1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Empty gpio.h 4 * 5 * This file must stay as arch/arm/include/asm/gpio.h requires it. 6 * 7 * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com> 8 */ 9