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