->bus_vote));
+
+	device_for_each_child(mhi_cntrl->dev, m, mhi_device_vote_show);
+
+	return 0;
+}
+
 /* move channel to start state */
 int mhi_prepare_for_transfer(struct mhi_device *mhi_dev)
 {