2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
4 * Author: Fabio Estevam <fabio.estevam@freescale.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 * This machine is known as:
19 * - i.MX27 3-Stack Development System
20 * - i.MX27 Platform Development Kit (i.MX27 PDK)
23 #include <linux/platform_device.h>
24 #include <linux/gpio.h>
25 #include <linux/irq.h>
26 #include <linux/usb/otg.h>
27 #include <linux/usb/ulpi.h>
28 #include <linux/delay.h>
29 #include <linux/mfd/mc13783.h>
30 #include <linux/spi/spi.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/spi/l4f00242t03.h>
34 #include <media/soc_camera.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/time.h>
39 #include <mach/hardware.h>
40 #include <mach/common.h>
41 #include <mach/iomux-mx27.h>
42 #include <mach/ulpi.h>
43 #include <mach/irqs.h>
44 #include <mach/3ds_debugboard.h>
46 #include "devices-imx27.h"
48 #define SD1_EN_GPIO IMX_GPIO_NR(2, 25)
49 #define OTG_PHY_RESET_GPIO IMX_GPIO_NR(2, 23)
50 #define SPI2_SS0 IMX_GPIO_NR(4, 21)
51 #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(3, 28))
52 #define PMIC_INT IMX_GPIO_NR(3, 14)
53 #define SPI1_SS0 IMX_GPIO_NR(4, 28)
54 #define SD1_CD IMX_GPIO_NR(2, 26)
55 #define LCD_RESET IMX_GPIO_NR(1, 3)
56 #define LCD_ENABLE IMX_GPIO_NR(1, 31)
57 #define CSI_PWRDWN IMX_GPIO_NR(4, 19)
58 #define CSI_RESET IMX_GPIO_NR(3, 6)
60 static const int mx27pdk_pins[] __initconst = {
92 SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
94 OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
100 PC12_PF_USBOTG_DATA4,
101 PC13_PF_USBOTG_DATA3,
106 PE25_PF_USBOTG_DATA7,
112 SPI1_SS0 | GPIO_GPIO | GPIO_OUT,
117 SPI2_SS0 | GPIO_GPIO | GPIO_OUT,
122 PMIC_INT | GPIO_GPIO | GPIO_IN,
146 LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
147 LCD_RESET | GPIO_GPIO | GPIO_OUT,
161 CSI_PWRDWN | GPIO_GPIO | GPIO_OUT,
162 CSI_RESET | GPIO_GPIO | GPIO_OUT,
165 static struct gpio mx27_3ds_camera_gpios[] = {
166 { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" },
167 { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" },
170 static const struct imxuart_platform_data uart_pdata __initconst = {
171 .flags = IMXUART_HAVE_RTSCTS,
178 static const uint32_t mx27_3ds_keymap[] = {
181 KEY(1, 0, KEY_RIGHT),
183 KEY(1, 2, KEY_ENTER),
190 static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
191 .keymap = mx27_3ds_keymap,
192 .keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
195 static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
198 return request_irq(gpio_to_irq(SD1_CD), detect_irq,
199 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
202 static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
204 free_irq(gpio_to_irq(SD1_CD), data);
207 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
208 .init = mx27_3ds_sdhc1_init,
209 .exit = mx27_3ds_sdhc1_exit,
212 static void mx27_3ds_sdhc1_enable_level_translator(void)
214 /* Turn on TXB0108 OE pin */
215 gpio_request(SD1_EN_GPIO, "sd1_enable");
216 gpio_direction_output(SD1_EN_GPIO, 1);
220 static int otg_phy_init(void)
222 gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
223 gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
225 gpio_set_value(OTG_PHY_RESET_GPIO, 1);
229 static int mx27_3ds_otg_init(struct platform_device *pdev)
231 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
234 static struct mxc_usbh_platform_data otg_pdata __initdata = {
235 .init = mx27_3ds_otg_init,
236 .portsc = MXC_EHCI_MODE_ULPI,
239 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
240 .operating_mode = FSL_USB2_DR_DEVICE,
241 .phy_mode = FSL_USB2_PHY_ULPI,
244 static int otg_mode_host;
246 static int __init mx27_3ds_otg_mode(char *options)
248 if (!strcmp(options, "host"))
250 else if (!strcmp(options, "device"))
253 pr_info("otg_mode neither \"host\" nor \"device\". "
254 "Defaulting to device\n");
257 __setup("otg_mode=", mx27_3ds_otg_mode);
260 static struct regulator_init_data gpo_init = {
267 static struct regulator_consumer_supply vmmc1_consumers[] = {
268 REGULATOR_SUPPLY("vcore", "spi0.0"),
269 REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
272 static struct regulator_init_data vmmc1_init = {
277 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
278 REGULATOR_CHANGE_STATUS,
280 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
281 .consumer_supplies = vmmc1_consumers,
284 static struct regulator_consumer_supply vgen_consumers[] = {
285 REGULATOR_SUPPLY("vdd", "spi0.0"),
288 static struct regulator_init_data vgen_init = {
292 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
294 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
295 .consumer_supplies = vgen_consumers,
298 static struct regulator_consumer_supply vvib_consumers[] = {
299 REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
302 static struct regulator_init_data vvib_init = {
307 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
308 REGULATOR_CHANGE_STATUS,
310 .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
311 .consumer_supplies = vvib_consumers,
314 static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
316 .id = MC13783_REG_VMMC1,
317 .init_data = &vmmc1_init,
319 .id = MC13783_REG_VGEN,
320 .init_data = &vgen_init,
322 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
323 .init_data = &gpo_init,
325 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
326 .init_data = &gpo_init,
328 .id = MC13783_REG_VVIB, /* Power OV2640 */
329 .init_data = &vvib_init,
334 static struct mc13xxx_platform_data mc13783_pdata = {
336 .regulators = mx27_3ds_regulators,
337 .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
340 .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC,
344 static int spi1_chipselect[] = {SPI1_SS0};
346 static const struct spi_imx_master spi1_pdata __initconst = {
347 .chipselect = spi1_chipselect,
348 .num_chipselect = ARRAY_SIZE(spi1_chipselect),
351 static int spi2_chipselect[] = {SPI2_SS0};
353 static const struct spi_imx_master spi2_pdata __initconst = {
354 .chipselect = spi2_chipselect,
355 .num_chipselect = ARRAY_SIZE(spi2_chipselect),
358 static int mx27_3ds_camera_power(struct device *dev, int on)
360 /* enable or disable the camera */
361 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
362 gpio_set_value(CSI_PWRDWN, on ? 0 : 1);
367 /* If enabled, give a reset impulse */
368 gpio_set_value(CSI_RESET, 0);
370 gpio_set_value(CSI_RESET, 1);
377 static struct i2c_board_info mx27_3ds_i2c_camera = {
378 I2C_BOARD_INFO("ov2640", 0x30),
381 static struct regulator_bulk_data mx27_3ds_camera_regs[] = {
382 { .supply = "cmos_vcore" },
383 { .supply = "cmos_2v8" },
386 static struct soc_camera_link iclink_ov2640 = {
388 .board_info = &mx27_3ds_i2c_camera,
390 .power = mx27_3ds_camera_power,
391 .regulators = mx27_3ds_camera_regs,
392 .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs),
395 static struct platform_device mx27_3ds_ov2640 = {
396 .name = "soc-camera-pdrv",
399 .platform_data = &iclink_ov2640,
403 static struct imx_fb_videomode mx27_3ds_modes[] = {
404 { /* 480x640 @ 60 Hz */
417 .sync = FB_SYNC_OE_ACT_HIGH |
419 .vmode = FB_VMODE_NONINTERLACED,
427 static const struct imx_fb_platform_data mx27_3ds_fb_data __initconst = {
428 .mode = mx27_3ds_modes,
429 .num_modes = ARRAY_SIZE(mx27_3ds_modes),
436 static struct l4f00242t03_pdata mx27_3ds_lcd_pdata = {
437 .reset_gpio = LCD_RESET,
438 .data_enable_gpio = LCD_ENABLE,
441 static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
443 .modalias = "mc13783",
444 .max_speed_hz = 1000000,
446 .chip_select = 0, /* SS0 */
447 .platform_data = &mc13783_pdata,
448 .irq = IMX_GPIO_TO_IRQ(PMIC_INT),
451 .modalias = "l4f00242t03",
452 .max_speed_hz = 5000000,
454 .chip_select = 0, /* SS0 */
455 .platform_data = &mx27_3ds_lcd_pdata,
459 static struct platform_device *devices[] __initdata = {
463 static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = {
467 static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = {
471 static void __init mx27pdk_init(void)
476 mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
478 mx27_3ds_sdhc1_enable_level_translator();
479 imx27_add_imx_uart0(&uart_pdata);
481 imx27_add_imx_keypad(&mx27_3ds_keymap_data);
482 imx27_add_mxc_mmc(0, &sdhc1_pdata);
483 imx27_add_imx2_wdt(NULL);
487 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
488 ULPI_OTG_DRVVBUS_EXT);
491 imx27_add_mxc_ehci_otg(&otg_pdata);
495 imx27_add_fsl_usb2_udc(&otg_device_pdata);
497 imx27_add_spi_imx1(&spi2_pdata);
498 imx27_add_spi_imx0(&spi1_pdata);
499 spi_register_board_info(mx27_3ds_spi_devs,
500 ARRAY_SIZE(mx27_3ds_spi_devs));
502 if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
503 pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
504 imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);
505 platform_add_devices(devices, ARRAY_SIZE(devices));
506 imx27_add_imx_fb(&mx27_3ds_fb_data);
508 ret = gpio_request_array(mx27_3ds_camera_gpios,
509 ARRAY_SIZE(mx27_3ds_camera_gpios));
511 pr_err("Failed to request camera gpios");
512 iclink_ov2640.power = NULL;
515 imx27_add_mx2_camera(&mx27_3ds_cam_pdata);
518 static void __init mx27pdk_timer_init(void)
520 mx27_clocks_init(26000000);
523 static struct sys_timer mx27pdk_timer = {
524 .init = mx27pdk_timer_init,
527 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
528 /* maintainer: Freescale Semiconductor, Inc. */
529 .atag_offset = 0x100,
530 .map_io = mx27_map_io,
531 .init_early = imx27_init_early,
532 .init_irq = mx27_init_irq,
533 .handle_irq = imx27_handle_irq,
534 .timer = &mx27pdk_timer,
535 .init_machine = mx27pdk_init,
536 .restart = mxc_restart,