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generic GPIO support for the Freescale Coldire 5206e.

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Add support for the 5206e.

Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
sfking@fdwdc.com 2009-06-19 18:11:02 -07:00 committed by Greg Ungerer
parent bc25b057fa
commit 24a1836ecd
3 changed files with 51 additions and 1 deletions
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2
arch/m68knommu/platform/5206e/Makefile
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@ -14,5 +14,5 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
obj-y := config.o
obj-y := config.o gpio.o

1
arch/m68knommu/platform/5206e/config.c
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@ -15,6 +15,7 @@
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfuart.h>
#include <asm/mcfdma.h>
#include <asm/mcfuart.h>

49
arch/m68knommu/platform/5206e/gpio.c Normal file
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@ -0,0 +1,49 @@
/*
* 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 = 8,
},
.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);