diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
index b662ae7..15ee469 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
@@ -53,10 +53,10 @@
 	UNIPHIER_PINCTRL_GROUP(i2c4),
 	UNIPHIER_PINCTRL_GROUP(nand),
 	UNIPHIER_PINCTRL_GROUP(sd),
-	UNIPHIER_PINCTRL_GROUP(uart0),
-	UNIPHIER_PINCTRL_GROUP(uart1),
-	UNIPHIER_PINCTRL_GROUP(uart2),
-	UNIPHIER_PINCTRL_GROUP(uart3),
+	UNIPHIER_PINCTRL_GROUP_SPL(uart0),
+	UNIPHIER_PINCTRL_GROUP_SPL(uart1),
+	UNIPHIER_PINCTRL_GROUP_SPL(uart2),
+	UNIPHIER_PINCTRL_GROUP_SPL(uart3),
 	UNIPHIER_PINCTRL_GROUP(usb0),
 	UNIPHIER_PINCTRL_GROUP(usb1),
 	UNIPHIER_PINCTRL_GROUP(usb2),
@@ -64,21 +64,21 @@
 };
 
 static const char * const uniphier_ld20_functions[] = {
-	"emmc",
-	"i2c0",
-	"i2c1",
-	"i2c3",
-	"i2c4",
-	"nand",
-	"sd",
-	"uart0",
-	"uart1",
-	"uart2",
-	"uart3",
-	"usb0",
-	"usb1",
-	"usb2",
-	"usb3",
+	UNIPHIER_PINMUX_FUNCTION(emmc),
+	UNIPHIER_PINMUX_FUNCTION(i2c0),
+	UNIPHIER_PINMUX_FUNCTION(i2c1),
+	UNIPHIER_PINMUX_FUNCTION(i2c3),
+	UNIPHIER_PINMUX_FUNCTION(i2c4),
+	UNIPHIER_PINMUX_FUNCTION(nand),
+	UNIPHIER_PINMUX_FUNCTION(sd),
+	UNIPHIER_PINMUX_FUNCTION_SPL(uart0),
+	UNIPHIER_PINMUX_FUNCTION_SPL(uart1),
+	UNIPHIER_PINMUX_FUNCTION_SPL(uart2),
+	UNIPHIER_PINMUX_FUNCTION_SPL(uart3),
+	UNIPHIER_PINMUX_FUNCTION(usb0),
+	UNIPHIER_PINMUX_FUNCTION(usb1),
+	UNIPHIER_PINMUX_FUNCTION(usb2),
+	UNIPHIER_PINMUX_FUNCTION(usb3),
 };
 
 static struct uniphier_pinctrl_socdata uniphier_ld20_pinctrl_socdata = {