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23#include <linux/platform_device.h>
24#include <linux/gpio.h>
25#include <linux/irq.h>
26#include <linux/usb/otg.h>
27#include <linux/usb/ulpi.h>
28#include <linux/delay.h>
29#include <linux/mfd/mc13783.h>
30#include <linux/spi/spi.h>
31#include <linux/regulator/machine.h>
32#include <linux/spi/l4f00242t03.h>
33
34#include <media/soc_camera.h>
35
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/time.h>
39
40#include "3ds_debugboard.h"
41#include "common.h"
42#include "devices-imx27.h"
43#include "hardware.h"
44#include "iomux-mx27.h"
45#include "ulpi.h"
46
47#define SD1_EN_GPIO IMX_GPIO_NR(2, 25)
48#define OTG_PHY_RESET_GPIO IMX_GPIO_NR(2, 23)
49#define SPI2_SS0 IMX_GPIO_NR(4, 21)
50#define PMIC_INT IMX_GPIO_NR(3, 14)
51#define SPI1_SS0 IMX_GPIO_NR(4, 28)
52#define SD1_CD IMX_GPIO_NR(2, 26)
53#define LCD_RESET IMX_GPIO_NR(1, 3)
54#define LCD_ENABLE IMX_GPIO_NR(1, 31)
55#define CSI_PWRDWN IMX_GPIO_NR(4, 19)
56#define CSI_RESET IMX_GPIO_NR(3, 6)
57
58static const int mx27pdk_pins[] __initconst = {
59
60 PE12_PF_UART1_TXD,
61 PE13_PF_UART1_RXD,
62 PE14_PF_UART1_CTS,
63 PE15_PF_UART1_RTS,
64
65 PD0_AIN_FEC_TXD0,
66 PD1_AIN_FEC_TXD1,
67 PD2_AIN_FEC_TXD2,
68 PD3_AIN_FEC_TXD3,
69 PD4_AOUT_FEC_RX_ER,
70 PD5_AOUT_FEC_RXD1,
71 PD6_AOUT_FEC_RXD2,
72 PD7_AOUT_FEC_RXD3,
73 PD8_AF_FEC_MDIO,
74 PD9_AIN_FEC_MDC,
75 PD10_AOUT_FEC_CRS,
76 PD11_AOUT_FEC_TX_CLK,
77 PD12_AOUT_FEC_RXD0,
78 PD13_AOUT_FEC_RX_DV,
79 PD14_AOUT_FEC_RX_CLK,
80 PD15_AOUT_FEC_COL,
81 PD16_AIN_FEC_TX_ER,
82 PF23_AIN_FEC_TX_EN,
83
84 PE18_PF_SD1_D0,
85 PE19_PF_SD1_D1,
86 PE20_PF_SD1_D2,
87 PE21_PF_SD1_D3,
88 PE22_PF_SD1_CMD,
89 PE23_PF_SD1_CLK,
90 SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
91
92 OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
93 PC7_PF_USBOTG_DATA5,
94 PC8_PF_USBOTG_DATA6,
95 PC9_PF_USBOTG_DATA0,
96 PC10_PF_USBOTG_DATA2,
97 PC11_PF_USBOTG_DATA1,
98 PC12_PF_USBOTG_DATA4,
99 PC13_PF_USBOTG_DATA3,
100 PE0_PF_USBOTG_NXT,
101 PE1_PF_USBOTG_STP,
102 PE2_PF_USBOTG_DIR,
103 PE24_PF_USBOTG_CLK,
104 PE25_PF_USBOTG_DATA7,
105
106 PD31_PF_CSPI1_MOSI,
107 PD30_PF_CSPI1_MISO,
108 PD29_PF_CSPI1_SCLK,
109 PD25_PF_CSPI1_RDY,
110 SPI1_SS0 | GPIO_GPIO | GPIO_OUT,
111
112 PD22_PF_CSPI2_SCLK,
113 PD23_PF_CSPI2_MISO,
114 PD24_PF_CSPI2_MOSI,
115 SPI2_SS0 | GPIO_GPIO | GPIO_OUT,
116
117 PD17_PF_I2C_DATA,
118 PD18_PF_I2C_CLK,
119
120 PMIC_INT | GPIO_GPIO | GPIO_IN,
121
122 PA5_PF_LSCLK,
123 PA6_PF_LD0,
124 PA7_PF_LD1,
125 PA8_PF_LD2,
126 PA9_PF_LD3,
127 PA10_PF_LD4,
128 PA11_PF_LD5,
129 PA12_PF_LD6,
130 PA13_PF_LD7,
131 PA14_PF_LD8,
132 PA15_PF_LD9,
133 PA16_PF_LD10,
134 PA17_PF_LD11,
135 PA18_PF_LD12,
136 PA19_PF_LD13,
137 PA20_PF_LD14,
138 PA21_PF_LD15,
139 PA22_PF_LD16,
140 PA23_PF_LD17,
141 PA28_PF_HSYNC,
142 PA29_PF_VSYNC,
143 PA30_PF_CONTRAST,
144 LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
145 LCD_RESET | GPIO_GPIO | GPIO_OUT,
146
147 PB10_PF_CSI_D0,
148 PB11_PF_CSI_D1,
149 PB12_PF_CSI_D2,
150 PB13_PF_CSI_D3,
151 PB14_PF_CSI_D4,
152 PB15_PF_CSI_MCLK,
153 PB16_PF_CSI_PIXCLK,
154 PB17_PF_CSI_D5,
155 PB18_PF_CSI_D6,
156 PB19_PF_CSI_D7,
157 PB20_PF_CSI_VSYNC,
158 PB21_PF_CSI_HSYNC,
159 CSI_PWRDWN | GPIO_GPIO | GPIO_OUT,
160 CSI_RESET | GPIO_GPIO | GPIO_OUT,
161
162 PC16_PF_SSI4_FS,
163 PC17_PF_SSI4_RXD,
164 PC18_PF_SSI4_TXD,
165 PC19_PF_SSI4_CLK,
166};
167
168static struct gpio mx27_3ds_camera_gpios[] = {
169 { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" },
170 { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" },
171};
172
173static const struct imxuart_platform_data uart_pdata __initconst = {
174 .flags = IMXUART_HAVE_RTSCTS,
175};
176
177
178
179
180
181static const uint32_t mx27_3ds_keymap[] = {
182 KEY(0, 0, KEY_UP),
183 KEY(0, 1, KEY_DOWN),
184 KEY(1, 0, KEY_RIGHT),
185 KEY(1, 1, KEY_LEFT),
186 KEY(1, 2, KEY_ENTER),
187 KEY(2, 0, KEY_F6),
188 KEY(2, 1, KEY_F8),
189 KEY(2, 2, KEY_F9),
190 KEY(2, 3, KEY_F10),
191};
192
193static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
194 .keymap = mx27_3ds_keymap,
195 .keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
196};
197
198static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
199 void *data)
200{
201 return request_irq(gpio_to_irq(SD1_CD), detect_irq,
202 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
203}
204
205static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
206{
207 free_irq(gpio_to_irq(SD1_CD), data);
208}
209
210static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
211 .init = mx27_3ds_sdhc1_init,
212 .exit = mx27_3ds_sdhc1_exit,
213};
214
215static void mx27_3ds_sdhc1_enable_level_translator(void)
216{
217
218 gpio_request(SD1_EN_GPIO, "sd1_enable");
219 gpio_direction_output(SD1_EN_GPIO, 1);
220}
221
222
223static int otg_phy_init(void)
224{
225 gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
226 gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
227 mdelay(1);
228 gpio_set_value(OTG_PHY_RESET_GPIO, 1);
229 return 0;
230}
231
232static int mx27_3ds_otg_init(struct platform_device *pdev)
233{
234 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
235}
236
237static struct mxc_usbh_platform_data otg_pdata __initdata = {
238 .init = mx27_3ds_otg_init,
239 .portsc = MXC_EHCI_MODE_ULPI,
240};
241
242static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
243 .operating_mode = FSL_USB2_DR_DEVICE,
244 .phy_mode = FSL_USB2_PHY_ULPI,
245};
246
247static bool otg_mode_host __initdata;
248
249static int __init mx27_3ds_otg_mode(char *options)
250{
251 if (!strcmp(options, "host"))
252 otg_mode_host = true;
253 else if (!strcmp(options, "device"))
254 otg_mode_host = false;
255 else
256 pr_info("otg_mode neither \"host\" nor \"device\". "
257 "Defaulting to device\n");
258 return 1;
259}
260__setup("otg_mode=", mx27_3ds_otg_mode);
261
262
263static struct regulator_init_data gpo_init = {
264 .constraints = {
265 .boot_on = 1,
266 .always_on = 1,
267 }
268};
269
270static struct regulator_consumer_supply vmmc1_consumers[] = {
271 REGULATOR_SUPPLY("vcore", "spi0.0"),
272 REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
273};
274
275static struct regulator_init_data vmmc1_init = {
276 .constraints = {
277 .min_uV = 2800000,
278 .max_uV = 2800000,
279 .apply_uV = 1,
280 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
281 REGULATOR_CHANGE_STATUS,
282 },
283 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
284 .consumer_supplies = vmmc1_consumers,
285};
286
287static struct regulator_consumer_supply vgen_consumers[] = {
288 REGULATOR_SUPPLY("vdd", "spi0.0"),
289};
290
291static struct regulator_init_data vgen_init = {
292 .constraints = {
293 .min_uV = 1800000,
294 .max_uV = 1800000,
295 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
296 },
297 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
298 .consumer_supplies = vgen_consumers,
299};
300
301static struct regulator_consumer_supply vvib_consumers[] = {
302 REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
303};
304
305static struct regulator_init_data vvib_init = {
306 .constraints = {
307 .min_uV = 1300000,
308 .max_uV = 1300000,
309 .apply_uV = 1,
310 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
311 REGULATOR_CHANGE_STATUS,
312 },
313 .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
314 .consumer_supplies = vvib_consumers,
315};
316
317static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
318 {
319 .id = MC13783_REG_VMMC1,
320 .init_data = &vmmc1_init,
321 }, {
322 .id = MC13783_REG_VGEN,
323 .init_data = &vgen_init,
324 }, {
325 .id = MC13783_REG_GPO1,
326 .init_data = &gpo_init,
327 }, {
328 .id = MC13783_REG_GPO3,
329 .init_data = &gpo_init,
330 }, {
331 .id = MC13783_REG_VVIB,
332 .init_data = &vvib_init,
333 },
334};
335
336
337static struct mc13xxx_codec_platform_data mx27_3ds_codec = {
338 .dac_ssi_port = MC13783_SSI1_PORT,
339 .adc_ssi_port = MC13783_SSI1_PORT,
340};
341
342static struct mc13xxx_platform_data mc13783_pdata = {
343 .regulators = {
344 .regulators = mx27_3ds_regulators,
345 .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
346
347 },
348 .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC |
349 MC13XXX_USE_CODEC,
350 .codec = &mx27_3ds_codec,
351};
352
353static struct imx_ssi_platform_data mx27_3ds_ssi_pdata = {
354 .flags = IMX_SSI_DMA | IMX_SSI_NET,
355};
356
357
358static int spi1_chipselect[] = {SPI1_SS0};
359
360static const struct spi_imx_master spi1_pdata __initconst = {
361 .chipselect = spi1_chipselect,
362 .num_chipselect = ARRAY_SIZE(spi1_chipselect),
363};
364
365static int spi2_chipselect[] = {SPI2_SS0};
366
367static const struct spi_imx_master spi2_pdata __initconst = {
368 .chipselect = spi2_chipselect,
369 .num_chipselect = ARRAY_SIZE(spi2_chipselect),
370};
371
372static int mx27_3ds_camera_power(struct device *dev, int on)
373{
374
375 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
376 gpio_set_value(CSI_PWRDWN, on ? 0 : 1);
377
378 if (!on)
379 goto out;
380
381
382 gpio_set_value(CSI_RESET, 0);
383 msleep(20);
384 gpio_set_value(CSI_RESET, 1);
385 msleep(100);
386
387out:
388 return 0;
389}
390
391static struct i2c_board_info mx27_3ds_i2c_camera = {
392 I2C_BOARD_INFO("ov2640", 0x30),
393};
394
395static struct regulator_bulk_data mx27_3ds_camera_regs[] = {
396 { .supply = "cmos_vcore" },
397 { .supply = "cmos_2v8" },
398};
399
400static struct soc_camera_link iclink_ov2640 = {
401 .bus_id = 0,
402 .board_info = &mx27_3ds_i2c_camera,
403 .i2c_adapter_id = 0,
404 .power = mx27_3ds_camera_power,
405 .regulators = mx27_3ds_camera_regs,
406 .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs),
407};
408
409static struct platform_device mx27_3ds_ov2640 = {
410 .name = "soc-camera-pdrv",
411 .id = 0,
412 .dev = {
413 .platform_data = &iclink_ov2640,
414 },
415};
416
417static struct imx_fb_videomode mx27_3ds_modes[] = {
418 {
419 .mode = {
420 .name = "Epson-VGA",
421 .refresh = 60,
422 .xres = 480,
423 .yres = 640,
424 .pixclock = 41701,
425 .left_margin = 20,
426 .right_margin = 41,
427 .upper_margin = 10,
428 .lower_margin = 5,
429 .hsync_len = 20,
430 .vsync_len = 10,
431 .sync = FB_SYNC_OE_ACT_HIGH |
432 FB_SYNC_CLK_INVERT,
433 .vmode = FB_VMODE_NONINTERLACED,
434 .flag = 0,
435 },
436 .bpp = 16,
437 .pcr = 0xFAC08B82,
438 },
439};
440
441static const struct imx_fb_platform_data mx27_3ds_fb_data __initconst = {
442 .mode = mx27_3ds_modes,
443 .num_modes = ARRAY_SIZE(mx27_3ds_modes),
444 .pwmr = 0x00A903FF,
445 .lscr1 = 0x00120300,
446 .dmacr = 0x00020010,
447};
448
449
450static struct l4f00242t03_pdata mx27_3ds_lcd_pdata = {
451 .reset_gpio = LCD_RESET,
452 .data_enable_gpio = LCD_ENABLE,
453};
454
455static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
456 {
457 .modalias = "mc13783",
458 .max_speed_hz = 1000000,
459 .bus_num = 1,
460 .chip_select = 0,
461 .platform_data = &mc13783_pdata,
462
463 .mode = SPI_CS_HIGH,
464 }, {
465 .modalias = "l4f00242t03",
466 .max_speed_hz = 5000000,
467 .bus_num = 0,
468 .chip_select = 0,
469 .platform_data = &mx27_3ds_lcd_pdata,
470 },
471};
472
473static struct platform_device *devices[] __initdata = {
474 &mx27_3ds_ov2640,
475};
476
477static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = {
478 .clk = 26000000,
479};
480
481static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = {
482 .bitrate = 100000,
483};
484
485static void __init mx27pdk_init(void)
486{
487 int ret;
488 imx27_soc_init();
489
490 mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
491 "mx27pdk");
492 mx27_3ds_sdhc1_enable_level_translator();
493 imx27_add_imx_uart0(&uart_pdata);
494 imx27_add_fec(NULL);
495 imx27_add_imx_keypad(&mx27_3ds_keymap_data);
496 imx27_add_mxc_mmc(0, &sdhc1_pdata);
497 imx27_add_imx2_wdt();
498 otg_phy_init();
499
500 if (otg_mode_host) {
501 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
502 ULPI_OTG_DRVVBUS_EXT);
503
504 if (otg_pdata.otg)
505 imx27_add_mxc_ehci_otg(&otg_pdata);
506 }
507
508 if (!otg_mode_host)
509 imx27_add_fsl_usb2_udc(&otg_device_pdata);
510
511 imx27_add_spi_imx1(&spi2_pdata);
512 imx27_add_spi_imx0(&spi1_pdata);
513 mx27_3ds_spi_devs[0].irq = gpio_to_irq(PMIC_INT);
514 spi_register_board_info(mx27_3ds_spi_devs,
515 ARRAY_SIZE(mx27_3ds_spi_devs));
516
517 if (mxc_expio_init(MX27_CS5_BASE_ADDR, IMX_GPIO_NR(3, 28)))
518 pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
519 imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);
520 platform_add_devices(devices, ARRAY_SIZE(devices));
521 imx27_add_imx_fb(&mx27_3ds_fb_data);
522
523 ret = gpio_request_array(mx27_3ds_camera_gpios,
524 ARRAY_SIZE(mx27_3ds_camera_gpios));
525 if (ret) {
526 pr_err("Failed to request camera gpios");
527 iclink_ov2640.power = NULL;
528 }
529
530 imx27_add_mx2_camera(&mx27_3ds_cam_pdata);
531 imx27_add_imx_ssi(0, &mx27_3ds_ssi_pdata);
532
533 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
534}
535
536static void __init mx27pdk_timer_init(void)
537{
538 mx27_clocks_init(26000000);
539}
540
541MACHINE_START(MX27_3DS, "Freescale MX27PDK")
542
543 .atag_offset = 0x100,
544 .map_io = mx27_map_io,
545 .init_early = imx27_init_early,
546 .init_irq = mx27_init_irq,
547 .handle_irq = imx27_handle_irq,
548 .init_time = mx27pdk_timer_init,
549 .init_machine = mx27pdk_init,
550 .restart = mxc_restart,
551MACHINE_END
552
