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board-omap3evm.c
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1 /*
2  * linux/arch/arm/mach-omap2/board-omap3evm.c
3  *
4  * Copyright (C) 2008 Texas Instruments
5  *
6  * Modified from mach-omap2/board-3430sdp.c
7  *
8  * Initial code: Syed Mohammed Khasim
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
21 #include <linux/gpio.h>
22 #include <linux/input.h>
23 #include <linux/input/matrix_keypad.h>
24 #include <linux/leds.h>
25 #include <linux/interrupt.h>
26 
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/mtd/nand.h>
30 
31 #include <linux/spi/spi.h>
32 #include <linux/spi/ads7846.h>
33 #include <linux/i2c/twl.h>
34 #include <linux/usb/otg.h>
35 #include <linux/usb/nop-usb-xceiv.h>
36 #include <linux/smsc911x.h>
37 
38 #include <linux/wl12xx.h>
39 #include <linux/regulator/fixed.h>
40 #include <linux/regulator/machine.h>
41 #include <linux/mmc/host.h>
42 #include <linux/export.h>
43 
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <asm/mach/map.h>
47 
48 #include <plat/usb.h>
49 #include <linux/platform_data/mtd-nand-omap2.h>
50 #include "common.h"
51 #include <linux/platform_data/spi-omap2-mcspi.h>
52 #include <video/omapdss.h>
53 #include <video/omap-panel-tfp410.h>
54 
55 #include "mux.h"
56 #include "sdram-micron-mt46h32m32lf-6.h"
57 #include "hsmmc.h"
58 #include "common-board-devices.h"
59 
60 #define OMAP3_EVM_TS_GPIO 175
61 #define OMAP3_EVM_EHCI_VBUS 22
62 #define OMAP3_EVM_EHCI_SELECT 61
63 
64 #define OMAP3EVM_ETHR_START 0x2c000000
65 #define OMAP3EVM_ETHR_SIZE 1024
66 #define OMAP3EVM_ETHR_ID_REV 0x50
67 #define OMAP3EVM_ETHR_GPIO_IRQ 176
68 #define OMAP3EVM_SMSC911X_CS 5
69 /*
70  * Eth Reset signal
71  * 64 = Generation 1 (<=RevD)
72  * 7 = Generation 2 (>=RevE)
73  */
74 #define OMAP3EVM_GEN1_ETHR_GPIO_RST 64
75 #define OMAP3EVM_GEN2_ETHR_GPIO_RST 7
76 
77 /*
78  * OMAP35x EVM revision
79  * Run time detection of EVM revision is done by reading Ethernet
80  * PHY ID -
81  * GEN_1 = 0x01150000
82  * GEN_2 = 0x92200000
83  */
84 enum {
85  OMAP3EVM_BOARD_GEN_1 = 0, /* EVM Rev between A - D */
86  OMAP3EVM_BOARD_GEN_2, /* EVM Rev >= Rev E */
87 };
88 
89 static u8 omap3_evm_version;
90 
91 static u8 get_omap3_evm_rev(void)
92 {
93  return omap3_evm_version;
94 }
95 
96 static void __init omap3_evm_get_revision(void)
97 {
98  void __iomem *ioaddr;
99  unsigned int smsc_id;
100 
101  /* Ethernet PHY ID is stored at ID_REV register */
102  ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
103  if (!ioaddr)
104  return;
105  smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
106  iounmap(ioaddr);
107 
108  switch (smsc_id) {
109  /*SMSC9115 chipset*/
110  case 0x01150000:
111  omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
112  break;
113  /*SMSC 9220 chipset*/
114  case 0x92200000:
115  default:
116  omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
117  }
118 }
119 
120 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
121 #include "gpmc-smsc911x.h"
122 
123 static struct omap_smsc911x_platform_data smsc911x_cfg = {
124  .cs = OMAP3EVM_SMSC911X_CS,
125  .gpio_irq = OMAP3EVM_ETHR_GPIO_IRQ,
126  .gpio_reset = -EINVAL,
127  .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
128 };
129 
130 static inline void __init omap3evm_init_smsc911x(void)
131 {
132  /* Configure ethernet controller reset gpio */
133  if (cpu_is_omap3430()) {
134  if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
135  smsc911x_cfg.gpio_reset = OMAP3EVM_GEN1_ETHR_GPIO_RST;
136  else
137  smsc911x_cfg.gpio_reset = OMAP3EVM_GEN2_ETHR_GPIO_RST;
138  }
139 
140  gpmc_smsc911x_init(&smsc911x_cfg);
141 }
142 
143 #else
144 static inline void __init omap3evm_init_smsc911x(void) { return; }
145 #endif
146 
147 /*
148  * OMAP3EVM LCD Panel control signals
149  */
150 #define OMAP3EVM_LCD_PANEL_LR 2
151 #define OMAP3EVM_LCD_PANEL_UD 3
152 #define OMAP3EVM_LCD_PANEL_INI 152
153 #define OMAP3EVM_LCD_PANEL_ENVDD 153
154 #define OMAP3EVM_LCD_PANEL_QVGA 154
155 #define OMAP3EVM_LCD_PANEL_RESB 155
156 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
157 #define OMAP3EVM_DVI_PANEL_EN_GPIO 199
158 
159 static struct gpio omap3_evm_dss_gpios[] __initdata = {
160  { OMAP3EVM_LCD_PANEL_RESB, GPIOF_OUT_INIT_HIGH, "lcd_panel_resb" },
161  { OMAP3EVM_LCD_PANEL_INI, GPIOF_OUT_INIT_HIGH, "lcd_panel_ini" },
162  { OMAP3EVM_LCD_PANEL_QVGA, GPIOF_OUT_INIT_LOW, "lcd_panel_qvga" },
163  { OMAP3EVM_LCD_PANEL_LR, GPIOF_OUT_INIT_HIGH, "lcd_panel_lr" },
164  { OMAP3EVM_LCD_PANEL_UD, GPIOF_OUT_INIT_HIGH, "lcd_panel_ud" },
165  { OMAP3EVM_LCD_PANEL_ENVDD, GPIOF_OUT_INIT_LOW, "lcd_panel_envdd" },
166 };
167 
168 static int lcd_enabled;
169 static int dvi_enabled;
170 
171 static void __init omap3_evm_display_init(void)
172 {
173  int r;
174 
175  r = gpio_request_array(omap3_evm_dss_gpios,
176  ARRAY_SIZE(omap3_evm_dss_gpios));
177  if (r)
178  printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
179 }
180 
181 static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
182 {
183  if (dvi_enabled) {
184  printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
185  return -EINVAL;
186  }
187  gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
188 
189  if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
190  gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
191  else
192  gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
193 
194  lcd_enabled = 1;
195  return 0;
196 }
197 
198 static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
199 {
200  gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
201 
202  if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
203  gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
204  else
205  gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
206 
207  lcd_enabled = 0;
208 }
209 
210 static struct omap_dss_device omap3_evm_lcd_device = {
211  .name = "lcd",
212  .driver_name = "sharp_ls_panel",
213  .type = OMAP_DISPLAY_TYPE_DPI,
214  .phy.dpi.data_lines = 18,
215  .platform_enable = omap3_evm_enable_lcd,
216  .platform_disable = omap3_evm_disable_lcd,
217 };
218 
219 static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
220 {
221  return 0;
222 }
223 
224 static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
225 {
226 }
227 
228 static struct omap_dss_device omap3_evm_tv_device = {
229  .name = "tv",
230  .driver_name = "venc",
231  .type = OMAP_DISPLAY_TYPE_VENC,
232  .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
233  .platform_enable = omap3_evm_enable_tv,
234  .platform_disable = omap3_evm_disable_tv,
235 };
236 
237 static struct tfp410_platform_data dvi_panel = {
238  .power_down_gpio = OMAP3EVM_DVI_PANEL_EN_GPIO,
239 };
240 
241 static struct omap_dss_device omap3_evm_dvi_device = {
242  .name = "dvi",
243  .type = OMAP_DISPLAY_TYPE_DPI,
244  .driver_name = "tfp410",
245  .data = &dvi_panel,
246  .phy.dpi.data_lines = 24,
247 };
248 
249 static struct omap_dss_device *omap3_evm_dss_devices[] = {
250  &omap3_evm_lcd_device,
251  &omap3_evm_tv_device,
252  &omap3_evm_dvi_device,
253 };
254 
255 static struct omap_dss_board_info omap3_evm_dss_data = {
256  .num_devices = ARRAY_SIZE(omap3_evm_dss_devices),
257  .devices = omap3_evm_dss_devices,
258  .default_device = &omap3_evm_lcd_device,
259 };
260 
261 static struct regulator_consumer_supply omap3evm_vmmc1_supply[] = {
262  REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
263 };
264 
265 static struct regulator_consumer_supply omap3evm_vsim_supply[] = {
266  REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
267 };
268 
269 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
270 static struct regulator_init_data omap3evm_vmmc1 = {
271  .constraints = {
272  .min_uV = 1850000,
273  .max_uV = 3150000,
274  .valid_modes_mask = REGULATOR_MODE_NORMAL
275  | REGULATOR_MODE_STANDBY,
276  .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
277  | REGULATOR_CHANGE_MODE
278  | REGULATOR_CHANGE_STATUS,
279  },
280  .num_consumer_supplies = ARRAY_SIZE(omap3evm_vmmc1_supply),
281  .consumer_supplies = omap3evm_vmmc1_supply,
282 };
283 
284 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
285 static struct regulator_init_data omap3evm_vsim = {
286  .constraints = {
287  .min_uV = 1800000,
288  .max_uV = 3000000,
289  .valid_modes_mask = REGULATOR_MODE_NORMAL
290  | REGULATOR_MODE_STANDBY,
291  .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
292  | REGULATOR_CHANGE_MODE
293  | REGULATOR_CHANGE_STATUS,
294  },
295  .num_consumer_supplies = ARRAY_SIZE(omap3evm_vsim_supply),
296  .consumer_supplies = omap3evm_vsim_supply,
297 };
298 
299 static struct omap2_hsmmc_info mmc[] = {
300  {
301  .mmc = 1,
302  .caps = MMC_CAP_4_BIT_DATA,
303  .gpio_cd = -EINVAL,
304  .gpio_wp = 63,
305  .deferred = true,
306  },
307 #ifdef CONFIG_WL12XX_PLATFORM_DATA
308  {
309  .name = "wl1271",
310  .mmc = 2,
311  .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
312  .gpio_wp = -EINVAL,
313  .gpio_cd = -EINVAL,
314  .nonremovable = true,
315  },
316 #endif
317  {} /* Terminator */
318 };
319 
320 static struct gpio_led gpio_leds[] = {
321  {
322  .name = "omap3evm::ledb",
323  /* normally not visible (board underside) */
324  .default_trigger = "default-on",
325  .gpio = -EINVAL, /* gets replaced */
326  .active_low = true,
327  },
328 };
329 
330 static struct gpio_led_platform_data gpio_led_info = {
331  .leds = gpio_leds,
332  .num_leds = ARRAY_SIZE(gpio_leds),
333 };
334 
335 static struct platform_device leds_gpio = {
336  .name = "leds-gpio",
337  .id = -1,
338  .dev = {
339  .platform_data = &gpio_led_info,
340  },
341 };
342 
343 
344 static int omap3evm_twl_gpio_setup(struct device *dev,
345  unsigned gpio, unsigned ngpio)
346 {
347  int r, lcd_bl_en;
348 
349  /* gpio + 0 is "mmc0_cd" (input/IRQ) */
350  mmc[0].gpio_cd = gpio + 0;
351  omap_hsmmc_late_init(mmc);
352 
353  /*
354  * Most GPIOs are for USB OTG. Some are mostly sent to
355  * the P2 connector; notably LEDA for the LCD backlight.
356  */
357 
358  /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
359  lcd_bl_en = get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2 ?
360  GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
361  r = gpio_request_one(gpio + TWL4030_GPIO_MAX, lcd_bl_en, "EN_LCD_BKL");
362  if (r)
363  printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");
364 
365  /* gpio + 7 == DVI Enable */
366  gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
367 
368  /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
369  gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 1;
370 
371  platform_device_register(&leds_gpio);
372 
373  /* Enable VBUS switch by setting TWL4030.GPIO2DIR as output
374  * for starting USB tranceiver
375  */
376 #ifdef CONFIG_TWL4030_CORE
377  if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
378  u8 val;
379 
380  twl_i2c_read_u8(TWL4030_MODULE_GPIO, &val, REG_GPIODATADIR1);
381  val |= 0x04; /* TWL4030.GPIO2DIR BIT at GPIODATADIR1(0x9B) */
382  twl_i2c_write_u8(TWL4030_MODULE_GPIO, val, REG_GPIODATADIR1);
383  }
384 #endif
385 
386  return 0;
387 }
388 
389 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
390  .use_leds = true,
391  .setup = omap3evm_twl_gpio_setup,
392 };
393 
394 static uint32_t board_keymap[] = {
395  KEY(0, 0, KEY_LEFT),
396  KEY(0, 1, KEY_DOWN),
397  KEY(0, 2, KEY_ENTER),
398  KEY(0, 3, KEY_M),
399 
400  KEY(1, 0, KEY_RIGHT),
401  KEY(1, 1, KEY_UP),
402  KEY(1, 2, KEY_I),
403  KEY(1, 3, KEY_N),
404 
405  KEY(2, 0, KEY_A),
406  KEY(2, 1, KEY_E),
407  KEY(2, 2, KEY_J),
408  KEY(2, 3, KEY_O),
409 
410  KEY(3, 0, KEY_B),
411  KEY(3, 1, KEY_F),
412  KEY(3, 2, KEY_K),
413  KEY(3, 3, KEY_P)
414 };
415 
416 static struct matrix_keymap_data board_map_data = {
417  .keymap = board_keymap,
418  .keymap_size = ARRAY_SIZE(board_keymap),
419 };
420 
421 static struct twl4030_keypad_data omap3evm_kp_data = {
422  .keymap_data = &board_map_data,
423  .rows = 4,
424  .cols = 4,
425  .rep = 1,
426 };
427 
428 /* ads7846 on SPI */
429 static struct regulator_consumer_supply omap3evm_vio_supply[] = {
430  REGULATOR_SUPPLY("vcc", "spi1.0"),
431 };
432 
433 /* VIO for ads7846 */
434 static struct regulator_init_data omap3evm_vio = {
435  .constraints = {
436  .min_uV = 1800000,
437  .max_uV = 1800000,
438  .apply_uV = true,
439  .valid_modes_mask = REGULATOR_MODE_NORMAL
440  | REGULATOR_MODE_STANDBY,
441  .valid_ops_mask = REGULATOR_CHANGE_MODE
442  | REGULATOR_CHANGE_STATUS,
443  },
444  .num_consumer_supplies = ARRAY_SIZE(omap3evm_vio_supply),
445  .consumer_supplies = omap3evm_vio_supply,
446 };
447 
448 #ifdef CONFIG_WL12XX_PLATFORM_DATA
449 
450 #define OMAP3EVM_WLAN_PMENA_GPIO (150)
451 #define OMAP3EVM_WLAN_IRQ_GPIO (149)
452 
453 static struct regulator_consumer_supply omap3evm_vmmc2_supply[] = {
454  REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
455 };
456 
457 /* VMMC2 for driving the WL12xx module */
458 static struct regulator_init_data omap3evm_vmmc2 = {
459  .constraints = {
460  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
461  },
462  .num_consumer_supplies = ARRAY_SIZE(omap3evm_vmmc2_supply),
463  .consumer_supplies = omap3evm_vmmc2_supply,
464 };
465 
466 static struct fixed_voltage_config omap3evm_vwlan = {
467  .supply_name = "vwl1271",
468  .microvolts = 1800000, /* 1.80V */
469  .gpio = OMAP3EVM_WLAN_PMENA_GPIO,
470  .startup_delay = 70000, /* 70ms */
471  .enable_high = 1,
472  .enabled_at_boot = 0,
473  .init_data = &omap3evm_vmmc2,
474 };
475 
476 static struct platform_device omap3evm_wlan_regulator = {
477  .name = "reg-fixed-voltage",
478  .id = 1,
479  .dev = {
480  .platform_data = &omap3evm_vwlan,
481  },
482 };
483 
484 struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
485  .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
486 };
487 #endif
488 
489 /* VAUX2 for USB */
490 static struct regulator_consumer_supply omap3evm_vaux2_supplies[] = {
491  REGULATOR_SUPPLY("VDD_CSIPHY1", "omap3isp"), /* OMAP ISP */
492  REGULATOR_SUPPLY("VDD_CSIPHY2", "omap3isp"), /* OMAP ISP */
493  REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
494  REGULATOR_SUPPLY("vaux2", NULL),
495 };
496 
497 static struct regulator_init_data omap3evm_vaux2 = {
498  .constraints = {
499  .min_uV = 2800000,
500  .max_uV = 2800000,
501  .apply_uV = true,
502  .valid_modes_mask = REGULATOR_MODE_NORMAL
503  | REGULATOR_MODE_STANDBY,
504  .valid_ops_mask = REGULATOR_CHANGE_MODE
505  | REGULATOR_CHANGE_STATUS,
506  },
507  .num_consumer_supplies = ARRAY_SIZE(omap3evm_vaux2_supplies),
508  .consumer_supplies = omap3evm_vaux2_supplies,
509 };
510 
511 static struct twl4030_platform_data omap3evm_twldata = {
512  /* platform_data for children goes here */
513  .keypad = &omap3evm_kp_data,
514  .gpio = &omap3evm_gpio_data,
515  .vio = &omap3evm_vio,
516  .vmmc1 = &omap3evm_vmmc1,
517  .vsim = &omap3evm_vsim,
518 };
519 
520 static int __init omap3_evm_i2c_init(void)
521 {
522  omap3_pmic_get_config(&omap3evm_twldata,
523  TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
524  TWL_COMMON_PDATA_AUDIO,
525  TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
526 
527  omap3evm_twldata.vdac->constraints.apply_uV = true;
528  omap3evm_twldata.vpll2->constraints.apply_uV = true;
529 
530  omap3_pmic_init("twl4030", &omap3evm_twldata);
531  omap_register_i2c_bus(2, 400, NULL, 0);
532  omap_register_i2c_bus(3, 400, NULL, 0);
533  return 0;
534 }
535 
536 static struct usbhs_omap_board_data usbhs_bdata __initdata = {
537 
538  .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
539  .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
540  .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
541 
542  .phy_reset = true,
543  /* PHY reset GPIO will be runtime programmed based on EVM version */
544  .reset_gpio_port[0] = -EINVAL,
545  .reset_gpio_port[1] = -EINVAL,
546  .reset_gpio_port[2] = -EINVAL
547 };
548 
549 #ifdef CONFIG_OMAP_MUX
550 static struct omap_board_mux omap35x_board_mux[] __initdata = {
551  OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
552  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
553  OMAP_PIN_OFF_WAKEUPENABLE),
554  OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
555  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
556  OMAP_PIN_OFF_WAKEUPENABLE),
557  OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
558  OMAP_PIN_OFF_NONE),
559  OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
560  OMAP_PIN_OFF_NONE),
561 #ifdef CONFIG_WL12XX_PLATFORM_DATA
562  /* WLAN IRQ - GPIO 149 */
563  OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
564 
565  /* WLAN POWER ENABLE - GPIO 150 */
566  OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
567 
568  /* MMC2 SDIO pin muxes for WL12xx */
569  OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
570  OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
571  OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
572  OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
573  OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
574  OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
575 #endif
576  { .reg_offset = OMAP_MUX_TERMINATOR },
577 };
578 
579 static struct omap_board_mux omap36x_board_mux[] __initdata = {
580  OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
581  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
582  OMAP_PIN_OFF_WAKEUPENABLE),
583  OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
584  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
585  OMAP_PIN_OFF_WAKEUPENABLE),
586  /* AM/DM37x EVM: DSS data bus muxed with sys_boot */
587  OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
588  OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
589  OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
590  OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
591  OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
592  OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
593  OMAP3_MUX(SYS_BOOT0, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
594  OMAP3_MUX(SYS_BOOT1, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
595  OMAP3_MUX(SYS_BOOT3, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
596  OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
597  OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
598  OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
599 #ifdef CONFIG_WL12XX_PLATFORM_DATA
600  /* WLAN IRQ - GPIO 149 */
601  OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
602 
603  /* WLAN POWER ENABLE - GPIO 150 */
604  OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
605 
606  /* MMC2 SDIO pin muxes for WL12xx */
607  OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
608  OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
609  OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
610  OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
611  OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
612  OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
613 #endif
614 
615  { .reg_offset = OMAP_MUX_TERMINATOR },
616 };
617 #else
618 #define omap35x_board_mux NULL
619 #define omap36x_board_mux NULL
620 #endif
621 
622 static struct omap_musb_board_data musb_board_data = {
623  .interface_type = MUSB_INTERFACE_ULPI,
624  .mode = MUSB_OTG,
625  .power = 100,
626 };
627 
628 static struct gpio omap3_evm_ehci_gpios[] __initdata = {
629  { OMAP3_EVM_EHCI_VBUS, GPIOF_OUT_INIT_HIGH, "enable EHCI VBUS" },
630  { OMAP3_EVM_EHCI_SELECT, GPIOF_OUT_INIT_LOW, "select EHCI port" },
631 };
632 
633 static void __init omap3_evm_wl12xx_init(void)
634 {
635 #ifdef CONFIG_WL12XX_PLATFORM_DATA
636  int ret;
637 
638  /* WL12xx WLAN Init */
639  omap3evm_wlan_data.irq = gpio_to_irq(OMAP3EVM_WLAN_IRQ_GPIO);
640  ret = wl12xx_set_platform_data(&omap3evm_wlan_data);
641  if (ret)
642  pr_err("error setting wl12xx data: %d\n", ret);
643  ret = platform_device_register(&omap3evm_wlan_regulator);
644  if (ret)
645  pr_err("error registering wl12xx device: %d\n", ret);
646 #endif
647 }
648 
649 static struct regulator_consumer_supply dummy_supplies[] = {
650  REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
651  REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
652 };
653 
654 static struct mtd_partition omap3evm_nand_partitions[] = {
655  /* All the partition sizes are listed in terms of NAND block size */
656  {
657  .name = "X-Loader",
658  .offset = 0,
659  .size = 4*(SZ_128K),
660  .mask_flags = MTD_WRITEABLE
661  },
662  {
663  .name = "U-Boot",
664  .offset = MTDPART_OFS_APPEND,
665  .size = 14*(SZ_128K),
666  .mask_flags = MTD_WRITEABLE
667  },
668  {
669  .name = "U-Boot Env",
670  .offset = MTDPART_OFS_APPEND,
671  .size = 2*(SZ_128K)
672  },
673  {
674  .name = "Kernel",
675  .offset = MTDPART_OFS_APPEND,
676  .size = 40*(SZ_128K)
677  },
678  {
679  .name = "File system",
680  .size = MTDPART_SIZ_FULL,
681  .offset = MTDPART_OFS_APPEND,
682  },
683 };
684 
685 static void __init omap3_evm_init(void)
686 {
687  struct omap_board_mux *obm;
688 
689  omap3_evm_get_revision();
690  regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
691 
692  obm = (cpu_is_omap3630()) ? omap36x_board_mux : omap35x_board_mux;
693  omap3_mux_init(obm, OMAP_PACKAGE_CBB);
694 
695  omap_mux_init_gpio(63, OMAP_PIN_INPUT);
696  omap_hsmmc_init(mmc);
697 
698  if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
699  omap3evm_twldata.vaux2 = &omap3evm_vaux2;
700 
701  omap3_evm_i2c_init();
702 
703  omap_display_init(&omap3_evm_dss_data);
704 
705  omap_serial_init();
706  omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
707 
708  /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
709  usb_nop_xceiv_register();
710 
711  if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
712  /* enable EHCI VBUS using GPIO22 */
713  omap_mux_init_gpio(OMAP3_EVM_EHCI_VBUS, OMAP_PIN_INPUT_PULLUP);
714  /* Select EHCI port on main board */
715  omap_mux_init_gpio(OMAP3_EVM_EHCI_SELECT,
716  OMAP_PIN_INPUT_PULLUP);
717  gpio_request_array(omap3_evm_ehci_gpios,
718  ARRAY_SIZE(omap3_evm_ehci_gpios));
719 
720  /* setup EHCI phy reset config */
721  omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
722  usbhs_bdata.reset_gpio_port[1] = 21;
723 
724  /* EVM REV >= E can supply 500mA with EXTVBUS programming */
725  musb_board_data.power = 500;
726  musb_board_data.extvbus = 1;
727  } else {
728  /* setup EHCI phy reset on MDC */
729  omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
730  usbhs_bdata.reset_gpio_port[1] = 135;
731  }
732  usb_musb_init(&musb_board_data);
733  usbhs_init(&usbhs_bdata);
734  omap_nand_flash_init(NAND_BUSWIDTH_16, omap3evm_nand_partitions,
735  ARRAY_SIZE(omap3evm_nand_partitions));
736 
737  omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
738  omap3evm_init_smsc911x();
739  omap3_evm_display_init();
740  omap3_evm_wl12xx_init();
741  omap_twl4030_audio_init("omap3evm");
742 }
743 
744 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
745  /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
746  .atag_offset = 0x100,
747  .reserve = omap_reserve,
748  .map_io = omap3_map_io,
749  .init_early = omap35xx_init_early,
750  .init_irq = omap3_init_irq,
751  .handle_irq = omap3_intc_handle_irq,
752  .init_machine = omap3_evm_init,
753  .init_late = omap35xx_init_late,
754  .timer = &omap3_timer,
755  .restart = omap_prcm_restart,
756 MACHINE_END
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