projects / deliverable / linux.git / blob
? search:


376ea87dce68a6fabd9cd8febebd386700d68a37
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3evm.c
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/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/i2c/twl.h>
30 #include <linux/usb/otg.h>
31 #include <linux/smsc911x.h>
32
33 #include <linux/wl12xx.h>
34 #include <linux/regulator/fixed.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/mmc/host.h>
37
38 #include <mach/hardware.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42
43 #include <plat/board.h>
44 #include <plat/usb.h>
45 #include <plat/common.h>
46 #include <plat/mcspi.h>
47 #include <plat/display.h>
48 #include <plat/panel-generic-dpi.h>
49
50 #include "mux.h"
51 #include "sdram-micron-mt46h32m32lf-6.h"
52 #include "hsmmc.h"
53 #include "common-board-devices.h"
54
55 #define OMAP3_EVM_TS_GPIO 175
56 #define OMAP3_EVM_EHCI_VBUS 22
57 #define OMAP3_EVM_EHCI_SELECT 61
58
59 #define OMAP3EVM_ETHR_START 0x2c000000
60 #define OMAP3EVM_ETHR_SIZE 1024
61 #define OMAP3EVM_ETHR_ID_REV 0x50
62 #define OMAP3EVM_ETHR_GPIO_IRQ 176
63 #define OMAP3EVM_SMSC911X_CS 5
64 /*
65 * Eth Reset signal
66 * 64 = Generation 1 (<=RevD)
67 * 7 = Generation 2 (>=RevE)
68 */
69 #define OMAP3EVM_GEN1_ETHR_GPIO_RST 64
70 #define OMAP3EVM_GEN2_ETHR_GPIO_RST 7
71
72 static u8 omap3_evm_version;
73
74 u8 get_omap3_evm_rev(void)
75 {
76 return omap3_evm_version;
77 }
78 EXPORT_SYMBOL(get_omap3_evm_rev);
79
80 static void __init omap3_evm_get_revision(void)
81 {
82 void __iomem *ioaddr;
83 unsigned int smsc_id;
84
85 /* Ethernet PHY ID is stored at ID_REV register */
86 ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
87 if (!ioaddr)
88 return;
89 smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
90 iounmap(ioaddr);
91
92 switch (smsc_id) {
93 /*SMSC9115 chipset*/
94 case 0x01150000:
95 omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
96 break;
97 /*SMSC 9220 chipset*/
98 case 0x92200000:
99 default:
100 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
101 }
102 }
103
104 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
105 #include <plat/gpmc-smsc911x.h>
106
107 static struct omap_smsc911x_platform_data smsc911x_cfg = {
108 .cs = OMAP3EVM_SMSC911X_CS,
109 .gpio_irq = OMAP3EVM_ETHR_GPIO_IRQ,
110 .gpio_reset = -EINVAL,
111 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
112 };
113
114 static inline void __init omap3evm_init_smsc911x(void)
115 {
116 struct clk *l3ck;
117 unsigned int rate;
118
119 l3ck = clk_get(NULL, "l3_ck");
120 if (IS_ERR(l3ck))
121 rate = 100000000;
122 else
123 rate = clk_get_rate(l3ck);
124
125 /* Configure ethernet controller reset gpio */
126 if (cpu_is_omap3430()) {
127 if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
128 smsc911x_cfg.gpio_reset = OMAP3EVM_GEN1_ETHR_GPIO_RST;
129 else
130 smsc911x_cfg.gpio_reset = OMAP3EVM_GEN2_ETHR_GPIO_RST;
131 }
132
133 gpmc_smsc911x_init(&smsc911x_cfg);
134 }
135
136 #else
137 static inline void __init omap3evm_init_smsc911x(void) { return; }
138 #endif
139
140 /*
141 * OMAP3EVM LCD Panel control signals
142 */
143 #define OMAP3EVM_LCD_PANEL_LR 2
144 #define OMAP3EVM_LCD_PANEL_UD 3
145 #define OMAP3EVM_LCD_PANEL_INI 152
146 #define OMAP3EVM_LCD_PANEL_ENVDD 153
147 #define OMAP3EVM_LCD_PANEL_QVGA 154
148 #define OMAP3EVM_LCD_PANEL_RESB 155
149 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
150 #define OMAP3EVM_DVI_PANEL_EN_GPIO 199
151
152 static int lcd_enabled;
153 static int dvi_enabled;
154
155 static void __init omap3_evm_display_init(void)
156 {
157 int r;
158
159 r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
160 if (r) {
161 printk(KERN_ERR "failed to get lcd_panel_resb\n");
162 return;
163 }
164 gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
165
166 r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
167 if (r) {
168 printk(KERN_ERR "failed to get lcd_panel_ini\n");
169 goto err_1;
170 }
171 gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
172
173 r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
174 if (r) {
175 printk(KERN_ERR "failed to get lcd_panel_qvga\n");
176 goto err_2;
177 }
178 gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
179
180 r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
181 if (r) {
182 printk(KERN_ERR "failed to get lcd_panel_lr\n");
183 goto err_3;
184 }
185 gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
186
187 r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
188 if (r) {
189 printk(KERN_ERR "failed to get lcd_panel_ud\n");
190 goto err_4;
191 }
192 gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
193
194 r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
195 if (r) {
196 printk(KERN_ERR "failed to get lcd_panel_envdd\n");
197 goto err_5;
198 }
199 gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
200
201 return;
202
203 err_5:
204 gpio_free(OMAP3EVM_LCD_PANEL_UD);
205 err_4:
206 gpio_free(OMAP3EVM_LCD_PANEL_LR);
207 err_3:
208 gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
209 err_2:
210 gpio_free(OMAP3EVM_LCD_PANEL_INI);
211 err_1:
212 gpio_free(OMAP3EVM_LCD_PANEL_RESB);
213
214 }
215
216 static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
217 {
218 if (dvi_enabled) {
219 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
220 return -EINVAL;
221 }
222 gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
223
224 if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
225 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
226 else
227 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
228
229 lcd_enabled = 1;
230 return 0;
231 }
232
233 static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
234 {
235 gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
236
237 if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
238 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
239 else
240 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
241
242 lcd_enabled = 0;
243 }
244
245 static struct omap_dss_device omap3_evm_lcd_device = {
246 .name = "lcd",
247 .driver_name = "sharp_ls_panel",
248 .type = OMAP_DISPLAY_TYPE_DPI,
249 .phy.dpi.data_lines = 18,
250 .platform_enable = omap3_evm_enable_lcd,
251 .platform_disable = omap3_evm_disable_lcd,
252 };
253
254 static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
255 {
256 return 0;
257 }
258
259 static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
260 {
261 }
262
263 static struct omap_dss_device omap3_evm_tv_device = {
264 .name = "tv",
265 .driver_name = "venc",
266 .type = OMAP_DISPLAY_TYPE_VENC,
267 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
268 .platform_enable = omap3_evm_enable_tv,
269 .platform_disable = omap3_evm_disable_tv,
270 };
271
272 static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
273 {
274 if (lcd_enabled) {
275 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
276 return -EINVAL;
277 }
278
279 gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
280
281 dvi_enabled = 1;
282 return 0;
283 }
284
285 static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
286 {
287 gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
288
289 dvi_enabled = 0;
290 }
291
292 static struct panel_generic_dpi_data dvi_panel = {
293 .name = "generic",
294 .platform_enable = omap3_evm_enable_dvi,
295 .platform_disable = omap3_evm_disable_dvi,
296 };
297
298 static struct omap_dss_device omap3_evm_dvi_device = {
299 .name = "dvi",
300 .type = OMAP_DISPLAY_TYPE_DPI,
301 .driver_name = "generic_dpi_panel",
302 .data = &dvi_panel,
303 .phy.dpi.data_lines = 24,
304 };
305
306 static struct omap_dss_device *omap3_evm_dss_devices[] = {
307 &omap3_evm_lcd_device,
308 &omap3_evm_tv_device,
309 &omap3_evm_dvi_device,
310 };
311
312 static struct omap_dss_board_info omap3_evm_dss_data = {
313 .num_devices = ARRAY_SIZE(omap3_evm_dss_devices),
314 .devices = omap3_evm_dss_devices,
315 .default_device = &omap3_evm_lcd_device,
316 };
317
318 static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
319 .supply = "vmmc",
320 };
321
322 static struct regulator_consumer_supply omap3evm_vsim_supply = {
323 .supply = "vmmc_aux",
324 };
325
326 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
327 static struct regulator_init_data omap3evm_vmmc1 = {
328 .constraints = {
329 .min_uV = 1850000,
330 .max_uV = 3150000,
331 .valid_modes_mask = REGULATOR_MODE_NORMAL
332 | REGULATOR_MODE_STANDBY,
333 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
334 | REGULATOR_CHANGE_MODE
335 | REGULATOR_CHANGE_STATUS,
336 },
337 .num_consumer_supplies = 1,
338 .consumer_supplies = &omap3evm_vmmc1_supply,
339 };
340
341 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
342 static struct regulator_init_data omap3evm_vsim = {
343 .constraints = {
344 .min_uV = 1800000,
345 .max_uV = 3000000,
346 .valid_modes_mask = REGULATOR_MODE_NORMAL
347 | REGULATOR_MODE_STANDBY,
348 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
349 | REGULATOR_CHANGE_MODE
350 | REGULATOR_CHANGE_STATUS,
351 },
352 .num_consumer_supplies = 1,
353 .consumer_supplies = &omap3evm_vsim_supply,
354 };
355
356 static struct omap2_hsmmc_info mmc[] = {
357 {
358 .mmc = 1,
359 .caps = MMC_CAP_4_BIT_DATA,
360 .gpio_cd = -EINVAL,
361 .gpio_wp = 63,
362 },
363 #ifdef CONFIG_WL12XX_PLATFORM_DATA
364 {
365 .name = "wl1271",
366 .mmc = 2,
367 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
368 .gpio_wp = -EINVAL,
369 .gpio_cd = -EINVAL,
370 .nonremovable = true,
371 },
372 #endif
373 {} /* Terminator */
374 };
375
376 static struct gpio_led gpio_leds[] = {
377 {
378 .name = "omap3evm::ledb",
379 /* normally not visible (board underside) */
380 .default_trigger = "default-on",
381 .gpio = -EINVAL, /* gets replaced */
382 .active_low = true,
383 },
384 };
385
386 static struct gpio_led_platform_data gpio_led_info = {
387 .leds = gpio_leds,
388 .num_leds = ARRAY_SIZE(gpio_leds),
389 };
390
391 static struct platform_device leds_gpio = {
392 .name = "leds-gpio",
393 .id = -1,
394 .dev = {
395 .platform_data = &gpio_led_info,
396 },
397 };
398
399
400 static int omap3evm_twl_gpio_setup(struct device *dev,
401 unsigned gpio, unsigned ngpio)
402 {
403 int r;
404
405 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
406 omap_mux_init_gpio(63, OMAP_PIN_INPUT);
407 mmc[0].gpio_cd = gpio + 0;
408 omap2_hsmmc_init(mmc);
409
410 /* link regulators to MMC adapters */
411 omap3evm_vmmc1_supply.dev = mmc[0].dev;
412 omap3evm_vsim_supply.dev = mmc[0].dev;
413
414 /*
415 * Most GPIOs are for USB OTG. Some are mostly sent to
416 * the P2 connector; notably LEDA for the LCD backlight.
417 */
418
419 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
420 r = gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
421 if (!r)
422 r = gpio_direction_output(gpio + TWL4030_GPIO_MAX,
423 (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) ? 1 : 0);
424 if (r)
425 printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");
426
427 /* gpio + 7 == DVI Enable */
428 gpio_request(gpio + 7, "EN_DVI");
429 gpio_direction_output(gpio + 7, 0);
430
431 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
432 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
433
434 platform_device_register(&leds_gpio);
435
436 return 0;
437 }
438
439 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
440 .gpio_base = OMAP_MAX_GPIO_LINES,
441 .irq_base = TWL4030_GPIO_IRQ_BASE,
442 .irq_end = TWL4030_GPIO_IRQ_END,
443 .use_leds = true,
444 .setup = omap3evm_twl_gpio_setup,
445 };
446
447 static struct twl4030_usb_data omap3evm_usb_data = {
448 .usb_mode = T2_USB_MODE_ULPI,
449 };
450
451 static uint32_t board_keymap[] = {
452 KEY(0, 0, KEY_LEFT),
453 KEY(0, 1, KEY_DOWN),
454 KEY(0, 2, KEY_ENTER),
455 KEY(0, 3, KEY_M),
456
457 KEY(1, 0, KEY_RIGHT),
458 KEY(1, 1, KEY_UP),
459 KEY(1, 2, KEY_I),
460 KEY(1, 3, KEY_N),
461
462 KEY(2, 0, KEY_A),
463 KEY(2, 1, KEY_E),
464 KEY(2, 2, KEY_J),
465 KEY(2, 3, KEY_O),
466
467 KEY(3, 0, KEY_B),
468 KEY(3, 1, KEY_F),
469 KEY(3, 2, KEY_K),
470 KEY(3, 3, KEY_P)
471 };
472
473 static struct matrix_keymap_data board_map_data = {
474 .keymap = board_keymap,
475 .keymap_size = ARRAY_SIZE(board_keymap),
476 };
477
478 static struct twl4030_keypad_data omap3evm_kp_data = {
479 .keymap_data = &board_map_data,
480 .rows = 4,
481 .cols = 4,
482 .rep = 1,
483 };
484
485 static struct twl4030_madc_platform_data omap3evm_madc_data = {
486 .irq_line = 1,
487 };
488
489 static struct twl4030_codec_audio_data omap3evm_audio_data;
490
491 static struct twl4030_codec_data omap3evm_codec_data = {
492 .audio_mclk = 26000000,
493 .audio = &omap3evm_audio_data,
494 };
495
496 static struct regulator_consumer_supply omap3_evm_vdda_dac_supply =
497 REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
498
499 /* VDAC for DSS driving S-Video */
500 static struct regulator_init_data omap3_evm_vdac = {
501 .constraints = {
502 .min_uV = 1800000,
503 .max_uV = 1800000,
504 .apply_uV = true,
505 .valid_modes_mask = REGULATOR_MODE_NORMAL
506 | REGULATOR_MODE_STANDBY,
507 .valid_ops_mask = REGULATOR_CHANGE_MODE
508 | REGULATOR_CHANGE_STATUS,
509 },
510 .num_consumer_supplies = 1,
511 .consumer_supplies = &omap3_evm_vdda_dac_supply,
512 };
513
514 /* VPLL2 for digital video outputs */
515 static struct regulator_consumer_supply omap3_evm_vpll2_supplies[] = {
516 REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
517 REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
518 };
519
520 static struct regulator_init_data omap3_evm_vpll2 = {
521 .constraints = {
522 .min_uV = 1800000,
523 .max_uV = 1800000,
524 .apply_uV = true,
525 .valid_modes_mask = REGULATOR_MODE_NORMAL
526 | REGULATOR_MODE_STANDBY,
527 .valid_ops_mask = REGULATOR_CHANGE_MODE
528 | REGULATOR_CHANGE_STATUS,
529 },
530 .num_consumer_supplies = ARRAY_SIZE(omap3_evm_vpll2_supplies),
531 .consumer_supplies = omap3_evm_vpll2_supplies,
532 };
533
534 /* ads7846 on SPI */
535 static struct regulator_consumer_supply omap3evm_vio_supply =
536 REGULATOR_SUPPLY("vcc", "spi1.0");
537
538 /* VIO for ads7846 */
539 static struct regulator_init_data omap3evm_vio = {
540 .constraints = {
541 .min_uV = 1800000,
542 .max_uV = 1800000,
543 .apply_uV = true,
544 .valid_modes_mask = REGULATOR_MODE_NORMAL
545 | REGULATOR_MODE_STANDBY,
546 .valid_ops_mask = REGULATOR_CHANGE_MODE
547 | REGULATOR_CHANGE_STATUS,
548 },
549 .num_consumer_supplies = 1,
550 .consumer_supplies = &omap3evm_vio_supply,
551 };
552
553 #ifdef CONFIG_WL12XX_PLATFORM_DATA
554
555 #define OMAP3EVM_WLAN_PMENA_GPIO (150)
556 #define OMAP3EVM_WLAN_IRQ_GPIO (149)
557
558 static struct regulator_consumer_supply omap3evm_vmmc2_supply =
559 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
560
561 /* VMMC2 for driving the WL12xx module */
562 static struct regulator_init_data omap3evm_vmmc2 = {
563 .constraints = {
564 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
565 },
566 .num_consumer_supplies = 1,
567 .consumer_supplies = &omap3evm_vmmc2_supply,
568 };
569
570 static struct fixed_voltage_config omap3evm_vwlan = {
571 .supply_name = "vwl1271",
572 .microvolts = 1800000, /* 1.80V */
573 .gpio = OMAP3EVM_WLAN_PMENA_GPIO,
574 .startup_delay = 70000, /* 70ms */
575 .enable_high = 1,
576 .enabled_at_boot = 0,
577 .init_data = &omap3evm_vmmc2,
578 };
579
580 static struct platform_device omap3evm_wlan_regulator = {
581 .name = "reg-fixed-voltage",
582 .id = 1,
583 .dev = {
584 .platform_data = &omap3evm_vwlan,
585 },
586 };
587
588 struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
589 .irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO),
590 .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
591 };
592 #endif
593
594 static struct twl4030_platform_data omap3evm_twldata = {
595 .irq_base = TWL4030_IRQ_BASE,
596 .irq_end = TWL4030_IRQ_END,
597
598 /* platform_data for children goes here */
599 .keypad = &omap3evm_kp_data,
600 .madc = &omap3evm_madc_data,
601 .usb = &omap3evm_usb_data,
602 .gpio = &omap3evm_gpio_data,
603 .codec = &omap3evm_codec_data,
604 .vdac = &omap3_evm_vdac,
605 .vpll2 = &omap3_evm_vpll2,
606 .vio = &omap3evm_vio,
607 };
608
609 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
610 {
611 I2C_BOARD_INFO("twl4030", 0x48),
612 .flags = I2C_CLIENT_WAKE,
613 .irq = INT_34XX_SYS_NIRQ,
614 .platform_data = &omap3evm_twldata,
615 },
616 };
617
618 static int __init omap3_evm_i2c_init(void)
619 {
620 /*
621 * REVISIT: These entries can be set in omap3evm_twl_data
622 * after a merge with MFD tree
623 */
624 omap3evm_twldata.vmmc1 = &omap3evm_vmmc1;
625 omap3evm_twldata.vsim = &omap3evm_vsim;
626
627 omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
628 ARRAY_SIZE(omap3evm_i2c_boardinfo));
629 omap_register_i2c_bus(2, 400, NULL, 0);
630 omap_register_i2c_bus(3, 400, NULL, 0);
631 return 0;
632 }
633
634 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
635 };
636
637 static void __init omap3_evm_init_early(void)
638 {
639 omap2_init_common_infrastructure();
640 omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
641 }
642
643 static struct usbhs_omap_board_data usbhs_bdata __initdata = {
644
645 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
646 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
647 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
648
649 .phy_reset = true,
650 /* PHY reset GPIO will be runtime programmed based on EVM version */
651 .reset_gpio_port[0] = -EINVAL,
652 .reset_gpio_port[1] = -EINVAL,
653 .reset_gpio_port[2] = -EINVAL
654 };
655
656 #ifdef CONFIG_OMAP_MUX
657 static struct omap_board_mux omap35x_board_mux[] __initdata = {
658 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
659 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
660 OMAP_PIN_OFF_WAKEUPENABLE),
661 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
662 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
663 OMAP_PIN_OFF_WAKEUPENABLE),
664 OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
665 OMAP_PIN_OFF_NONE),
666 OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
667 OMAP_PIN_OFF_NONE),
668 #ifdef CONFIG_WL12XX_PLATFORM_DATA
669 /* WLAN IRQ - GPIO 149 */
670 OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
671
672 /* WLAN POWER ENABLE - GPIO 150 */
673 OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
674
675 /* MMC2 SDIO pin muxes for WL12xx */
676 OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
677 OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
678 OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
679 OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
680 OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
681 OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
682 #endif
683 { .reg_offset = OMAP_MUX_TERMINATOR },
684 };
685
686 static struct omap_board_mux omap36x_board_mux[] __initdata = {
687 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
688 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
689 OMAP_PIN_OFF_WAKEUPENABLE),
690 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
691 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
692 OMAP_PIN_OFF_WAKEUPENABLE),
693 /* AM/DM37x EVM: DSS data bus muxed with sys_boot */
694 OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
695 OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
696 OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
697 OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
698 OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
699 OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
700 OMAP3_MUX(SYS_BOOT0, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
701 OMAP3_MUX(SYS_BOOT1, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
702 OMAP3_MUX(SYS_BOOT3, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
703 OMAP3_MUX(SYS_BOOT4, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
704 OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
705 OMAP3_MUX(SYS_BOOT6, OMAP_MUX_MODE3 | OMAP_PIN_OFF_NONE),
706 #ifdef CONFIG_WL12XX_PLATFORM_DATA
707 /* WLAN IRQ - GPIO 149 */
708 OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
709
710 /* WLAN POWER ENABLE - GPIO 150 */
711 OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
712
713 /* MMC2 SDIO pin muxes for WL12xx */
714 OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
715 OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
716 OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
717 OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
718 OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
719 OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
720 #endif
721
722 { .reg_offset = OMAP_MUX_TERMINATOR },
723 };
724 #else
725 #define omap35x_board_mux NULL
726 #define omap36x_board_mux NULL
727 #endif
728
729 static struct omap_musb_board_data musb_board_data = {
730 .interface_type = MUSB_INTERFACE_ULPI,
731 .mode = MUSB_OTG,
732 .power = 100,
733 };
734
735 static void __init omap3_evm_init(void)
736 {
737 omap3_evm_get_revision();
738
739 if (cpu_is_omap3630())
740 omap3_mux_init(omap36x_board_mux, OMAP_PACKAGE_CBB);
741 else
742 omap3_mux_init(omap35x_board_mux, OMAP_PACKAGE_CBB);
743
744 omap_board_config = omap3_evm_config;
745 omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
746
747 omap3_evm_i2c_init();
748
749 omap_display_init(&omap3_evm_dss_data);
750
751 omap_serial_init();
752
753 /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
754 usb_nop_xceiv_register();
755
756 if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
757 /* enable EHCI VBUS using GPIO22 */
758 omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
759 gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
760 gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
761 gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);
762
763 /* Select EHCI port on main board */
764 omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
765 gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
766 gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
767 gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);
768
769 /* setup EHCI phy reset config */
770 omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
771 usbhs_bdata.reset_gpio_port[1] = 21;
772
773 /* EVM REV >= E can supply 500mA with EXTVBUS programming */
774 musb_board_data.power = 500;
775 musb_board_data.extvbus = 1;
776 } else {
777 /* setup EHCI phy reset on MDC */
778 omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
779 usbhs_bdata.reset_gpio_port[1] = 135;
780 }
781 usb_musb_init(&musb_board_data);
782 usbhs_init(&usbhs_bdata);
783 omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL);
784 omap3evm_init_smsc911x();
785 omap3_evm_display_init();
786
787 #ifdef CONFIG_WL12XX_PLATFORM_DATA
788 /* WL12xx WLAN Init */
789 if (wl12xx_set_platform_data(&omap3evm_wlan_data))
790 pr_err("error setting wl12xx data\n");
791 platform_device_register(&omap3evm_wlan_regulator);
792 #endif
793 }
794
795 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
796 /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
797 .boot_params = 0x80000100,
798 .reserve = omap_reserve,
799 .map_io = omap3_map_io,
800 .init_early = omap3_evm_init_early,
801 .init_irq = omap_init_irq,
802 .init_machine = omap3_evm_init,
803 .timer = &omap_timer,
804 MACHINE_END
Linux kernel - Deliverables
This page took 0.045831 seconds and 4 git commands to generate.