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1 /*
2  * mach-imx27_visstrim_m10.c
3  *
4  * Copyright 2010  Javier Martin <javier.martin@vista-silicon.com>
5  *
6  * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21  * MA 02110-1301, USA.
22  */
23 
24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
25 
26 #include <linux/platform_device.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/i2c.h>
29 #include <linux/platform_data/pca953x.h>
30 #include <linux/input.h>
31 #include <linux/gpio.h>
32 #include <linux/delay.h>
33 #include <linux/dma-mapping.h>
34 #include <linux/leds.h>
35 #include <linux/platform_data/asoc-mx27vis.h>
36 #include <media/soc_camera.h>
37 #include <sound/tlv320aic32x4.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/time.h>
41 #include <asm/system_info.h>
42 #include <asm/memblock.h>
43 
44 #include "common.h"
45 #include "devices-imx27.h"
46 #include "ehci.h"
47 #include "hardware.h"
48 #include "iomux-mx27.h"
49 
50 #define TVP5150_RSTN (GPIO_PORTC + 18)
51 #define TVP5150_PWDN (GPIO_PORTC + 19)
52 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
53 #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
54 
55 #define VERSION_MASK		0x7
56 #define MOTHERBOARD_SHIFT	4
57 #define EXPBOARD_SHIFT		0
58 
59 #define MOTHERBOARD_BIT2	(GPIO_PORTD + 31)
60 #define MOTHERBOARD_BIT1	(GPIO_PORTD + 30)
61 #define MOTHERBOARD_BIT0	(GPIO_PORTD + 29)
62 
63 #define EXPBOARD_BIT2		(GPIO_PORTD + 25)
64 #define EXPBOARD_BIT1		(GPIO_PORTD + 27)
65 #define EXPBOARD_BIT0		(GPIO_PORTD + 28)
66 
67 #define AMP_GAIN_0		(GPIO_PORTF + 9)
68 #define AMP_GAIN_1		(GPIO_PORTF + 8)
69 #define AMP_MUTE_SDL		(GPIO_PORTE + 5)
70 #define AMP_MUTE_SDR		(GPIO_PORTF + 7)
71 
72 static const int visstrim_m10_pins[] __initconst = {
73 	/* UART1 (console) */
74 	PE12_PF_UART1_TXD,
75 	PE13_PF_UART1_RXD,
76 	PE14_PF_UART1_CTS,
77 	PE15_PF_UART1_RTS,
78 	/* FEC */
79 	PD0_AIN_FEC_TXD0,
80 	PD1_AIN_FEC_TXD1,
81 	PD2_AIN_FEC_TXD2,
82 	PD3_AIN_FEC_TXD3,
83 	PD4_AOUT_FEC_RX_ER,
84 	PD5_AOUT_FEC_RXD1,
85 	PD6_AOUT_FEC_RXD2,
86 	PD7_AOUT_FEC_RXD3,
87 	PD8_AF_FEC_MDIO,
88 	PD9_AIN_FEC_MDC,
89 	PD10_AOUT_FEC_CRS,
90 	PD11_AOUT_FEC_TX_CLK,
91 	PD12_AOUT_FEC_RXD0,
92 	PD13_AOUT_FEC_RX_DV,
93 	PD14_AOUT_FEC_RX_CLK,
94 	PD15_AOUT_FEC_COL,
95 	PD16_AIN_FEC_TX_ER,
96 	PF23_AIN_FEC_TX_EN,
97 	/* SSI1 */
98 	PC20_PF_SSI1_FS,
99 	PC21_PF_SSI1_RXD,
100 	PC22_PF_SSI1_TXD,
101 	PC23_PF_SSI1_CLK,
102 	/* SDHC1 */
103 	PE18_PF_SD1_D0,
104 	PE19_PF_SD1_D1,
105 	PE20_PF_SD1_D2,
106 	PE21_PF_SD1_D3,
107 	PE22_PF_SD1_CMD,
108 	PE23_PF_SD1_CLK,
109 	/* Both I2Cs */
110 	PD17_PF_I2C_DATA,
111 	PD18_PF_I2C_CLK,
112 	PC5_PF_I2C2_SDA,
113 	PC6_PF_I2C2_SCL,
114 	/* USB OTG */
115 	OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
116 	PC9_PF_USBOTG_DATA0,
117 	PC11_PF_USBOTG_DATA1,
118 	PC10_PF_USBOTG_DATA2,
119 	PC13_PF_USBOTG_DATA3,
120 	PC12_PF_USBOTG_DATA4,
121 	PC7_PF_USBOTG_DATA5,
122 	PC8_PF_USBOTG_DATA6,
123 	PE25_PF_USBOTG_DATA7,
124 	PE24_PF_USBOTG_CLK,
125 	PE2_PF_USBOTG_DIR,
126 	PE0_PF_USBOTG_NXT,
127 	PE1_PF_USBOTG_STP,
128 	PB23_PF_USB_PWR,
129 	PB24_PF_USB_OC,
130 	/* CSI */
131 	TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
132 	TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
133 	PB10_PF_CSI_D0,
134 	PB11_PF_CSI_D1,
135 	PB12_PF_CSI_D2,
136 	PB13_PF_CSI_D3,
137 	PB14_PF_CSI_D4,
138 	PB15_PF_CSI_MCLK,
139 	PB16_PF_CSI_PIXCLK,
140 	PB17_PF_CSI_D5,
141 	PB18_PF_CSI_D6,
142 	PB19_PF_CSI_D7,
143 	PB20_PF_CSI_VSYNC,
144 	PB21_PF_CSI_HSYNC,
145 	/* mother board version */
146 	MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
147 	MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
148 	MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
149 	/* expansion board version */
150 	EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
151 	EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
152 	EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
153 	/* Audio AMP control */
154 	AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
155 	AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
156 	AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
157 	AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
158 };
159 
160 static struct gpio visstrim_m10_version_gpios[] = {
161 	{ EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
162 	{ EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
163 	{ EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
164 	{ MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
165 	{ MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
166 	{ MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
167 };
168 
169 static const struct gpio visstrim_m10_gpios[] __initconst = {
170 	{
171 		.gpio = TVP5150_RSTN,
172 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
173 		.label = "tvp5150_rstn",
174 	},
175 	{
176 		.gpio = TVP5150_PWDN,
177 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
178 		.label = "tvp5150_pwdn",
179 	},
180 	{
181 		.gpio = OTG_PHY_CS_GPIO,
182 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
183 		.label = "usbotg_cs",
184 	},
185 	{
186 		.gpio = AMP_GAIN_0,
187 		.flags = GPIOF_DIR_OUT,
188 		.label = "amp-gain-0",
189 	},
190 	{
191 		.gpio = AMP_GAIN_1,
192 		.flags = GPIOF_DIR_OUT,
193 		.label = "amp-gain-1",
194 	},
195 	{
196 		.gpio = AMP_MUTE_SDL,
197 		.flags = GPIOF_DIR_OUT,
198 		.label = "amp-mute-sdl",
199 	},
200 	{
201 		.gpio = AMP_MUTE_SDR,
202 		.flags = GPIOF_DIR_OUT,
203 		.label = "amp-mute-sdr",
204 	},
205 };
206 
207 /* Camera */
visstrim_camera_power(struct device * dev,int on)208 static int visstrim_camera_power(struct device *dev, int on)
209 {
210 	gpio_set_value(TVP5150_PWDN, on);
211 
212 	return 0;
213 };
214 
visstrim_camera_reset(struct device * dev)215 static int visstrim_camera_reset(struct device *dev)
216 {
217 	gpio_set_value(TVP5150_RSTN, 0);
218 	ndelay(500);
219 	gpio_set_value(TVP5150_RSTN, 1);
220 
221 	return 0;
222 };
223 
224 static struct i2c_board_info visstrim_i2c_camera =  {
225 	I2C_BOARD_INFO("tvp5150", 0x5d),
226 };
227 
228 static struct soc_camera_link iclink_tvp5150 = {
229 	.bus_id         = 0,
230 	.board_info     = &visstrim_i2c_camera,
231 	.i2c_adapter_id = 0,
232 	.power = visstrim_camera_power,
233 	.reset = visstrim_camera_reset,
234 };
235 
236 static struct mx2_camera_platform_data visstrim_camera = {
237 	.flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
238 		 MX2_CAMERA_PCLK_SAMPLE_RISING,
239 	.clk = 100000,
240 };
241 
242 static phys_addr_t mx2_camera_base __initdata;
243 #define MX2_CAMERA_BUF_SIZE SZ_8M
244 
visstrim_analog_camera_init(void)245 static void __init visstrim_analog_camera_init(void)
246 {
247 	struct platform_device *pdev;
248 	int dma;
249 
250 	gpio_set_value(TVP5150_PWDN, 1);
251 	ndelay(1);
252 	gpio_set_value(TVP5150_RSTN, 0);
253 	ndelay(500);
254 	gpio_set_value(TVP5150_RSTN, 1);
255 	ndelay(200000);
256 
257 	pdev = imx27_add_mx2_camera(&visstrim_camera);
258 	if (IS_ERR(pdev))
259 		return;
260 
261 	dma = dma_declare_coherent_memory(&pdev->dev,
262 				mx2_camera_base, mx2_camera_base,
263 				MX2_CAMERA_BUF_SIZE,
264 				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
265 	if (!(dma & DMA_MEMORY_MAP))
266 		return;
267 }
268 
visstrim_reserve(void)269 static void __init visstrim_reserve(void)
270 {
271 	/* reserve 4 MiB for mx2-camera */
272 	mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
273 			MX2_CAMERA_BUF_SIZE);
274 }
275 
276 /* GPIOs used as events for applications */
277 static struct gpio_keys_button visstrim_gpio_keys[] = {
278 	{
279 		.type	= EV_KEY,
280 		.code	= KEY_RESTART,
281 		.gpio	= (GPIO_PORTC + 15),
282 		.desc	= "Default config",
283 		.active_low = 0,
284 		.wakeup = 1,
285 	},
286 	{
287 		.type	= EV_KEY,
288 		.code	= KEY_RECORD,
289 		.gpio	= (GPIO_PORTF + 14),
290 		.desc	= "Record",
291 		.active_low = 0,
292 		.wakeup = 1,
293 	},
294 	{
295 		.type   = EV_KEY,
296 		.code   = KEY_STOP,
297 		.gpio   = (GPIO_PORTF + 13),
298 		.desc   = "Stop",
299 		.active_low = 0,
300 		.wakeup = 1,
301 	}
302 };
303 
304 static const struct gpio_keys_platform_data
305 		visstrim_gpio_keys_platform_data __initconst = {
306 	.buttons	= visstrim_gpio_keys,
307 	.nbuttons	= ARRAY_SIZE(visstrim_gpio_keys),
308 };
309 
310 /* led */
311 static const struct gpio_led visstrim_m10_leds[] __initconst = {
312 	{
313 		.name = "visstrim:ld0",
314 		.default_trigger = "nand-disk",
315 		.gpio = (GPIO_PORTC + 29),
316 	},
317 	{
318 		.name = "visstrim:ld1",
319 		.default_trigger = "nand-disk",
320 		.gpio = (GPIO_PORTC + 24),
321 	},
322 	{
323 		.name = "visstrim:ld2",
324 		.default_trigger = "nand-disk",
325 		.gpio = (GPIO_PORTC + 28),
326 	},
327 	{
328 		.name = "visstrim:ld3",
329 		.default_trigger = "nand-disk",
330 		.gpio = (GPIO_PORTC + 25),
331 	},
332 };
333 
334 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
335 	.leds = visstrim_m10_leds,
336 	.num_leds = ARRAY_SIZE(visstrim_m10_leds),
337 };
338 
339 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
visstrim_m10_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)340 static int visstrim_m10_sdhc1_init(struct device *dev,
341 		irq_handler_t detect_irq, void *data)
342 {
343 	int ret;
344 
345 	ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
346 			  IRQF_TRIGGER_FALLING, "mmc-detect", data);
347 	return ret;
348 }
349 
visstrim_m10_sdhc1_exit(struct device * dev,void * data)350 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
351 {
352 	free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
353 }
354 
355 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
356 	.init = visstrim_m10_sdhc1_init,
357 	.exit = visstrim_m10_sdhc1_exit,
358 };
359 
360 /* Visstrim_SM10 NOR flash */
361 static struct physmap_flash_data visstrim_m10_flash_data = {
362 	.width = 2,
363 };
364 
365 static struct resource visstrim_m10_flash_resource = {
366 	.start = 0xc0000000,
367 	.end = 0xc0000000 + SZ_64M - 1,
368 	.flags = IORESOURCE_MEM,
369 };
370 
371 static struct platform_device visstrim_m10_nor_mtd_device = {
372 	.name = "physmap-flash",
373 	.id = 0,
374 	.dev = {
375 		.platform_data = &visstrim_m10_flash_data,
376 	},
377 	.num_resources = 1,
378 	.resource = &visstrim_m10_flash_resource,
379 };
380 
381 static struct platform_device *platform_devices[] __initdata = {
382 	&visstrim_m10_nor_mtd_device,
383 };
384 
385 /* Visstrim_M10 uses UART0 as console */
386 static const struct imxuart_platform_data uart_pdata __initconst = {
387 	.flags = IMXUART_HAVE_RTSCTS,
388 };
389 
390 /* I2C */
391 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
392 	.bitrate = 100000,
393 };
394 
395 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
396 	.gpio_base = 240, /* After MX27 internal GPIOs */
397 	.invert = 0,
398 };
399 
400 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
401 	.power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
402 		     AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
403 		     AIC32X4_PWR_AIC32X4_LDO_ENABLE |
404 		     AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
405 		     AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
406 	.micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
407 			 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
408 	.swapdacs = false,
409 };
410 
411 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
412 	{
413 		I2C_BOARD_INFO("pca9555", 0x20),
414 		.platform_data = &visstrim_m10_pca9555_pdata,
415 	},
416 	{
417 		I2C_BOARD_INFO("tlv320aic32x4", 0x18),
418 		.platform_data = &visstrim_m10_aic32x4_pdata,
419 	},
420 	{
421 		 I2C_BOARD_INFO("m41t00", 0x68),
422 	}
423 };
424 
425 /* USB OTG */
otg_phy_init(struct platform_device * pdev)426 static int otg_phy_init(struct platform_device *pdev)
427 {
428 	return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
429 }
430 
431 static const struct mxc_usbh_platform_data
432 visstrim_m10_usbotg_pdata __initconst = {
433 	.init = otg_phy_init,
434 	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
435 };
436 
437 /* SSI */
438 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
439 	.flags			= IMX_SSI_DMA | IMX_SSI_SYN,
440 };
441 
442 /* coda */
443 
visstrim_coda_init(void)444 static void __init visstrim_coda_init(void)
445 {
446 	struct platform_device *pdev;
447 	int dma;
448 
449 	pdev = imx27_add_coda();
450 	dma = dma_declare_coherent_memory(&pdev->dev,
451 					  mx2_camera_base + MX2_CAMERA_BUF_SIZE,
452 					  mx2_camera_base + MX2_CAMERA_BUF_SIZE,
453 					  MX2_CAMERA_BUF_SIZE,
454 					  DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
455 	if (!(dma & DMA_MEMORY_MAP))
456 		return;
457 }
458 
459 /* DMA deinterlace */
460 static struct platform_device visstrim_deinterlace = {
461 	.name = "m2m-deinterlace",
462 	.id = 0,
463 };
464 
visstrim_deinterlace_init(void)465 static void __init visstrim_deinterlace_init(void)
466 {
467 	int ret = -ENOMEM;
468 	struct platform_device *pdev = &visstrim_deinterlace;
469 	int dma;
470 
471 	ret = platform_device_register(pdev);
472 
473 	dma = dma_declare_coherent_memory(&pdev->dev,
474 					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
475 					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
476 					  MX2_CAMERA_BUF_SIZE,
477 					  DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
478 	if (!(dma & DMA_MEMORY_MAP))
479 		return;
480 }
481 
482 /* Emma-PrP for format conversion */
visstrim_emmaprp_init(void)483 static void __init visstrim_emmaprp_init(void)
484 {
485 	struct platform_device *pdev;
486 	int dma;
487 
488 	pdev = imx27_add_mx2_emmaprp();
489 	if (IS_ERR(pdev))
490 		return;
491 
492 	/*
493 	 * Use the same memory area as the analog camera since both
494 	 * devices are, by nature, exclusive.
495 	 */
496 	dma = dma_declare_coherent_memory(&pdev->dev,
497 				mx2_camera_base, mx2_camera_base,
498 				MX2_CAMERA_BUF_SIZE,
499 				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
500 	if (!(dma & DMA_MEMORY_MAP))
501 		pr_err("Failed to declare memory for emmaprp\n");
502 }
503 
504 /* Audio */
505 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
506 	.amp_gain0_gpio = AMP_GAIN_0,
507 	.amp_gain1_gpio = AMP_GAIN_1,
508 	.amp_mutel_gpio = AMP_MUTE_SDL,
509 	.amp_muter_gpio = AMP_MUTE_SDR,
510 };
511 
visstrim_m10_revision(void)512 static void __init visstrim_m10_revision(void)
513 {
514 	int exp_version = 0;
515 	int mo_version = 0;
516 	int ret;
517 
518 	ret = gpio_request_array(visstrim_m10_version_gpios,
519 				 ARRAY_SIZE(visstrim_m10_version_gpios));
520 	if (ret) {
521 		pr_err("Failed to request version gpios");
522 		return;
523 	}
524 
525 	/* Get expansion board version (negative logic) */
526 	exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
527 	exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
528 	exp_version |= !gpio_get_value(EXPBOARD_BIT0);
529 
530 	/* Get mother board version (negative logic) */
531 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
532 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
533 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
534 
535 	system_rev = 0x27000;
536 	system_rev |= (mo_version << MOTHERBOARD_SHIFT);
537 	system_rev |= (exp_version << EXPBOARD_SHIFT);
538 }
539 
visstrim_m10_board_init(void)540 static void __init visstrim_m10_board_init(void)
541 {
542 	int ret;
543 	int mo_version;
544 
545 	imx27_soc_init();
546 	visstrim_m10_revision();
547 
548 	ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
549 			ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
550 	if (ret)
551 		pr_err("Failed to setup pins (%d)\n", ret);
552 
553 	ret = gpio_request_array(visstrim_m10_gpios,
554 				ARRAY_SIZE(visstrim_m10_gpios));
555 	if (ret)
556 		pr_err("Failed to request gpios (%d)\n", ret);
557 
558 	imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
559 	imx27_add_imx_uart0(&uart_pdata);
560 
561 	imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
562 	imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
563 	i2c_register_board_info(0, visstrim_m10_i2c_devices,
564 				ARRAY_SIZE(visstrim_m10_i2c_devices));
565 
566 	imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
567 	imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
568 	imx27_add_fec(NULL);
569 	imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
570 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
571 	imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
572 				sizeof(snd_mx27vis_pdata));
573 	platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
574 				      &iclink_tvp5150, sizeof(iclink_tvp5150));
575 	gpio_led_register_device(0, &visstrim_m10_led_data);
576 
577 	/* Use mother board version to decide what video devices we shall use */
578 	mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
579 	if (mo_version & 0x1) {
580 		visstrim_emmaprp_init();
581 
582 		/*
583 		 * Despite not being used, tvp5150 must be
584 		 * powered on to avoid I2C problems. To minimize
585 		 * power consupmtion keep reset enabled.
586 		 */
587 		gpio_set_value(TVP5150_PWDN, 1);
588 		ndelay(1);
589 		gpio_set_value(TVP5150_RSTN, 0);
590 	} else {
591 		visstrim_deinterlace_init();
592 		visstrim_analog_camera_init();
593 	}
594 	visstrim_coda_init();
595 }
596 
visstrim_m10_timer_init(void)597 static void __init visstrim_m10_timer_init(void)
598 {
599 	mx27_clocks_init((unsigned long)25000000);
600 }
601 
602 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
603 	.atag_offset = 0x100,
604 	.reserve = visstrim_reserve,
605 	.map_io = mx27_map_io,
606 	.init_early = imx27_init_early,
607 	.init_irq = mx27_init_irq,
608 	.init_time	= visstrim_m10_timer_init,
609 	.init_machine = visstrim_m10_board_init,
610 	.restart	= mxc_restart,
611 MACHINE_END
612