| /* |
| * 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 = (void __iomem *) MCFSIM_PADDR, |
| .podr = (void __iomem *) MCFSIM_PADAT, |
| .ppdr = (void __iomem *) 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); |
