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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/i2c/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 "hardware.h"
47 #include "iomux-mx27.h"
48 
49 #define TVP5150_RSTN (GPIO_PORTC + 18)
50 #define TVP5150_PWDN (GPIO_PORTC + 19)
51 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
52 #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
53 
54 #define VERSION_MASK		0x7
55 #define MOTHERBOARD_SHIFT	4
56 #define EXPBOARD_SHIFT		0
57 
58 #define MOTHERBOARD_BIT2	(GPIO_PORTD + 31)
59 #define MOTHERBOARD_BIT1	(GPIO_PORTD + 30)
60 #define MOTHERBOARD_BIT0	(GPIO_PORTD + 29)
61 
62 #define EXPBOARD_BIT2		(GPIO_PORTD + 25)
63 #define EXPBOARD_BIT1		(GPIO_PORTD + 27)
64 #define EXPBOARD_BIT0		(GPIO_PORTD + 28)
65 
66 #define AMP_GAIN_0		(GPIO_PORTF + 9)
67 #define AMP_GAIN_1		(GPIO_PORTF + 8)
68 #define AMP_MUTE_SDL		(GPIO_PORTE + 5)
69 #define AMP_MUTE_SDR		(GPIO_PORTF + 7)
70 
71 static const int visstrim_m10_pins[] __initconst = {
72 	/* UART1 (console) */
73 	PE12_PF_UART1_TXD,
74 	PE13_PF_UART1_RXD,
75 	PE14_PF_UART1_CTS,
76 	PE15_PF_UART1_RTS,
77 	/* FEC */
78 	PD0_AIN_FEC_TXD0,
79 	PD1_AIN_FEC_TXD1,
80 	PD2_AIN_FEC_TXD2,
81 	PD3_AIN_FEC_TXD3,
82 	PD4_AOUT_FEC_RX_ER,
83 	PD5_AOUT_FEC_RXD1,
84 	PD6_AOUT_FEC_RXD2,
85 	PD7_AOUT_FEC_RXD3,
86 	PD8_AF_FEC_MDIO,
87 	PD9_AIN_FEC_MDC,
88 	PD10_AOUT_FEC_CRS,
89 	PD11_AOUT_FEC_TX_CLK,
90 	PD12_AOUT_FEC_RXD0,
91 	PD13_AOUT_FEC_RX_DV,
92 	PD14_AOUT_FEC_RX_CLK,
93 	PD15_AOUT_FEC_COL,
94 	PD16_AIN_FEC_TX_ER,
95 	PF23_AIN_FEC_TX_EN,
96 	/* SSI1 */
97 	PC20_PF_SSI1_FS,
98 	PC21_PF_SSI1_RXD,
99 	PC22_PF_SSI1_TXD,
100 	PC23_PF_SSI1_CLK,
101 	/* SDHC1 */
102 	PE18_PF_SD1_D0,
103 	PE19_PF_SD1_D1,
104 	PE20_PF_SD1_D2,
105 	PE21_PF_SD1_D3,
106 	PE22_PF_SD1_CMD,
107 	PE23_PF_SD1_CLK,
108 	/* Both I2Cs */
109 	PD17_PF_I2C_DATA,
110 	PD18_PF_I2C_CLK,
111 	PC5_PF_I2C2_SDA,
112 	PC6_PF_I2C2_SCL,
113 	/* USB OTG */
114 	OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
115 	PC9_PF_USBOTG_DATA0,
116 	PC11_PF_USBOTG_DATA1,
117 	PC10_PF_USBOTG_DATA2,
118 	PC13_PF_USBOTG_DATA3,
119 	PC12_PF_USBOTG_DATA4,
120 	PC7_PF_USBOTG_DATA5,
121 	PC8_PF_USBOTG_DATA6,
122 	PE25_PF_USBOTG_DATA7,
123 	PE24_PF_USBOTG_CLK,
124 	PE2_PF_USBOTG_DIR,
125 	PE0_PF_USBOTG_NXT,
126 	PE1_PF_USBOTG_STP,
127 	PB23_PF_USB_PWR,
128 	PB24_PF_USB_OC,
129 	/* CSI */
130 	TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
131 	TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
132 	PB10_PF_CSI_D0,
133 	PB11_PF_CSI_D1,
134 	PB12_PF_CSI_D2,
135 	PB13_PF_CSI_D3,
136 	PB14_PF_CSI_D4,
137 	PB15_PF_CSI_MCLK,
138 	PB16_PF_CSI_PIXCLK,
139 	PB17_PF_CSI_D5,
140 	PB18_PF_CSI_D6,
141 	PB19_PF_CSI_D7,
142 	PB20_PF_CSI_VSYNC,
143 	PB21_PF_CSI_HSYNC,
144 	/* mother board version */
145 	MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
146 	MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
147 	MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
148 	/* expansion board version */
149 	EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
150 	EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
151 	EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
152 	/* Audio AMP control */
153 	AMP_GAIN_0 | GPIO_GPIO | GPIO_OUT,
154 	AMP_GAIN_1 | GPIO_GPIO | GPIO_OUT,
155 	AMP_MUTE_SDL | GPIO_GPIO | GPIO_OUT,
156 	AMP_MUTE_SDR | GPIO_GPIO | GPIO_OUT,
157 };
158 
159 static struct gpio visstrim_m10_version_gpios[] = {
160 	{ EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
161 	{ EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
162 	{ EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
163 	{ MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
164 	{ MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
165 	{ MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
166 };
167 
168 static const struct gpio visstrim_m10_gpios[] __initconst = {
169 	{
170 		.gpio = TVP5150_RSTN,
171 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
172 		.label = "tvp5150_rstn",
173 	},
174 	{
175 		.gpio = TVP5150_PWDN,
176 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
177 		.label = "tvp5150_pwdn",
178 	},
179 	{
180 		.gpio = OTG_PHY_CS_GPIO,
181 		.flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
182 		.label = "usbotg_cs",
183 	},
184 	{
185 		.gpio = AMP_GAIN_0,
186 		.flags = GPIOF_DIR_OUT,
187 		.label = "amp-gain-0",
188 	},
189 	{
190 		.gpio = AMP_GAIN_1,
191 		.flags = GPIOF_DIR_OUT,
192 		.label = "amp-gain-1",
193 	},
194 	{
195 		.gpio = AMP_MUTE_SDL,
196 		.flags = GPIOF_DIR_OUT,
197 		.label = "amp-mute-sdl",
198 	},
199 	{
200 		.gpio = AMP_MUTE_SDR,
201 		.flags = GPIOF_DIR_OUT,
202 		.label = "amp-mute-sdr",
203 	},
204 };
205 
206 /* Camera */
visstrim_camera_power(struct device * dev,int on)207 static int visstrim_camera_power(struct device *dev, int on)
208 {
209 	gpio_set_value(TVP5150_PWDN, on);
210 
211 	return 0;
212 };
213 
visstrim_camera_reset(struct device * dev)214 static int visstrim_camera_reset(struct device *dev)
215 {
216 	gpio_set_value(TVP5150_RSTN, 0);
217 	ndelay(500);
218 	gpio_set_value(TVP5150_RSTN, 1);
219 
220 	return 0;
221 };
222 
223 static struct i2c_board_info visstrim_i2c_camera =  {
224 	I2C_BOARD_INFO("tvp5150", 0x5d),
225 };
226 
227 static struct soc_camera_link iclink_tvp5150 = {
228 	.bus_id         = 0,
229 	.board_info     = &visstrim_i2c_camera,
230 	.i2c_adapter_id = 0,
231 	.power = visstrim_camera_power,
232 	.reset = visstrim_camera_reset,
233 };
234 
235 static struct mx2_camera_platform_data visstrim_camera = {
236 	.flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
237 		 MX2_CAMERA_PCLK_SAMPLE_RISING,
238 	.clk = 100000,
239 };
240 
241 static phys_addr_t mx2_camera_base __initdata;
242 #define MX2_CAMERA_BUF_SIZE SZ_8M
243 
visstrim_analog_camera_init(void)244 static void __init visstrim_analog_camera_init(void)
245 {
246 	struct platform_device *pdev;
247 	int dma;
248 
249 	gpio_set_value(TVP5150_PWDN, 1);
250 	ndelay(1);
251 	gpio_set_value(TVP5150_RSTN, 0);
252 	ndelay(500);
253 	gpio_set_value(TVP5150_RSTN, 1);
254 	ndelay(200000);
255 
256 	pdev = imx27_add_mx2_camera(&visstrim_camera);
257 	if (IS_ERR(pdev))
258 		return;
259 
260 	dma = dma_declare_coherent_memory(&pdev->dev,
261 				mx2_camera_base, mx2_camera_base,
262 				MX2_CAMERA_BUF_SIZE,
263 				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
264 	if (!(dma & DMA_MEMORY_MAP))
265 		return;
266 }
267 
visstrim_reserve(void)268 static void __init visstrim_reserve(void)
269 {
270 	/* reserve 4 MiB for mx2-camera */
271 	mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
272 			MX2_CAMERA_BUF_SIZE);
273 }
274 
275 /* GPIOs used as events for applications */
276 static struct gpio_keys_button visstrim_gpio_keys[] = {
277 	{
278 		.type	= EV_KEY,
279 		.code	= KEY_RESTART,
280 		.gpio	= (GPIO_PORTC + 15),
281 		.desc	= "Default config",
282 		.active_low = 0,
283 		.wakeup = 1,
284 	},
285 	{
286 		.type	= EV_KEY,
287 		.code	= KEY_RECORD,
288 		.gpio	= (GPIO_PORTF + 14),
289 		.desc	= "Record",
290 		.active_low = 0,
291 		.wakeup = 1,
292 	},
293 	{
294 		.type   = EV_KEY,
295 		.code   = KEY_STOP,
296 		.gpio   = (GPIO_PORTF + 13),
297 		.desc   = "Stop",
298 		.active_low = 0,
299 		.wakeup = 1,
300 	}
301 };
302 
303 static const struct gpio_keys_platform_data
304 		visstrim_gpio_keys_platform_data __initconst = {
305 	.buttons	= visstrim_gpio_keys,
306 	.nbuttons	= ARRAY_SIZE(visstrim_gpio_keys),
307 };
308 
309 /* led */
310 static const struct gpio_led visstrim_m10_leds[] __initconst = {
311 	{
312 		.name = "visstrim:ld0",
313 		.default_trigger = "nand-disk",
314 		.gpio = (GPIO_PORTC + 29),
315 	},
316 	{
317 		.name = "visstrim:ld1",
318 		.default_trigger = "nand-disk",
319 		.gpio = (GPIO_PORTC + 24),
320 	},
321 	{
322 		.name = "visstrim:ld2",
323 		.default_trigger = "nand-disk",
324 		.gpio = (GPIO_PORTC + 28),
325 	},
326 	{
327 		.name = "visstrim:ld3",
328 		.default_trigger = "nand-disk",
329 		.gpio = (GPIO_PORTC + 25),
330 	},
331 };
332 
333 static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
334 	.leds = visstrim_m10_leds,
335 	.num_leds = ARRAY_SIZE(visstrim_m10_leds),
336 };
337 
338 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
visstrim_m10_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)339 static int visstrim_m10_sdhc1_init(struct device *dev,
340 		irq_handler_t detect_irq, void *data)
341 {
342 	int ret;
343 
344 	ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
345 			  IRQF_TRIGGER_FALLING, "mmc-detect", data);
346 	return ret;
347 }
348 
visstrim_m10_sdhc1_exit(struct device * dev,void * data)349 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
350 {
351 	free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
352 }
353 
354 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
355 	.init = visstrim_m10_sdhc1_init,
356 	.exit = visstrim_m10_sdhc1_exit,
357 };
358 
359 /* Visstrim_SM10 NOR flash */
360 static struct physmap_flash_data visstrim_m10_flash_data = {
361 	.width = 2,
362 };
363 
364 static struct resource visstrim_m10_flash_resource = {
365 	.start = 0xc0000000,
366 	.end = 0xc0000000 + SZ_64M - 1,
367 	.flags = IORESOURCE_MEM,
368 };
369 
370 static struct platform_device visstrim_m10_nor_mtd_device = {
371 	.name = "physmap-flash",
372 	.id = 0,
373 	.dev = {
374 		.platform_data = &visstrim_m10_flash_data,
375 	},
376 	.num_resources = 1,
377 	.resource = &visstrim_m10_flash_resource,
378 };
379 
380 static struct platform_device *platform_devices[] __initdata = {
381 	&visstrim_m10_nor_mtd_device,
382 };
383 
384 /* Visstrim_M10 uses UART0 as console */
385 static const struct imxuart_platform_data uart_pdata __initconst = {
386 	.flags = IMXUART_HAVE_RTSCTS,
387 };
388 
389 /* I2C */
390 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
391 	.bitrate = 100000,
392 };
393 
394 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
395 	.gpio_base = 240, /* After MX27 internal GPIOs */
396 	.invert = 0,
397 };
398 
399 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata = {
400 	.power_cfg = AIC32X4_PWR_MICBIAS_2075_LDOIN |
401 		     AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE |
402 		     AIC32X4_PWR_AIC32X4_LDO_ENABLE |
403 		     AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36 |
404 		     AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED,
405 	.micpga_routing = AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K |
406 			 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K,
407 	.swapdacs = false,
408 };
409 
410 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
411 	{
412 		I2C_BOARD_INFO("pca9555", 0x20),
413 		.platform_data = &visstrim_m10_pca9555_pdata,
414 	},
415 	{
416 		I2C_BOARD_INFO("tlv320aic32x4", 0x18),
417 		.platform_data = &visstrim_m10_aic32x4_pdata,
418 	},
419 	{
420 		 I2C_BOARD_INFO("m41t00", 0x68),
421 	}
422 };
423 
424 /* USB OTG */
otg_phy_init(struct platform_device * pdev)425 static int otg_phy_init(struct platform_device *pdev)
426 {
427 	return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
428 }
429 
430 static const struct mxc_usbh_platform_data
431 visstrim_m10_usbotg_pdata __initconst = {
432 	.init = otg_phy_init,
433 	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
434 };
435 
436 /* SSI */
437 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
438 	.flags			= IMX_SSI_DMA | IMX_SSI_SYN,
439 };
440 
441 /* coda */
442 
visstrim_coda_init(void)443 static void __init visstrim_coda_init(void)
444 {
445 	struct platform_device *pdev;
446 	int dma;
447 
448 	pdev = imx27_add_coda();
449 	dma = dma_declare_coherent_memory(&pdev->dev,
450 					  mx2_camera_base + MX2_CAMERA_BUF_SIZE,
451 					  mx2_camera_base + MX2_CAMERA_BUF_SIZE,
452 					  MX2_CAMERA_BUF_SIZE,
453 					  DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
454 	if (!(dma & DMA_MEMORY_MAP))
455 		return;
456 }
457 
458 /* DMA deinterlace */
459 static struct platform_device visstrim_deinterlace = {
460 	.name = "m2m-deinterlace",
461 	.id = 0,
462 };
463 
visstrim_deinterlace_init(void)464 static void __init visstrim_deinterlace_init(void)
465 {
466 	int ret = -ENOMEM;
467 	struct platform_device *pdev = &visstrim_deinterlace;
468 	int dma;
469 
470 	ret = platform_device_register(pdev);
471 
472 	dma = dma_declare_coherent_memory(&pdev->dev,
473 					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
474 					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
475 					  MX2_CAMERA_BUF_SIZE,
476 					  DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
477 	if (!(dma & DMA_MEMORY_MAP))
478 		return;
479 }
480 
481 /* Emma-PrP for format conversion */
visstrim_emmaprp_init(void)482 static void __init visstrim_emmaprp_init(void)
483 {
484 	struct platform_device *pdev;
485 	int dma;
486 
487 	pdev = imx27_add_mx2_emmaprp();
488 	if (IS_ERR(pdev))
489 		return;
490 
491 	/*
492 	 * Use the same memory area as the analog camera since both
493 	 * devices are, by nature, exclusive.
494 	 */
495 	dma = dma_declare_coherent_memory(&pdev->dev,
496 				mx2_camera_base, mx2_camera_base,
497 				MX2_CAMERA_BUF_SIZE,
498 				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
499 	if (!(dma & DMA_MEMORY_MAP))
500 		pr_err("Failed to declare memory for emmaprp\n");
501 }
502 
503 /* Audio */
504 static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
505 	.amp_gain0_gpio = AMP_GAIN_0,
506 	.amp_gain1_gpio = AMP_GAIN_1,
507 	.amp_mutel_gpio = AMP_MUTE_SDL,
508 	.amp_muter_gpio = AMP_MUTE_SDR,
509 };
510 
visstrim_m10_revision(void)511 static void __init visstrim_m10_revision(void)
512 {
513 	int exp_version = 0;
514 	int mo_version = 0;
515 	int ret;
516 
517 	ret = gpio_request_array(visstrim_m10_version_gpios,
518 				 ARRAY_SIZE(visstrim_m10_version_gpios));
519 	if (ret) {
520 		pr_err("Failed to request version gpios");
521 		return;
522 	}
523 
524 	/* Get expansion board version (negative logic) */
525 	exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
526 	exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
527 	exp_version |= !gpio_get_value(EXPBOARD_BIT0);
528 
529 	/* Get mother board version (negative logic) */
530 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
531 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
532 	mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
533 
534 	system_rev = 0x27000;
535 	system_rev |= (mo_version << MOTHERBOARD_SHIFT);
536 	system_rev |= (exp_version << EXPBOARD_SHIFT);
537 }
538 
visstrim_m10_board_init(void)539 static void __init visstrim_m10_board_init(void)
540 {
541 	int ret;
542 	int mo_version;
543 
544 	imx27_soc_init();
545 	visstrim_m10_revision();
546 
547 	ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
548 			ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
549 	if (ret)
550 		pr_err("Failed to setup pins (%d)\n", ret);
551 
552 	ret = gpio_request_array(visstrim_m10_gpios,
553 				ARRAY_SIZE(visstrim_m10_gpios));
554 	if (ret)
555 		pr_err("Failed to request gpios (%d)\n", ret);
556 
557 	imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
558 	imx27_add_imx_uart0(&uart_pdata);
559 
560 	imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
561 	imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
562 	i2c_register_board_info(0, visstrim_m10_i2c_devices,
563 				ARRAY_SIZE(visstrim_m10_i2c_devices));
564 
565 	imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
566 	imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
567 	imx27_add_fec(NULL);
568 	imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
569 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
570 	imx_add_platform_device("mx27vis", 0, NULL, 0, &snd_mx27vis_pdata,
571 				sizeof(snd_mx27vis_pdata));
572 	platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
573 				      &iclink_tvp5150, sizeof(iclink_tvp5150));
574 	gpio_led_register_device(0, &visstrim_m10_led_data);
575 
576 	/* Use mother board version to decide what video devices we shall use */
577 	mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
578 	if (mo_version & 0x1) {
579 		visstrim_emmaprp_init();
580 
581 		/*
582 		 * Despite not being used, tvp5150 must be
583 		 * powered on to avoid I2C problems. To minimize
584 		 * power consupmtion keep reset enabled.
585 		 */
586 		gpio_set_value(TVP5150_PWDN, 1);
587 		ndelay(1);
588 		gpio_set_value(TVP5150_RSTN, 0);
589 	} else {
590 		visstrim_deinterlace_init();
591 		visstrim_analog_camera_init();
592 	}
593 	visstrim_coda_init();
594 }
595 
visstrim_m10_timer_init(void)596 static void __init visstrim_m10_timer_init(void)
597 {
598 	mx27_clocks_init((unsigned long)25000000);
599 }
600 
601 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
602 	.atag_offset = 0x100,
603 	.reserve = visstrim_reserve,
604 	.map_io = mx27_map_io,
605 	.init_early = imx27_init_early,
606 	.init_irq = mx27_init_irq,
607 	.handle_irq = imx27_handle_irq,
608 	.init_time	= visstrim_m10_timer_init,
609 	.init_machine = visstrim_m10_board_init,
610 	.restart	= mxc_restart,
611 MACHINE_END
612