diff --git a/drivers/renesas/rcar/qos/D3/qos_init_d3.c b/drivers/renesas/rcar/qos/D3/qos_init_d3.c
index b96e822f3..8e1ebcb41 100644
--- a/drivers/renesas/rcar/qos/D3/qos_init_d3.c
+++ b/drivers/renesas/rcar/qos/D3/qos_init_d3.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -18,7 +18,7 @@
 
 struct rcar_gen3_dbsc_qos_settings d3_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBSCHCNT0, 0x000F0037 },
 	{ DBSC_DBSCHSZ0, 0x00000001 },
diff --git a/drivers/renesas/rcar/qos/E3/qos_init_e3_v10.c b/drivers/renesas/rcar/qos/E3/qos_init_e3_v10.c
index 6f4c66cbc..1931dd1b8 100644
--- a/drivers/renesas/rcar/qos/E3/qos_init_e3_v10.c
+++ b/drivers/renesas/rcar/qos/E3/qos_init_e3_v10.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2018-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -28,7 +28,7 @@
 
 struct rcar_gen3_dbsc_qos_settings e3_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBSCHCNT0, 0x000F0037 },
 	{ DBSC_DBSCHSZ0, 0x00000001 },
diff --git a/drivers/renesas/rcar/qos/H3/qos_init_h3_v11.c b/drivers/renesas/rcar/qos/H3/qos_init_h3_v11.c
index 329bcb82c..6d9331315 100644
--- a/drivers/renesas/rcar/qos/H3/qos_init_h3_v11.c
+++ b/drivers/renesas/rcar/qos/H3/qos_init_h3_v11.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -21,7 +21,7 @@
 struct rcar_gen3_dbsc_qos_settings h3_v11_qos[] = {
 	/* BUFCAM settings */
 	/* DBSC_DBCAM0CNF0 not set */
-	{ DBSC_DBCAM0CNF1, 0x00044218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	/* DBSC_DBCAM0CNF3 not set */
 	{ DBSC_DBSCHCNT0, 0x080F0037 },
diff --git a/drivers/renesas/rcar/qos/H3/qos_init_h3_v20.c b/drivers/renesas/rcar/qos/H3/qos_init_h3_v20.c
index c20ab0866..f44da8722 100644
--- a/drivers/renesas/rcar/qos/H3/qos_init_h3_v20.c
+++ b/drivers/renesas/rcar/qos/H3/qos_init_h3_v20.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -63,7 +63,7 @@
 
 struct rcar_gen3_dbsc_qos_settings h3_v20_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218U },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4U },
 	{ DBSC_DBCAM0CNF3, 0x00000000U },
 	{ DBSC_DBSCHCNT0, 0x000F0037U },
diff --git a/drivers/renesas/rcar/qos/H3/qos_init_h3_v30.c b/drivers/renesas/rcar/qos/H3/qos_init_h3_v30.c
index 1fe6182b6..867d9e07e 100644
--- a/drivers/renesas/rcar/qos/H3/qos_init_h3_v30.c
+++ b/drivers/renesas/rcar/qos/H3/qos_init_h3_v30.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2018-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -62,7 +62,7 @@
 
 struct rcar_gen3_dbsc_qos_settings h3_v30_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218U },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4U },
 	{ DBSC_DBCAM0CNF3, 0x00000000U },
 	{ DBSC_DBSCHCNT0, 0x000F0037U },
diff --git a/drivers/renesas/rcar/qos/H3/qos_init_h3n_v30.c b/drivers/renesas/rcar/qos/H3/qos_init_h3n_v30.c
index f1ee41b97..d758dbf5c 100644
--- a/drivers/renesas/rcar/qos/H3/qos_init_h3n_v30.c
+++ b/drivers/renesas/rcar/qos/H3/qos_init_h3n_v30.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2018-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -62,7 +62,7 @@
 
 struct rcar_gen3_dbsc_qos_settings h3n_v30_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218U },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4U },
 	{ DBSC_DBCAM0CNF3, 0x00000000U },
 	{ DBSC_DBSCHCNT0, 0x000F0037U },
diff --git a/drivers/renesas/rcar/qos/M3/qos_init_m3_v10.c b/drivers/renesas/rcar/qos/M3/qos_init_m3_v10.c
index a8264cb2a..d096d0123 100644
--- a/drivers/renesas/rcar/qos/M3/qos_init_m3_v10.c
+++ b/drivers/renesas/rcar/qos/M3/qos_init_m3_v10.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2015-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -19,7 +19,7 @@
 struct rcar_gen3_dbsc_qos_settings m3_v10_qos[] = {
 	/* BUFCAM settings */
 	/* DBSC_DBCAM0CNF0 not set */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBCAM0CNF3, 0x00000000 },
 	{ DBSC_DBSCHCNT0, 0x080F0037 },
diff --git a/drivers/renesas/rcar/qos/M3/qos_init_m3_v11.c b/drivers/renesas/rcar/qos/M3/qos_init_m3_v11.c
index 22fd83a90..640fe8036 100644
--- a/drivers/renesas/rcar/qos/M3/qos_init_m3_v11.c
+++ b/drivers/renesas/rcar/qos/M3/qos_init_m3_v11.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2017-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -62,7 +62,7 @@
 
 struct rcar_gen3_dbsc_qos_settings m3_v11_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBCAM0CNF3, 0x00000000 },
 	{ DBSC_DBSCHCNT0, 0x000F0037 },
diff --git a/drivers/renesas/rcar/qos/M3/qos_init_m3_v30.c b/drivers/renesas/rcar/qos/M3/qos_init_m3_v30.c
index 43d21d71c..f5ca4b661 100644
--- a/drivers/renesas/rcar/qos/M3/qos_init_m3_v30.c
+++ b/drivers/renesas/rcar/qos/M3/qos_init_m3_v30.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2019-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -62,7 +62,7 @@
 
 struct rcar_gen3_dbsc_qos_settings m3_v30_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBCAM0CNF3, 0x00000000 },
 	{ DBSC_DBSCHCNT0, 0x000F0037 },
diff --git a/drivers/renesas/rcar/qos/M3N/qos_init_m3n_v10.c b/drivers/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
index 446340bb4..95c6ac9a9 100644
--- a/drivers/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
+++ b/drivers/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019, Renesas Electronics Corporation. All rights reserved.
+ * Copyright (c) 2017-2024, Renesas Electronics Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -60,7 +60,7 @@
 
 struct rcar_gen3_dbsc_qos_settings m3n_v10_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00043218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBSCHCNT0, 0x000F0037 },
 	{ DBSC_DBSCHSZ0, 0x00000001 },
diff --git a/drivers/renesas/rcar/qos/V3M/qos_init_v3m.c b/drivers/renesas/rcar/qos/V3M/qos_init_v3m.c
index 076876ccb..4e1734cd7 100644
--- a/drivers/renesas/rcar/qos/V3M/qos_init_v3m.c
+++ b/drivers/renesas/rcar/qos/V3M/qos_init_v3m.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2019, Renesas Electronics Corporation
+ * Copyright (c) 2015-2024, Renesas Electronics Corporation
  * All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
@@ -19,7 +19,7 @@
 
 struct rcar_gen3_dbsc_qos_settings v3m_qos[] = {
 	/* BUFCAM settings */
-	{ DBSC_DBCAM0CNF1, 0x00044218 },
+	{ DBSC_DBCAM0CNF1, 0x00048218U },
 	{ DBSC_DBCAM0CNF2, 0x000000F4 },
 	{ DBSC_DBSCHCNT0, 0x080F003F },
 	{ DBSC_DBSCHCNT1, 0x00001010 },