aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68knommu/platform/5249/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68knommu/platform/5249/gpio.c')
-rw-r--r--arch/m68knommu/platform/5249/gpio.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/5249/gpio.c b/arch/m68knommu/platform/5249/gpio.c
new file mode 100644
index 00000000000..c611eab8b3b
--- /dev/null
+++ b/arch/m68knommu/platform/5249/gpio.c
@@ -0,0 +1,65 @@
1/*
2 * Coldfire generic GPIO support
3 *
4 * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14*/
15
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/coldfire.h>
20#include <asm/mcfsim.h>
21#include <asm/mcfgpio.h>
22
23static struct mcf_gpio_chip mcf_gpio_chips[] = {
24 {
25 .gpio_chip = {
26 .label = "GPIO0",
27 .request = mcf_gpio_request,
28 .free = mcf_gpio_free,
29 .direction_input = mcf_gpio_direction_input,
30 .direction_output = mcf_gpio_direction_output,
31 .get = mcf_gpio_get_value,
32 .set = mcf_gpio_set_value,
33 .ngpio = 32,
34 },
35 .pddr = MCFSIM2_GPIOENABLE,
36 .podr = MCFSIM2_GPIOWRITE,
37 .ppdr = MCFSIM2_GPIOREAD,
38 },
39 {
40 .gpio_chip = {
41 .label = "GPIO1",
42 .request = mcf_gpio_request,
43 .free = mcf_gpio_free,
44 .direction_input = mcf_gpio_direction_input,
45 .direction_output = mcf_gpio_direction_output,
46 .get = mcf_gpio_get_value,
47 .set = mcf_gpio_set_value,
48 .base = 32,
49 .ngpio = 32,
50 },
51 .pddr = MCFSIM2_GPIO1ENABLE,
52 .podr = MCFSIM2_GPIO1WRITE,
53 .ppdr = MCFSIM2_GPIO1READ,
54 },
55};
56
57static int __init mcf_gpio_init(void)
58{
59 unsigned i = 0;
60 while (i < ARRAY_SIZE(mcf_gpio_chips))
61 (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
62 return 0;
63}
64
65core_initcall(mcf_gpio_init);