1 /*
2  *  Copyright (C) 2008 Sascha Hauer, Pengutronix
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.
13  */
14 
15 #include <linux/types.h>
16 #include <linux/init.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/mtd/plat-ram.h>
21 #include <linux/memory.h>
22 #include <linux/gpio.h>
23 #include <linux/smsc911x.h>
24 #include <linux/interrupt.h>
25 #include <linux/i2c.h>
26 #include <linux/i2c/at24.h>
27 #include <linux/delay.h>
28 #include <linux/spi/spi.h>
29 #include <linux/irq.h>
30 #include <linux/can/platform/sja1000.h>
31 #include <linux/usb/otg.h>
32 #include <linux/usb/ulpi.h>
33 #include <linux/gfp.h>
34 #include <linux/memblock.h>
35 
36 #include <media/soc_camera.h>
37 
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/time.h>
41 #include <asm/mach/map.h>
42 #include <asm/memblock.h>
43 #include <mach/common.h>
44 #include <mach/hardware.h>
45 #include <mach/iomux-mx3.h>
46 #include <mach/ulpi.h>
47 
48 #include "devices-imx31.h"
49 #include "pcm037.h"
50 
51 static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
52 
pcm037_variant_setup(char * str)53 static int __init pcm037_variant_setup(char *str)
54 {
55 	if (!strcmp("eet", str))
56 		pcm037_instance = PCM037_EET;
57 	else if (strcmp("pcm970", str))
58 		pr_warning("Unknown pcm037 baseboard variant %s\n", str);
59 
60 	return 1;
61 }
62 
63 /* Supported values: "pcm970" (default) and "eet" */
64 __setup("pcm037_variant=", pcm037_variant_setup);
65 
pcm037_variant(void)66 enum pcm037_board_variant pcm037_variant(void)
67 {
68 	return pcm037_instance;
69 }
70 
71 /* UART1 with RTS/CTS handshake signals */
72 static unsigned int pcm037_uart1_handshake_pins[] = {
73 	MX31_PIN_CTS1__CTS1,
74 	MX31_PIN_RTS1__RTS1,
75 	MX31_PIN_TXD1__TXD1,
76 	MX31_PIN_RXD1__RXD1,
77 };
78 
79 /* UART1 without RTS/CTS handshake signals */
80 static unsigned int pcm037_uart1_pins[] = {
81 	MX31_PIN_TXD1__TXD1,
82 	MX31_PIN_RXD1__RXD1,
83 };
84 
85 static unsigned int pcm037_pins[] = {
86 	/* I2C */
87 	MX31_PIN_CSPI2_MOSI__SCL,
88 	MX31_PIN_CSPI2_MISO__SDA,
89 	MX31_PIN_CSPI2_SS2__I2C3_SDA,
90 	MX31_PIN_CSPI2_SCLK__I2C3_SCL,
91 	/* SDHC1 */
92 	MX31_PIN_SD1_DATA3__SD1_DATA3,
93 	MX31_PIN_SD1_DATA2__SD1_DATA2,
94 	MX31_PIN_SD1_DATA1__SD1_DATA1,
95 	MX31_PIN_SD1_DATA0__SD1_DATA0,
96 	MX31_PIN_SD1_CLK__SD1_CLK,
97 	MX31_PIN_SD1_CMD__SD1_CMD,
98 	IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
99 	IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
100 	/* SPI1 */
101 	MX31_PIN_CSPI1_MOSI__MOSI,
102 	MX31_PIN_CSPI1_MISO__MISO,
103 	MX31_PIN_CSPI1_SCLK__SCLK,
104 	MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
105 	MX31_PIN_CSPI1_SS0__SS0,
106 	MX31_PIN_CSPI1_SS1__SS1,
107 	MX31_PIN_CSPI1_SS2__SS2,
108 	/* UART2 */
109 	MX31_PIN_TXD2__TXD2,
110 	MX31_PIN_RXD2__RXD2,
111 	MX31_PIN_CTS2__CTS2,
112 	MX31_PIN_RTS2__RTS2,
113 	/* UART3 */
114 	MX31_PIN_CSPI3_MOSI__RXD3,
115 	MX31_PIN_CSPI3_MISO__TXD3,
116 	MX31_PIN_CSPI3_SCLK__RTS3,
117 	MX31_PIN_CSPI3_SPI_RDY__CTS3,
118 	/* LAN9217 irq pin */
119 	IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
120 	/* Onewire */
121 	MX31_PIN_BATT_LINE__OWIRE,
122 	/* Framebuffer */
123 	MX31_PIN_LD0__LD0,
124 	MX31_PIN_LD1__LD1,
125 	MX31_PIN_LD2__LD2,
126 	MX31_PIN_LD3__LD3,
127 	MX31_PIN_LD4__LD4,
128 	MX31_PIN_LD5__LD5,
129 	MX31_PIN_LD6__LD6,
130 	MX31_PIN_LD7__LD7,
131 	MX31_PIN_LD8__LD8,
132 	MX31_PIN_LD9__LD9,
133 	MX31_PIN_LD10__LD10,
134 	MX31_PIN_LD11__LD11,
135 	MX31_PIN_LD12__LD12,
136 	MX31_PIN_LD13__LD13,
137 	MX31_PIN_LD14__LD14,
138 	MX31_PIN_LD15__LD15,
139 	MX31_PIN_LD16__LD16,
140 	MX31_PIN_LD17__LD17,
141 	MX31_PIN_VSYNC3__VSYNC3,
142 	MX31_PIN_HSYNC__HSYNC,
143 	MX31_PIN_FPSHIFT__FPSHIFT,
144 	MX31_PIN_DRDY0__DRDY0,
145 	MX31_PIN_D3_REV__D3_REV,
146 	MX31_PIN_CONTRAST__CONTRAST,
147 	MX31_PIN_D3_SPL__D3_SPL,
148 	MX31_PIN_D3_CLS__D3_CLS,
149 	MX31_PIN_LCS0__GPI03_23,
150 	/* CSI */
151 	IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
152 	MX31_PIN_CSI_D6__CSI_D6,
153 	MX31_PIN_CSI_D7__CSI_D7,
154 	MX31_PIN_CSI_D8__CSI_D8,
155 	MX31_PIN_CSI_D9__CSI_D9,
156 	MX31_PIN_CSI_D10__CSI_D10,
157 	MX31_PIN_CSI_D11__CSI_D11,
158 	MX31_PIN_CSI_D12__CSI_D12,
159 	MX31_PIN_CSI_D13__CSI_D13,
160 	MX31_PIN_CSI_D14__CSI_D14,
161 	MX31_PIN_CSI_D15__CSI_D15,
162 	MX31_PIN_CSI_HSYNC__CSI_HSYNC,
163 	MX31_PIN_CSI_MCLK__CSI_MCLK,
164 	MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
165 	MX31_PIN_CSI_VSYNC__CSI_VSYNC,
166 	/* GPIO */
167 	IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
168 	/* OTG */
169 	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
170 	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
171 	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
172 	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
173 	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
174 	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
175 	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
176 	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
177 	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
178 	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
179 	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
180 	MX31_PIN_USBOTG_STP__USBOTG_STP,
181 	/* USB host 2 */
182 	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
183 	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
184 	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
185 	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
186 	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
187 	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
188 	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
189 	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
190 	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
191 	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
192 	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
193 	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
194 };
195 
196 static struct physmap_flash_data pcm037_flash_data = {
197 	.width  = 2,
198 };
199 
200 static struct resource pcm037_flash_resource = {
201 	.start	= 0xa0000000,
202 	.end	= 0xa1ffffff,
203 	.flags	= IORESOURCE_MEM,
204 };
205 
206 static struct platform_device pcm037_flash = {
207 	.name	= "physmap-flash",
208 	.id	= 0,
209 	.dev	= {
210 		.platform_data  = &pcm037_flash_data,
211 	},
212 	.resource = &pcm037_flash_resource,
213 	.num_resources = 1,
214 };
215 
216 static const struct imxuart_platform_data uart_pdata __initconst = {
217 	.flags = IMXUART_HAVE_RTSCTS,
218 };
219 
220 static struct resource smsc911x_resources[] = {
221 	{
222 		.start		= MX31_CS1_BASE_ADDR + 0x300,
223 		.end		= MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
224 		.flags		= IORESOURCE_MEM,
225 	}, {
226 		.start		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
227 		.end		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
228 		.flags		= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
229 	},
230 };
231 
232 static struct smsc911x_platform_config smsc911x_info = {
233 	.flags		= SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
234 			  SMSC911X_SAVE_MAC_ADDRESS,
235 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
236 	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
237 	.phy_interface	= PHY_INTERFACE_MODE_MII,
238 };
239 
240 static struct platform_device pcm037_eth = {
241 	.name		= "smsc911x",
242 	.id		= -1,
243 	.num_resources	= ARRAY_SIZE(smsc911x_resources),
244 	.resource	= smsc911x_resources,
245 	.dev		= {
246 		.platform_data = &smsc911x_info,
247 	},
248 };
249 
250 static struct platdata_mtd_ram pcm038_sram_data = {
251 	.bankwidth = 2,
252 };
253 
254 static struct resource pcm038_sram_resource = {
255 	.start = MX31_CS4_BASE_ADDR,
256 	.end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
257 	.flags = IORESOURCE_MEM,
258 };
259 
260 static struct platform_device pcm037_sram_device = {
261 	.name = "mtd-ram",
262 	.id = 0,
263 	.dev = {
264 		.platform_data = &pcm038_sram_data,
265 	},
266 	.num_resources = 1,
267 	.resource = &pcm038_sram_resource,
268 };
269 
270 static const struct mxc_nand_platform_data
271 pcm037_nand_board_info __initconst = {
272 	.width = 1,
273 	.hw_ecc = 1,
274 };
275 
276 static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
277 	.bitrate = 100000,
278 };
279 
280 static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
281 	.bitrate = 20000,
282 };
283 
284 static struct at24_platform_data board_eeprom = {
285 	.byte_len = 4096,
286 	.page_size = 32,
287 	.flags = AT24_FLAG_ADDR16,
288 };
289 
pcm037_camera_power(struct device * dev,int on)290 static int pcm037_camera_power(struct device *dev, int on)
291 {
292 	/* disable or enable the camera in X7 or X8 PCM970 connector */
293 	gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
294 	return 0;
295 }
296 
297 static struct i2c_board_info pcm037_i2c_camera[] = {
298 	{
299 		I2C_BOARD_INFO("mt9t031", 0x5d),
300 	}, {
301 		I2C_BOARD_INFO("mt9v022", 0x48),
302 	},
303 };
304 
305 static struct soc_camera_link iclink_mt9v022 = {
306 	.bus_id		= 0,		/* Must match with the camera ID */
307 	.board_info	= &pcm037_i2c_camera[1],
308 	.i2c_adapter_id	= 2,
309 };
310 
311 static struct soc_camera_link iclink_mt9t031 = {
312 	.bus_id		= 0,		/* Must match with the camera ID */
313 	.power		= pcm037_camera_power,
314 	.board_info	= &pcm037_i2c_camera[0],
315 	.i2c_adapter_id	= 2,
316 };
317 
318 static struct i2c_board_info pcm037_i2c_devices[] = {
319 	{
320 		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
321 		.platform_data = &board_eeprom,
322 	}, {
323 		I2C_BOARD_INFO("pcf8563", 0x51),
324 	}
325 };
326 
327 static struct platform_device pcm037_mt9t031 = {
328 	.name	= "soc-camera-pdrv",
329 	.id	= 0,
330 	.dev	= {
331 		.platform_data = &iclink_mt9t031,
332 	},
333 };
334 
335 static struct platform_device pcm037_mt9v022 = {
336 	.name	= "soc-camera-pdrv",
337 	.id	= 1,
338 	.dev	= {
339 		.platform_data = &iclink_mt9v022,
340 	},
341 };
342 
343 /* Not connected by default */
344 #ifdef PCM970_SDHC_RW_SWITCH
pcm970_sdhc1_get_ro(struct device * dev)345 static int pcm970_sdhc1_get_ro(struct device *dev)
346 {
347 	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
348 }
349 #endif
350 
351 #define SDHC1_GPIO_WP	IOMUX_TO_GPIO(MX31_PIN_SFS6)
352 #define SDHC1_GPIO_DET	IOMUX_TO_GPIO(MX31_PIN_SCK6)
353 
pcm970_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)354 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
355 		void *data)
356 {
357 	int ret;
358 
359 	ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
360 	if (ret)
361 		return ret;
362 
363 	gpio_direction_input(SDHC1_GPIO_DET);
364 
365 #ifdef PCM970_SDHC_RW_SWITCH
366 	ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
367 	if (ret)
368 		goto err_gpio_free;
369 	gpio_direction_input(SDHC1_GPIO_WP);
370 #endif
371 
372 	ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
373 			IRQF_DISABLED | IRQF_TRIGGER_FALLING,
374 				"sdhc-detect", data);
375 	if (ret)
376 		goto err_gpio_free_2;
377 
378 	return 0;
379 
380 err_gpio_free_2:
381 #ifdef PCM970_SDHC_RW_SWITCH
382 	gpio_free(SDHC1_GPIO_WP);
383 err_gpio_free:
384 #endif
385 	gpio_free(SDHC1_GPIO_DET);
386 
387 	return ret;
388 }
389 
pcm970_sdhc1_exit(struct device * dev,void * data)390 static void pcm970_sdhc1_exit(struct device *dev, void *data)
391 {
392 	free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
393 	gpio_free(SDHC1_GPIO_DET);
394 	gpio_free(SDHC1_GPIO_WP);
395 }
396 
397 static const struct imxmmc_platform_data sdhc_pdata __initconst = {
398 #ifdef PCM970_SDHC_RW_SWITCH
399 	.get_ro = pcm970_sdhc1_get_ro,
400 #endif
401 	.init = pcm970_sdhc1_init,
402 	.exit = pcm970_sdhc1_exit,
403 };
404 
405 struct mx3_camera_pdata camera_pdata __initdata = {
406 	.flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
407 	.mclk_10khz	= 2000,
408 };
409 
410 static phys_addr_t mx3_camera_base __initdata;
411 #define MX3_CAMERA_BUF_SIZE SZ_4M
412 
pcm037_init_camera(void)413 static int __init pcm037_init_camera(void)
414 {
415 	int dma, ret = -ENOMEM;
416 	struct platform_device *pdev = imx31_alloc_mx3_camera(&camera_pdata);
417 
418 	if (IS_ERR(pdev))
419 		return PTR_ERR(pdev);
420 
421 	dma = dma_declare_coherent_memory(&pdev->dev,
422 					mx3_camera_base, mx3_camera_base,
423 					MX3_CAMERA_BUF_SIZE,
424 					DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
425 	if (!(dma & DMA_MEMORY_MAP))
426 		goto err;
427 
428 	ret = platform_device_add(pdev);
429 	if (ret)
430 err:
431 		platform_device_put(pdev);
432 
433 	return ret;
434 }
435 
436 static struct platform_device *devices[] __initdata = {
437 	&pcm037_flash,
438 	&pcm037_sram_device,
439 	&pcm037_mt9t031,
440 	&pcm037_mt9v022,
441 };
442 
443 static const struct ipu_platform_data mx3_ipu_data __initconst = {
444 	.irq_base = MXC_IPU_IRQ_START,
445 };
446 
447 static const struct fb_videomode fb_modedb[] = {
448 	{
449 		/* 240x320 @ 60 Hz Sharp */
450 		.name		= "Sharp-LQ035Q7DH06-QVGA",
451 		.refresh	= 60,
452 		.xres		= 240,
453 		.yres		= 320,
454 		.pixclock	= 185925,
455 		.left_margin	= 9,
456 		.right_margin	= 16,
457 		.upper_margin	= 7,
458 		.lower_margin	= 9,
459 		.hsync_len	= 1,
460 		.vsync_len	= 1,
461 		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
462 				  FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
463 		.vmode		= FB_VMODE_NONINTERLACED,
464 		.flag		= 0,
465 	}, {
466 		/* 240x320 @ 60 Hz */
467 		.name		= "TX090",
468 		.refresh	= 60,
469 		.xres		= 240,
470 		.yres		= 320,
471 		.pixclock	= 38255,
472 		.left_margin	= 144,
473 		.right_margin	= 0,
474 		.upper_margin	= 7,
475 		.lower_margin	= 40,
476 		.hsync_len	= 96,
477 		.vsync_len	= 1,
478 		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
479 		.vmode		= FB_VMODE_NONINTERLACED,
480 		.flag		= 0,
481 	}, {
482 		/* 240x320 @ 60 Hz */
483 		.name		= "CMEL-OLED",
484 		.refresh	= 60,
485 		.xres		= 240,
486 		.yres		= 320,
487 		.pixclock	= 185925,
488 		.left_margin	= 9,
489 		.right_margin	= 16,
490 		.upper_margin	= 7,
491 		.lower_margin	= 9,
492 		.hsync_len	= 1,
493 		.vsync_len	= 1,
494 		.sync		= FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
495 		.vmode		= FB_VMODE_NONINTERLACED,
496 		.flag		= 0,
497 	},
498 };
499 
500 static struct mx3fb_platform_data mx3fb_pdata = {
501 	.name		= "Sharp-LQ035Q7DH06-QVGA",
502 	.mode		= fb_modedb,
503 	.num_modes	= ARRAY_SIZE(fb_modedb),
504 };
505 
506 static struct resource pcm970_sja1000_resources[] = {
507 	{
508 		.start   = MX31_CS5_BASE_ADDR,
509 		.end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
510 		.flags   = IORESOURCE_MEM,
511 	}, {
512 		.start   = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
513 		.end     = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
514 		.flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
515 	},
516 };
517 
518 struct sja1000_platform_data pcm970_sja1000_platform_data = {
519 	.osc_freq	= 16000000,
520 	.ocr		= OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
521 	.cdr		= CDR_CBP,
522 };
523 
524 static struct platform_device pcm970_sja1000 = {
525 	.name = "sja1000_platform",
526 	.dev = {
527 		.platform_data = &pcm970_sja1000_platform_data,
528 	},
529 	.resource = pcm970_sja1000_resources,
530 	.num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
531 };
532 
pcm037_otg_init(struct platform_device * pdev)533 static int pcm037_otg_init(struct platform_device *pdev)
534 {
535 	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
536 }
537 
538 static struct mxc_usbh_platform_data otg_pdata __initdata = {
539 	.init	= pcm037_otg_init,
540 	.portsc	= MXC_EHCI_MODE_ULPI,
541 };
542 
pcm037_usbh2_init(struct platform_device * pdev)543 static int pcm037_usbh2_init(struct platform_device *pdev)
544 {
545 	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
546 }
547 
548 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
549 	.init	= pcm037_usbh2_init,
550 	.portsc	= MXC_EHCI_MODE_ULPI,
551 };
552 
553 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
554 	.operating_mode = FSL_USB2_DR_DEVICE,
555 	.phy_mode       = FSL_USB2_PHY_ULPI,
556 };
557 
558 static int otg_mode_host;
559 
pcm037_otg_mode(char * options)560 static int __init pcm037_otg_mode(char *options)
561 {
562 	if (!strcmp(options, "host"))
563 		otg_mode_host = 1;
564 	else if (!strcmp(options, "device"))
565 		otg_mode_host = 0;
566 	else
567 		pr_info("otg_mode neither \"host\" nor \"device\". "
568 			"Defaulting to device\n");
569 	return 0;
570 }
571 __setup("otg_mode=", pcm037_otg_mode);
572 
573 /*
574  * Board specific initialization.
575  */
pcm037_init(void)576 static void __init pcm037_init(void)
577 {
578 	int ret;
579 
580 	imx31_soc_init();
581 
582 	mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
583 
584 	mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
585 			"pcm037");
586 
587 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
588 		| PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
589 
590 	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
591 	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
592 	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
593 	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
594 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
595 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
596 	mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);	/* USBH2_DATA2 */
597 	mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);	/* USBH2_DATA3 */
598 	mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);	/* USBH2_DATA4 */
599 	mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);	/* USBH2_DATA5 */
600 	mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);	/* USBH2_DATA6 */
601 	mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);	/* USBH2_DATA7 */
602 
603 	if (pcm037_variant() == PCM037_EET)
604 		mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
605 			ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
606 	else
607 		mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
608 			ARRAY_SIZE(pcm037_uart1_handshake_pins),
609 			"pcm037_uart1");
610 
611 	platform_add_devices(devices, ARRAY_SIZE(devices));
612 
613 	imx31_add_imx2_wdt(NULL);
614 	imx31_add_imx_uart0(&uart_pdata);
615 	/* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
616 	imx31_add_imx_uart1(&uart_pdata);
617 	imx31_add_imx_uart2(&uart_pdata);
618 
619 	imx31_add_mxc_w1(NULL);
620 
621 	/* LAN9217 IRQ pin */
622 	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
623 	if (ret)
624 		pr_warning("could not get LAN irq gpio\n");
625 	else {
626 		gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
627 		platform_device_register(&pcm037_eth);
628 	}
629 
630 
631 	/* I2C adapters and devices */
632 	i2c_register_board_info(1, pcm037_i2c_devices,
633 			ARRAY_SIZE(pcm037_i2c_devices));
634 
635 	imx31_add_imx_i2c1(&pcm037_i2c1_data);
636 	imx31_add_imx_i2c2(&pcm037_i2c2_data);
637 
638 	imx31_add_mxc_nand(&pcm037_nand_board_info);
639 	imx31_add_mxc_mmc(0, &sdhc_pdata);
640 	imx31_add_ipu_core(&mx3_ipu_data);
641 	imx31_add_mx3_sdc_fb(&mx3fb_pdata);
642 
643 	/* CSI */
644 	/* Camera power: default - off */
645 	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
646 	if (!ret)
647 		gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
648 	else
649 		iclink_mt9t031.power = NULL;
650 
651 	pcm037_init_camera();
652 
653 	platform_device_register(&pcm970_sja1000);
654 
655 	if (otg_mode_host) {
656 		otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
657 				ULPI_OTG_DRVVBUS_EXT);
658 		if (otg_pdata.otg)
659 			imx31_add_mxc_ehci_otg(&otg_pdata);
660 	}
661 
662 	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
663 			ULPI_OTG_DRVVBUS_EXT);
664 	if (usbh2_pdata.otg)
665 		imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
666 
667 	if (!otg_mode_host)
668 		imx31_add_fsl_usb2_udc(&otg_device_pdata);
669 
670 }
671 
pcm037_timer_init(void)672 static void __init pcm037_timer_init(void)
673 {
674 	mx31_clocks_init(26000000);
675 }
676 
677 struct sys_timer pcm037_timer = {
678 	.init	= pcm037_timer_init,
679 };
680 
pcm037_reserve(void)681 static void __init pcm037_reserve(void)
682 {
683 	/* reserve 4 MiB for mx3-camera */
684 	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
685 			MX3_CAMERA_BUF_SIZE);
686 }
687 
688 MACHINE_START(PCM037, "Phytec Phycore pcm037")
689 	/* Maintainer: Pengutronix */
690 	.atag_offset = 0x100,
691 	.reserve = pcm037_reserve,
692 	.map_io = mx31_map_io,
693 	.init_early = imx31_init_early,
694 	.init_irq = mx31_init_irq,
695 	.handle_irq = imx31_handle_irq,
696 	.timer = &pcm037_timer,
697 	.init_machine = pcm037_init,
698 	.restart	= mxc_restart,
699 MACHINE_END
700