diff --git a/drivers/staging/renesas/rcar/qos/qos_init.c b/drivers/staging/renesas/rcar/qos/qos_init.c
index affd425..895f43f 100644
--- a/drivers/staging/renesas/rcar/qos/qos_init.c
+++ b/drivers/staging/renesas/rcar/qos/qos_init.c
@@ -41,6 +41,9 @@
 #if RCAR_LSI == RCAR_E3		/* E3 */
 #include "E3/qos_init_e3_v10.h"
 #endif
+#if RCAR_LSI == RCAR_D3		/* D3 */
+#include "D3/qos_init_d3.h"
+#endif
 
  /* Product Register */
 #define PRR			(0xFFF00044U)
@@ -50,13 +53,14 @@
 #define PRR_PRODUCT_M3		(0x00005200U)	/* R-Car M3 */
 #define PRR_PRODUCT_M3N		(0x00005500U)	/* R-Car M3N */
 #define PRR_PRODUCT_E3		(0x00005700U)	/* R-Car E3 */
+#define PRR_PRODUCT_D3		(0x00005800U)	/* R-Car D3 */
 #define PRR_PRODUCT_10		(0x00U)
 #define PRR_PRODUCT_11		(0x01U)
 #define PRR_PRODUCT_20		(0x10U)
 #define PRR_PRODUCT_21		(0x11U)
 #define PRR_PRODUCT_30		(0x20U)
 
-#if !(RCAR_LSI == RCAR_E3)
+#if (RCAR_LSI != RCAR_E3) && (RCAR_LSI != RCAR_D3)
 
 #define DRAM_CH_CNT			0x04
 uint32_t qos_init_ddr_ch;
@@ -81,7 +85,7 @@
 void rcar_qos_init(void)
 {
 	uint32_t reg;
-#if !(RCAR_LSI == RCAR_E3)
+#if (RCAR_LSI != RCAR_E3) && (RCAR_LSI != RCAR_D3)
 	uint32_t i;
 
 	qos_init_ddr_ch = 0;
@@ -166,6 +170,18 @@
 		PRR_PRODUCT_ERR(reg);
 #endif
 		break;
+	case PRR_PRODUCT_D3:
+#if (RCAR_LSI == RCAR_D3)
+		switch (reg & PRR_CUT_MASK) {
+		case PRR_PRODUCT_10:
+		default:
+			qos_init_d3();
+			break;
+		}
+#else
+		PRR_PRODUCT_ERR(reg);
+#endif
+		break;
 	default:
 		PRR_PRODUCT_ERR(reg);
 		break;
@@ -245,6 +261,13 @@
 		PRR_PRODUCT_ERR(reg);
 	}
 	qos_init_m3n_v10();
+#elif RCAR_LSI == RCAR_D3	/* D3 */
+	/* D3 Cut 10 or later */
+	if ((PRR_PRODUCT_D3)
+	    != (reg & (PRR_PRODUCT_MASK))) {
+		PRR_PRODUCT_ERR(reg);
+	}
+	qos_init_d3();
 #elif RCAR_LSI == RCAR_E3	/* E3 */
 	/* E3 Cut 10 or later */
 	if ((PRR_PRODUCT_E3)
@@ -258,7 +281,7 @@
 #endif
 }
 
-#if !(RCAR_LSI == RCAR_E3)
+#if (RCAR_LSI != RCAR_E3) && (RCAR_LSI != RCAR_D3)
 uint32_t get_refperiod(void)
 {
 	uint32_t refperiod = QOSWT_WTSET0_CYCLE;