diff options
Diffstat (limited to 'arch/m68knommu/platform/5272/gpio.c')
-rw-r--r-- | arch/m68knommu/platform/5272/gpio.c | 81 |
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 | |||
23 | static 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 | |||
73 | static 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 | |||
81 | core_initcall(mcf_gpio_init); | ||