2 * mach-imx27_visstrim_m10.c
4 * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com>
6 * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
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.
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.
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,
24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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>
45 #include "devices-imx27.h"
48 #include "iomux-mx27.h"
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)
55 #define VERSION_MASK 0x7
56 #define MOTHERBOARD_SHIFT 4
57 #define EXPBOARD_SHIFT 0
59 #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
60 #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
61 #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
63 #define EXPBOARD_BIT2 (GPIO_PORTD + 25)
64 #define EXPBOARD_BIT1 (GPIO_PORTD + 27)
65 #define EXPBOARD_BIT0 (GPIO_PORTD + 28)
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)
72 static const int visstrim_m10_pins[] __initconst = {
115 OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
117 PC11_PF_USBOTG_DATA1,
118 PC10_PF_USBOTG_DATA2,
119 PC13_PF_USBOTG_DATA3,
120 PC12_PF_USBOTG_DATA4,
123 PE25_PF_USBOTG_DATA7,
131 TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
132 TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
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,
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" },
169 static const struct gpio visstrim_m10_gpios[] __initconst = {
171 .gpio = TVP5150_RSTN,
172 .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
173 .label = "tvp5150_rstn",
176 .gpio = TVP5150_PWDN,
177 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
178 .label = "tvp5150_pwdn",
181 .gpio = OTG_PHY_CS_GPIO,
182 .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
183 .label = "usbotg_cs",
187 .flags = GPIOF_DIR_OUT,
188 .label = "amp-gain-0",
192 .flags = GPIOF_DIR_OUT,
193 .label = "amp-gain-1",
196 .gpio = AMP_MUTE_SDL,
197 .flags = GPIOF_DIR_OUT,
198 .label = "amp-mute-sdl",
201 .gpio = AMP_MUTE_SDR,
202 .flags = GPIOF_DIR_OUT,
203 .label = "amp-mute-sdr",
208 static int visstrim_camera_power(struct device *dev, int on)
210 gpio_set_value(TVP5150_PWDN, on);
215 static int visstrim_camera_reset(struct device *dev)
217 gpio_set_value(TVP5150_RSTN, 0);
219 gpio_set_value(TVP5150_RSTN, 1);
224 static struct i2c_board_info visstrim_i2c_camera = {
225 I2C_BOARD_INFO("tvp5150", 0x5d),
228 static struct soc_camera_link iclink_tvp5150 = {
230 .board_info = &visstrim_i2c_camera,
232 .power = visstrim_camera_power,
233 .reset = visstrim_camera_reset,
236 static struct mx2_camera_platform_data visstrim_camera = {
237 .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
238 MX2_CAMERA_PCLK_SAMPLE_RISING,
242 static phys_addr_t mx2_camera_base __initdata;
243 #define MX2_CAMERA_BUF_SIZE SZ_8M
245 static void __init visstrim_analog_camera_init(void)
247 struct platform_device *pdev;
250 gpio_set_value(TVP5150_PWDN, 1);
252 gpio_set_value(TVP5150_RSTN, 0);
254 gpio_set_value(TVP5150_RSTN, 1);
257 pdev = imx27_add_mx2_camera(&visstrim_camera);
261 dma = dma_declare_coherent_memory(&pdev->dev,
262 mx2_camera_base, mx2_camera_base,
264 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
265 if (!(dma & DMA_MEMORY_MAP))
269 static void __init visstrim_reserve(void)
271 /* reserve 4 MiB for mx2-camera */
272 mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
273 MX2_CAMERA_BUF_SIZE);
276 /* GPIOs used as events for applications */
277 static struct gpio_keys_button visstrim_gpio_keys[] = {
281 .gpio = (GPIO_PORTC + 15),
282 .desc = "Default config",
289 .gpio = (GPIO_PORTF + 14),
297 .gpio = (GPIO_PORTF + 13),
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),
311 static const struct gpio_led visstrim_m10_leds[] __initconst = {
313 .name = "visstrim:ld0",
314 .default_trigger = "nand-disk",
315 .gpio = (GPIO_PORTC + 29),
318 .name = "visstrim:ld1",
319 .default_trigger = "nand-disk",
320 .gpio = (GPIO_PORTC + 24),
323 .name = "visstrim:ld2",
324 .default_trigger = "nand-disk",
325 .gpio = (GPIO_PORTC + 28),
328 .name = "visstrim:ld3",
329 .default_trigger = "nand-disk",
330 .gpio = (GPIO_PORTC + 25),
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),
339 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
340 static int visstrim_m10_sdhc1_init(struct device *dev,
341 irq_handler_t detect_irq, void *data)
345 ret = request_irq(gpio_to_irq(SDHC1_IRQ_GPIO), detect_irq,
346 IRQF_TRIGGER_FALLING, "mmc-detect", data);
350 static void visstrim_m10_sdhc1_exit(struct device *dev, void *data)
352 free_irq(gpio_to_irq(SDHC1_IRQ_GPIO), data);
355 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst = {
356 .init = visstrim_m10_sdhc1_init,
357 .exit = visstrim_m10_sdhc1_exit,
360 /* Visstrim_SM10 NOR flash */
361 static struct physmap_flash_data visstrim_m10_flash_data = {
365 static struct resource visstrim_m10_flash_resource = {
367 .end = 0xc0000000 + SZ_64M - 1,
368 .flags = IORESOURCE_MEM,
371 static struct platform_device visstrim_m10_nor_mtd_device = {
372 .name = "physmap-flash",
375 .platform_data = &visstrim_m10_flash_data,
378 .resource = &visstrim_m10_flash_resource,
381 static struct platform_device *platform_devices[] __initdata = {
382 &visstrim_m10_nor_mtd_device,
385 /* Visstrim_M10 uses UART0 as console */
386 static const struct imxuart_platform_data uart_pdata __initconst = {
387 .flags = IMXUART_HAVE_RTSCTS,
391 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = {
395 static struct pca953x_platform_data visstrim_m10_pca9555_pdata = {
396 .gpio_base = 240, /* After MX27 internal GPIOs */
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,
411 static struct i2c_board_info visstrim_m10_i2c_devices[] = {
413 I2C_BOARD_INFO("pca9555", 0x20),
414 .platform_data = &visstrim_m10_pca9555_pdata,
417 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
418 .platform_data = &visstrim_m10_aic32x4_pdata,
421 I2C_BOARD_INFO("m41t00", 0x68),
426 static int otg_phy_init(struct platform_device *pdev)
428 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
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,
438 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
439 .flags = IMX_SSI_DMA | IMX_SSI_SYN,
444 static void __init visstrim_coda_init(void)
446 struct platform_device *pdev;
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,
454 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
455 if (!(dma & DMA_MEMORY_MAP))
459 /* DMA deinterlace */
460 static struct platform_device visstrim_deinterlace = {
461 .name = "m2m-deinterlace",
465 static void __init visstrim_deinterlace_init(void)
468 struct platform_device *pdev = &visstrim_deinterlace;
471 ret = platform_device_register(pdev);
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,
477 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
478 if (!(dma & DMA_MEMORY_MAP))
482 /* Emma-PrP for format conversion */
483 static void __init visstrim_emmaprp_init(void)
485 struct platform_device *pdev;
488 pdev = imx27_add_mx2_emmaprp();
493 * Use the same memory area as the analog camera since both
494 * devices are, by nature, exclusive.
496 dma = dma_declare_coherent_memory(&pdev->dev,
497 mx2_camera_base, mx2_camera_base,
499 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
500 if (!(dma & DMA_MEMORY_MAP))
501 pr_err("Failed to declare memory for emmaprp\n");
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,
512 static void __init visstrim_m10_revision(void)
518 ret = gpio_request_array(visstrim_m10_version_gpios,
519 ARRAY_SIZE(visstrim_m10_version_gpios));
521 pr_err("Failed to request version gpios");
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);
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);
535 system_rev = 0x27000;
536 system_rev |= (mo_version << MOTHERBOARD_SHIFT);
537 system_rev |= (exp_version << EXPBOARD_SHIFT);
540 static void __init visstrim_m10_board_init(void)
546 visstrim_m10_revision();
548 ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
549 ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
551 pr_err("Failed to setup pins (%d)\n", ret);
553 ret = gpio_request_array(visstrim_m10_gpios,
554 ARRAY_SIZE(visstrim_m10_gpios));
556 pr_err("Failed to request gpios (%d)\n", ret);
558 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
559 imx27_add_imx_uart0(&uart_pdata);
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));
566 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
567 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
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);
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();
583 * Despite not being used, tvp5150 must be
584 * powered on to avoid I2C problems. To minimize
585 * power consupmtion keep reset enabled.
587 gpio_set_value(TVP5150_PWDN, 1);
589 gpio_set_value(TVP5150_RSTN, 0);
591 visstrim_deinterlace_init();
592 visstrim_analog_camera_init();
594 visstrim_coda_init();
597 static void __init visstrim_m10_timer_init(void)
599 mx27_clocks_init((unsigned long)25000000);
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,