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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> | |
4b25408f | 20 | #include <linux/platform_data/gpio-omap.h> |
c95d10bc | 21 | |
873e6980 TL |
22 | #include <mach/irqs.h> |
23 | ||
c95d10bc VC |
24 | #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE |
25 | #define OMAP1510_GPIO_BASE 0xFFFCE000 | |
26 | ||
27 | /* gpio1 */ | |
ffd076ee | 28 | static struct resource omap15xx_mpu_gpio_resources[] = { |
c95d10bc VC |
29 | { |
30 | .start = OMAP1_MPUIO_VBASE, | |
31 | .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, | |
32 | .flags = IORESOURCE_MEM, | |
33 | }, | |
34 | { | |
35 | .start = INT_MPUIO, | |
36 | .flags = IORESOURCE_IRQ, | |
37 | }, | |
38 | }; | |
39 | ||
fa87931a | 40 | static struct omap_gpio_reg_offs omap15xx_mpuio_regs = { |
e5ff4440 | 41 | .revision = USHRT_MAX, |
fa87931a KH |
42 | .direction = OMAP_MPUIO_IO_CNTL, |
43 | .datain = OMAP_MPUIO_INPUT_LATCH, | |
44 | .dataout = OMAP_MPUIO_OUTPUT, | |
eef4bec7 | 45 | .irqstatus = OMAP_MPUIO_GPIO_INT, |
28f3b5a0 KH |
46 | .irqenable = OMAP_MPUIO_GPIO_MASKIT, |
47 | .irqenable_inv = true, | |
5e571f38 | 48 | .irqctrl = OMAP_MPUIO_GPIO_INT_EDGE, |
fa87931a KH |
49 | }; |
50 | ||
ffd076ee | 51 | static struct omap_gpio_platform_data omap15xx_mpu_gpio_config = { |
d0d665a8 | 52 | .is_mpuio = true, |
c95d10bc | 53 | .bank_width = 16, |
5de62b86 | 54 | .bank_stride = 1, |
fa87931a | 55 | .regs = &omap15xx_mpuio_regs, |
c95d10bc VC |
56 | }; |
57 | ||
07ad6ab3 | 58 | static struct platform_device omap15xx_mpu_gpio = { |
c95d10bc VC |
59 | .name = "omap_gpio", |
60 | .id = 0, | |
61 | .dev = { | |
62 | .platform_data = &omap15xx_mpu_gpio_config, | |
63 | }, | |
64 | .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), | |
65 | .resource = omap15xx_mpu_gpio_resources, | |
66 | }; | |
67 | ||
68 | /* gpio2 */ | |
ffd076ee | 69 | static struct resource omap15xx_gpio_resources[] = { |
c95d10bc VC |
70 | { |
71 | .start = OMAP1510_GPIO_BASE, | |
72 | .end = OMAP1510_GPIO_BASE + SZ_2K - 1, | |
73 | .flags = IORESOURCE_MEM, | |
74 | }, | |
75 | { | |
76 | .start = INT_GPIO_BANK1, | |
77 | .flags = IORESOURCE_IRQ, | |
78 | }, | |
79 | }; | |
80 | ||
fa87931a | 81 | static struct omap_gpio_reg_offs omap15xx_gpio_regs = { |
e5ff4440 | 82 | .revision = USHRT_MAX, |
fa87931a KH |
83 | .direction = OMAP1510_GPIO_DIR_CONTROL, |
84 | .datain = OMAP1510_GPIO_DATA_INPUT, | |
85 | .dataout = OMAP1510_GPIO_DATA_OUTPUT, | |
eef4bec7 | 86 | .irqstatus = OMAP1510_GPIO_INT_STATUS, |
28f3b5a0 KH |
87 | .irqenable = OMAP1510_GPIO_INT_MASK, |
88 | .irqenable_inv = true, | |
5e571f38 | 89 | .irqctrl = OMAP1510_GPIO_INT_CONTROL, |
fad96ea8 | 90 | .pinctrl = OMAP1510_GPIO_PIN_CONTROL, |
fa87931a KH |
91 | }; |
92 | ||
ffd076ee | 93 | static struct omap_gpio_platform_data omap15xx_gpio_config = { |
c95d10bc | 94 | .bank_width = 16, |
fa87931a | 95 | .regs = &omap15xx_gpio_regs, |
c95d10bc VC |
96 | }; |
97 | ||
07ad6ab3 | 98 | static struct platform_device omap15xx_gpio = { |
c95d10bc VC |
99 | .name = "omap_gpio", |
100 | .id = 1, | |
101 | .dev = { | |
102 | .platform_data = &omap15xx_gpio_config, | |
103 | }, | |
104 | .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), | |
105 | .resource = omap15xx_gpio_resources, | |
106 | }; | |
107 | ||
108 | /* | |
109 | * omap15xx_gpio_init needs to be done before | |
110 | * machine_init functions access gpio APIs. | |
111 | * Hence omap15xx_gpio_init is a postcore_initcall. | |
112 | */ | |
113 | static int __init omap15xx_gpio_init(void) | |
114 | { | |
115 | if (!cpu_is_omap15xx()) | |
116 | return -EINVAL; | |
117 | ||
118 | platform_device_register(&omap15xx_mpu_gpio); | |
119 | platform_device_register(&omap15xx_gpio); | |
120 | ||
c95d10bc VC |
121 | return 0; |
122 | } | |
123 | postcore_initcall(omap15xx_gpio_init); |