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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/platform_data/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 #include <linux/regulator/machine.h>
36 #include <linux/regulator/fixed.h>
37 
38 #include <media/soc_camera.h>
39 
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43 #include <asm/mach/map.h>
44 #include <asm/memblock.h>
45 
46 #include "common.h"
47 #include "devices-imx31.h"
48 #include "ehci.h"
49 #include "hardware.h"
50 #include "iomux-mx3.h"
51 #include "pcm037.h"
52 #include "ulpi.h"
53 
54 static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
55 
pcm037_variant_setup(char * str)56 static int __init pcm037_variant_setup(char *str)
57 {
58 	if (!strcmp("eet", str))
59 		pcm037_instance = PCM037_EET;
60 	else if (strcmp("pcm970", str))
61 		pr_warn("Unknown pcm037 baseboard variant %s\n", str);
62 
63 	return 1;
64 }
65 
66 /* Supported values: "pcm970" (default) and "eet" */
67 __setup("pcm037_variant=", pcm037_variant_setup);
68 
pcm037_variant(void)69 enum pcm037_board_variant pcm037_variant(void)
70 {
71 	return pcm037_instance;
72 }
73 
74 /* UART1 with RTS/CTS handshake signals */
75 static unsigned int pcm037_uart1_handshake_pins[] = {
76 	MX31_PIN_CTS1__CTS1,
77 	MX31_PIN_RTS1__RTS1,
78 	MX31_PIN_TXD1__TXD1,
79 	MX31_PIN_RXD1__RXD1,
80 };
81 
82 /* UART1 without RTS/CTS handshake signals */
83 static unsigned int pcm037_uart1_pins[] = {
84 	MX31_PIN_TXD1__TXD1,
85 	MX31_PIN_RXD1__RXD1,
86 };
87 
88 static unsigned int pcm037_pins[] = {
89 	/* I2C */
90 	MX31_PIN_CSPI2_MOSI__SCL,
91 	MX31_PIN_CSPI2_MISO__SDA,
92 	MX31_PIN_CSPI2_SS2__I2C3_SDA,
93 	MX31_PIN_CSPI2_SCLK__I2C3_SCL,
94 	/* SDHC1 */
95 	MX31_PIN_SD1_DATA3__SD1_DATA3,
96 	MX31_PIN_SD1_DATA2__SD1_DATA2,
97 	MX31_PIN_SD1_DATA1__SD1_DATA1,
98 	MX31_PIN_SD1_DATA0__SD1_DATA0,
99 	MX31_PIN_SD1_CLK__SD1_CLK,
100 	MX31_PIN_SD1_CMD__SD1_CMD,
101 	IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
102 	IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
103 	/* SPI1 */
104 	MX31_PIN_CSPI1_MOSI__MOSI,
105 	MX31_PIN_CSPI1_MISO__MISO,
106 	MX31_PIN_CSPI1_SCLK__SCLK,
107 	MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
108 	MX31_PIN_CSPI1_SS0__SS0,
109 	MX31_PIN_CSPI1_SS1__SS1,
110 	MX31_PIN_CSPI1_SS2__SS2,
111 	/* UART2 */
112 	MX31_PIN_TXD2__TXD2,
113 	MX31_PIN_RXD2__RXD2,
114 	MX31_PIN_CTS2__CTS2,
115 	MX31_PIN_RTS2__RTS2,
116 	/* UART3 */
117 	MX31_PIN_CSPI3_MOSI__RXD3,
118 	MX31_PIN_CSPI3_MISO__TXD3,
119 	MX31_PIN_CSPI3_SCLK__RTS3,
120 	MX31_PIN_CSPI3_SPI_RDY__CTS3,
121 	/* LAN9217 irq pin */
122 	IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
123 	/* Onewire */
124 	MX31_PIN_BATT_LINE__OWIRE,
125 	/* Framebuffer */
126 	MX31_PIN_LD0__LD0,
127 	MX31_PIN_LD1__LD1,
128 	MX31_PIN_LD2__LD2,
129 	MX31_PIN_LD3__LD3,
130 	MX31_PIN_LD4__LD4,
131 	MX31_PIN_LD5__LD5,
132 	MX31_PIN_LD6__LD6,
133 	MX31_PIN_LD7__LD7,
134 	MX31_PIN_LD8__LD8,
135 	MX31_PIN_LD9__LD9,
136 	MX31_PIN_LD10__LD10,
137 	MX31_PIN_LD11__LD11,
138 	MX31_PIN_LD12__LD12,
139 	MX31_PIN_LD13__LD13,
140 	MX31_PIN_LD14__LD14,
141 	MX31_PIN_LD15__LD15,
142 	MX31_PIN_LD16__LD16,
143 	MX31_PIN_LD17__LD17,
144 	MX31_PIN_VSYNC3__VSYNC3,
145 	MX31_PIN_HSYNC__HSYNC,
146 	MX31_PIN_FPSHIFT__FPSHIFT,
147 	MX31_PIN_DRDY0__DRDY0,
148 	MX31_PIN_D3_REV__D3_REV,
149 	MX31_PIN_CONTRAST__CONTRAST,
150 	MX31_PIN_D3_SPL__D3_SPL,
151 	MX31_PIN_D3_CLS__D3_CLS,
152 	MX31_PIN_LCS0__GPI03_23,
153 	/* CSI */
154 	IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
155 	MX31_PIN_CSI_D6__CSI_D6,
156 	MX31_PIN_CSI_D7__CSI_D7,
157 	MX31_PIN_CSI_D8__CSI_D8,
158 	MX31_PIN_CSI_D9__CSI_D9,
159 	MX31_PIN_CSI_D10__CSI_D10,
160 	MX31_PIN_CSI_D11__CSI_D11,
161 	MX31_PIN_CSI_D12__CSI_D12,
162 	MX31_PIN_CSI_D13__CSI_D13,
163 	MX31_PIN_CSI_D14__CSI_D14,
164 	MX31_PIN_CSI_D15__CSI_D15,
165 	MX31_PIN_CSI_HSYNC__CSI_HSYNC,
166 	MX31_PIN_CSI_MCLK__CSI_MCLK,
167 	MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
168 	MX31_PIN_CSI_VSYNC__CSI_VSYNC,
169 	/* GPIO */
170 	IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
171 	/* OTG */
172 	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
173 	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
174 	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
175 	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
176 	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
177 	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
178 	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
179 	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
180 	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
181 	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
182 	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
183 	MX31_PIN_USBOTG_STP__USBOTG_STP,
184 	/* USB host 2 */
185 	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
186 	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
187 	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
188 	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
189 	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
190 	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
191 	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
192 	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
193 	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
194 	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
195 	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
196 	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
197 };
198 
199 static struct physmap_flash_data pcm037_flash_data = {
200 	.width  = 2,
201 };
202 
203 static struct resource pcm037_flash_resource = {
204 	.start	= 0xa0000000,
205 	.end	= 0xa1ffffff,
206 	.flags	= IORESOURCE_MEM,
207 };
208 
209 static struct platform_device pcm037_flash = {
210 	.name	= "physmap-flash",
211 	.id	= 0,
212 	.dev	= {
213 		.platform_data  = &pcm037_flash_data,
214 	},
215 	.resource = &pcm037_flash_resource,
216 	.num_resources = 1,
217 };
218 
219 static const struct imxuart_platform_data uart_pdata __initconst = {
220 	.flags = IMXUART_HAVE_RTSCTS,
221 };
222 
223 static struct resource smsc911x_resources[] = {
224 	{
225 		.start		= MX31_CS1_BASE_ADDR + 0x300,
226 		.end		= MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
227 		.flags		= IORESOURCE_MEM,
228 	}, {
229 		/* irq number is run-time assigned */
230 		.flags		= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
231 	},
232 };
233 
234 static struct smsc911x_platform_config smsc911x_info = {
235 	.flags		= SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
236 			  SMSC911X_SAVE_MAC_ADDRESS,
237 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
238 	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
239 	.phy_interface	= PHY_INTERFACE_MODE_MII,
240 };
241 
242 static struct platform_device pcm037_eth = {
243 	.name		= "smsc911x",
244 	.id		= -1,
245 	.num_resources	= ARRAY_SIZE(smsc911x_resources),
246 	.resource	= smsc911x_resources,
247 	.dev		= {
248 		.platform_data = &smsc911x_info,
249 	},
250 };
251 
252 static struct platdata_mtd_ram pcm038_sram_data = {
253 	.bankwidth = 2,
254 };
255 
256 static struct resource pcm038_sram_resource = {
257 	.start = MX31_CS4_BASE_ADDR,
258 	.end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
259 	.flags = IORESOURCE_MEM,
260 };
261 
262 static struct platform_device pcm037_sram_device = {
263 	.name = "mtd-ram",
264 	.id = 0,
265 	.dev = {
266 		.platform_data = &pcm038_sram_data,
267 	},
268 	.num_resources = 1,
269 	.resource = &pcm038_sram_resource,
270 };
271 
272 static const struct mxc_nand_platform_data
273 pcm037_nand_board_info __initconst = {
274 	.width = 1,
275 	.hw_ecc = 1,
276 };
277 
278 static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
279 	.bitrate = 100000,
280 };
281 
282 static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
283 	.bitrate = 20000,
284 };
285 
286 static struct at24_platform_data board_eeprom = {
287 	.byte_len = 4096,
288 	.page_size = 32,
289 	.flags = AT24_FLAG_ADDR16,
290 };
291 
pcm037_camera_power(struct device * dev,int on)292 static int pcm037_camera_power(struct device *dev, int on)
293 {
294 	/* disable or enable the camera in X7 or X8 PCM970 connector */
295 	gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
296 	return 0;
297 }
298 
299 static struct i2c_board_info pcm037_i2c_camera[] = {
300 	{
301 		I2C_BOARD_INFO("mt9t031", 0x5d),
302 	}, {
303 		I2C_BOARD_INFO("mt9v022", 0x48),
304 	},
305 };
306 
307 static struct soc_camera_link iclink_mt9v022 = {
308 	.bus_id		= 0,		/* Must match with the camera ID */
309 	.board_info	= &pcm037_i2c_camera[1],
310 	.i2c_adapter_id	= 2,
311 };
312 
313 static struct soc_camera_link iclink_mt9t031 = {
314 	.bus_id		= 0,		/* Must match with the camera ID */
315 	.power		= pcm037_camera_power,
316 	.board_info	= &pcm037_i2c_camera[0],
317 	.i2c_adapter_id	= 2,
318 };
319 
320 static struct i2c_board_info pcm037_i2c_devices[] = {
321 	{
322 		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
323 		.platform_data = &board_eeprom,
324 	}, {
325 		I2C_BOARD_INFO("pcf8563", 0x51),
326 	}
327 };
328 
329 static struct platform_device pcm037_mt9t031 = {
330 	.name	= "soc-camera-pdrv",
331 	.id	= 0,
332 	.dev	= {
333 		.platform_data = &iclink_mt9t031,
334 	},
335 };
336 
337 static struct platform_device pcm037_mt9v022 = {
338 	.name	= "soc-camera-pdrv",
339 	.id	= 1,
340 	.dev	= {
341 		.platform_data = &iclink_mt9v022,
342 	},
343 };
344 
345 /* Not connected by default */
346 #ifdef PCM970_SDHC_RW_SWITCH
pcm970_sdhc1_get_ro(struct device * dev)347 static int pcm970_sdhc1_get_ro(struct device *dev)
348 {
349 	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
350 }
351 #endif
352 
353 #define SDHC1_GPIO_WP	IOMUX_TO_GPIO(MX31_PIN_SFS6)
354 #define SDHC1_GPIO_DET	IOMUX_TO_GPIO(MX31_PIN_SCK6)
355 
pcm970_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)356 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
357 		void *data)
358 {
359 	int ret;
360 
361 	ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
362 	if (ret)
363 		return ret;
364 
365 	gpio_direction_input(SDHC1_GPIO_DET);
366 
367 #ifdef PCM970_SDHC_RW_SWITCH
368 	ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
369 	if (ret)
370 		goto err_gpio_free;
371 	gpio_direction_input(SDHC1_GPIO_WP);
372 #endif
373 
374 	ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6)), detect_irq,
375 			IRQF_TRIGGER_FALLING, "sdhc-detect", data);
376 	if (ret)
377 		goto err_gpio_free_2;
378 
379 	return 0;
380 
381 err_gpio_free_2:
382 #ifdef PCM970_SDHC_RW_SWITCH
383 	gpio_free(SDHC1_GPIO_WP);
384 err_gpio_free:
385 #endif
386 	gpio_free(SDHC1_GPIO_DET);
387 
388 	return ret;
389 }
390 
pcm970_sdhc1_exit(struct device * dev,void * data)391 static void pcm970_sdhc1_exit(struct device *dev, void *data)
392 {
393 	free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6)), data);
394 	gpio_free(SDHC1_GPIO_DET);
395 	gpio_free(SDHC1_GPIO_WP);
396 }
397 
398 static const struct imxmmc_platform_data sdhc_pdata __initconst = {
399 #ifdef PCM970_SDHC_RW_SWITCH
400 	.get_ro = pcm970_sdhc1_get_ro,
401 #endif
402 	.init = pcm970_sdhc1_init,
403 	.exit = pcm970_sdhc1_exit,
404 };
405 
406 struct mx3_camera_pdata camera_pdata __initdata = {
407 	.flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
408 	.mclk_10khz	= 2000,
409 };
410 
411 static phys_addr_t mx3_camera_base __initdata;
412 #define MX3_CAMERA_BUF_SIZE SZ_4M
413 
pcm037_init_camera(void)414 static int __init pcm037_init_camera(void)
415 {
416 	int dma, ret = -ENOMEM;
417 	struct platform_device *pdev = imx31_alloc_mx3_camera(&camera_pdata);
418 
419 	if (IS_ERR(pdev))
420 		return PTR_ERR(pdev);
421 
422 	dma = dma_declare_coherent_memory(&pdev->dev,
423 					mx3_camera_base, mx3_camera_base,
424 					MX3_CAMERA_BUF_SIZE,
425 					DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
426 	if (!(dma & DMA_MEMORY_MAP))
427 		goto err;
428 
429 	ret = platform_device_add(pdev);
430 	if (ret)
431 err:
432 		platform_device_put(pdev);
433 
434 	return ret;
435 }
436 
437 static struct platform_device *devices[] __initdata = {
438 	&pcm037_flash,
439 	&pcm037_sram_device,
440 	&pcm037_mt9t031,
441 	&pcm037_mt9v022,
442 };
443 
444 static const struct fb_videomode fb_modedb[] = {
445 	{
446 		/* 240x320 @ 60 Hz Sharp */
447 		.name		= "Sharp-LQ035Q7DH06-QVGA",
448 		.refresh	= 60,
449 		.xres		= 240,
450 		.yres		= 320,
451 		.pixclock	= 185925,
452 		.left_margin	= 9,
453 		.right_margin	= 16,
454 		.upper_margin	= 7,
455 		.lower_margin	= 9,
456 		.hsync_len	= 1,
457 		.vsync_len	= 1,
458 		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
459 				  FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
460 		.vmode		= FB_VMODE_NONINTERLACED,
461 		.flag		= 0,
462 	}, {
463 		/* 240x320 @ 60 Hz */
464 		.name		= "TX090",
465 		.refresh	= 60,
466 		.xres		= 240,
467 		.yres		= 320,
468 		.pixclock	= 38255,
469 		.left_margin	= 144,
470 		.right_margin	= 0,
471 		.upper_margin	= 7,
472 		.lower_margin	= 40,
473 		.hsync_len	= 96,
474 		.vsync_len	= 1,
475 		.sync		= FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
476 		.vmode		= FB_VMODE_NONINTERLACED,
477 		.flag		= 0,
478 	}, {
479 		/* 240x320 @ 60 Hz */
480 		.name		= "CMEL-OLED",
481 		.refresh	= 60,
482 		.xres		= 240,
483 		.yres		= 320,
484 		.pixclock	= 185925,
485 		.left_margin	= 9,
486 		.right_margin	= 16,
487 		.upper_margin	= 7,
488 		.lower_margin	= 9,
489 		.hsync_len	= 1,
490 		.vsync_len	= 1,
491 		.sync		= FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
492 		.vmode		= FB_VMODE_NONINTERLACED,
493 		.flag		= 0,
494 	},
495 };
496 
497 static struct mx3fb_platform_data mx3fb_pdata = {
498 	.name		= "Sharp-LQ035Q7DH06-QVGA",
499 	.mode		= fb_modedb,
500 	.num_modes	= ARRAY_SIZE(fb_modedb),
501 };
502 
503 static struct resource pcm970_sja1000_resources[] = {
504 	{
505 		.start   = MX31_CS5_BASE_ADDR,
506 		.end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
507 		.flags   = IORESOURCE_MEM,
508 	}, {
509 		/* irq number is run-time assigned */
510 		.flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
511 	},
512 };
513 
514 struct sja1000_platform_data pcm970_sja1000_platform_data = {
515 	.osc_freq	= 16000000,
516 	.ocr		= OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
517 	.cdr		= CDR_CBP,
518 };
519 
520 static struct platform_device pcm970_sja1000 = {
521 	.name = "sja1000_platform",
522 	.dev = {
523 		.platform_data = &pcm970_sja1000_platform_data,
524 	},
525 	.resource = pcm970_sja1000_resources,
526 	.num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
527 };
528 
pcm037_otg_init(struct platform_device * pdev)529 static int pcm037_otg_init(struct platform_device *pdev)
530 {
531 	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
532 }
533 
534 static struct mxc_usbh_platform_data otg_pdata __initdata = {
535 	.init	= pcm037_otg_init,
536 	.portsc	= MXC_EHCI_MODE_ULPI,
537 };
538 
pcm037_usbh2_init(struct platform_device * pdev)539 static int pcm037_usbh2_init(struct platform_device *pdev)
540 {
541 	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
542 }
543 
544 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
545 	.init	= pcm037_usbh2_init,
546 	.portsc	= MXC_EHCI_MODE_ULPI,
547 };
548 
549 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
550 	.operating_mode = FSL_USB2_DR_DEVICE,
551 	.phy_mode       = FSL_USB2_PHY_ULPI,
552 };
553 
554 static bool otg_mode_host __initdata;
555 
pcm037_otg_mode(char * options)556 static int __init pcm037_otg_mode(char *options)
557 {
558 	if (!strcmp(options, "host"))
559 		otg_mode_host = true;
560 	else if (!strcmp(options, "device"))
561 		otg_mode_host = false;
562 	else
563 		pr_info("otg_mode neither \"host\" nor \"device\". "
564 			"Defaulting to device\n");
565 	return 1;
566 }
567 __setup("otg_mode=", pcm037_otg_mode);
568 
569 static struct regulator_consumer_supply dummy_supplies[] = {
570 	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
571 	REGULATOR_SUPPLY("vddvario", "smsc911x"),
572 };
573 
574 /*
575  * Board specific initialization.
576  */
pcm037_init(void)577 static void __init pcm037_init(void)
578 {
579 	int ret;
580 
581 	imx31_soc_init();
582 
583 	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
584 
585 	mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
586 
587 	mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
588 			"pcm037");
589 
590 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
591 		| PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
592 
593 	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
594 	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
595 	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
596 	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
597 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
598 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
599 	mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);	/* USBH2_DATA2 */
600 	mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);	/* USBH2_DATA3 */
601 	mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);	/* USBH2_DATA4 */
602 	mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);	/* USBH2_DATA5 */
603 	mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);	/* USBH2_DATA6 */
604 	mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);	/* USBH2_DATA7 */
605 
606 	if (pcm037_variant() == PCM037_EET)
607 		mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
608 			ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
609 	else
610 		mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
611 			ARRAY_SIZE(pcm037_uart1_handshake_pins),
612 			"pcm037_uart1");
613 
614 	platform_add_devices(devices, ARRAY_SIZE(devices));
615 
616 	imx31_add_imx2_wdt();
617 	imx31_add_imx_uart0(&uart_pdata);
618 	/* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
619 	imx31_add_imx_uart1(&uart_pdata);
620 	imx31_add_imx_uart2(&uart_pdata);
621 
622 	imx31_add_mxc_w1();
623 
624 	/* LAN9217 IRQ pin */
625 	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
626 	if (ret)
627 		pr_warn("could not get LAN irq gpio\n");
628 	else {
629 		gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
630 		smsc911x_resources[1].start =
631 			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
632 		smsc911x_resources[1].end =
633 			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
634 		platform_device_register(&pcm037_eth);
635 	}
636 
637 
638 	/* I2C adapters and devices */
639 	i2c_register_board_info(1, pcm037_i2c_devices,
640 			ARRAY_SIZE(pcm037_i2c_devices));
641 
642 	imx31_add_imx_i2c1(&pcm037_i2c1_data);
643 	imx31_add_imx_i2c2(&pcm037_i2c2_data);
644 
645 	imx31_add_mxc_nand(&pcm037_nand_board_info);
646 	imx31_add_mxc_mmc(0, &sdhc_pdata);
647 	imx31_add_ipu_core();
648 	imx31_add_mx3_sdc_fb(&mx3fb_pdata);
649 
650 	/* CSI */
651 	/* Camera power: default - off */
652 	ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
653 	if (!ret)
654 		gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
655 	else
656 		iclink_mt9t031.power = NULL;
657 
658 	pcm037_init_camera();
659 
660 	pcm970_sja1000_resources[1].start =
661 			gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
662 	pcm970_sja1000_resources[1].end =
663 			gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
664 	platform_device_register(&pcm970_sja1000);
665 
666 	if (otg_mode_host) {
667 		otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
668 				ULPI_OTG_DRVVBUS_EXT);
669 		if (otg_pdata.otg)
670 			imx31_add_mxc_ehci_otg(&otg_pdata);
671 	}
672 
673 	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
674 			ULPI_OTG_DRVVBUS_EXT);
675 	if (usbh2_pdata.otg)
676 		imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
677 
678 	if (!otg_mode_host)
679 		imx31_add_fsl_usb2_udc(&otg_device_pdata);
680 
681 }
682 
pcm037_timer_init(void)683 static void __init pcm037_timer_init(void)
684 {
685 	mx31_clocks_init(26000000);
686 }
687 
pcm037_reserve(void)688 static void __init pcm037_reserve(void)
689 {
690 	/* reserve 4 MiB for mx3-camera */
691 	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
692 			MX3_CAMERA_BUF_SIZE);
693 }
694 
pcm037_init_late(void)695 static void __init pcm037_init_late(void)
696 {
697 	pcm037_eet_init_devices();
698 }
699 
700 MACHINE_START(PCM037, "Phytec Phycore pcm037")
701 	/* Maintainer: Pengutronix */
702 	.atag_offset = 0x100,
703 	.reserve = pcm037_reserve,
704 	.map_io = mx31_map_io,
705 	.init_early = imx31_init_early,
706 	.init_irq = mx31_init_irq,
707 	.init_time	= pcm037_timer_init,
708 	.init_machine = pcm037_init,
709 	.init_late = pcm037_init_late,
710 	.restart	= mxc_restart,
711 MACHINE_END
712