/* * Coldfire generic GPIO support * * (C) Copyright 2009, Steven King <sfking@fdwdc.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/kernel.h> #include <linux/init.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfgpio.h> static struct mcf_gpio_chip mcf_gpio_chips[] = { { .gpio_chip = { .label = "PP", .request = mcf_gpio_request, .free = mcf_gpio_free, .direction_input = mcf_gpio_direction_input, .direction_output = mcf_gpio_direction_output, .get = mcf_gpio_get_value, .set = mcf_gpio_set_value, .ngpio = 16, }, .pddr = MCFSIM_PADDR, .podr = MCFSIM_PADAT, .ppdr = MCFSIM_PADAT, }, }; static int __init mcf_gpio_init(void) { unsigned i = 0; while (i < ARRAY_SIZE(mcf_gpio_chips)) (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); return 0; } core_initcall(mcf_gpio_init);