new file mode 100644
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/* ICSSG Buffer queue helpers
+ *
+ * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com
+ */
+
+#include <linux/regmap.h>
+#include "icssg_prueth.h"
+
+#define ICSSG_QUEUES_MAX 64
+#define ICSSG_QUEUE_OFFSET 0xd00
+#define ICSSG_QUEUE_PEEK_OFFSET 0xe00
+#define ICSSG_QUEUE_CNT_OFFSET 0xe40
+#define ICSSG_QUEUE_RESET_OFFSET 0xf40
+
+int __maybe_unused icssg_queue_pop(struct prueth *prueth, u8 queue)
+{
+ u32 val, cnt;
+
+ if (queue >= ICSSG_QUEUES_MAX)
+ return -EINVAL;
+
+ regmap_read(prueth->miig_rt, ICSSG_QUEUE_CNT_OFFSET + 4 * queue, &cnt);
+ if (!cnt)
+ return -EINVAL;
+
+ regmap_read(prueth->miig_rt, ICSSG_QUEUE_OFFSET + 4 * queue, &val);
+
+ return val;
+}
+
+void __maybe_unused icssg_queue_push(struct prueth *prueth, int queue, u16 addr)
+{
+ if (queue >= ICSSG_QUEUES_MAX)
+ return;
+
+ regmap_write(prueth->miig_rt, ICSSG_QUEUE_OFFSET + 4 * queue, addr);
+}