1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* OMAP16xx specific gpio init
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
*
* Author:
* Charulatha V <charu@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/gpio.h>
#define OMAP1610_GPIO1_BASE 0xfffbe400
#define OMAP1610_GPIO2_BASE 0xfffbec00
#define OMAP1610_GPIO3_BASE 0xfffbb400
#define OMAP1610_GPIO4_BASE 0xfffbbc00
#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
/* mpu gpio */
static struct __initdata resource omap16xx_mpu_gpio_resources[] = {
{
.start = OMAP1_MPUIO_VBASE,
.end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = INT_MPUIO,
.flags = IORESOURCE_IRQ,
},
};
static struct omap_gpio_reg_offs omap16xx_mpuio_regs = {
.direction = OMAP_MPUIO_IO_CNTL,
.datain = OMAP_MPUIO_INPUT_LATCH,
.dataout = OMAP_MPUIO_OUTPUT,
.irqstatus = OMAP_MPUIO_GPIO_INT,
.irqenable = OMAP_MPUIO_GPIO_MASKIT,
.irqenable_inv = true,
};
static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = {
.virtual_irq_start = IH_MPUIO_BASE,
.bank_type = METHOD_MPUIO,
.bank_width = 16,
.bank_stride = 1,
.regs = &omap16xx_mpuio_regs,
};
static struct __initdata platform_device omap16xx_mpu_gpio = {
.name = "omap_gpio",
.id = 0,
.dev = {
.platform_data = &omap16xx_mpu_gpio_config,
},
.num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
.resource = omap16xx_mpu_gpio_resources,
};
/* gpio1 */
static struct __initdata resource omap16xx_gpio1_resources[] = {
{
.start = OMAP1610_GPIO1_BASE,
.end = OMAP1610_GPIO1_BASE + SZ_2K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = INT_GPIO_BANK1,
.flags = IORESOURCE_IRQ,
},
};
static struct omap_gpio_reg_offs omap16xx_gpio_regs = {
.direction = OMAP1610_GPIO_DIRECTION,
.set_dataout = OMAP1610_GPIO_SET_DATAOUT,
.clr_dataout = OMAP1610_GPIO_CLEAR_DATAOUT,
.datain = OMAP1610_GPIO_DATAIN,
.dataout = OMAP1610_GPIO_DATAOUT,
.irqstatus = OMAP1610_GPIO_IRQSTATUS1,
.irqenable = OMAP1610_GPIO_IRQENABLE1,
.set_irqenable = OMAP1610_GPIO_SET_IRQENABLE1,
.clr_irqenable = OMAP1610_GPIO_CLEAR_IRQENABLE1,
};
static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = {
.virtual_irq_start = IH_GPIO_BASE,
.bank_type = METHOD_GPIO_1610,
.bank_width = 16,
.regs = &omap16xx_gpio_regs,
};
static struct __initdata platform_device omap16xx_gpio1 = {
.name = "omap_gpio",
.id = 1,
.dev = {
.platform_data = &omap16xx_gpio1_config,
},
.num_resources = ARRAY_SIZE(omap16xx_gpio1_resources),
.resource = omap16xx_gpio1_resources,
};
/* gpio2 */
static struct __initdata resource omap16xx_gpio2_resources[] = {
{
.start = OMAP1610_GPIO2_BASE,
.end = OMAP1610_GPIO2_BASE + SZ_2K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = INT_1610_GPIO_BANK2,
.flags = IORESOURCE_IRQ,
},
};
static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = {
.virtual_irq_start = IH_GPIO_BASE + 16,
.bank_type = METHOD_GPIO_1610,
.bank_width = 16,
.regs = &omap16xx_gpio_regs,
};
static struct __initdata platform_device omap16xx_gpio2 = {
.name = "omap_gpio",
.id = 2,
.dev = {
.platform_data = &omap16xx_gpio2_config,
},
.num_resources = ARRAY_SIZE(omap16xx_gpio2_resources),
.resource = omap16xx_gpio2_resources,
};
/* gpio3 */
static struct __initdata resource omap16xx_gpio3_resources[] = {
{
.start = OMAP1610_GPIO3_BASE,
.end = OMAP1610_GPIO3_BASE + SZ_2K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = INT_1610_GPIO_BANK3,
.flags = IORESOURCE_IRQ,
},
};
static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = {
.virtual_irq_start = IH_GPIO_BASE + 32,
.bank_type = METHOD_GPIO_1610,
.bank_width = 16,
.regs = &omap16xx_gpio_regs,
};
static struct __initdata platform_device omap16xx_gpio3 = {
.name = "omap_gpio",
.id = 3,
.dev = {
.platform_data = &omap16xx_gpio3_config,
},
.num_resources = ARRAY_SIZE(omap16xx_gpio3_resources),
.resource = omap16xx_gpio3_resources,
};
/* gpio4 */
static struct __initdata resource omap16xx_gpio4_resources[] = {
{
.start = OMAP1610_GPIO4_BASE,
.end = OMAP1610_GPIO4_BASE + SZ_2K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = INT_1610_GPIO_BANK4,
.flags = IORESOURCE_IRQ,
},
};
static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = {
.virtual_irq_start = IH_GPIO_BASE + 48,
.bank_type = METHOD_GPIO_1610,
.bank_width = 16,
.regs = &omap16xx_gpio_regs,
};
static struct __initdata platform_device omap16xx_gpio4 = {
.name = "omap_gpio",
.id = 4,
.dev = {
.platform_data = &omap16xx_gpio4_config,
},
.num_resources = ARRAY_SIZE(omap16xx_gpio4_resources),
.resource = omap16xx_gpio4_resources,
};
static struct __initdata platform_device * omap16xx_gpio_dev[] = {
&omap16xx_mpu_gpio,
&omap16xx_gpio1,
&omap16xx_gpio2,
&omap16xx_gpio3,
&omap16xx_gpio4,
};
/*
* omap16xx_gpio_init needs to be done before
* machine_init functions access gpio APIs.
* Hence omap16xx_gpio_init is a postcore_initcall.
*/
static int __init omap16xx_gpio_init(void)
{
int i;
if (!cpu_is_omap16xx())
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(omap16xx_gpio_dev); i++)
platform_device_register(omap16xx_gpio_dev[i]);
gpio_bank_count = ARRAY_SIZE(omap16xx_gpio_dev);
return 0;
}
postcore_initcall(omap16xx_gpio_init);
|
