diff --git a/src/platform/PICO/io_pico.c b/src/platform/PICO/io_pico.c
index 8e7b8f3942..75ba6cf200 100644
--- a/src/platform/PICO/io_pico.c
+++ b/src/platform/PICO/io_pico.c
@@ -87,13 +87,26 @@ void IOToggle(IO_t io)
 
 void IOConfigGPIO(IO_t io, ioConfig_t cfg)
 {
+    /*
+TODO: update to support the following
+IOCFG_AF_PP
+IOCFG_IN_FLOATING
+IOCFG_IPD
+IOCFG_IPU
+IOCFG_OUT_OD
+IOCFG_OUT_PP
+IO_RESET_CFG
+
+SPI_IO_CS_CFG (as defined)
+SPI_IO_CS_HIGH_CFG (as defined)
+    */
     if (!io) {
         return;
     }
 
     uint16_t ioPin = IO_Pin(io);
     gpio_init(ioPin);
-    gpio_set_dir(ioPin, (cfg & 0x01));
+    gpio_set_dir(ioPin, (cfg & 0x01)); // 0 = in, 1 = out
 }
 
 IO_t IOGetByTag(ioTag_t tag)
diff --git a/src/platform/PICO/platform_mcu.h b/src/platform/PICO/platform_mcu.h
index 578e151f70..aa9bdd37c1 100644
--- a/src/platform/PICO/platform_mcu.h
+++ b/src/platform/PICO/platform_mcu.h
@@ -31,12 +31,6 @@
 
 #define NVIC_PriorityGroup_2         0x500
 
-#define SPI_IO_AF_CFG           0
-#define SPI_IO_AF_SCK_CFG_HIGH  0
-#define SPI_IO_AF_SCK_CFG_LOW   0
-#define SPI_IO_AF_SDI_CFG       0
-#define SPI_IO_CS_CFG           0
-
 #if defined(RP2350A) || defined(RP2350B)
 
 typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
@@ -84,6 +78,7 @@ typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
 
 #define IO_CONFIG(mode, speed, pupd) ((mode) | ((speed) << 2) | ((pupd) << 5))
 
+// TODO update these and IOConfigGPIO
 #define IOCFG_OUT_PP          IO_CONFIG(GPIO_OUT, 0, 0)
 #define IOCFG_OUT_OD          IO_CONFIG(GPIO_OUT, 0, 0)
 #define IOCFG_AF_PP           0
@@ -92,6 +87,14 @@ typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
 #define IOCFG_IPU             IO_CONFIG(GPIO_IN, 0, 0)
 #define IOCFG_IN_FLOATING     IO_CONFIG(GPIO_IN, 0, 0)
 
+// TODO update these and IOConfigGPIO
+#define SPI_IO_AF_CFG           0
+#define SPI_IO_AF_SCK_CFG_HIGH  0
+#define SPI_IO_AF_SCK_CFG_LOW   0
+#define SPI_IO_AF_SDI_CFG       0
+#define SPI_IO_CS_CFG           0
+
+
 #define SERIAL_UART_FIRST_INDEX     0
 
 extern uint32_t systemUniqueId[3];