diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index da528d07b815..b4f12013d487 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -779,6 +779,78 @@ static void xhci_debugfs_create_bandwidth(struct xhci_hcd *xhci,
 			  parent, &bw_fops);
 }
 
+static void list_ring_segments(struct seq_file *s, struct xhci_ring *ring)
+{
+	struct xhci_segment *seg;
+
+	xhci_for_each_ring_seg(ring->first_seg, seg)
+		seq_printf(s, "%.3x: %pad\n", seg->num, &seg->dma);
+}
+
+static void list_event_ring_segments(struct seq_file *s, struct xhci_interrupter *ir)
+{
+	struct xhci_segment *seg;
+
+	seq_printf(s, "IR%d ERST: %pad\n", ir->intr_num, &ir->erst.erst_dma_addr);
+	xhci_for_each_ring_seg(ir->event_ring->first_seg, seg)
+		seq_printf(s, "%.3x: %pad %c= %.16llx %.8x\n", seg->num, &seg->dma,
+				ir->erst.entries[seg->num].seg_addr == seg->dma ? '=' : '!',
+				ir->erst.entries[seg->num].seg_addr,
+				ir->erst.entries[seg->num].seg_size);
+	seq_putc(s, '\n');
+}
+
+static int xhci_memory_show(struct seq_file *s, void *unused)
+{
+	struct xhci_hcd		*xhci = (struct xhci_hcd *)s->private;
+	int			num_sp = HCS_MAX_SCRATCHPAD(xhci->hcs_params2);
+
+	if (!xhci)
+		return -EFAULT;
+
+	seq_puts(s, "CR:\n");
+	list_ring_segments(s, xhci->cmd_ring);
+	seq_putc(s, '\n');
+
+	for (int i = 0; i < 1; i++)
+		if (xhci->interrupters[i])
+			list_event_ring_segments(s, xhci->interrupters[i]);
+
+	seq_printf(s, "DCBAA: %pad\n", &xhci->dcbaa->dma);
+	for (int i = 0; i < MAX_HC_SLOTS; i++)
+		seq_printf(s, "%.3x: %pad\n", i, xhci->dcbaa->dev_context_ptrs + i);
+	seq_putc(s, '\n');
+
+	if (xhci->scratchpad) {
+		seq_printf(s, "SBA: %pad\n", &xhci->scratchpad->sp_dma);
+		for (int i = 0; i < num_sp; i++)
+			seq_printf(s, "%.3x: %pad\n", i, xhci->scratchpad->sp_array + i);
+		seq_putc(s, '\n');
+	}
+
+	for (int d = 1; d < MAX_HC_SLOTS; d++)
+		for (int e = 0; e < EP_CTX_PER_DEV; e++)
+			if (xhci->devs[d] && xhci->devs[d]->eps[e].ring) {
+				seq_printf(s, "DEV %d EP %d:\n", d, e);
+				list_ring_segments(s, xhci->devs[d]->eps[e].ring);
+				seq_putc(s, '\n');
+			}
+
+	return 0;
+}
+
+static int memory_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, xhci_memory_show, inode->i_private);
+}
+
+static const struct file_operations memory_fops = {
+	.open			= memory_open,
+	.read			= seq_read,
+	.llseek			= seq_lseek,
+	.release		= single_release,
+};
+
 void xhci_debugfs_init(struct xhci_hcd *xhci)
 {
 	struct device		*dev = xhci_to_hcd(xhci)->self.controller;
@@ -831,6 +903,8 @@ void xhci_debugfs_init(struct xhci_hcd *xhci)
 	xhci_debugfs_create_ports(xhci, xhci->debugfs_root);
 
 	xhci_debugfs_create_bandwidth(xhci, xhci->debugfs_root);
+
+	debugfs_create_file("memory", 0444, xhci->debugfs_root, xhci, &memory_fops);
 }
 
 void xhci_debugfs_exit(struct xhci_hcd *xhci)