diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index 9f05157e..b74cdd3 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -1656,6 +1656,221 @@ static const unsigned int canfd1_data_mux[] = {
 	CANFD1_TX_MARK,         CANFD1_RX_MARK,
 };
 
+/* - DRIF0 --------------------------------------------------------------- */
+static const unsigned int drif0_ctrl_a_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 8), RCAR_GP_PIN(6, 9),
+};
+static const unsigned int drif0_ctrl_a_mux[] = {
+	RIF0_CLK_A_MARK, RIF0_SYNC_A_MARK,
+};
+static const unsigned int drif0_data0_a_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 10),
+};
+static const unsigned int drif0_data0_a_mux[] = {
+	RIF0_D0_A_MARK,
+};
+static const unsigned int drif0_data1_a_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 7),
+};
+static const unsigned int drif0_data1_a_mux[] = {
+	RIF0_D1_A_MARK,
+};
+static const unsigned int drif0_ctrl_b_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(5, 0), RCAR_GP_PIN(5, 4),
+};
+static const unsigned int drif0_ctrl_b_mux[] = {
+	RIF0_CLK_B_MARK, RIF0_SYNC_B_MARK,
+};
+static const unsigned int drif0_data0_b_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(5, 1),
+};
+static const unsigned int drif0_data0_b_mux[] = {
+	RIF0_D0_B_MARK,
+};
+static const unsigned int drif0_data1_b_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(5, 2),
+};
+static const unsigned int drif0_data1_b_mux[] = {
+	RIF0_D1_B_MARK,
+};
+static const unsigned int drif0_ctrl_c_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(5, 12), RCAR_GP_PIN(5, 15),
+};
+static const unsigned int drif0_ctrl_c_mux[] = {
+	RIF0_CLK_C_MARK, RIF0_SYNC_C_MARK,
+};
+static const unsigned int drif0_data0_c_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(5, 13),
+};
+static const unsigned int drif0_data0_c_mux[] = {
+	RIF0_D0_C_MARK,
+};
+static const unsigned int drif0_data1_c_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(5, 14),
+};
+static const unsigned int drif0_data1_c_mux[] = {
+	RIF0_D1_C_MARK,
+};
+/* - DRIF1 --------------------------------------------------------------- */
+static const unsigned int drif1_ctrl_a_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 17), RCAR_GP_PIN(6, 18),
+};
+static const unsigned int drif1_ctrl_a_mux[] = {
+	RIF1_CLK_A_MARK, RIF1_SYNC_A_MARK,
+};
+static const unsigned int drif1_data0_a_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 19),
+};
+static const unsigned int drif1_data0_a_mux[] = {
+	RIF1_D0_A_MARK,
+};
+static const unsigned int drif1_data1_a_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 20),
+};
+static const unsigned int drif1_data1_a_mux[] = {
+	RIF1_D1_A_MARK,
+};
+static const unsigned int drif1_ctrl_b_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(5, 9), RCAR_GP_PIN(5, 3),
+};
+static const unsigned int drif1_ctrl_b_mux[] = {
+	RIF1_CLK_B_MARK, RIF1_SYNC_B_MARK,
+};
+static const unsigned int drif1_data0_b_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(5, 7),
+};
+static const unsigned int drif1_data0_b_mux[] = {
+	RIF1_D0_B_MARK,
+};
+static const unsigned int drif1_data1_b_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(5, 8),
+};
+static const unsigned int drif1_data1_b_mux[] = {
+	RIF1_D1_B_MARK,
+};
+static const unsigned int drif1_ctrl_c_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(5, 5), RCAR_GP_PIN(5, 11),
+};
+static const unsigned int drif1_ctrl_c_mux[] = {
+	RIF1_CLK_C_MARK, RIF1_SYNC_C_MARK,
+};
+static const unsigned int drif1_data0_c_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(5, 6),
+};
+static const unsigned int drif1_data0_c_mux[] = {
+	RIF1_D0_C_MARK,
+};
+static const unsigned int drif1_data1_c_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(5, 10),
+};
+static const unsigned int drif1_data1_c_mux[] = {
+	RIF1_D1_C_MARK,
+};
+/* - DRIF2 --------------------------------------------------------------- */
+static const unsigned int drif2_ctrl_a_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 8), RCAR_GP_PIN(6, 9),
+};
+static const unsigned int drif2_ctrl_a_mux[] = {
+	RIF2_CLK_A_MARK, RIF2_SYNC_A_MARK,
+};
+static const unsigned int drif2_data0_a_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 7),
+};
+static const unsigned int drif2_data0_a_mux[] = {
+	RIF2_D0_A_MARK,
+};
+static const unsigned int drif2_data1_a_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 10),
+};
+static const unsigned int drif2_data1_a_mux[] = {
+	RIF2_D1_A_MARK,
+};
+static const unsigned int drif2_ctrl_b_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 26), RCAR_GP_PIN(6, 27),
+};
+static const unsigned int drif2_ctrl_b_mux[] = {
+	RIF2_CLK_B_MARK, RIF2_SYNC_B_MARK,
+};
+static const unsigned int drif2_data0_b_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 30),
+};
+static const unsigned int drif2_data0_b_mux[] = {
+	RIF2_D0_B_MARK,
+};
+static const unsigned int drif2_data1_b_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 31),
+};
+static const unsigned int drif2_data1_b_mux[] = {
+	RIF2_D1_B_MARK,
+};
+/* - DRIF3 --------------------------------------------------------------- */
+static const unsigned int drif3_ctrl_a_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 17), RCAR_GP_PIN(6, 18),
+};
+static const unsigned int drif3_ctrl_a_mux[] = {
+	RIF3_CLK_A_MARK, RIF3_SYNC_A_MARK,
+};
+static const unsigned int drif3_data0_a_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 19),
+};
+static const unsigned int drif3_data0_a_mux[] = {
+	RIF3_D0_A_MARK,
+};
+static const unsigned int drif3_data1_a_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 20),
+};
+static const unsigned int drif3_data1_a_mux[] = {
+	RIF3_D1_A_MARK,
+};
+static const unsigned int drif3_ctrl_b_pins[] = {
+	/* CLK, SYNC */
+	RCAR_GP_PIN(6, 24), RCAR_GP_PIN(6, 25),
+};
+static const unsigned int drif3_ctrl_b_mux[] = {
+	RIF3_CLK_B_MARK, RIF3_SYNC_B_MARK,
+};
+static const unsigned int drif3_data0_b_pins[] = {
+	/* D0 */
+	RCAR_GP_PIN(6, 28),
+};
+static const unsigned int drif3_data0_b_mux[] = {
+	RIF3_D0_B_MARK,
+};
+static const unsigned int drif3_data1_b_pins[] = {
+	/* D1 */
+	RCAR_GP_PIN(6, 29),
+};
+static const unsigned int drif3_data1_b_mux[] = {
+	RIF3_D1_B_MARK,
+};
+
 /* - HSCIF0 ----------------------------------------------------------------- */
 static const unsigned int hscif0_data_pins[] = {
 	/* RX, TX */
@@ -3348,6 +3563,36 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(canfd0_data_a),
 	SH_PFC_PIN_GROUP(canfd0_data_b),
 	SH_PFC_PIN_GROUP(canfd1_data),
+	SH_PFC_PIN_GROUP(drif0_ctrl_a),
+	SH_PFC_PIN_GROUP(drif0_data0_a),
+	SH_PFC_PIN_GROUP(drif0_data1_a),
+	SH_PFC_PIN_GROUP(drif0_ctrl_b),
+	SH_PFC_PIN_GROUP(drif0_data0_b),
+	SH_PFC_PIN_GROUP(drif0_data1_b),
+	SH_PFC_PIN_GROUP(drif0_ctrl_c),
+	SH_PFC_PIN_GROUP(drif0_data0_c),
+	SH_PFC_PIN_GROUP(drif0_data1_c),
+	SH_PFC_PIN_GROUP(drif1_ctrl_a),
+	SH_PFC_PIN_GROUP(drif1_data0_a),
+	SH_PFC_PIN_GROUP(drif1_data1_a),
+	SH_PFC_PIN_GROUP(drif1_ctrl_b),
+	SH_PFC_PIN_GROUP(drif1_data0_b),
+	SH_PFC_PIN_GROUP(drif1_data1_b),
+	SH_PFC_PIN_GROUP(drif1_ctrl_c),
+	SH_PFC_PIN_GROUP(drif1_data0_c),
+	SH_PFC_PIN_GROUP(drif1_data1_c),
+	SH_PFC_PIN_GROUP(drif2_ctrl_a),
+	SH_PFC_PIN_GROUP(drif2_data0_a),
+	SH_PFC_PIN_GROUP(drif2_data1_a),
+	SH_PFC_PIN_GROUP(drif2_ctrl_b),
+	SH_PFC_PIN_GROUP(drif2_data0_b),
+	SH_PFC_PIN_GROUP(drif2_data1_b),
+	SH_PFC_PIN_GROUP(drif3_ctrl_a),
+	SH_PFC_PIN_GROUP(drif3_data0_a),
+	SH_PFC_PIN_GROUP(drif3_data1_a),
+	SH_PFC_PIN_GROUP(drif3_ctrl_b),
+	SH_PFC_PIN_GROUP(drif3_data0_b),
+	SH_PFC_PIN_GROUP(drif3_data1_b),
 	SH_PFC_PIN_GROUP(hscif0_data),
 	SH_PFC_PIN_GROUP(hscif0_clk),
 	SH_PFC_PIN_GROUP(hscif0_ctrl),
@@ -3631,6 +3876,48 @@ static const char * const canfd1_groups[] = {
 	"canfd1_data",
 };
 
+static const char * const drif0_groups[] = {
+	"drif0_ctrl_a",
+	"drif0_data0_a",
+	"drif0_data1_a",
+	"drif0_ctrl_b",
+	"drif0_data0_b",
+	"drif0_data1_b",
+	"drif0_ctrl_c",
+	"drif0_data0_c",
+	"drif0_data1_c",
+};
+
+static const char * const drif1_groups[] = {
+	"drif1_ctrl_a",
+	"drif1_data0_a",
+	"drif1_data1_a",
+	"drif1_ctrl_b",
+	"drif1_data0_b",
+	"drif1_data1_b",
+	"drif1_ctrl_c",
+	"drif1_data0_c",
+	"drif1_data1_c",
+};
+
+static const char * const drif2_groups[] = {
+	"drif2_ctrl_a",
+	"drif2_data0_a",
+	"drif2_data1_a",
+	"drif2_ctrl_b",
+	"drif2_data0_b",
+	"drif2_data1_b",
+};
+
+static const char * const drif3_groups[] = {
+	"drif3_ctrl_a",
+	"drif3_data0_a",
+	"drif3_data1_a",
+	"drif3_ctrl_b",
+	"drif3_data0_b",
+	"drif3_data1_b",
+};
+
 static const char * const hscif0_groups[] = {
 	"hscif0_data",
 	"hscif0_clk",
@@ -3974,6 +4261,10 @@ static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(can_clk),
 	SH_PFC_FUNCTION(canfd0),
 	SH_PFC_FUNCTION(canfd1),
+	SH_PFC_FUNCTION(drif0),
+	SH_PFC_FUNCTION(drif1),
+	SH_PFC_FUNCTION(drif2),
+	SH_PFC_FUNCTION(drif3),
 	SH_PFC_FUNCTION(hscif0),
 	SH_PFC_FUNCTION(hscif1),
 	SH_PFC_FUNCTION(hscif2),
