diff --git a/ports/atmel-samd/boards/fluff_m0/mpconfigboard.h b/ports/atmel-samd/boards/fluff_m0/mpconfigboard.h
index 0782c980df..810abc0a2f 100644
--- a/ports/atmel-samd/boards/fluff_m0/mpconfigboard.h
+++ b/ports/atmel-samd/boards/fluff_m0/mpconfigboard.h
@@ -18,3 +18,27 @@
 // USB is always used internally so skip the pin objects for it.
 #define IGNORE_PIN_PA24     1
 #define IGNORE_PIN_PA25     1
+
+// There is no port B
+#define IGNORE_PIN_PB00     1
+#define IGNORE_PIN_PB01     1
+#define IGNORE_PIN_PB02     1
+#define IGNORE_PIN_PB03     1
+#define IGNORE_PIN_PB04     1
+#define IGNORE_PIN_PB05     1
+#define IGNORE_PIN_PB06     1
+#define IGNORE_PIN_PB07     1
+#define IGNORE_PIN_PB08     1
+#define IGNORE_PIN_PB09     1
+#define IGNORE_PIN_PB10     1
+#define IGNORE_PIN_PB11     1
+#define IGNORE_PIN_PB12     1
+#define IGNORE_PIN_PB13     1
+#define IGNORE_PIN_PB14     1
+#define IGNORE_PIN_PB15     1
+#define IGNORE_PIN_PB16     1
+#define IGNORE_PIN_PB17     1
+#define IGNORE_PIN_PB22     1
+#define IGNORE_PIN_PB23     1
+#define IGNORE_PIN_PB30     1
+#define IGNORE_PIN_PB31     1
diff --git a/ports/atmel-samd/boards/fluff_m0/pins.c b/ports/atmel-samd/boards/fluff_m0/pins.c
index ac7811328b..6b56297afe 100644
--- a/ports/atmel-samd/boards/fluff_m0/pins.c
+++ b/ports/atmel-samd/boards/fluff_m0/pins.c
@@ -13,7 +13,9 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PA31) },
     { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PA00) },
+    { MP_ROM_QSTR(MP_QSTR_SDO), MP_ROM_PTR(&pin_PA00) },
     { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA30) },
+    { MP_ROM_QSTR(MP_QSTR_SDI), MP_ROM_PTR(&pin_PA30) },
 
     { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PA11) },
     { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PA11) },
@@ -31,6 +33,7 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_PA19) },
     { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA17) },
     { MP_ROM_QSTR(MP_QSTR_D14), MP_ROM_PTR(&pin_PA27) },
+    { MP_ROM_QSTR(MP_QSTR_EN), MP_ROM_PTR(&pin_PA27) },
     { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_PA28) },
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },