2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
7 * Copyright (C) 2011 Meprolight, Ltd.
8 * Alex Gershgorin <alexg@meprolight.com>
10 * Modified from i.MX31 3-Stack Development System
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
24 * This machine is known as:
25 * - i.MX35 3-Stack Development System
26 * - i.MX35 Platform Development Kit (i.MX35 PDK)
29 #include <linux/types.h>
30 #include <linux/init.h>
31 #include <linux/platform_device.h>
32 #include <linux/memory.h>
33 #include <linux/gpio.h>
34 #include <linux/usb/otg.h>
36 #include <linux/mtd/physmap.h>
37 #include <linux/mfd/mc13892.h>
38 #include <linux/regulator/machine.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43 #include <asm/mach/map.h>
45 #include <video/platform_lcd.h>
47 #include "3ds_debugboard.h"
49 #include "devices-imx35.h"
52 #include "iomux-mx35.h"
54 #define GPIO_MC9S08DZ60_GPS_ENABLE 0
55 #define GPIO_MC9S08DZ60_HDD_ENABLE 4
56 #define GPIO_MC9S08DZ60_WIFI_ENABLE 5
57 #define GPIO_MC9S08DZ60_LCD_ENABLE 6
58 #define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
60 static const struct fb_videomode fb_modedb[] = {
63 .name = "Ceramate-CLAA070VC01",
74 .sync = FB_SYNC_OE_ACT_HIGH,
75 .vmode = FB_VMODE_NONINTERLACED,
80 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
81 .name = "Ceramate-CLAA070VC01",
83 .num_modes = ARRAY_SIZE(fb_modedb),
86 static struct i2c_board_info __initdata i2c_devices_3ds[] = {
88 I2C_BOARD_INFO("mc9s08dz60", 0x69),
92 static int lcd_power_gpio = -ENXIO;
94 static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
96 return !strcmp(chip->label, data);
99 static void mx35_3ds_lcd_set_power(
100 struct plat_lcd_data *pd, unsigned int power)
102 struct gpio_chip *chip;
104 if (!gpio_is_valid(lcd_power_gpio)) {
105 chip = gpiochip_find(
106 "mc9s08dz60", mc9s08dz60_gpiochip_match);
109 chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
110 if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
111 pr_err("error: gpio already requested!\n");
112 lcd_power_gpio = -ENXIO;
115 pr_err("error: didn't find mc9s08dz60 gpio chip\n");
119 if (gpio_is_valid(lcd_power_gpio))
120 gpio_set_value_cansleep(lcd_power_gpio, power);
123 static struct plat_lcd_data mx35_3ds_lcd_data = {
124 .set_power = mx35_3ds_lcd_set_power,
127 static struct platform_device mx35_3ds_lcd = {
128 .name = "platform-lcd",
129 .dev.platform_data = &mx35_3ds_lcd_data,
132 static const struct imxuart_platform_data uart_pdata __initconst = {
133 .flags = IMXUART_HAVE_RTSCTS,
136 static struct physmap_flash_data mx35pdk_flash_data = {
140 static struct resource mx35pdk_flash_resource = {
141 .start = MX35_CS0_BASE_ADDR,
142 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
143 .flags = IORESOURCE_MEM,
146 static struct platform_device mx35pdk_flash = {
147 .name = "physmap-flash",
150 .platform_data = &mx35pdk_flash_data,
152 .resource = &mx35pdk_flash_resource,
156 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
162 static struct platform_device *devices[] __initdata = {
166 static const iomux_v3_cfg_t mx35pdk_pads[] __initconst = {
168 MX35_PAD_CTS1__UART1_CTS,
169 MX35_PAD_RTS1__UART1_RTS,
170 MX35_PAD_TXD1__UART1_TXD_MUX,
171 MX35_PAD_RXD1__UART1_RXD_MUX,
173 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
174 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
175 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
176 MX35_PAD_FEC_COL__FEC_COL,
177 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
178 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
179 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
180 MX35_PAD_FEC_MDC__FEC_MDC,
181 MX35_PAD_FEC_MDIO__FEC_MDIO,
182 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
183 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
184 MX35_PAD_FEC_CRS__FEC_CRS,
185 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
186 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
187 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
188 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
189 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
190 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
192 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
193 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
195 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
196 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
198 MX35_PAD_SD1_CMD__ESDHC1_CMD,
199 MX35_PAD_SD1_CLK__ESDHC1_CLK,
200 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
201 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
202 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
203 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
205 MX35_PAD_I2C1_CLK__I2C1_SCL,
206 MX35_PAD_I2C1_DAT__I2C1_SDA,
208 MX35_PAD_LD0__IPU_DISPB_DAT_0,
209 MX35_PAD_LD1__IPU_DISPB_DAT_1,
210 MX35_PAD_LD2__IPU_DISPB_DAT_2,
211 MX35_PAD_LD3__IPU_DISPB_DAT_3,
212 MX35_PAD_LD4__IPU_DISPB_DAT_4,
213 MX35_PAD_LD5__IPU_DISPB_DAT_5,
214 MX35_PAD_LD6__IPU_DISPB_DAT_6,
215 MX35_PAD_LD7__IPU_DISPB_DAT_7,
216 MX35_PAD_LD8__IPU_DISPB_DAT_8,
217 MX35_PAD_LD9__IPU_DISPB_DAT_9,
218 MX35_PAD_LD10__IPU_DISPB_DAT_10,
219 MX35_PAD_LD11__IPU_DISPB_DAT_11,
220 MX35_PAD_LD12__IPU_DISPB_DAT_12,
221 MX35_PAD_LD13__IPU_DISPB_DAT_13,
222 MX35_PAD_LD14__IPU_DISPB_DAT_14,
223 MX35_PAD_LD15__IPU_DISPB_DAT_15,
224 MX35_PAD_LD16__IPU_DISPB_DAT_16,
225 MX35_PAD_LD17__IPU_DISPB_DAT_17,
226 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
227 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
228 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
229 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
230 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
231 MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
232 MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
234 MX35_PAD_GPIO2_0__GPIO2_0,
237 static struct regulator_consumer_supply sw1_consumers[] = {
243 static struct regulator_consumer_supply vcam_consumers[] = {
245 REGULATOR_SUPPLY("VDDA", "0-000a"),
248 static struct regulator_init_data sw1_init = {
253 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
254 .valid_modes_mask = 0,
258 .num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
259 .consumer_supplies = sw1_consumers,
262 static struct regulator_init_data sw2_init = {
270 static struct regulator_init_data sw3_init = {
278 static struct regulator_init_data sw4_init = {
286 static struct regulator_init_data viohi_init = {
293 static struct regulator_init_data vusb_init = {
300 static struct regulator_init_data vdig_init = {
307 static struct regulator_init_data vpll_init = {
314 static struct regulator_init_data vusb2_init = {
321 static struct regulator_init_data vvideo_init = {
328 static struct regulator_init_data vcam_init = {
333 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
334 REGULATOR_CHANGE_MODE,
335 .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
338 .num_consumer_supplies = ARRAY_SIZE(vcam_consumers),
339 .consumer_supplies = vcam_consumers,
342 static struct regulator_init_data vgen1_init = {
348 static struct regulator_init_data vgen2_init = {
355 static struct regulator_init_data vgen3_init = {
361 static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = {
362 { .id = MC13892_SW1, .init_data = &sw1_init },
363 { .id = MC13892_SW2, .init_data = &sw2_init },
364 { .id = MC13892_SW3, .init_data = &sw3_init },
365 { .id = MC13892_SW4, .init_data = &sw4_init },
366 { .id = MC13892_VIOHI, .init_data = &viohi_init },
367 { .id = MC13892_VPLL, .init_data = &vpll_init },
368 { .id = MC13892_VDIG, .init_data = &vdig_init },
369 { .id = MC13892_VUSB2, .init_data = &vusb2_init },
370 { .id = MC13892_VVIDEO, .init_data = &vvideo_init },
371 { .id = MC13892_VCAM, .init_data = &vcam_init },
372 { .id = MC13892_VGEN1, .init_data = &vgen1_init },
373 { .id = MC13892_VGEN2, .init_data = &vgen2_init },
374 { .id = MC13892_VGEN3, .init_data = &vgen3_init },
375 { .id = MC13892_VUSB, .init_data = &vusb_init },
378 static struct mc13xxx_platform_data mx35_3ds_mc13892_data = {
379 .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
381 .num_regulators = ARRAY_SIZE(mx35_3ds_regulators),
382 .regulators = mx35_3ds_regulators,
386 #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
388 static struct i2c_board_info mx35_3ds_i2c_mc13892 = {
390 I2C_BOARD_INFO("mc13892", 0x08),
391 .platform_data = &mx35_3ds_mc13892_data,
392 /* irq number is run-time assigned */
395 static void __init imx35_3ds_init_mc13892(void)
397 int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq");
400 pr_err("failed to get pmic irq: %d\n", ret);
404 mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT);
405 i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1);
408 static int mx35_3ds_otg_init(struct platform_device *pdev)
410 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
414 static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
415 .operating_mode = FSL_USB2_DR_DEVICE,
416 .phy_mode = FSL_USB2_PHY_UTMI_WIDE,
417 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
419 * ENGCM09152 also requires a hardware change.
420 * Please check the MX35 Chip Errata document for details.
424 static struct mxc_usbh_platform_data otg_pdata __initdata = {
425 .init = mx35_3ds_otg_init,
426 .portsc = MXC_EHCI_MODE_UTMI,
429 static int mx35_3ds_usbh_init(struct platform_device *pdev)
431 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
432 MXC_EHCI_INTERNAL_PHY);
435 /* USB HOST config */
436 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
437 .init = mx35_3ds_usbh_init,
438 .portsc = MXC_EHCI_MODE_SERIAL,
441 static bool otg_mode_host __initdata;
443 static int __init mx35_3ds_otg_mode(char *options)
445 if (!strcmp(options, "host"))
446 otg_mode_host = true;
447 else if (!strcmp(options, "device"))
448 otg_mode_host = false;
450 pr_info("otg_mode neither \"host\" nor \"device\". "
451 "Defaulting to device\n");
454 __setup("otg_mode=", mx35_3ds_otg_mode);
456 static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
461 * Board specific initialization.
463 static void __init mx35_3ds_init(void)
467 mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
470 imx35_add_imx2_wdt();
472 platform_add_devices(devices, ARRAY_SIZE(devices));
474 imx35_add_imx_uart0(&uart_pdata);
477 imx35_add_mxc_ehci_otg(&otg_pdata);
479 imx35_add_mxc_ehci_hs(&usb_host_pdata);
482 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
484 imx35_add_mxc_nand(&mx35pdk_nand_board_info);
485 imx35_add_sdhci_esdhc_imx(0, NULL);
487 imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
489 i2c_register_board_info(
490 0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
492 imx35_add_ipu_core();
495 static void __init mx35_3ds_late_init(void)
497 struct platform_device *imx35_fb_pdev;
499 if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1)))
500 pr_warn("Init of the debugboard failed, all "
501 "devices on the debugboard are unusable.\n");
503 imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
504 mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
505 platform_device_register(&mx35_3ds_lcd);
507 imx35_3ds_init_mc13892();
510 static void __init mx35pdk_timer_init(void)
515 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
516 /* Maintainer: Freescale Semiconductor, Inc */
517 .atag_offset = 0x100,
518 .map_io = mx35_map_io,
519 .init_early = imx35_init_early,
520 .init_irq = mx35_init_irq,
521 .init_time = mx35pdk_timer_init,
522 .init_machine = mx35_3ds_init,
523 .init_late = mx35_3ds_late_init,
524 .restart = mxc_restart,