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mx31moboard: Move usb OTG device registration
[net-next-2.6.git] / arch / arm / mach-mx3 / mx31moboard-marxbot.c
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1/*
2 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
04ea3c80 19#include <linux/delay.h>
45b131a7 20#include <linux/gpio.h>
e00f0b4a 21#include <linux/init.h>
45b131a7 22#include <linux/interrupt.h>
04ea3c80 23#include <linux/i2c.h>
33c4d919 24#include <linux/spi/spi.h>
5a0e3ad6 25#include <linux/slab.h>
e00f0b4a 26#include <linux/platform_device.h>
220bbcea 27#include <linux/types.h>
66c202ad 28#include <linux/fsl_devices.h>
e00f0b4a 29
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30#include <linux/usb/otg.h>
31
e00f0b4a 32#include <mach/common.h>
220bbcea 33#include <mach/hardware.h>
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34#include <mach/imx-uart.h>
35#include <mach/iomux-mx3.h>
45b131a7 36#include <mach/mmc.h>
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37#include <mach/mxc_ehci.h>
38#include <mach/ulpi.h>
e00f0b4a 39
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40#include <media/soc_camera.h>
41
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42#include "devices.h"
43
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44static unsigned int marxbot_pins[] = {
45 /* SDHC2 */
46 MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2,
47 MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
48 MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
49 MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
50 /* CSI */
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51 MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
52 MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
53 MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
54 MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
55 MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
56 MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
57 MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
04ea3c80 58 MX31_PIN_CSI_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5,
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59 MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
60 MX31_PIN_TXD2__GPIO1_28,
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61 /* dsPIC resets */
62 MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
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63 /*battery detection */
64 MX31_PIN_LCS0__GPIO3_23,
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65 /* USB H1 */
66 MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
67 MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
68 MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
69 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
70 MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
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71 /* SEL */
72 MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
73 MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
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74};
75
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76#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
77#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW)
78
79static int marxbot_sdhc2_get_ro(struct device *dev)
80{
563abb4b 81 return !gpio_get_value(SDHC2_WP);
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82}
83
84static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
85 void *data)
86{
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87 int ret;
88
89 ret = gpio_request(SDHC2_CD, "sdhc-detect");
90 if (ret)
91 return ret;
92
93 gpio_direction_input(SDHC2_CD);
94
95 ret = gpio_request(SDHC2_WP, "sdhc-wp");
96 if (ret)
97 goto err_gpio_free;
98 gpio_direction_input(SDHC2_WP);
99
100 ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
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101 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
102 "sdhc2-card-detect", data);
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103 if (ret)
104 goto err_gpio_free_2;
105
106 return 0;
107
108err_gpio_free_2:
109 gpio_free(SDHC2_WP);
110err_gpio_free:
111 gpio_free(SDHC2_CD);
112
113 return ret;
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114}
115
116static void marxbot_sdhc2_exit(struct device *dev, void *data)
117{
118 free_irq(gpio_to_irq(SDHC2_CD), data);
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119 gpio_free(SDHC2_WP);
120 gpio_free(SDHC2_CD);
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121}
122
123static struct imxmmc_platform_data sdhc2_pdata = {
124 .get_ro = marxbot_sdhc2_get_ro,
125 .init = marxbot_sdhc2_init,
126 .exit = marxbot_sdhc2_exit,
127};
128
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129#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
130#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
131
132static void dspics_resets_init(void)
133{
134 if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
f8594c28 135 gpio_direction_output(TRSLAT_RST_B, 0);
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136 gpio_export(TRSLAT_RST_B, false);
137 }
138
139 if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
f8594c28 140 gpio_direction_output(DSPICS_RST_B, 0);
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141 gpio_export(DSPICS_RST_B, false);
142 }
143}
144
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145static struct spi_board_info marxbot_spi_board_info[] __initdata = {
146 {
147 .modalias = "spidev",
148 .max_speed_hz = 300000,
149 .bus_num = 1,
150 .chip_select = 1, /* according spi1_cs[] ! */
151 },
152};
153
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154#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
155#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
156#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
157#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4)
158#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2)
159
160static int marxbot_basecam_power(struct device *dev, int on)
161{
162 gpio_set_value(BASECAM_POWER, !on);
163 return 0;
164}
165
166static int marxbot_basecam_reset(struct device *dev)
167{
168 gpio_set_value(BASECAM_RST_B, 0);
169 udelay(100);
170 gpio_set_value(BASECAM_RST_B, 1);
171 return 0;
172}
173
174static struct i2c_board_info marxbot_i2c_devices[] = {
175 {
176 I2C_BOARD_INFO("mt9t031", 0x5d),
177 },
178};
179
180static struct soc_camera_link base_iclink = {
181 .bus_id = 0, /* Must match with the camera ID */
182 .power = marxbot_basecam_power,
183 .reset = marxbot_basecam_reset,
184 .board_info = &marxbot_i2c_devices[0],
185 .i2c_adapter_id = 0,
186 .module_name = "mt9t031",
187};
188
189static struct platform_device marxbot_camera[] = {
190 {
191 .name = "soc-camera-pdrv",
192 .id = 0,
193 .dev = {
194 .platform_data = &base_iclink,
195 },
196 },
197};
198
199static struct platform_device *marxbot_cameras[] __initdata = {
200 &marxbot_camera[0],
201};
202
203static int __init marxbot_cam_init(void)
204{
205 int ret = gpio_request(CAM_CHOICE, "cam-choice");
206 if (ret)
207 return ret;
f8594c28 208 gpio_direction_output(CAM_CHOICE, 0);
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209
210 ret = gpio_request(BASECAM_RST_B, "basecam-reset");
211 if (ret)
212 return ret;
213 gpio_direction_output(BASECAM_RST_B, 1);
214 ret = gpio_request(BASECAM_POWER, "basecam-standby");
215 if (ret)
216 return ret;
217 gpio_direction_output(BASECAM_POWER, 0);
218
219 ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset");
220 if (ret)
221 return ret;
222 gpio_direction_output(TURRETCAM_RST_B, 1);
223 ret = gpio_request(TURRETCAM_POWER, "turretcam-standby");
224 if (ret)
225 return ret;
226 gpio_direction_output(TURRETCAM_POWER, 0);
227
228 return 0;
229}
230
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231#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
232#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
233#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
234#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
235
236static void marxbot_init_sel_gpios(void)
237{
238 if (!gpio_request(SEL0, "sel0")) {
239 gpio_direction_input(SEL0);
240 gpio_export(SEL0, true);
241 }
242
243 if (!gpio_request(SEL1, "sel1")) {
244 gpio_direction_input(SEL1);
245 gpio_export(SEL1, true);
246 }
247
248 if (!gpio_request(SEL2, "sel2")) {
249 gpio_direction_input(SEL2);
250 gpio_export(SEL2, true);
251 }
252
253 if (!gpio_request(SEL3, "sel3")) {
254 gpio_direction_input(SEL3);
255 gpio_export(SEL3, true);
256 }
257}
258
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259#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
260 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
261
262static int marxbot_usbh1_hw_init(struct platform_device *pdev)
263{
264 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
265
266 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
267 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
268 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
269 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
270 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
271 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
272 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
273 mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
274
275 return 0;
276}
277
278#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
279#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
280
281static int marxbot_isp1105_init(struct otg_transceiver *otg)
282{
283 int ret = gpio_request(USBH1_MODE, "usbh1-mode");
284 if (ret)
285 return ret;
286 /* single ended */
287 gpio_direction_output(USBH1_MODE, 0);
288
289 ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
290 if (ret) {
291 gpio_free(USBH1_MODE);
292 return ret;
293 }
294 gpio_direction_output(USBH1_VBUSEN_B, 1);
295
296 return 0;
297}
298
299
300static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
301{
302 if (on)
303 gpio_set_value(USBH1_VBUSEN_B, 0);
304 else
305 gpio_set_value(USBH1_VBUSEN_B, 1);
306
307 return 0;
308}
309
310static struct mxc_usbh_platform_data usbh1_pdata = {
311 .init = marxbot_usbh1_hw_init,
312 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
313 .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
314};
315
316static int __init marxbot_usbh1_init(void)
317{
318 struct otg_transceiver *otg;
319
320 otg = kzalloc(sizeof(*otg), GFP_KERNEL);
321 if (!otg)
322 return -ENOMEM;
323
324 otg->label = "ISP1105";
325 otg->init = marxbot_isp1105_init;
326 otg->set_vbus = marxbot_isp1105_set_vbus;
327
328 usbh1_pdata.otg = otg;
329
4c21186b 330 return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
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331}
332
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333static struct fsl_usb2_platform_data usb_pdata = {
334 .operating_mode = FSL_USB2_DR_DEVICE,
335 .phy_mode = FSL_USB2_PHY_ULPI,
336};
337
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338/*
339 * system init for baseboard usage. Will be called by mx31moboard init.
340 */
341void __init mx31moboard_marxbot_init(void)
342{
343 printk(KERN_INFO "Initializing mx31marxbot peripherals\n");
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344
345 mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
346 "marxbot");
45b131a7 347
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348 marxbot_init_sel_gpios();
349
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350 dspics_resets_init();
351
45b131a7 352 mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
10949fff 353
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354 spi_register_board_info(marxbot_spi_board_info,
355 ARRAY_SIZE(marxbot_spi_board_info));
356
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357 marxbot_cam_init();
358 platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras));
359
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360 /* battery present pin */
361 gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
362 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
363 gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
d67d1075 364
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365 mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
366
d67d1075 367 marxbot_usbh1_init();
e00f0b4a 368}