diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
index bf8f0c3bea5e..9f449b35e300 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
@@ -566,6 +566,33 @@ static const int ether_rgmii_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 static const unsigned ether_rmii_pins[] = {30, 31, 32, 33, 34, 35, 36, 37, 39,
 					   41, 42, 45};
 static const int ether_rmii_muxvals[] = {0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1};
+static const unsigned hscin0_ci_pins[] = {102, 103, 104, 105, 106, 107, 108,
+					  109, 110, 111, 112};
+static const int hscin0_ci_muxvals[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+static const unsigned hscin0_p_pins[] = {102, 103, 104, 105, 106, 107, 108, 109,
+					 110, 111, 112};
+static const int hscin0_p_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static const unsigned hscin0_s_pins[] = {116, 117, 118, 119};
+static const int hscin0_s_muxvals[] = {3, 3, 3, 3};
+static const unsigned hscin1_p_pins[] = {124, 125, 126, 127, 128, 129, 130, 131,
+					 132, 133, 134};
+static const int hscin1_p_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static const unsigned hscin1_s_pins[] = {120, 121, 122, 123};
+static const int hscin1_s_muxvals[] = {3, 3, 3, 3};
+static const unsigned hscin2_s_pins[] = {124, 125, 126, 127};
+static const int hscin2_s_muxvals[] = {3, 3, 3, 3};
+static const unsigned hscin3_s_pins[] = {129, 130, 131, 132};
+static const int hscin3_s_muxvals[] = {3, 3, 3, 3};
+static const unsigned hscout0_ci_pins[] = {113, 114, 115, 116, 117, 118, 119,
+					   120, 121, 122, 123};
+static const int hscout0_ci_muxvals[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+static const unsigned hscout0_p_pins[] = {113, 114, 115, 116, 117, 118, 119,
+					  120, 121, 122, 123};
+static const int hscout0_p_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+static const unsigned hscout0_s_pins[] = {116, 117, 118, 119};
+static const int hscout0_s_muxvals[] = {4, 4, 4, 4};
+static const unsigned hscout1_s_pins[] = {120, 121, 122, 123};
+static const int hscout1_s_muxvals[] = {4, 4, 4, 4};
 static const unsigned i2c0_pins[] = {63, 64};
 static const int i2c0_muxvals[] = {0, 0};
 static const unsigned i2c1_pins[] = {65, 66};
@@ -641,6 +668,17 @@ static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
 	UNIPHIER_PINCTRL_GROUP(emmc_dat8),
 	UNIPHIER_PINCTRL_GROUP(ether_rgmii),
 	UNIPHIER_PINCTRL_GROUP(ether_rmii),
+	UNIPHIER_PINCTRL_GROUP(hscin0_ci),
+	UNIPHIER_PINCTRL_GROUP(hscin0_p),
+	UNIPHIER_PINCTRL_GROUP(hscin0_s),
+	UNIPHIER_PINCTRL_GROUP(hscin1_p),
+	UNIPHIER_PINCTRL_GROUP(hscin1_s),
+	UNIPHIER_PINCTRL_GROUP(hscin2_s),
+	UNIPHIER_PINCTRL_GROUP(hscin3_s),
+	UNIPHIER_PINCTRL_GROUP(hscout0_ci),
+	UNIPHIER_PINCTRL_GROUP(hscout0_p),
+	UNIPHIER_PINCTRL_GROUP(hscout0_s),
+	UNIPHIER_PINCTRL_GROUP(hscout1_s),
 	UNIPHIER_PINCTRL_GROUP(i2c0),
 	UNIPHIER_PINCTRL_GROUP(i2c1),
 	UNIPHIER_PINCTRL_GROUP(i2c3),
@@ -668,6 +706,16 @@ static const char * const aoutiec1_groups[] = {"aoutiec1"};
 static const char * const emmc_groups[] = {"emmc", "emmc_dat8"};
 static const char * const ether_rgmii_groups[] = {"ether_rgmii"};
 static const char * const ether_rmii_groups[] = {"ether_rmii"};
+static const char * const hscin0_groups[] = {"hscin0_ci",
+					     "hscin0_p",
+					     "hscin0_s"};
+static const char * const hscin1_groups[] = {"hscin1_p", "hscin1_s"};
+static const char * const hscin2_groups[] = {"hscin2_s"};
+static const char * const hscin3_groups[] = {"hscin3_s"};
+static const char * const hscout0_groups[] = {"hscout0_ci",
+					      "hscout0_p",
+					      "hscout0_s"};
+static const char * const hscout1_groups[] = {"hscout1_s"};
 static const char * const i2c0_groups[] = {"i2c0"};
 static const char * const i2c1_groups[] = {"i2c1"};
 static const char * const i2c3_groups[] = {"i2c3"};
@@ -691,6 +739,12 @@ static const struct uniphier_pinmux_function uniphier_ld20_functions[] = {
 	UNIPHIER_PINMUX_FUNCTION(emmc),
 	UNIPHIER_PINMUX_FUNCTION(ether_rgmii),
 	UNIPHIER_PINMUX_FUNCTION(ether_rmii),
+	UNIPHIER_PINMUX_FUNCTION(hscin0),
+	UNIPHIER_PINMUX_FUNCTION(hscin1),
+	UNIPHIER_PINMUX_FUNCTION(hscin2),
+	UNIPHIER_PINMUX_FUNCTION(hscin3),
+	UNIPHIER_PINMUX_FUNCTION(hscout0),
+	UNIPHIER_PINMUX_FUNCTION(hscout1),
 	UNIPHIER_PINMUX_FUNCTION(i2c0),
 	UNIPHIER_PINMUX_FUNCTION(i2c1),
 	UNIPHIER_PINMUX_FUNCTION(i2c3),
