ARM i.MX ehci: do ehci init in board specific functions
[deliverable/linux.git] / arch / arm / mach-mx3 / mx31moboard-marxbot.c
CommitLineData
e00f0b4a
VL
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.
e00f0b4a
VL
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
d67d1075
VL
25#include <linux/usb/otg.h>
26
e00f0b4a 27#include <mach/common.h>
220bbcea 28#include <mach/hardware.h>
e00f0b4a
VL
29#include <mach/imx-uart.h>
30#include <mach/iomux-mx3.h>
d67d1075 31#include <mach/ulpi.h>
e00f0b4a 32
04ea3c80
VL
33#include <media/soc_camera.h>
34
6a697e3d 35#include "devices-imx31.h"
e00f0b4a
VL
36#include "devices.h"
37
56c7a45b
VL
38static unsigned int marxbot_pins[] = {
39 /* SDHC2 */
40 MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2,
41 MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
42 MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
43 MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
44 /* CSI */
56c7a45b
VL
45 MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
46 MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
47 MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
48 MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
49 MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
50 MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
51 MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
04ea3c80 52 MX31_PIN_CSI_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5,
56c7a45b
VL
53 MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
54 MX31_PIN_TXD2__GPIO1_28,
2718c15c
VL
55 /* dsPIC resets */
56 MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
10949fff
VL
57 /*battery detection */
58 MX31_PIN_LCS0__GPIO3_23,
d67d1075
VL
59 /* USB H1 */
60 MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
61 MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
62 MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
63 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
64 MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
e335c75c
VL
65 /* SEL */
66 MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
67 MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
56c7a45b
VL
68};
69
45b131a7
VL
70#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
71#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW)
72
73static int marxbot_sdhc2_get_ro(struct device *dev)
74{
563abb4b 75 return !gpio_get_value(SDHC2_WP);
45b131a7
VL
76}
77
78static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
79 void *data)
80{
4f163eb8
SH
81 int ret;
82
83 ret = gpio_request(SDHC2_CD, "sdhc-detect");
84 if (ret)
85 return ret;
86
87 gpio_direction_input(SDHC2_CD);
88
89 ret = gpio_request(SDHC2_WP, "sdhc-wp");
90 if (ret)
91 goto err_gpio_free;
92 gpio_direction_input(SDHC2_WP);
93
94 ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
45b131a7
VL
95 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
96 "sdhc2-card-detect", data);
4f163eb8
SH
97 if (ret)
98 goto err_gpio_free_2;
99
100 return 0;
101
102err_gpio_free_2:
103 gpio_free(SDHC2_WP);
104err_gpio_free:
105 gpio_free(SDHC2_CD);
106
107 return ret;
45b131a7
VL
108}
109
110static void marxbot_sdhc2_exit(struct device *dev, void *data)
111{
112 free_irq(gpio_to_irq(SDHC2_CD), data);
4f163eb8
SH
113 gpio_free(SDHC2_WP);
114 gpio_free(SDHC2_CD);
45b131a7
VL
115}
116
6a697e3d 117static const struct imxmmc_platform_data sdhc2_pdata __initconst = {
45b131a7
VL
118 .get_ro = marxbot_sdhc2_get_ro,
119 .init = marxbot_sdhc2_init,
120 .exit = marxbot_sdhc2_exit,
121};
122
2718c15c
VL
123#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
124#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
125
126static void dspics_resets_init(void)
127{
128 if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
f8594c28 129 gpio_direction_output(TRSLAT_RST_B, 0);
2718c15c
VL
130 gpio_export(TRSLAT_RST_B, false);
131 }
132
133 if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
f8594c28 134 gpio_direction_output(DSPICS_RST_B, 0);
2718c15c
VL
135 gpio_export(DSPICS_RST_B, false);
136 }
137}
138
33c4d919
VL
139static struct spi_board_info marxbot_spi_board_info[] __initdata = {
140 {
141 .modalias = "spidev",
142 .max_speed_hz = 300000,
143 .bus_num = 1,
144 .chip_select = 1, /* according spi1_cs[] ! */
145 },
146};
147
04ea3c80
VL
148#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
149#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
150#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
151#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4)
152#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2)
153
154static int marxbot_basecam_power(struct device *dev, int on)
155{
156 gpio_set_value(BASECAM_POWER, !on);
157 return 0;
158}
159
160static int marxbot_basecam_reset(struct device *dev)
161{
162 gpio_set_value(BASECAM_RST_B, 0);
163 udelay(100);
164 gpio_set_value(BASECAM_RST_B, 1);
165 return 0;
166}
167
168static struct i2c_board_info marxbot_i2c_devices[] = {
169 {
170 I2C_BOARD_INFO("mt9t031", 0x5d),
171 },
172};
173
174static struct soc_camera_link base_iclink = {
175 .bus_id = 0, /* Must match with the camera ID */
176 .power = marxbot_basecam_power,
177 .reset = marxbot_basecam_reset,
178 .board_info = &marxbot_i2c_devices[0],
179 .i2c_adapter_id = 0,
04ea3c80
VL
180};
181
182static struct platform_device marxbot_camera[] = {
183 {
184 .name = "soc-camera-pdrv",
185 .id = 0,
186 .dev = {
187 .platform_data = &base_iclink,
188 },
189 },
190};
191
192static struct platform_device *marxbot_cameras[] __initdata = {
193 &marxbot_camera[0],
194};
195
196static int __init marxbot_cam_init(void)
197{
198 int ret = gpio_request(CAM_CHOICE, "cam-choice");
199 if (ret)
200 return ret;
f8594c28 201 gpio_direction_output(CAM_CHOICE, 0);
04ea3c80
VL
202
203 ret = gpio_request(BASECAM_RST_B, "basecam-reset");
204 if (ret)
205 return ret;
206 gpio_direction_output(BASECAM_RST_B, 1);
207 ret = gpio_request(BASECAM_POWER, "basecam-standby");
208 if (ret)
209 return ret;
210 gpio_direction_output(BASECAM_POWER, 0);
211
212 ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset");
213 if (ret)
214 return ret;
215 gpio_direction_output(TURRETCAM_RST_B, 1);
216 ret = gpio_request(TURRETCAM_POWER, "turretcam-standby");
217 if (ret)
218 return ret;
219 gpio_direction_output(TURRETCAM_POWER, 0);
220
221 return 0;
222}
223
e335c75c
VL
224#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
225#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
226#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
227#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
228
229static void marxbot_init_sel_gpios(void)
230{
231 if (!gpio_request(SEL0, "sel0")) {
232 gpio_direction_input(SEL0);
233 gpio_export(SEL0, true);
234 }
235
236 if (!gpio_request(SEL1, "sel1")) {
237 gpio_direction_input(SEL1);
238 gpio_export(SEL1, true);
239 }
240
241 if (!gpio_request(SEL2, "sel2")) {
242 gpio_direction_input(SEL2);
243 gpio_export(SEL2, true);
244 }
245
246 if (!gpio_request(SEL3, "sel3")) {
247 gpio_direction_input(SEL3);
248 gpio_export(SEL3, true);
249 }
250}
251
d67d1075
VL
252#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
253 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
254
255static int marxbot_usbh1_hw_init(struct platform_device *pdev)
256{
257 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
258
259 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
260 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
261 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
262 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
263 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
264 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
265 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
266 mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
267
4bd597b6
SH
268 mdelay(10);
269
270 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
271 MXC_EHCI_INTERFACE_SINGLE_UNI);
d67d1075
VL
272}
273
274#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
275#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
276
277static int marxbot_isp1105_init(struct otg_transceiver *otg)
278{
279 int ret = gpio_request(USBH1_MODE, "usbh1-mode");
280 if (ret)
281 return ret;
282 /* single ended */
283 gpio_direction_output(USBH1_MODE, 0);
284
285 ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
286 if (ret) {
287 gpio_free(USBH1_MODE);
288 return ret;
289 }
290 gpio_direction_output(USBH1_VBUSEN_B, 1);
291
292 return 0;
293}
294
295
296static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
297{
298 if (on)
299 gpio_set_value(USBH1_VBUSEN_B, 0);
300 else
301 gpio_set_value(USBH1_VBUSEN_B, 1);
302
303 return 0;
304}
305
2d58de28 306static struct mxc_usbh_platform_data usbh1_pdata __initdata = {
d67d1075
VL
307 .init = marxbot_usbh1_hw_init,
308 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
d67d1075
VL
309};
310
311static int __init marxbot_usbh1_init(void)
312{
313 struct otg_transceiver *otg;
2d58de28 314 struct platform_device *pdev;
d67d1075
VL
315
316 otg = kzalloc(sizeof(*otg), GFP_KERNEL);
317 if (!otg)
318 return -ENOMEM;
319
320 otg->label = "ISP1105";
321 otg->init = marxbot_isp1105_init;
322 otg->set_vbus = marxbot_isp1105_set_vbus;
323
324 usbh1_pdata.otg = otg;
325
2d58de28
UKK
326 pdev = imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
327 if (IS_ERR(pdev))
328 return PTR_ERR(pdev);
329
330 return 0;
d67d1075
VL
331}
332
9e1dde33 333static const struct fsl_usb2_platform_data usb_pdata __initconst = {
66c202ad
PR
334 .operating_mode = FSL_USB2_DR_DEVICE,
335 .phy_mode = FSL_USB2_PHY_ULPI,
336};
337
e00f0b4a
VL
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");
56c7a45b
VL
344
345 mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
346 "marxbot");
45b131a7 347
e335c75c
VL
348 marxbot_init_sel_gpios();
349
2718c15c
VL
350 dspics_resets_init();
351
6a697e3d 352 imx31_add_mxc_mmc(1, &sdhc2_pdata);
10949fff 353
33c4d919
VL
354 spi_register_board_info(marxbot_spi_board_info,
355 ARRAY_SIZE(marxbot_spi_board_info));
356
04ea3c80
VL
357 marxbot_cam_init();
358 platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras));
359
10949fff
VL
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
9e1dde33 365 imx31_add_fsl_usb2_udc(&usb_pdata);
66c202ad 366
d67d1075 367 marxbot_usbh1_init();
e00f0b4a 368}
This page took 0.145622 seconds and 5 git commands to generate.