1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
6 #include <linux/delay.h>
7 #include <linux/dma-mapping.h>
8 #include <linux/types.h>
9 #include <linux/init.h>
10 #include <linux/clk.h>
11 #include <linux/irq.h>
12 #include <linux/gpio.h>
13 #include <linux/platform_device.h>
14 #include <linux/mfd/mc13783.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/l4f00242t03.h>
17 #include <linux/regulator/machine.h>
18 #include <linux/usb/otg.h>
19 #include <linux/usb/ulpi.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/time.h>
24 #include <asm/memory.h>
25 #include <asm/mach/map.h>
27 #include "3ds_debugboard.h"
29 #include "devices-imx31.h"
32 #include "iomux-mx3.h"
35 static int mx31_3ds_pins[] = {
41 IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
43 IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_ALT1),
44 IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_ALT1),
46 MX31_PIN_CSPI2_SCLK__SCLK,
47 MX31_PIN_CSPI2_MOSI__MOSI,
48 MX31_PIN_CSPI2_MISO__MISO,
49 MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
50 MX31_PIN_CSPI2_SS0__SS0,
51 MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */
53 IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO),
55 IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO),
57 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
58 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
59 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
60 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
61 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
62 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
63 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
64 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
65 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
66 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
67 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
68 MX31_PIN_USBOTG_STP__USBOTG_STP,
70 MX31_PIN_KEY_ROW0_KEY_ROW0,
71 MX31_PIN_KEY_ROW1_KEY_ROW1,
72 MX31_PIN_KEY_ROW2_KEY_ROW2,
73 MX31_PIN_KEY_COL0_KEY_COL0,
74 MX31_PIN_KEY_COL1_KEY_COL1,
75 MX31_PIN_KEY_COL2_KEY_COL2,
76 MX31_PIN_KEY_COL3_KEY_COL3,
78 IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
79 IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
80 IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
81 IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
82 IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
83 IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
84 IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT1),
85 IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT1),
86 IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT1),
87 IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT1),
88 IOMUX_MODE(MX31_PIN_IOIS16, IOMUX_CONFIG_ALT1),
89 IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1),
91 IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO),
93 MX31_PIN_I2C_CLK__I2C1_SCL,
94 MX31_PIN_I2C_DAT__I2C1_SDA,
96 MX31_PIN_SD1_DATA3__SD1_DATA3,
97 MX31_PIN_SD1_DATA2__SD1_DATA2,
98 MX31_PIN_SD1_DATA1__SD1_DATA1,
99 MX31_PIN_SD1_DATA0__SD1_DATA0,
100 MX31_PIN_SD1_CLK__SD1_CLK,
101 MX31_PIN_SD1_CMD__SD1_CMD,
102 MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
103 MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
123 MX31_PIN_VSYNC3__VSYNC3,
124 MX31_PIN_HSYNC__HSYNC,
125 MX31_PIN_FPSHIFT__FPSHIFT,
126 MX31_PIN_CONTRAST__CONTRAST,
128 MX31_PIN_STXD4__STXD4,
129 MX31_PIN_SRXD4__SRXD4,
137 static const struct fb_videomode fb_modedb[] = {
138 { /* 480x640 @ 60 Hz */
150 .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
151 .vmode = FB_VMODE_NONINTERLACED,
156 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
159 .num_modes = ARRAY_SIZE(fb_modedb),
163 static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
164 .reset_gpio = IOMUX_TO_GPIO(MX31_PIN_LCS1),
165 .data_enable_gpio = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
169 * Support for SD card slot in personality board
171 #define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
172 #define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
174 static struct gpio mx31_3ds_sdhc1_gpios[] = {
175 { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" },
176 { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" },
179 static int mx31_3ds_sdhc1_init(struct device *dev,
180 irq_handler_t detect_irq,
185 ret = gpio_request_array(mx31_3ds_sdhc1_gpios,
186 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
188 pr_warn("Unable to request the SD/MMC GPIOs.\n");
192 ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)),
194 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
195 "sdhc1-detect", data);
197 pr_warn("Unable to request the SD/MMC card-detect IRQ.\n");
204 gpio_free_array(mx31_3ds_sdhc1_gpios,
205 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
209 static void mx31_3ds_sdhc1_exit(struct device *dev, void *data)
211 free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)), data);
212 gpio_free_array(mx31_3ds_sdhc1_gpios,
213 ARRAY_SIZE(mx31_3ds_sdhc1_gpios));
216 static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd)
219 * While the voltage stuff is done by the driver, activate the
220 * Buffer Enable Pin only if there is a card in slot to fix the card
221 * voltage issue caused by bi-directional chip TXB0108 on 3Stack.
222 * Done here because at this stage we have for sure a debounced value
223 * of the presence of the card, showed by the value of vdd.
224 * 7 == ilog2(MMC_VDD_165_195)
227 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1);
229 gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0);
232 static struct imxmmc_platform_data sdhc1_pdata = {
233 .init = mx31_3ds_sdhc1_init,
234 .exit = mx31_3ds_sdhc1_exit,
235 .setpower = mx31_3ds_sdhc1_setpower,
242 static const uint32_t mx31_3ds_keymap[] = {
245 KEY(1, 0, KEY_RIGHT),
247 KEY(1, 2, KEY_ENTER),
254 static const struct matrix_keymap_data mx31_3ds_keymap_data __initconst = {
255 .keymap = mx31_3ds_keymap,
256 .keymap_size = ARRAY_SIZE(mx31_3ds_keymap),
260 static struct regulator_init_data pwgtx_init = {
267 static struct regulator_init_data gpo_init = {
274 static struct regulator_consumer_supply vmmc2_consumers[] = {
275 REGULATOR_SUPPLY("vmmc", "imx31-mmc.0"),
278 static struct regulator_init_data vmmc2_init = {
282 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
283 REGULATOR_CHANGE_STATUS,
285 .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers),
286 .consumer_supplies = vmmc2_consumers,
289 static struct regulator_consumer_supply vmmc1_consumers[] = {
290 REGULATOR_SUPPLY("vcore", "spi0.0"),
293 static struct regulator_init_data vmmc1_init = {
298 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
299 REGULATOR_CHANGE_STATUS,
301 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
302 .consumer_supplies = vmmc1_consumers,
305 static struct regulator_consumer_supply vgen_consumers[] = {
306 REGULATOR_SUPPLY("vdd", "spi0.0"),
309 static struct regulator_init_data vgen_init = {
314 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
315 REGULATOR_CHANGE_STATUS,
317 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
318 .consumer_supplies = vgen_consumers,
321 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
323 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
324 .init_data = &pwgtx_init,
326 .id = MC13783_REG_PWGT2SPI, /* Power Gate for L2 Cache. */
327 .init_data = &pwgtx_init,
330 .id = MC13783_REG_GPO1, /* Turn on 1.8V */
331 .init_data = &gpo_init,
333 .id = MC13783_REG_GPO3, /* Turn on 3.3V */
334 .init_data = &gpo_init,
336 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
337 .init_data = &vmmc2_init,
339 .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
340 .init_data = &vmmc1_init,
342 .id = MC13783_REG_VGEN, /* Power LCD */
343 .init_data = &vgen_init,
348 static struct mc13xxx_codec_platform_data mx31_3ds_codec = {
349 .dac_ssi_port = MC13783_SSI1_PORT,
350 .adc_ssi_port = MC13783_SSI1_PORT,
353 static struct mc13xxx_platform_data mc13783_pdata = {
355 .regulators = mx31_3ds_regulators,
356 .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
358 .codec = &mx31_3ds_codec,
359 .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | MC13XXX_USE_CODEC,
363 static struct imx_ssi_platform_data mx31_3ds_ssi_pdata = {
364 .flags = IMX_SSI_DMA | IMX_SSI_NET,
368 static const struct spi_imx_master spi0_pdata __initconst = {
372 static const struct spi_imx_master spi1_pdata __initconst = {
376 static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
378 .modalias = "mc13783",
379 .max_speed_hz = 1000000,
381 .chip_select = 2, /* SS2 */
382 .platform_data = &mc13783_pdata,
383 /* irq number is run-time assigned */
386 .modalias = "l4f00242t03",
387 .max_speed_hz = 5000000,
389 .chip_select = 2, /* SS2 */
390 .platform_data = &mx31_3ds_l4f00242t03_pdata,
397 static const struct mxc_nand_platform_data
398 mx31_3ds_nand_board_info __initconst = {
401 #ifdef CONFIG_MACH_MX31_3DS_MXC_NAND_USE_BBT
410 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
411 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
413 #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR)
414 #define USBH2_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_BYP)
416 static int mx31_3ds_usbotg_init(void)
420 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
421 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
422 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
423 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
424 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
425 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
426 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
427 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
428 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
429 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
430 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
431 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
433 err = gpio_request(USBOTG_RST_B, "otgusb-reset");
435 pr_err("Failed to request the USB OTG reset gpio\n");
439 err = gpio_direction_output(USBOTG_RST_B, 0);
441 pr_err("Failed to drive the USB OTG reset gpio\n");
442 goto usbotg_free_reset;
446 gpio_set_value(USBOTG_RST_B, 1);
450 gpio_free(USBOTG_RST_B);
454 static int mx31_3ds_otg_init(struct platform_device *pdev)
456 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
459 static int mx31_3ds_host2_init(struct platform_device *pdev)
463 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
464 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
465 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
466 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
467 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
468 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
469 mxc_iomux_set_pad(MX31_PIN_PC_VS2, USB_PAD_CFG);
470 mxc_iomux_set_pad(MX31_PIN_PC_BVD1, USB_PAD_CFG);
471 mxc_iomux_set_pad(MX31_PIN_PC_BVD2, USB_PAD_CFG);
472 mxc_iomux_set_pad(MX31_PIN_PC_RST, USB_PAD_CFG);
473 mxc_iomux_set_pad(MX31_PIN_IOIS16, USB_PAD_CFG);
474 mxc_iomux_set_pad(MX31_PIN_PC_RW_B, USB_PAD_CFG);
476 err = gpio_request(USBH2_RST_B, "usbh2-reset");
478 pr_err("Failed to request the USB Host 2 reset gpio\n");
482 err = gpio_direction_output(USBH2_RST_B, 0);
484 pr_err("Failed to drive the USB Host 2 reset gpio\n");
485 goto usbotg_free_reset;
489 gpio_set_value(USBH2_RST_B, 1);
493 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
496 gpio_free(USBH2_RST_B);
500 static struct mxc_usbh_platform_data otg_pdata __initdata = {
501 .init = mx31_3ds_otg_init,
502 .portsc = MXC_EHCI_MODE_ULPI,
505 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
506 .init = mx31_3ds_host2_init,
507 .portsc = MXC_EHCI_MODE_ULPI,
510 static const struct fsl_usb2_platform_data usbotg_pdata __initconst = {
511 .operating_mode = FSL_USB2_DR_DEVICE,
512 .phy_mode = FSL_USB2_PHY_ULPI,
515 static bool otg_mode_host __initdata;
517 static int __init mx31_3ds_otg_mode(char *options)
519 if (!strcmp(options, "host"))
520 otg_mode_host = true;
521 else if (!strcmp(options, "device"))
522 otg_mode_host = false;
524 pr_info("otg_mode neither \"host\" nor \"device\". "
525 "Defaulting to device\n");
528 __setup("otg_mode=", mx31_3ds_otg_mode);
530 static const struct imxuart_platform_data uart_pdata __initconst = {
531 .flags = IMXUART_HAVE_RTSCTS,
534 static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = {
538 static void __init mx31_3ds_init(void)
542 /* Configure SPI1 IOMUX */
543 mxc_iomux_set_gpr(MUX_PGP_CSPI_BB, true);
545 mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins),
548 imx31_add_imx_uart0(&uart_pdata);
549 imx31_add_mxc_nand(&mx31_3ds_nand_board_info);
551 imx31_add_spi_imx1(&spi1_pdata);
553 imx31_add_imx_keypad(&mx31_3ds_keymap_data);
555 imx31_add_imx2_wdt();
556 imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
558 imx31_add_spi_imx0(&spi0_pdata);
559 imx31_add_ipu_core();
560 imx31_add_mx3_sdc_fb(&mx3fb_pdata);
562 imx31_add_imx_ssi(0, &mx31_3ds_ssi_pdata);
564 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
567 static void __init mx31_3ds_late(void)
569 mx31_3ds_spi_devs[0].irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
570 spi_register_board_info(mx31_3ds_spi_devs,
571 ARRAY_SIZE(mx31_3ds_spi_devs));
573 mx31_3ds_usbotg_init();
575 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
576 ULPI_OTG_DRVVBUS_EXT);
578 imx31_add_mxc_ehci_otg(&otg_pdata);
580 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
581 ULPI_OTG_DRVVBUS_EXT);
583 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
586 imx31_add_fsl_usb2_udc(&usbotg_pdata);
588 if (mxc_expio_init(MX31_CS5_BASE_ADDR, IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)))
589 printk(KERN_WARNING "Init of the debug board failed, all "
590 "devices on the debug board are unusable.\n");
592 imx31_add_mxc_mmc(0, &sdhc1_pdata);
595 static void __init mx31_3ds_timer_init(void)
597 mx31_clocks_init(26000000);
600 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
601 /* Maintainer: Freescale Semiconductor, Inc. */
602 .atag_offset = 0x100,
603 .map_io = mx31_map_io,
604 .init_early = imx31_init_early,
605 .init_irq = mx31_init_irq,
606 .init_time = mx31_3ds_timer_init,
607 .init_machine = mx31_3ds_init,
608 .init_late = mx31_3ds_late,
609 .restart = mxc_restart,