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sfking@fdwdc.com
authored and
Greg Ungerer
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Sep 10, 2009
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--- | ||
refs/heads/master: f1554da34f11518bde33776c292c1b58fc20f073 | ||
refs/heads/master: 316f2c483c32e9385329303258d12e6e33892af5 |
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asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 | ||
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obj-y := config.o | ||
obj-y := config.o gpio.o | ||
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/* | ||
* 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. | ||
*/ | ||
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#include <linux/kernel.h> | ||
#include <linux/init.h> | ||
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#include <asm/coldfire.h> | ||
#include <asm/mcfsim.h> | ||
#include <asm/mcfgpio.h> | ||
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static struct mcf_gpio_chip mcf_gpio_chips[] = { | ||
{ | ||
.gpio_chip = { | ||
.label = "PA", | ||
.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, | ||
}, | ||
{ | ||
.gpio_chip = { | ||
.label = "PB", | ||
.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, | ||
.base = 16, | ||
.ngpio = 16, | ||
}, | ||
.pddr = MCFSIM_PBDDR, | ||
.podr = MCFSIM_PBDAT, | ||
.ppdr = MCFSIM_PBDAT, | ||
}, | ||
{ | ||
.gpio_chip = { | ||
.label = "PC", | ||
.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, | ||
.base = 32, | ||
.ngpio = 16, | ||
}, | ||
.pddr = MCFSIM_PCDDR, | ||
.podr = MCFSIM_PCDAT, | ||
.ppdr = MCFSIM_PCDAT, | ||
}, | ||
}; | ||
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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; | ||
} | ||
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core_initcall(mcf_gpio_init); |