diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
index 8a5ecd6..eba7eb6 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
@@ -504,6 +504,8 @@ static const unsigned uart2_pins[] = {90, 91};
 static const int uart2_muxvals[] = {1, 1};
 static const unsigned uart3_pins[] = {94, 95};
 static const int uart3_muxvals[] = {1, 1};
+static const unsigned uart3_ctsrts_pins[] = {96, 97, 98, 99, 100, 101};
+static const int uart3_ctsrts_muxvals[] = {1, 1, 1, 1, 1, 1};
 static const unsigned usb0_pins[] = {46, 47};
 static const int usb0_muxvals[] = {0, 0};
 static const unsigned usb1_pins[] = {48, 49};
@@ -562,6 +564,7 @@ static const struct uniphier_pinctrl_group uniphier_ld11_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
+	UNIPHIER_PINCTRL_GROUP(uart3_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(usb0),
 	UNIPHIER_PINCTRL_GROUP(usb1),
 	UNIPHIER_PINCTRL_GROUP(usb2),
@@ -586,7 +589,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 static const char * const uart0_groups[] = {"uart0"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
-static const char * const uart3_groups[] = {"uart3"};
+static const char * const uart3_groups[] = {"uart3", "uart3_ctsrts"};
 static const char * const usb0_groups[] = {"usb0"};
 static const char * const usb1_groups[] = {"usb1"};
 static const char * const usb2_groups[] = {"usb2"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
index 3be7967..353a33d 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
@@ -591,6 +591,8 @@ static const unsigned uart2_pins[] = {90, 91};
 static const int uart2_muxvals[] = {1, 1};
 static const unsigned uart3_pins[] = {94, 95};
 static const int uart3_muxvals[] = {1, 1};
+static const unsigned uart3_ctsrts_pins[] = {96, 97, 98, 99, 100, 101};
+static const int uart3_ctsrts_muxvals[] = {1, 1, 1, 1, 1, 1};
 static const unsigned usb0_pins[] = {46, 47};
 static const int usb0_muxvals[] = {0, 0};
 static const unsigned usb1_pins[] = {48, 49};
@@ -648,6 +650,7 @@ static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
+	UNIPHIER_PINCTRL_GROUP(uart3_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(usb0),
 	UNIPHIER_PINCTRL_GROUP(usb1),
 	UNIPHIER_PINCTRL_GROUP(usb2),
@@ -672,7 +675,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 static const char * const uart0_groups[] = {"uart0"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
-static const char * const uart3_groups[] = {"uart3"};
+static const char * const uart3_groups[] = {"uart3", "uart3_ctsrts"};
 static const char * const usb0_groups[] = {"usb0"};
 static const char * const usb1_groups[] = {"usb1"};
 static const char * const usb2_groups[] = {"usb2"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
index 8403828..0b10ebc 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld4.c
@@ -590,6 +590,8 @@ static const unsigned system_bus_cs3_pins[] = {156};
 static const int system_bus_cs3_muxvals[] = {1};
 static const unsigned uart0_pins[] = {85, 88};
 static const int uart0_muxvals[] = {1, 1};
+static const unsigned uart0_ctsrts_pins[] = {86, 87, 89};
+static const int uart0_ctsrts_muxvals[] = {1, 1, 1};
 static const unsigned uart1_pins[] = {155, 156};
 static const int uart1_muxvals[] = {13, 13};
 static const unsigned uart1b_pins[] = {69, 70};
@@ -644,6 +646,7 @@ static const struct uniphier_pinctrl_group uniphier_ld4_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs2),
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs3),
 	UNIPHIER_PINCTRL_GROUP(uart0),
+	UNIPHIER_PINCTRL_GROUP(uart0_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart1b),
 	UNIPHIER_PINCTRL_GROUP(uart2),
@@ -669,7 +672,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs1",
 						 "system_bus_cs2",
 						 "system_bus_cs3"};
-static const char * const uart0_groups[] = {"uart0"};
+static const char * const uart0_groups[] = {"uart0", "uart0_ctsrts"};
 static const char * const uart1_groups[] = {"uart1", "uart1b"};
 static const char * const uart2_groups[] = {"uart2"};
 static const char * const uart3_groups[] = {"uart3"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
index 493a90c..8e4d45fe 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld6b.c
@@ -785,6 +785,8 @@ static const unsigned system_bus_cs5_pins[] = {55};
 static const int system_bus_cs5_muxvals[] = {6};
 static const unsigned uart0_pins[] = {135, 136};
 static const int uart0_muxvals[] = {3, 3};
+static const unsigned uart0_ctsrts_pins[] = {137, 138, 139, 140, 141, 124};
+static const int uart0_ctsrts_muxvals[] = {3, 3, 3, 3, 3, 3};
 static const unsigned uart0b_pins[] = {11, 12};
 static const int uart0b_muxvals[] = {2, 2};
 static const unsigned uart1_pins[] = {115, 116};
@@ -856,6 +858,7 @@ static const struct uniphier_pinctrl_group uniphier_ld6b_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs4),
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs5),
 	UNIPHIER_PINCTRL_GROUP(uart0),
+	UNIPHIER_PINCTRL_GROUP(uart0_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart0b),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart1b),
@@ -885,7 +888,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs3",
 						 "system_bus_cs4",
 						 "system_bus_cs5"};
-static const char * const uart0_groups[] = {"uart0", "uart0b"};
+static const char * const uart0_groups[] = {"uart0", "uart0_ctsrts", "uart0b"};
 static const char * const uart1_groups[] = {"uart1", "uart1b"};
 static const char * const uart2_groups[] = {"uart2", "uart2b"};
 static const char * const usb0_groups[] = {"usb0"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
index 603204a..24788a7 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c
@@ -1078,6 +1078,8 @@ static const unsigned uart2_pins[] = {131, 132};
 static const int uart2_muxvals[] = {0, 0};
 static const unsigned uart3_pins[] = {88, 89};
 static const int uart3_muxvals[] = {2, 2};
+static const unsigned uart3_ctsrts_pins[] = {80, 81, 82, 83, 90, 91};
+static const int uart3_ctsrts_muxvals[] = {2, 2, 2, 2, 2, 2};
 static const unsigned usb0_pins[] = {180, 181};
 static const int usb0_muxvals[] = {0, 0};
 static const unsigned usb1_pins[] = {182, 183};
@@ -1149,6 +1151,7 @@ static const struct uniphier_pinctrl_group uniphier_pro4_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
+	UNIPHIER_PINCTRL_GROUP(uart3_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(usb0),
 	UNIPHIER_PINCTRL_GROUP(usb1),
 	UNIPHIER_PINCTRL_GROUP(usb2),
@@ -1180,7 +1183,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 static const char * const uart0_groups[] = {"uart0"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
-static const char * const uart3_groups[] = {"uart3"};
+static const char * const uart3_groups[] = {"uart3", "uart3_ctsrts"};
 static const char * const usb0_groups[] = {"usb0"};
 static const char * const usb1_groups[] = {"usb1"};
 static const char * const usb2_groups[] = {"usb2"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
index 9381a4f..d5d5e57 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro5.c
@@ -842,6 +842,8 @@ static const unsigned uart0_pins[] = {47, 48};
 static const int uart0_muxvals[] = {0, 0};
 static const unsigned uart0b_pins[] = {227, 228};
 static const int uart0b_muxvals[] = {3, 3};
+static const unsigned uart0b_ctsrts_pins[] = {229, 230, 231, 232, 233, 234};
+static const int uart0b_ctsrts_muxvals[] = {3, 3, 3, 3, 3, 3};
 static const unsigned uart1_pins[] = {49, 50};
 static const int uart1_muxvals[] = {0, 0};
 static const unsigned uart2_pins[] = {51, 52};
@@ -913,6 +915,7 @@ static const struct uniphier_pinctrl_group uniphier_pro5_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs7),
 	UNIPHIER_PINCTRL_GROUP(uart0),
 	UNIPHIER_PINCTRL_GROUP(uart0b),
+	UNIPHIER_PINCTRL_GROUP(uart0b_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
@@ -940,7 +943,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs5",
 						 "system_bus_cs6",
 						 "system_bus_cs7"};
-static const char * const uart0_groups[] = {"uart0", "uart0b"};
+static const char * const uart0_groups[] = {"uart0", "uart0b", "uart0b_ctsrts"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
 static const char * const uart3_groups[] = {"uart3"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
index c0ef40a..769960e 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs2.c
@@ -774,6 +774,8 @@ static const unsigned uart0_pins[] = {217, 218};
 static const int uart0_muxvals[] = {8, 8};
 static const unsigned uart0b_pins[] = {179, 180};
 static const int uart0b_muxvals[] = {10, 10};
+static const unsigned uart0b_ctsrts_pins[] = {176, 177, 178, 183, 184, 185};
+static const int uart0b_ctsrts_muxvals[] = {10, 10, 10, 10, 10, 10};
 static const unsigned uart1_pins[] = {115, 116};
 static const int uart1_muxvals[] = {8, 8};
 static const unsigned uart2_pins[] = {113, 114};
@@ -842,6 +844,7 @@ static const struct uniphier_pinctrl_group uniphier_pxs2_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs1),
 	UNIPHIER_PINCTRL_GROUP(uart0),
 	UNIPHIER_PINCTRL_GROUP(uart0b),
+	UNIPHIER_PINCTRL_GROUP(uart0b_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
@@ -868,7 +871,7 @@ static const char * const nand_groups[] = {"nand", "nand_cs1"};
 static const char * const sd_groups[] = {"sd"};
 static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs1"};
-static const char * const uart0_groups[] = {"uart0", "uart0b"};
+static const char * const uart0_groups[] = {"uart0", "uart0b", "uart0b_ctsrts"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
 static const char * const uart3_groups[] = {"uart3", "uart3b"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs3.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs3.c
index dbe94a9..535bb2e 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs3.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pxs3.c
@@ -816,6 +816,8 @@ static const unsigned int system_bus_cs1_pins[] = {15};
 static const int system_bus_cs1_muxvals[] = {0};
 static const unsigned int uart0_pins[] = {92, 93};
 static const int uart0_muxvals[] = {0, 0};
+static const unsigned int uart0_ctsrts_pins[] = {243, 244, 245, 246, 247, 248};
+static const int uart0_ctsrts_muxvals[] = {3, 3, 3, 3, 3, 3};
 static const unsigned int uart1_pins[] = {94, 95};
 static const int uart1_muxvals[] = {0, 0};
 static const unsigned int uart2_pins[] = {96, 97};
@@ -887,6 +889,7 @@ static const struct uniphier_pinctrl_group uniphier_pxs3_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus),
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs1),
 	UNIPHIER_PINCTRL_GROUP(uart0),
+	UNIPHIER_PINCTRL_GROUP(uart0_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
@@ -912,7 +915,7 @@ static const char * const nand_groups[] = {"nand"};
 static const char * const sd_groups[] = {"sd"};
 static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs1"};
-static const char * const uart0_groups[] = {"uart0"};
+static const char * const uart0_groups[] = {"uart0", "uart0_ctsrts"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
 static const char * const uart3_groups[] = {"uart3"};
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
index 1af430d..0f921a6 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-sld8.c
@@ -520,6 +520,8 @@ static const unsigned system_bus_cs5_pins[] = {13};
 static const int system_bus_cs5_muxvals[] = {1};
 static const unsigned uart0_pins[] = {70, 71};
 static const int uart0_muxvals[] = {3, 3};
+static const unsigned uart0_ctsrts_pins[] = {72, 73, 74};
+static const int uart0_ctsrts_muxvals[] = {3, 3, 3};
 static const unsigned uart1_pins[] = {114, 115};
 static const int uart1_muxvals[] = {0, 0};
 static const unsigned uart2_pins[] = {112, 113};
@@ -575,6 +577,7 @@ static const struct uniphier_pinctrl_group uniphier_sld8_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs4),
 	UNIPHIER_PINCTRL_GROUP(system_bus_cs5),
 	UNIPHIER_PINCTRL_GROUP(uart0),
+	UNIPHIER_PINCTRL_GROUP(uart0_ctsrts),
 	UNIPHIER_PINCTRL_GROUP(uart1),
 	UNIPHIER_PINCTRL_GROUP(uart2),
 	UNIPHIER_PINCTRL_GROUP(uart3),
@@ -601,7 +604,7 @@ static const char * const system_bus_groups[] = {"system_bus",
 						 "system_bus_cs3",
 						 "system_bus_cs4",
 						 "system_bus_cs5"};
-static const char * const uart0_groups[] = {"uart0"};
+static const char * const uart0_groups[] = {"uart0", "uart0_ctsrts"};
 static const char * const uart1_groups[] = {"uart1"};
 static const char * const uart2_groups[] = {"uart2"};
 static const char * const uart3_groups[] = {"uart3"};
