mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
generic GPIO support for the Freescale Coldfire 5206.
Add support for the 5206. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
parent
af39bb8b07
commit
bc25b057fa
3 changed files with 58 additions and 3 deletions
|
@ -85,9 +85,15 @@
|
|||
#define MCFSIM_PAR 0xcb /* Pin Assignment reg (r/w) */
|
||||
#endif
|
||||
|
||||
#define MCFSIM_PADDR 0x1c5 /* Parallel Direction (r/w) */
|
||||
#define MCFSIM_PADAT 0x1c9 /* Parallel Port Value (r/w) */
|
||||
#define MCFSIM_PADDR (MCF_MBAR + 0x1c5) /* Parallel Direction (r/w) */
|
||||
#define MCFSIM_PADAT (MCF_MBAR + 0x1c9) /* Parallel Port Value (r/w) */
|
||||
|
||||
/*
|
||||
* Generic GPIO
|
||||
*/
|
||||
#define MCFGPIO_PIN_MAX 8
|
||||
#define MCFGPIO_IRQ_VECBASE -1
|
||||
#define MCFGPIO_IRQ_MAX -1
|
||||
/*
|
||||
* Some symbol defines for the Parallel Port Pin Assignment Register
|
||||
*/
|
||||
|
|
|
@ -14,5 +14,5 @@
|
|||
|
||||
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
|
||||
|
||||
obj-y := config.o
|
||||
obj-y := config.o gpio.o
|
||||
|
||||
|
|
49
arch/m68knommu/platform/5206/gpio.c
Normal file
49
arch/m68knommu/platform/5206/gpio.c
Normal file
|
@ -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);
|
Loading…
Reference in a new issue