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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
|
/*
* Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/usb/otg.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/mmc.h>
#include <mach/mxc_ehci.h>
#include <mach/ulpi.h>
#include <media/soc_camera.h>
#include "devices.h"
static unsigned int marxbot_pins[] = {
/* SDHC2 */
MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2,
MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
/* CSI */
MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
MX31_PIN_CSI_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5,
MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
MX31_PIN_TXD2__GPIO1_28,
/* dsPIC resets */
MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
/*battery detection */
MX31_PIN_LCS0__GPIO3_23,
/* USB H1 */
MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
};
#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW)
static int marxbot_sdhc2_get_ro(struct device *dev)
{
return !gpio_get_value(SDHC2_WP);
}
static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
void *data)
{
int ret;
ret = gpio_request(SDHC2_CD, "sdhc-detect");
if (ret)
return ret;
gpio_direction_input(SDHC2_CD);
ret = gpio_request(SDHC2_WP, "sdhc-wp");
if (ret)
goto err_gpio_free;
gpio_direction_input(SDHC2_WP);
ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"sdhc2-card-detect", data);
if (ret)
goto err_gpio_free_2;
return 0;
err_gpio_free_2:
gpio_free(SDHC2_WP);
err_gpio_free:
gpio_free(SDHC2_CD);
return ret;
}
static void marxbot_sdhc2_exit(struct device *dev, void *data)
{
free_irq(gpio_to_irq(SDHC2_CD), data);
gpio_free(SDHC2_WP);
gpio_free(SDHC2_CD);
}
static struct imxmmc_platform_data sdhc2_pdata = {
.get_ro = marxbot_sdhc2_get_ro,
.init = marxbot_sdhc2_init,
.exit = marxbot_sdhc2_exit,
};
#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
static void dspics_resets_init(void)
{
if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
gpio_direction_output(TRSLAT_RST_B, 1);
gpio_export(TRSLAT_RST_B, false);
}
if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
gpio_direction_output(DSPICS_RST_B, 1);
gpio_export(DSPICS_RST_B, false);
}
}
static struct spi_board_info marxbot_spi_board_info[] __initdata = {
{
.modalias = "spidev",
.max_speed_hz = 300000,
.bus_num = 1,
.chip_select = 1, /* according spi1_cs[] ! */
},
};
#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4)
#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2)
static int marxbot_basecam_power(struct device *dev, int on)
{
gpio_set_value(BASECAM_POWER, !on);
return 0;
}
static int marxbot_basecam_reset(struct device *dev)
{
gpio_set_value(BASECAM_RST_B, 0);
udelay(100);
gpio_set_value(BASECAM_RST_B, 1);
return 0;
}
static struct i2c_board_info marxbot_i2c_devices[] = {
{
I2C_BOARD_INFO("mt9t031", 0x5d),
},
};
static struct soc_camera_link base_iclink = {
.bus_id = 0, /* Must match with the camera ID */
.power = marxbot_basecam_power,
.reset = marxbot_basecam_reset,
.board_info = &marxbot_i2c_devices[0],
.i2c_adapter_id = 0,
.module_name = "mt9t031",
};
static struct platform_device marxbot_camera[] = {
{
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &base_iclink,
},
},
};
static struct platform_device *marxbot_cameras[] __initdata = {
&marxbot_camera[0],
};
static int __init marxbot_cam_init(void)
{
int ret = gpio_request(CAM_CHOICE, "cam-choice");
if (ret)
return ret;
gpio_direction_output(CAM_CHOICE, 1);
ret = gpio_request(BASECAM_RST_B, "basecam-reset");
if (ret)
return ret;
gpio_direction_output(BASECAM_RST_B, 1);
ret = gpio_request(BASECAM_POWER, "basecam-standby");
if (ret)
return ret;
gpio_direction_output(BASECAM_POWER, 0);
ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset");
if (ret)
return ret;
gpio_direction_output(TURRETCAM_RST_B, 1);
ret = gpio_request(TURRETCAM_POWER, "turretcam-standby");
if (ret)
return ret;
gpio_direction_output(TURRETCAM_POWER, 0);
return 0;
}
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
static int marxbot_usbh1_hw_init(struct platform_device *pdev)
{
mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
return 0;
}
#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
static int marxbot_isp1105_init(struct otg_transceiver *otg)
{
int ret = gpio_request(USBH1_MODE, "usbh1-mode");
if (ret)
return ret;
/* single ended */
gpio_direction_output(USBH1_MODE, 0);
ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
if (ret) {
gpio_free(USBH1_MODE);
return ret;
}
gpio_direction_output(USBH1_VBUSEN_B, 1);
return 0;
}
static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
{
if (on)
gpio_set_value(USBH1_VBUSEN_B, 0);
else
gpio_set_value(USBH1_VBUSEN_B, 1);
return 0;
}
static struct mxc_usbh_platform_data usbh1_pdata = {
.init = marxbot_usbh1_hw_init,
.portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
.flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
};
static int __init marxbot_usbh1_init(void)
{
struct otg_transceiver *otg;
otg = kzalloc(sizeof(*otg), GFP_KERNEL);
if (!otg)
return -ENOMEM;
otg->label = "ISP1105";
otg->init = marxbot_isp1105_init;
otg->set_vbus = marxbot_isp1105_set_vbus;
usbh1_pdata.otg = otg;
return mxc_register_device(&mx31_usbh1, &usbh1_pdata);
}
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
void __init mx31moboard_marxbot_init(void)
{
printk(KERN_INFO "Initializing mx31marxbot peripherals\n");
mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
"marxbot");
dspics_resets_init();
mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
spi_register_board_info(marxbot_spi_board_info,
ARRAY_SIZE(marxbot_spi_board_info));
marxbot_cam_init();
platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras));
/* battery present pin */
gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
marxbot_usbh1_init();
}
|
