Commit | Line | Data |
---|---|---|
c95d10bc VC |
1 | /* |
2 | * OMAP15xx specific gpio init | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ | |
5 | * | |
6 | * Author: | |
7 | * Charulatha V <charu@ti.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation version 2. | |
12 | * | |
13 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
14 | * kind, whether express or implied; without even the implied warranty | |
15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <linux/gpio.h> | |
20 | ||
21 | #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE | |
22 | #define OMAP1510_GPIO_BASE 0xFFFCE000 | |
23 | ||
24 | /* gpio1 */ | |
25 | static struct __initdata resource omap15xx_mpu_gpio_resources[] = { | |
26 | { | |
27 | .start = OMAP1_MPUIO_VBASE, | |
28 | .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, | |
29 | .flags = IORESOURCE_MEM, | |
30 | }, | |
31 | { | |
32 | .start = INT_MPUIO, | |
33 | .flags = IORESOURCE_IRQ, | |
34 | }, | |
35 | }; | |
36 | ||
37 | static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { | |
38 | .virtual_irq_start = IH_MPUIO_BASE, | |
39 | .bank_type = METHOD_MPUIO, | |
40 | .bank_width = 16, | |
41 | }; | |
42 | ||
43 | static struct __initdata platform_device omap15xx_mpu_gpio = { | |
44 | .name = "omap_gpio", | |
45 | .id = 0, | |
46 | .dev = { | |
47 | .platform_data = &omap15xx_mpu_gpio_config, | |
48 | }, | |
49 | .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), | |
50 | .resource = omap15xx_mpu_gpio_resources, | |
51 | }; | |
52 | ||
53 | /* gpio2 */ | |
54 | static struct __initdata resource omap15xx_gpio_resources[] = { | |
55 | { | |
56 | .start = OMAP1510_GPIO_BASE, | |
57 | .end = OMAP1510_GPIO_BASE + SZ_2K - 1, | |
58 | .flags = IORESOURCE_MEM, | |
59 | }, | |
60 | { | |
61 | .start = INT_GPIO_BANK1, | |
62 | .flags = IORESOURCE_IRQ, | |
63 | }, | |
64 | }; | |
65 | ||
66 | static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { | |
67 | .virtual_irq_start = IH_GPIO_BASE, | |
68 | .bank_type = METHOD_GPIO_1510, | |
69 | .bank_width = 16, | |
70 | }; | |
71 | ||
72 | static struct __initdata platform_device omap15xx_gpio = { | |
73 | .name = "omap_gpio", | |
74 | .id = 1, | |
75 | .dev = { | |
76 | .platform_data = &omap15xx_gpio_config, | |
77 | }, | |
78 | .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), | |
79 | .resource = omap15xx_gpio_resources, | |
80 | }; | |
81 | ||
82 | /* | |
83 | * omap15xx_gpio_init needs to be done before | |
84 | * machine_init functions access gpio APIs. | |
85 | * Hence omap15xx_gpio_init is a postcore_initcall. | |
86 | */ | |
87 | static int __init omap15xx_gpio_init(void) | |
88 | { | |
89 | if (!cpu_is_omap15xx()) | |
90 | return -EINVAL; | |
91 | ||
92 | platform_device_register(&omap15xx_mpu_gpio); | |
93 | platform_device_register(&omap15xx_gpio); | |
94 | ||
95 | gpio_bank_count = 2; | |
96 | return 0; | |
97 | } | |
98 | postcore_initcall(omap15xx_gpio_init); |