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diff --git a/circuitpython/shared-bindings/paralleldisplay/ParallelBus.h b/circuitpython/shared-bindings/paralleldisplay/ParallelBus.h
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+++ b/circuitpython/shared-bindings/paralleldisplay/ParallelBus.h
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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#pragma once
+
+#include "common-hal/paralleldisplay/ParallelBus.h"
+
+#include "common-hal/microcontroller/Pin.h"
+#include "shared-bindings/displayio/__init__.h"
+#include "shared-module/displayio/Group.h"
+
+extern const mp_obj_type_t paralleldisplay_parallelbus_type;
+
+void common_hal_paralleldisplay_parallelbus_construct(paralleldisplay_parallelbus_obj_t *self,
+    const mcu_pin_obj_t *data0, const mcu_pin_obj_t *command, const mcu_pin_obj_t *chip_select,
+    const mcu_pin_obj_t *write, const mcu_pin_obj_t *read, const mcu_pin_obj_t *reset, uint32_t frequency);
+
+void common_hal_paralleldisplay_parallelbus_construct_nonsequential(paralleldisplay_parallelbus_obj_t *self,
+    uint8_t n_pins, const mcu_pin_obj_t **data_pins, const mcu_pin_obj_t *command, const mcu_pin_obj_t *chip_select,
+    const mcu_pin_obj_t *write, const mcu_pin_obj_t *read, const mcu_pin_obj_t *reset, uint32_t frequency);
+
+void common_hal_paralleldisplay_parallelbus_deinit(paralleldisplay_parallelbus_obj_t *self);
+
+bool common_hal_paralleldisplay_parallelbus_reset(mp_obj_t self);
+bool common_hal_paralleldisplay_parallelbus_bus_free(mp_obj_t self);
+
+bool common_hal_paralleldisplay_parallelbus_begin_transaction(mp_obj_t self);
+
+void common_hal_paralleldisplay_parallelbus_send(mp_obj_t self, display_byte_type_t byte_type,
+    display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length);
+
+void common_hal_paralleldisplay_parallelbus_end_transaction(mp_obj_t self);