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-rw-r--r--arch/m68knommu/platform/5272/gpio.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/m68knommu/platform/5272/gpio.c b/arch/m68knommu/platform/5272/gpio.c
new file mode 100644
index 00000000000..459db89a89c
--- /dev/null
+++ b/arch/m68knommu/platform/5272/gpio.c
@@ -0,0 +1,81 @@
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 = "PA",
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 = 16,
34 },
35 .pddr = MCFSIM_PADDR,
36 .podr = MCFSIM_PADAT,
37 .ppdr = MCFSIM_PADAT,
38 },
39 {
40 .gpio_chip = {
41 .label = "PB",
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 = 16,
49 .ngpio = 16,
50 },
51 .pddr = MCFSIM_PBDDR,
52 .podr = MCFSIM_PBDAT,
53 .ppdr = MCFSIM_PBDAT,
54 },
55 {
56 .gpio_chip = {
57 .label = "PC",
58 .request = mcf_gpio_request,
59 .free = mcf_gpio_free,
60 .direction_input = mcf_gpio_direction_input,
61 .direction_output = mcf_gpio_direction_output,
62 .get = mcf_gpio_get_value,
63 .set = mcf_gpio_set_value,
64 .base = 32,
65 .ngpio = 16,
66 },
67 .pddr = MCFSIM_PCDDR,
68 .podr = MCFSIM_PCDAT,
69 .ppdr = MCFSIM_PCDAT,
70 },
71};
72
73static int __init mcf_gpio_init(void)
74{
75 unsigned i = 0;
76 while (i < ARRAY_SIZE(mcf_gpio_chips))
77 (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
78 return 0;
79}
80
81core_initcall(mcf_gpio_init);