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15#include <linux/delay.h>
16#include <linux/gpio.h>
17#include <linux/init.h>
18#include <linux/interrupt.h>
19#include <linux/i2c.h>
20#include <linux/spi/spi.h>
21#include <linux/slab.h>
22#include <linux/platform_device.h>
23#include <linux/types.h>
24
25#include <linux/usb/otg.h>
26
27#include <media/soc_camera.h>
28
29#include "common.h"
30#include "devices-imx31.h"
31#include "hardware.h"
32#include "iomux-mx3.h"
33#include "ulpi.h"
34
35static unsigned int marxbot_pins[] = {
36
37 MX31_PIN_PC_PWRON__SD2_DATA3, MX31_PIN_PC_VS1__SD2_DATA2,
38 MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
39 MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
40 MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
41
42 MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
43 MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
44 MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
45 MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
46 MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
47 MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
48 MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
49 MX31_PIN_CSI_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5,
50 MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
51 MX31_PIN_TXD2__GPIO1_28,
52
53 MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
54
55 MX31_PIN_LCS0__GPIO3_23,
56
57 MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
58 MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
59 MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
60 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
61 MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
62
63 MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
64 MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
65};
66
67#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
68#define SDHC2_WP IOMUX_TO_GPIO(MX31_PIN_ATA_DIOW)
69
70static int marxbot_sdhc2_get_ro(struct device *dev)
71{
72 return !gpio_get_value(SDHC2_WP);
73}
74
75static int marxbot_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
76 void *data)
77{
78 int ret;
79
80 ret = gpio_request(SDHC2_CD, "sdhc-detect");
81 if (ret)
82 return ret;
83
84 gpio_direction_input(SDHC2_CD);
85
86 ret = gpio_request(SDHC2_WP, "sdhc-wp");
87 if (ret)
88 goto err_gpio_free;
89 gpio_direction_input(SDHC2_WP);
90
91 ret = request_irq(gpio_to_irq(SDHC2_CD), detect_irq,
92 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
93 "sdhc2-card-detect", data);
94 if (ret)
95 goto err_gpio_free_2;
96
97 return 0;
98
99err_gpio_free_2:
100 gpio_free(SDHC2_WP);
101err_gpio_free:
102 gpio_free(SDHC2_CD);
103
104 return ret;
105}
106
107static void marxbot_sdhc2_exit(struct device *dev, void *data)
108{
109 free_irq(gpio_to_irq(SDHC2_CD), data);
110 gpio_free(SDHC2_WP);
111 gpio_free(SDHC2_CD);
112}
113
114static const struct imxmmc_platform_data sdhc2_pdata __initconst = {
115 .get_ro = marxbot_sdhc2_get_ro,
116 .init = marxbot_sdhc2_init,
117 .exit = marxbot_sdhc2_exit,
118};
119
120#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_STXD5)
121#define DSPICS_RST_B IOMUX_TO_GPIO(MX31_PIN_SRXD5)
122
123static void dspics_resets_init(void)
124{
125 if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
126 gpio_direction_output(TRSLAT_RST_B, 0);
127 gpio_export(TRSLAT_RST_B, false);
128 }
129
130 if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
131 gpio_direction_output(DSPICS_RST_B, 0);
132 gpio_export(DSPICS_RST_B, false);
133 }
134}
135
136static struct spi_board_info marxbot_spi_board_info[] __initdata = {
137 {
138 .modalias = "spidev",
139 .max_speed_hz = 300000,
140 .bus_num = 1,
141 .chip_select = 1,
142 },
143};
144
145#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
146#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5)
147#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
148#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4)
149#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2)
150
151static int marxbot_basecam_power(struct device *dev, int on)
152{
153 gpio_set_value(BASECAM_POWER, !on);
154 return 0;
155}
156
157static int marxbot_basecam_reset(struct device *dev)
158{
159 gpio_set_value(BASECAM_RST_B, 0);
160 udelay(100);
161 gpio_set_value(BASECAM_RST_B, 1);
162 return 0;
163}
164
165static struct i2c_board_info marxbot_i2c_devices[] = {
166 {
167 I2C_BOARD_INFO("mt9t031", 0x5d),
168 },
169};
170
171static struct soc_camera_link base_iclink = {
172 .bus_id = 0,
173 .power = marxbot_basecam_power,
174 .reset = marxbot_basecam_reset,
175 .board_info = &marxbot_i2c_devices[0],
176 .i2c_adapter_id = 0,
177};
178
179static struct platform_device marxbot_camera[] = {
180 {
181 .name = "soc-camera-pdrv",
182 .id = 0,
183 .dev = {
184 .platform_data = &base_iclink,
185 },
186 },
187};
188
189static struct platform_device *marxbot_cameras[] __initdata = {
190 &marxbot_camera[0],
191};
192
193static int __init marxbot_cam_init(void)
194{
195 int ret = gpio_request(CAM_CHOICE, "cam-choice");
196 if (ret)
197 return ret;
198 gpio_direction_output(CAM_CHOICE, 0);
199
200 ret = gpio_request(BASECAM_RST_B, "basecam-reset");
201 if (ret)
202 return ret;
203 gpio_direction_output(BASECAM_RST_B, 1);
204 ret = gpio_request(BASECAM_POWER, "basecam-standby");
205 if (ret)
206 return ret;
207 gpio_direction_output(BASECAM_POWER, 0);
208
209 ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset");
210 if (ret)
211 return ret;
212 gpio_direction_output(TURRETCAM_RST_B, 1);
213 ret = gpio_request(TURRETCAM_POWER, "turretcam-standby");
214 if (ret)
215 return ret;
216 gpio_direction_output(TURRETCAM_POWER, 0);
217
218 return 0;
219}
220
221#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
222#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
223#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
224#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
225
226static void marxbot_init_sel_gpios(void)
227{
228 if (!gpio_request(SEL0, "sel0")) {
229 gpio_direction_input(SEL0);
230 gpio_export(SEL0, true);
231 }
232
233 if (!gpio_request(SEL1, "sel1")) {
234 gpio_direction_input(SEL1);
235 gpio_export(SEL1, true);
236 }
237
238 if (!gpio_request(SEL2, "sel2")) {
239 gpio_direction_input(SEL2);
240 gpio_export(SEL2, true);
241 }
242
243 if (!gpio_request(SEL3, "sel3")) {
244 gpio_direction_input(SEL3);
245 gpio_export(SEL3, true);
246 }
247}
248
249#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
250 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
251
252static int marxbot_usbh1_hw_init(struct platform_device *pdev)
253{
254 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
255
256 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
257 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
258 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
259 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
260 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
261 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
262 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
263 mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
264
265 mdelay(10);
266
267 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
268 MXC_EHCI_INTERFACE_SINGLE_UNI);
269}
270
271#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
272#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
273
274static int marxbot_isp1105_init(struct usb_phy *otg)
275{
276 int ret = gpio_request(USBH1_MODE, "usbh1-mode");
277 if (ret)
278 return ret;
279
280 gpio_direction_output(USBH1_MODE, 0);
281
282 ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
283 if (ret) {
284 gpio_free(USBH1_MODE);
285 return ret;
286 }
287 gpio_direction_output(USBH1_VBUSEN_B, 1);
288
289 return 0;
290}
291
292
293static int marxbot_isp1105_set_vbus(struct usb_otg *otg, bool on)
294{
295 if (on)
296 gpio_set_value(USBH1_VBUSEN_B, 0);
297 else
298 gpio_set_value(USBH1_VBUSEN_B, 1);
299
300 return 0;
301}
302
303static struct mxc_usbh_platform_data usbh1_pdata __initdata = {
304 .init = marxbot_usbh1_hw_init,
305 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
306};
307
308static int __init marxbot_usbh1_init(void)
309{
310 struct usb_phy *phy;
311 struct platform_device *pdev;
312
313 phy = kzalloc(sizeof(*phy), GFP_KERNEL);
314 if (!phy)
315 return -ENOMEM;
316
317 phy->otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
318 if (!phy->otg) {
319 kfree(phy);
320 return -ENOMEM;
321 }
322
323 phy->label = "ISP1105";
324 phy->init = marxbot_isp1105_init;
325 phy->otg->set_vbus = marxbot_isp1105_set_vbus;
326
327 usbh1_pdata.otg = phy;
328
329 pdev = imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
330 if (IS_ERR(pdev))
331 return PTR_ERR(pdev);
332
333 return 0;
334}
335
336static const struct fsl_usb2_platform_data usb_pdata __initconst = {
337 .operating_mode = FSL_USB2_DR_DEVICE,
338 .phy_mode = FSL_USB2_PHY_ULPI,
339};
340
341
342
343
344void __init mx31moboard_marxbot_init(void)
345{
346 printk(KERN_INFO "Initializing mx31marxbot peripherals\n");
347
348 mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
349 "marxbot");
350
351 marxbot_init_sel_gpios();
352
353 dspics_resets_init();
354
355 imx31_add_mxc_mmc(1, &sdhc2_pdata);
356
357 spi_register_board_info(marxbot_spi_board_info,
358 ARRAY_SIZE(marxbot_spi_board_info));
359
360 marxbot_cam_init();
361 platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras));
362
363
364 gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
365 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
366 gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
367
368 imx31_add_fsl_usb2_udc(&usb_pdata);
369
370 marxbot_usbh1_init();
371}
372
