ARM: mx3: dynamically allocate fsl-usb2-udc devices
[deliverable/linux.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.
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13 */
14
04ea3c80 15#include <linux/delay.h>
45b131a7 16#include <linux/gpio.h>
e00f0b4a 17#include <linux/init.h>
45b131a7 18#include <linux/interrupt.h>
04ea3c80 19#include <linux/i2c.h>
33c4d919 20#include <linux/spi/spi.h>
5a0e3ad6 21#include <linux/slab.h>
e00f0b4a 22#include <linux/platform_device.h>
220bbcea 23#include <linux/types.h>
e00f0b4a 24
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25#include <linux/usb/otg.h>
26
e00f0b4a 27#include <mach/common.h>
220bbcea 28#include <mach/hardware.h>
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29#include <mach/imx-uart.h>
30#include <mach/iomux-mx3.h>
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31#include <mach/mxc_ehci.h>
32#include <mach/ulpi.h>
e00f0b4a 33
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34#include <media/soc_camera.h>
35
6a697e3d 36#include "devices-imx31.h"
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37#include "devices.h"
38
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39static unsigned int marxbot_pins[] = {
40 /* SDHC2 */
41 MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2,
42 MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
43 MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
44 MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
45 /* CSI */
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46 MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
47 MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
48 MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
49 MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
50 MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
51 MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
52 MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
04ea3c80 53 MX31_PIN_CSI_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5,
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54 MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
55 MX31_PIN_TXD2__GPIO1_28,
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56 /* dsPIC resets */
57 MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
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58 /*battery detection */
59 MX31_PIN_LCS0__GPIO3_23,
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60 /* USB H1 */
61 MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
62 MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
63 MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
64 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
65 MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
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66 /* SEL */
67 MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
68 MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
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69};
70
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71#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
72#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW)
73
74static int marxbot_sdhc2_get_ro(struct device *dev)
75{
563abb4b 76 return !gpio_get_value(SDHC2_WP);
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77}
78
79static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
80 void *data)
81{
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82 int ret;
83
84 ret = gpio_request(SDHC2_CD, "sdhc-detect");
85 if (ret)
86 return ret;
87
88 gpio_direction_input(SDHC2_CD);
89
90 ret = gpio_request(SDHC2_WP, "sdhc-wp");
91 if (ret)
92 goto err_gpio_free;
93 gpio_direction_input(SDHC2_WP);
94
95 ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
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96 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
97 "sdhc2-card-detect", data);
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98 if (ret)
99 goto err_gpio_free_2;
100
101 return 0;
102
103err_gpio_free_2:
104 gpio_free(SDHC2_WP);
105err_gpio_free:
106 gpio_free(SDHC2_CD);
107
108 return ret;
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109}
110
111static void marxbot_sdhc2_exit(struct device *dev, void *data)
112{
113 free_irq(gpio_to_irq(SDHC2_CD), data);
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114 gpio_free(SDHC2_WP);
115 gpio_free(SDHC2_CD);
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116}
117
6a697e3d 118static const struct imxmmc_platform_data sdhc2_pdata __initconst = {
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119 .get_ro = marxbot_sdhc2_get_ro,
120 .init = marxbot_sdhc2_init,
121 .exit = marxbot_sdhc2_exit,
122};
123
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124#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
125#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
126
127static void dspics_resets_init(void)
128{
129 if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
f8594c28 130 gpio_direction_output(TRSLAT_RST_B, 0);
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131 gpio_export(TRSLAT_RST_B, false);
132 }
133
134 if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
f8594c28 135 gpio_direction_output(DSPICS_RST_B, 0);
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136 gpio_export(DSPICS_RST_B, false);
137 }
138}
139
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140static struct spi_board_info marxbot_spi_board_info[] __initdata = {
141 {
142 .modalias = "spidev",
143 .max_speed_hz = 300000,
144 .bus_num = 1,
145 .chip_select = 1, /* according spi1_cs[] ! */
146 },
147};
148
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149#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
150#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
151#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
152#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4)
153#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2)
154
155static int marxbot_basecam_power(struct device *dev, int on)
156{
157 gpio_set_value(BASECAM_POWER, !on);
158 return 0;
159}
160
161static int marxbot_basecam_reset(struct device *dev)
162{
163 gpio_set_value(BASECAM_RST_B, 0);
164 udelay(100);
165 gpio_set_value(BASECAM_RST_B, 1);
166 return 0;
167}
168
169static struct i2c_board_info marxbot_i2c_devices[] = {
170 {
171 I2C_BOARD_INFO("mt9t031", 0x5d),
172 },
173};
174
175static struct soc_camera_link base_iclink = {
176 .bus_id = 0, /* Must match with the camera ID */
177 .power = marxbot_basecam_power,
178 .reset = marxbot_basecam_reset,
179 .board_info = &marxbot_i2c_devices[0],
180 .i2c_adapter_id = 0,
181 .module_name = "mt9t031",
182};
183
184static struct platform_device marxbot_camera[] = {
185 {
186 .name = "soc-camera-pdrv",
187 .id = 0,
188 .dev = {
189 .platform_data = &base_iclink,
190 },
191 },
192};
193
194static struct platform_device *marxbot_cameras[] __initdata = {
195 &marxbot_camera[0],
196};
197
198static int __init marxbot_cam_init(void)
199{
200 int ret = gpio_request(CAM_CHOICE, "cam-choice");
201 if (ret)
202 return ret;
f8594c28 203 gpio_direction_output(CAM_CHOICE, 0);
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204
205 ret = gpio_request(BASECAM_RST_B, "basecam-reset");
206 if (ret)
207 return ret;
208 gpio_direction_output(BASECAM_RST_B, 1);
209 ret = gpio_request(BASECAM_POWER, "basecam-standby");
210 if (ret)
211 return ret;
212 gpio_direction_output(BASECAM_POWER, 0);
213
214 ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset");
215 if (ret)
216 return ret;
217 gpio_direction_output(TURRETCAM_RST_B, 1);
218 ret = gpio_request(TURRETCAM_POWER, "turretcam-standby");
219 if (ret)
220 return ret;
221 gpio_direction_output(TURRETCAM_POWER, 0);
222
223 return 0;
224}
225
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226#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
227#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
228#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
229#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
230
231static void marxbot_init_sel_gpios(void)
232{
233 if (!gpio_request(SEL0, "sel0")) {
234 gpio_direction_input(SEL0);
235 gpio_export(SEL0, true);
236 }
237
238 if (!gpio_request(SEL1, "sel1")) {
239 gpio_direction_input(SEL1);
240 gpio_export(SEL1, true);
241 }
242
243 if (!gpio_request(SEL2, "sel2")) {
244 gpio_direction_input(SEL2);
245 gpio_export(SEL2, true);
246 }
247
248 if (!gpio_request(SEL3, "sel3")) {
249 gpio_direction_input(SEL3);
250 gpio_export(SEL3, true);
251 }
252}
253
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254#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
255 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
256
257static int marxbot_usbh1_hw_init(struct platform_device *pdev)
258{
259 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
260
261 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
262 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
263 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
264 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
265 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
266 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
267 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
268 mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
269
270 return 0;
271}
272
273#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
274#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
275
276static int marxbot_isp1105_init(struct otg_transceiver *otg)
277{
278 int ret = gpio_request(USBH1_MODE, "usbh1-mode");
279 if (ret)
280 return ret;
281 /* single ended */
282 gpio_direction_output(USBH1_MODE, 0);
283
284 ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
285 if (ret) {
286 gpio_free(USBH1_MODE);
287 return ret;
288 }
289 gpio_direction_output(USBH1_VBUSEN_B, 1);
290
291 return 0;
292}
293
294
295static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
296{
297 if (on)
298 gpio_set_value(USBH1_VBUSEN_B, 0);
299 else
300 gpio_set_value(USBH1_VBUSEN_B, 1);
301
302 return 0;
303}
304
305static struct mxc_usbh_platform_data usbh1_pdata = {
306 .init = marxbot_usbh1_hw_init,
307 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
308 .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
309};
310
311static int __init marxbot_usbh1_init(void)
312{
313 struct otg_transceiver *otg;
314
315 otg = kzalloc(sizeof(*otg), GFP_KERNEL);
316 if (!otg)
317 return -ENOMEM;
318
319 otg->label = "ISP1105";
320 otg->init = marxbot_isp1105_init;
321 otg->set_vbus = marxbot_isp1105_set_vbus;
322
323 usbh1_pdata.otg = otg;
324
4c21186b 325 return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
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326}
327
9e1dde33 328static const struct fsl_usb2_platform_data usb_pdata __initconst = {
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329 .operating_mode = FSL_USB2_DR_DEVICE,
330 .phy_mode = FSL_USB2_PHY_ULPI,
331};
332
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333/*
334 * system init for baseboard usage. Will be called by mx31moboard init.
335 */
336void __init mx31moboard_marxbot_init(void)
337{
338 printk(KERN_INFO "Initializing mx31marxbot peripherals\n");
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339
340 mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
341 "marxbot");
45b131a7 342
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343 marxbot_init_sel_gpios();
344
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345 dspics_resets_init();
346
6a697e3d 347 imx31_add_mxc_mmc(1, &sdhc2_pdata);
10949fff 348
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349 spi_register_board_info(marxbot_spi_board_info,
350 ARRAY_SIZE(marxbot_spi_board_info));
351
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352 marxbot_cam_init();
353 platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras));
354
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355 /* battery present pin */
356 gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
357 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
358 gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
d67d1075 359
9e1dde33 360 imx31_add_fsl_usb2_udc(&usb_pdata);
66c202ad 361
d67d1075 362 marxbot_usbh1_init();
e00f0b4a 363}
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