diff --git a/configs/lpc4330-xplorer/src/up_autoleds.c b/configs/lpc4330-xplorer/src/up_autoleds.c
index 89b2a10202..b19e334591 100644
--- a/configs/lpc4330-xplorer/src/up_autoleds.c
+++ b/configs/lpc4330-xplorer/src/up_autoleds.c
@@ -124,8 +124,8 @@
 #ifdef LED_VERBOSE
 static void led_dumppins(FAR const char *msg)
 {
-  lpc43_dumppinconfig(PINCONFIG_LED1, msg);
-  lpc43_dumpgpio(GPIO_LED2, msg);
+  lpc43_pin_dump(PINCONFIG_LED1, msg);
+  lpc43_gpio_dump(GPIO_LED2, msg);
 }
 #else
 #  define led_dumppins(m)
@@ -147,11 +147,11 @@ void up_ledinit(void)
 
   /* Configure LED pins as GPIOs, then configure GPIOs as outputs */
 
-  lpc43_pinconfig(PINCONFIG_LED1);
-  lpc43_gpioconfig(GPIO_LED1);
+  lpc43_pin_config(PINCONFIG_LED1);
+  lpc43_gpio_config(GPIO_LED1);
 
-  lpc43_pinconfig(PINCONFIG_LED2);
-  lpc43_gpioconfig(GPIO_LED2);
+  lpc43_pin_config(PINCONFIG_LED2);
+  lpc43_gpio_config(GPIO_LED2);
 
   led_dumppins("up_ledinit() Exit");
 }
@@ -166,17 +166,17 @@ void up_ledon(int led)
     {
       default:
       case 0:
-        lpc43_gpiowrite(GPIO_LED1, true);   /* LED1 OFF */
-        lpc43_gpiowrite(GPIO_LED2, true);   /* LED2 OFF */
+        lpc43_gpio_write(GPIO_LED1, true);   /* LED1 OFF */
+        lpc43_gpio_write(GPIO_LED2, true);   /* LED2 OFF */
         break;
 
       case 1:
-        lpc43_gpiowrite(GPIO_LED1, false);  /* LED1 ON */
-        lpc43_gpiowrite(GPIO_LED2, true);   /* LED2 OFF */
+        lpc43_gpio_write(GPIO_LED1, false);  /* LED1 ON */
+        lpc43_gpio_write(GPIO_LED2, true);   /* LED2 OFF */
         break;
 
       case 2:
-        lpc43_gpiowrite(GPIO_LED2, false);  /* LED2 ON */
+        lpc43_gpio_write(GPIO_LED2, false);  /* LED2 ON */
         break;
     }
 }
@@ -195,7 +195,7 @@ void up_ledoff(int led)
         break;
 
       case 2:
-        lpc43_gpiowrite(GPIO_LED2, true);  /* LED2 OFF */
+        lpc43_gpio_write(GPIO_LED2, true);  /* LED2 OFF */
         break;
     }
 }
diff --git a/configs/lpc4330-xplorer/src/up_buttons.c b/configs/lpc4330-xplorer/src/up_buttons.c
index cd3e1583fe..841f52b23f 100644
--- a/configs/lpc4330-xplorer/src/up_buttons.c
+++ b/configs/lpc4330-xplorer/src/up_buttons.c
@@ -142,7 +142,7 @@ uint8_t up_buttons(void)
     {
        /* A LOW value means that the key is pressed. */
 
-       bool released = lpc43_gpioread(g_buttoncfg[i]);
+       bool released = lpc43_gpio_read(g_buttoncfg[i]);
 
        /* Accumulate the set of depressed (not released) keys */
 
diff --git a/configs/lpc4330-xplorer/src/up_userleds.c b/configs/lpc4330-xplorer/src/up_userleds.c
index 0f7ccee505..e7b4b11894 100644
--- a/configs/lpc4330-xplorer/src/up_userleds.c
+++ b/configs/lpc4330-xplorer/src/up_userleds.c
@@ -102,8 +102,8 @@
 #ifdef LED_VERBOSE
 static void led_dumppins(FAR const char *msg)
 {
-  lpc43_dumppinconfig(PINCONFIG_LED1, msg);
-  lpc43_dumpgpio(GPIO_LED2, msg);
+  lpc43_pin_dump(PINCONFIG_LED1, msg);
+  lpc43_gpio_dump(GPIO_LED2, msg);
 }
 #else
 #  define led_dumppins(m)
@@ -125,11 +125,11 @@ void lpc43_ledinit(void)
 
   /* Configure LED pins as GPIOs, then configure GPIOs as outputs */
 
-  lpc43_pinconfig(PINCONFIG_LED1);
-  lpc43_gpioconfig(GPIO_LED1);
+  lpc43_pin_config(PINCONFIG_LED1);
+  lpc43_gpio_config(GPIO_LED1);
 
-  lpc43_pinconfig(PINCONFIG_LED2);
-  lpc43_gpioconfig(GPIO_LED2);
+  lpc43_pin_config(PINCONFIG_LED2);
+  lpc43_gpio_config(GPIO_LED2);
 
   led_dumppins("lpc43_ledinit() Exit");
 }
@@ -141,7 +141,7 @@ void lpc43_ledinit(void)
 void lpc43_setled(int led, bool ledon)
 {
   uint16_t gpiocfg = (led == BOARD_LED1 ? BOARD_LED1 : BOARD_LED2);
-  lpc43_gpiowrite(GPIO_LED1, !ledon);
+  lpc43_gpio_write(GPIO_LED1, !ledon);
 }
 
 /****************************************************************************
@@ -150,8 +150,8 @@ void lpc43_setled(int led, bool ledon)
 
 void lpc43_setleds(uint8_t ledset)
 {
-  lpc43_gpiowrite(BOARD_LED1, (ledset & BOARD_LED1_BIT) == 0);
-  lpc43_gpiowrite(BOARD_LED2, (ledset & BOARD_LED2_BIT) == 0);
+  lpc43_gpio_write(BOARD_LED1, (ledset & BOARD_LED1_BIT) == 0);
+  lpc43_gpio_write(BOARD_LED2, (ledset & BOARD_LED2_BIT) == 0);
 }
 
 #endif /* !CONFIG_ARCH_LEDS */