2 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
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.
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.
15 #include <linux/delay.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/clk.h>
20 #include <linux/irq.h>
21 #include <linux/gpio.h>
22 #include <linux/platform_device.h>
23 #include <linux/mfd/mc13783.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/l4f00242t03.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/usb/otg.h>
28 #include <linux/usb/ulpi.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/time.h>
33 #include <asm/memory.h>
34 #include <asm/mach/map.h>
36 #include "3ds_debugboard.h"
38 #include "devices-imx31.h"
41 #include "iomux-mx3.h"
44 static int mx31_3ds_pins[] = {
50 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
52 IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
53 IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
55 MX31_PIN_CSPI2_SCLK__SCLK,
56 MX31_PIN_CSPI2_MOSI__MOSI,
57 MX31_PIN_CSPI2_MISO__MISO,
58 MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
59 MX31_PIN_CSPI2_SS0__SS0,
60 MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
62 IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
64 IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
66 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
67 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
68 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
69 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
70 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
71 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
72 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
73 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
74 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
75 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
76 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
77 MX31_PIN_USBOTG_STP__USBOTG_STP,
79 MX31_PIN_KEY_ROW0_KEY_ROW0,
80 MX31_PIN_KEY_ROW1_KEY_ROW1,
81 MX31_PIN_KEY_ROW2_KEY_ROW2,
82 MX31_PIN_KEY_COL0_KEY_COL0,
83 MX31_PIN_KEY_COL1_KEY_COL1,
84 MX31_PIN_KEY_COL2_KEY_COL2,
85 MX31_PIN_KEY_COL3_KEY_COL3,
87 IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
88 IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
89 IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
90 IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
91 IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
92 IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
93 IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
94 IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
95 IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
96 IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
97 IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
98 IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
100 IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
102 MX31_PIN_I2C_CLK__I2C1_SCL,
103 MX31_PIN_I2C_DAT__I2C1_SDA,
105 MX31_PIN_SD1_DATA3__SD1_DATA3,
106 MX31_PIN_SD1_DATA2__SD1_DATA2,
107 MX31_PIN_SD1_DATA1__SD1_DATA1,
108 MX31_PIN_SD1_DATA0__SD1_DATA0,
109 MX31_PIN_SD1_CLK__SD1_CLK,
110 MX31_PIN_SD1_CMD__SD1_CMD,
111 MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
112 MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
132 MX31_PIN_VSYNC3__VSYNC3,
133 MX31_PIN_HSYNC__HSYNC,
134 MX31_PIN_FPSHIFT__FPSHIFT,
135 MX31_PIN_CONTRAST__CONTRAST,
137 MX31_PIN_STXD4__STXD4,
138 MX31_PIN_SRXD4__SRXD4,
146 static const struct fb_videomode fb_modedb[] = {
147 { /* 480x640 @ 60 Hz */
159 .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
160 .vmode = FB_VMODE_NONINTERLACED,
165 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
168 .num_modes = ARRAY_SIZE(fb_modedb),
172 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
173 .reset_gpio = IOMUX_TO_GPIO(MX31_PIN_LCS1),
174 .data_enable_gpio = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
178 * Support for SD card slot in personality board
180 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
181 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
183 static struct gpio mx31_3ds_sdhc1_gpios[] = {
184 { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
185 { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
188 static int mx31_3ds_sdhc1_init(struct device *dev,
189 irq_handler_t detect_irq,
194 ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
195 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
197 pr_warn("Unable to request the SD/MMC GPIOs.\n");
201 ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)),
203 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
204 "sdhc1-detect", data);
206 pr_warn("Unable to request the SD/MMC card-detect IRQ.\n");
213 gpio_free_array(mx31_3ds_sdhc1_gpios,
214 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
218 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
220 free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)), data);
221 gpio_free_array(mx31_3ds_sdhc1_gpios,
222 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
225 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
228 * While the voltage stuff is done by the driver, activate the
229 * Buffer Enable Pin only if there is a card in slot to fix the card
230 * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
231 * Done here because at this stage we have for sure a debounced value
232 * of the presence of the card, showed by the value of vdd.
233 * 7 == ilog2(MMC_VDD_165_195)
236 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
238 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
241 static struct imxmmc_platform_data sdhc1_pdata = {
242 .init = mx31_3ds_sdhc1_init,
243 .exit = mx31_3ds_sdhc1_exit,
244 .setpower = mx31_3ds_sdhc1_setpower,
251 static const uint32_t mx31_3ds_keymap[] = {
254 KEY(1, 0, KEY_RIGHT),
256 KEY(1, 2, KEY_ENTER),
263 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
264 .keymap = mx31_3ds_keymap,
265 .keymap_size = ARRAY_SIZE(mx31_3ds_keymap),
269 static struct regulator_init_data pwgtx_init = {
276 static struct regulator_init_data gpo_init = {
283 static struct regulator_consumer_supply vmmc2_consumers[] = {
284 REGULATOR_SUPPLY("vmmc", "imx31-mmc.0"),
287 static struct regulator_init_data vmmc2_init = {
291 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
292 REGULATOR_CHANGE_STATUS,
294 .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
295 .consumer_supplies = vmmc2_consumers,
298 static struct regulator_consumer_supply vmmc1_consumers[] = {
299 REGULATOR_SUPPLY("vcore", "spi0.0"),
302 static struct regulator_init_data vmmc1_init = {
307 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
308 REGULATOR_CHANGE_STATUS,
310 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
311 .consumer_supplies = vmmc1_consumers,
314 static struct regulator_consumer_supply vgen_consumers[] = {
315 REGULATOR_SUPPLY("vdd", "spi0.0"),
318 static struct regulator_init_data vgen_init = {
323 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
324 REGULATOR_CHANGE_STATUS,
326 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
327 .consumer_supplies = vgen_consumers,
330 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
332 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
333 .init_data = &pwgtx_init,
335 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
336 .init_data = &pwgtx_init,
339 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
340 .init_data = &gpo_init,
342 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
343 .init_data = &gpo_init,
345 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
346 .init_data = &vmmc2_init,
348 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
349 .init_data = &vmmc1_init,
351 .id = MC13783_REG_VGEN, /* Power LCD */
352 .init_data = &vgen_init,
357 static struct mc13xxx_codec_platform_data mx31_3ds_codec = {
358 .dac_ssi_port = MC13783_SSI1_PORT,
359 .adc_ssi_port = MC13783_SSI1_PORT,
362 static struct mc13xxx_platform_data mc13783_pdata = {
364 .regulators = mx31_3ds_regulators,
365 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
367 .codec = &mx31_3ds_codec,
368 .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC,
372 static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = {
373 .flags = IMX_SSI_DMA | IMX_SSI_NET,
377 static const struct spi_imx_master spi0_pdata __initconst = {
381 static const struct spi_imx_master spi1_pdata __initconst = {
385 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
387 .modalias = "mc13783",
388 .max_speed_hz = 1000000,
390 .chip_select = 2, /* SS2 */
391 .platform_data = &mc13783_pdata,
392 /* irq number is run-time assigned */
395 .modalias = "l4f00242t03",
396 .max_speed_hz = 5000000,
398 .chip_select = 2, /* SS2 */
399 .platform_data = &mx31_3ds_l4f00242t03_pdata,
406 static const struct mxc_nand_platform_data
407 mx31_3ds_nand_board_info __initconst = {
410 #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
419 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
420 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
422 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
423 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
425 static int mx31_3ds_usbotg_init(void)
429 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
430 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
431 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
432 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
433 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
434 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
435 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
436 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
437 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
438 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
439 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
440 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
442 err = gpio_request(USBOTG_RST_B, "otgusb-reset");
444 pr_err("Failed to request the USB OTG reset gpio\n");
448 err = gpio_direction_output(USBOTG_RST_B, 0);
450 pr_err("Failed to drive the USB OTG reset gpio\n");
451 goto usbotg_free_reset;
455 gpio_set_value(USBOTG_RST_B, 1);
459 gpio_free(USBOTG_RST_B);
463 static int mx31_3ds_otg_init(struct platform_device *pdev)
465 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
468 static int mx31_3ds_host2_init(struct platform_device *pdev)
472 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
473 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
474 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
475 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
476 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
477 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
478 mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
479 mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
480 mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
481 mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
482 mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
483 mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
485 err = gpio_request(USBH2_RST_B, "usbh2-reset");
487 pr_err("Failed to request the USB Host 2 reset gpio\n");
491 err = gpio_direction_output(USBH2_RST_B, 0);
493 pr_err("Failed to drive the USB Host 2 reset gpio\n");
494 goto usbotg_free_reset;
498 gpio_set_value(USBH2_RST_B, 1);
502 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
505 gpio_free(USBH2_RST_B);
509 static struct mxc_usbh_platform_data otg_pdata __initdata = {
510 .init = mx31_3ds_otg_init,
511 .portsc = MXC_EHCI_MODE_ULPI,
514 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
515 .init = mx31_3ds_host2_init,
516 .portsc = MXC_EHCI_MODE_ULPI,
519 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
520 .operating_mode = FSL_USB2_DR_DEVICE,
521 .phy_mode = FSL_USB2_PHY_ULPI,
524 static bool otg_mode_host __initdata;
526 static int __init mx31_3ds_otg_mode(char *options)
528 if (!strcmp(options, "host"))
529 otg_mode_host = true;
530 else if (!strcmp(options, "device"))
531 otg_mode_host = false;
533 pr_info("otg_mode neither \"host\" nor \"device\". "
534 "Defaulting to device\n");
537 __setup("otg_mode=", mx31_3ds_otg_mode);
539 static const struct imxuart_platform_data uart_pdata __initconst = {
540 .flags = IMXUART_HAVE_RTSCTS,
543 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
547 static void __init mx31_3ds_init(void)
551 /* Configure SPI1 IOMUX */
552 mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);
554 mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
557 imx31_add_imx_uart0(&uart_pdata);
558 imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
560 imx31_add_spi_imx1(&spi1_pdata);
562 imx31_add_imx_keypad(&mx31_3ds_keymap_data);
564 imx31_add_imx2_wdt();
565 imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
567 imx31_add_spi_imx0(&spi0_pdata);
568 imx31_add_ipu_core();
569 imx31_add_mx3_sdc_fb(&mx3fb_pdata);
571 imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata);
573 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
576 static void __init mx31_3ds_late(void)
578 mx31_3ds_spi_devs[0].irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
579 spi_register_board_info(mx31_3ds_spi_devs,
580 ARRAY_SIZE(mx31_3ds_spi_devs));
582 mx31_3ds_usbotg_init();
584 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
585 ULPI_OTG_DRVVBUS_EXT);
587 imx31_add_mxc_ehci_otg(&otg_pdata);
589 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
590 ULPI_OTG_DRVVBUS_EXT);
592 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
595 imx31_add_fsl_usb2_udc(&usbotg_pdata);
597 if (mxc_expio_init(MX31_CS5_BASE_ADDR, IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)))
598 printk(KERN_WARNING "Init of the debug board failed, all "
599 "devices on the debug board are unusable.\n");
601 imx31_add_mxc_mmc(0, &sdhc1_pdata);
604 static void __init mx31_3ds_timer_init(void)
606 mx31_clocks_init(26000000);
609 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
610 /* Maintainer: Freescale Semiconductor, Inc. */
611 .atag_offset = 0x100,
612 .map_io = mx31_map_io,
613 .init_early = imx31_init_early,
614 .init_irq = mx31_init_irq,
615 .init_time = mx31_3ds_timer_init,
616 .init_machine = mx31_3ds_init,
617 .init_late = mx31_3ds_late,
618 .restart = mxc_restart,