omap: Use separate init_irq functions to avoid cpu_is_omap tests early
[linux-3.10.git] / arch / arm / mach-omap2 / board-overo.c
1 /*
2  * board-overo.c (Gumstix Overo)
3  *
4  * Initial code: Steve Sakoman <steve@sakoman.com>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  *
20  */
21
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/init.h>
26 #include <linux/io.h>
27 #include <linux/gpio.h>
28 #include <linux/kernel.h>
29 #include <linux/platform_device.h>
30 #include <linux/i2c/twl.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/regulator/fixed.h>
33 #include <linux/spi/spi.h>
34
35 #include <linux/mtd/mtd.h>
36 #include <linux/mtd/nand.h>
37 #include <linux/mtd/partitions.h>
38 #include <linux/mmc/host.h>
39
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/flash.h>
43 #include <asm/mach/map.h>
44
45 #include <plat/board.h>
46 #include <plat/common.h>
47 #include <video/omapdss.h>
48 #include <video/omap-panel-generic-dpi.h>
49 #include <plat/gpmc.h>
50 #include <mach/hardware.h>
51 #include <plat/nand.h>
52 #include <plat/mcspi.h>
53 #include <plat/mux.h>
54 #include <plat/usb.h>
55
56 #include "mux.h"
57 #include "sdram-micron-mt46h32m32lf-6.h"
58 #include "hsmmc.h"
59 #include "common-board-devices.h"
60
61 #define OVERO_GPIO_BT_XGATE     15
62 #define OVERO_GPIO_W2W_NRESET   16
63 #define OVERO_GPIO_PENDOWN      114
64 #define OVERO_GPIO_BT_NRESET    164
65 #define OVERO_GPIO_USBH_CPEN    168
66 #define OVERO_GPIO_USBH_NRESET  183
67
68 #define OVERO_SMSC911X_CS      5
69 #define OVERO_SMSC911X_GPIO    176
70 #define OVERO_SMSC911X2_CS     4
71 #define OVERO_SMSC911X2_GPIO   65
72
73 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
74         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
75
76 /* fixed regulator for ads7846 */
77 static struct regulator_consumer_supply ads7846_supply =
78         REGULATOR_SUPPLY("vcc", "spi1.0");
79
80 static struct regulator_init_data vads7846_regulator = {
81         .constraints = {
82                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
83         },
84         .num_consumer_supplies  = 1,
85         .consumer_supplies      = &ads7846_supply,
86 };
87
88 static struct fixed_voltage_config vads7846 = {
89         .supply_name            = "vads7846",
90         .microvolts             = 3300000, /* 3.3V */
91         .gpio                   = -EINVAL,
92         .startup_delay          = 0,
93         .init_data              = &vads7846_regulator,
94 };
95
96 static struct platform_device vads7846_device = {
97         .name           = "reg-fixed-voltage",
98         .id             = 1,
99         .dev = {
100                 .platform_data = &vads7846,
101         },
102 };
103
104 static void __init overo_ads7846_init(void)
105 {
106         omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
107         platform_device_register(&vads7846_device);
108 }
109
110 #else
111 static inline void __init overo_ads7846_init(void) { return; }
112 #endif
113
114 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
115
116 #include <linux/smsc911x.h>
117 #include <plat/gpmc-smsc911x.h>
118
119 static struct omap_smsc911x_platform_data smsc911x_cfg = {
120         .id             = 0,
121         .cs             = OVERO_SMSC911X_CS,
122         .gpio_irq       = OVERO_SMSC911X_GPIO,
123         .gpio_reset     = -EINVAL,
124         .flags          = SMSC911X_USE_32BIT,
125 };
126
127 static struct omap_smsc911x_platform_data smsc911x2_cfg = {
128         .id             = 1,
129         .cs             = OVERO_SMSC911X2_CS,
130         .gpio_irq       = OVERO_SMSC911X2_GPIO,
131         .gpio_reset     = -EINVAL,
132         .flags          = SMSC911X_USE_32BIT,
133 };
134
135 static void __init overo_init_smsc911x(void)
136 {
137         gpmc_smsc911x_init(&smsc911x_cfg);
138         gpmc_smsc911x_init(&smsc911x2_cfg);
139 }
140
141 #else
142 static inline void __init overo_init_smsc911x(void) { return; }
143 #endif
144
145 /* DSS */
146 static int lcd_enabled;
147 static int dvi_enabled;
148
149 #define OVERO_GPIO_LCD_EN 144
150 #define OVERO_GPIO_LCD_BL 145
151
152 static struct gpio overo_dss_gpios[] __initdata = {
153         { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
154         { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
155 };
156
157 static void __init overo_display_init(void)
158 {
159         if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
160                 printk(KERN_ERR "could not obtain DSS control GPIOs\n");
161                 return;
162         }
163
164         gpio_export(OVERO_GPIO_LCD_EN, 0);
165         gpio_export(OVERO_GPIO_LCD_BL, 0);
166 }
167
168 static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
169 {
170         if (lcd_enabled) {
171                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
172                 return -EINVAL;
173         }
174         dvi_enabled = 1;
175
176         return 0;
177 }
178
179 static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
180 {
181         dvi_enabled = 0;
182 }
183
184 static struct panel_generic_dpi_data dvi_panel = {
185         .name                   = "generic",
186         .platform_enable        = overo_panel_enable_dvi,
187         .platform_disable       = overo_panel_disable_dvi,
188 };
189
190 static struct omap_dss_device overo_dvi_device = {
191         .name                   = "dvi",
192         .type                   = OMAP_DISPLAY_TYPE_DPI,
193         .driver_name            = "generic_dpi_panel",
194         .data                   = &dvi_panel,
195         .phy.dpi.data_lines     = 24,
196 };
197
198 static struct omap_dss_device overo_tv_device = {
199         .name = "tv",
200         .driver_name = "venc",
201         .type = OMAP_DISPLAY_TYPE_VENC,
202         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
203 };
204
205 static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
206 {
207         if (dvi_enabled) {
208                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
209                 return -EINVAL;
210         }
211
212         gpio_set_value(OVERO_GPIO_LCD_EN, 1);
213         gpio_set_value(OVERO_GPIO_LCD_BL, 1);
214         lcd_enabled = 1;
215         return 0;
216 }
217
218 static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
219 {
220         gpio_set_value(OVERO_GPIO_LCD_EN, 0);
221         gpio_set_value(OVERO_GPIO_LCD_BL, 0);
222         lcd_enabled = 0;
223 }
224
225 static struct panel_generic_dpi_data lcd43_panel = {
226         .name                   = "samsung_lte430wq_f0c",
227         .platform_enable        = overo_panel_enable_lcd,
228         .platform_disable       = overo_panel_disable_lcd,
229 };
230
231 static struct omap_dss_device overo_lcd43_device = {
232         .name                   = "lcd43",
233         .type                   = OMAP_DISPLAY_TYPE_DPI,
234         .driver_name            = "generic_dpi_panel",
235         .data                   = &lcd43_panel,
236         .phy.dpi.data_lines     = 24,
237 };
238
239 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
240         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
241 static struct omap_dss_device overo_lcd35_device = {
242         .type                   = OMAP_DISPLAY_TYPE_DPI,
243         .name                   = "lcd35",
244         .driver_name            = "lgphilips_lb035q02_panel",
245         .phy.dpi.data_lines     = 24,
246         .platform_enable        = overo_panel_enable_lcd,
247         .platform_disable       = overo_panel_disable_lcd,
248 };
249 #endif
250
251 static struct omap_dss_device *overo_dss_devices[] = {
252         &overo_dvi_device,
253         &overo_tv_device,
254 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
255         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
256         &overo_lcd35_device,
257 #endif
258         &overo_lcd43_device,
259 };
260
261 static struct omap_dss_board_info overo_dss_data = {
262         .num_devices    = ARRAY_SIZE(overo_dss_devices),
263         .devices        = overo_dss_devices,
264         .default_device = &overo_dvi_device,
265 };
266
267 static struct regulator_consumer_supply overo_vdda_dac_supply =
268         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
269
270 static struct regulator_consumer_supply overo_vdds_dsi_supply[] = {
271         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
272         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
273 };
274
275 static struct mtd_partition overo_nand_partitions[] = {
276         {
277                 .name           = "xloader",
278                 .offset         = 0,                    /* Offset = 0x00000 */
279                 .size           = 4 * NAND_BLOCK_SIZE,
280                 .mask_flags     = MTD_WRITEABLE
281         },
282         {
283                 .name           = "uboot",
284                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
285                 .size           = 14 * NAND_BLOCK_SIZE,
286         },
287         {
288                 .name           = "uboot environment",
289                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
290                 .size           = 2 * NAND_BLOCK_SIZE,
291         },
292         {
293                 .name           = "linux",
294                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
295                 .size           = 32 * NAND_BLOCK_SIZE,
296         },
297         {
298                 .name           = "rootfs",
299                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
300                 .size           = MTDPART_SIZ_FULL,
301         },
302 };
303
304 static struct omap2_hsmmc_info mmc[] = {
305         {
306                 .mmc            = 1,
307                 .caps           = MMC_CAP_4_BIT_DATA,
308                 .gpio_cd        = -EINVAL,
309                 .gpio_wp        = -EINVAL,
310         },
311         {
312                 .mmc            = 2,
313                 .caps           = MMC_CAP_4_BIT_DATA,
314                 .gpio_cd        = -EINVAL,
315                 .gpio_wp        = -EINVAL,
316                 .transceiver    = true,
317                 .ocr_mask       = 0x00100000,   /* 3.3V */
318         },
319         {}      /* Terminator */
320 };
321
322 static struct regulator_consumer_supply overo_vmmc1_supply = {
323         .supply                 = "vmmc",
324 };
325
326 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
327 #include <linux/leds.h>
328
329 static struct gpio_led gpio_leds[] = {
330         {
331                 .name                   = "overo:red:gpio21",
332                 .default_trigger        = "heartbeat",
333                 .gpio                   = 21,
334                 .active_low             = true,
335         },
336         {
337                 .name                   = "overo:blue:gpio22",
338                 .default_trigger        = "none",
339                 .gpio                   = 22,
340                 .active_low             = true,
341         },
342         {
343                 .name                   = "overo:blue:COM",
344                 .default_trigger        = "mmc0",
345                 .gpio                   = -EINVAL,      /* gets replaced */
346                 .active_low             = true,
347         },
348 };
349
350 static struct gpio_led_platform_data gpio_leds_pdata = {
351         .leds           = gpio_leds,
352         .num_leds       = ARRAY_SIZE(gpio_leds),
353 };
354
355 static struct platform_device gpio_leds_device = {
356         .name   = "leds-gpio",
357         .id     = -1,
358         .dev    = {
359                 .platform_data  = &gpio_leds_pdata,
360         },
361 };
362
363 static void __init overo_init_led(void)
364 {
365         platform_device_register(&gpio_leds_device);
366 }
367
368 #else
369 static inline void __init overo_init_led(void) { return; }
370 #endif
371
372 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
373 #include <linux/input.h>
374 #include <linux/gpio_keys.h>
375
376 static struct gpio_keys_button gpio_buttons[] = {
377         {
378                 .code                   = BTN_0,
379                 .gpio                   = 23,
380                 .desc                   = "button0",
381                 .wakeup                 = 1,
382         },
383         {
384                 .code                   = BTN_1,
385                 .gpio                   = 14,
386                 .desc                   = "button1",
387                 .wakeup                 = 1,
388         },
389 };
390
391 static struct gpio_keys_platform_data gpio_keys_pdata = {
392         .buttons        = gpio_buttons,
393         .nbuttons       = ARRAY_SIZE(gpio_buttons),
394 };
395
396 static struct platform_device gpio_keys_device = {
397         .name   = "gpio-keys",
398         .id     = -1,
399         .dev    = {
400                 .platform_data  = &gpio_keys_pdata,
401         },
402 };
403
404 static void __init overo_init_keys(void)
405 {
406         platform_device_register(&gpio_keys_device);
407 }
408
409 #else
410 static inline void __init overo_init_keys(void) { return; }
411 #endif
412
413 static int overo_twl_gpio_setup(struct device *dev,
414                 unsigned gpio, unsigned ngpio)
415 {
416         omap2_hsmmc_init(mmc);
417
418         overo_vmmc1_supply.dev = mmc[0].dev;
419
420 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
421         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
422         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
423 #endif
424
425         return 0;
426 }
427
428 static struct twl4030_gpio_platform_data overo_gpio_data = {
429         .gpio_base      = OMAP_MAX_GPIO_LINES,
430         .irq_base       = TWL4030_GPIO_IRQ_BASE,
431         .irq_end        = TWL4030_GPIO_IRQ_END,
432         .use_leds       = true,
433         .setup          = overo_twl_gpio_setup,
434 };
435
436 static struct twl4030_usb_data overo_usb_data = {
437         .usb_mode       = T2_USB_MODE_ULPI,
438 };
439
440 static struct regulator_init_data overo_vmmc1 = {
441         .constraints = {
442                 .min_uV                 = 1850000,
443                 .max_uV                 = 3150000,
444                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
445                                         | REGULATOR_MODE_STANDBY,
446                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
447                                         | REGULATOR_CHANGE_MODE
448                                         | REGULATOR_CHANGE_STATUS,
449         },
450         .num_consumer_supplies  = 1,
451         .consumer_supplies      = &overo_vmmc1_supply,
452 };
453
454 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
455 static struct regulator_init_data overo_vdac = {
456         .constraints = {
457                 .min_uV                 = 1800000,
458                 .max_uV                 = 1800000,
459                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
460                                         | REGULATOR_MODE_STANDBY,
461                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
462                                         | REGULATOR_CHANGE_STATUS,
463         },
464         .num_consumer_supplies  = 1,
465         .consumer_supplies      = &overo_vdda_dac_supply,
466 };
467
468 /* VPLL2 for digital video outputs */
469 static struct regulator_init_data overo_vpll2 = {
470         .constraints = {
471                 .name                   = "VDVI",
472                 .min_uV                 = 1800000,
473                 .max_uV                 = 1800000,
474                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
475                                         | REGULATOR_MODE_STANDBY,
476                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
477                                         | REGULATOR_CHANGE_STATUS,
478         },
479         .num_consumer_supplies  = ARRAY_SIZE(overo_vdds_dsi_supply),
480         .consumer_supplies      = overo_vdds_dsi_supply,
481 };
482
483 static struct twl4030_codec_audio_data overo_audio_data;
484
485 static struct twl4030_codec_data overo_codec_data = {
486         .audio_mclk = 26000000,
487         .audio = &overo_audio_data,
488 };
489
490 static struct twl4030_platform_data overo_twldata = {
491         .irq_base       = TWL4030_IRQ_BASE,
492         .irq_end        = TWL4030_IRQ_END,
493         .gpio           = &overo_gpio_data,
494         .usb            = &overo_usb_data,
495         .codec          = &overo_codec_data,
496         .vmmc1          = &overo_vmmc1,
497         .vdac           = &overo_vdac,
498         .vpll2          = &overo_vpll2,
499 };
500
501 static int __init overo_i2c_init(void)
502 {
503         omap3_pmic_init("tps65950", &overo_twldata);
504         /* i2c2 pins are used for gpio */
505         omap_register_i2c_bus(3, 400, NULL, 0);
506         return 0;
507 }
508
509 static struct spi_board_info overo_spi_board_info[] __initdata = {
510 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
511         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
512         {
513                 .modalias               = "lgphilips_lb035q02_panel-spi",
514                 .bus_num                = 1,
515                 .chip_select            = 1,
516                 .max_speed_hz           = 500000,
517                 .mode                   = SPI_MODE_3,
518         },
519 #endif
520 };
521
522 static int __init overo_spi_init(void)
523 {
524         overo_ads7846_init();
525         spi_register_board_info(overo_spi_board_info,
526                         ARRAY_SIZE(overo_spi_board_info));
527         return 0;
528 }
529
530 static void __init overo_init_early(void)
531 {
532         omap2_init_common_infrastructure();
533         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
534                                   mt46h32m32lf6_sdrc_params);
535 }
536
537 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
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         .phy_reset  = true,
542         .reset_gpio_port[0]  = -EINVAL,
543         .reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
544         .reset_gpio_port[2]  = -EINVAL
545 };
546
547 #ifdef CONFIG_OMAP_MUX
548 static struct omap_board_mux board_mux[] __initdata = {
549         { .reg_offset = OMAP_MUX_TERMINATOR },
550 };
551 #endif
552
553 static struct gpio overo_bt_gpios[] __initdata = {
554         { OVERO_GPIO_BT_XGATE,  GPIOF_OUT_INIT_LOW,     "lcd enable"    },
555         { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH,    "lcd bl enable" },
556 };
557
558 static void __init overo_init(void)
559 {
560         int ret;
561
562         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
563         overo_i2c_init();
564         omap_display_init(&overo_dss_data);
565         omap_serial_init();
566         omap_nand_flash_init(0, overo_nand_partitions,
567                              ARRAY_SIZE(overo_nand_partitions));
568         usb_musb_init(NULL);
569         usbhs_init(&usbhs_bdata);
570         overo_spi_init();
571         overo_ads7846_init();
572         overo_init_smsc911x();
573         overo_display_init();
574         overo_init_led();
575         overo_init_keys();
576
577         /* Ensure SDRC pins are mux'd for self-refresh */
578         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
579         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
580
581         ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
582                                "OVERO_GPIO_W2W_NRESET");
583         if (ret == 0) {
584                 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
585                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
586                 udelay(10);
587                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
588         } else {
589                 printk(KERN_ERR "could not obtain gpio for "
590                                         "OVERO_GPIO_W2W_NRESET\n");
591         }
592
593         ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
594         if (ret) {
595                 pr_err("%s: could not obtain BT gpios\n", __func__);
596         } else {
597                 gpio_export(OVERO_GPIO_BT_XGATE, 0);
598                 gpio_export(OVERO_GPIO_BT_NRESET, 0);
599                 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
600                 mdelay(6);
601                 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
602         }
603
604         ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
605                                "OVERO_GPIO_USBH_CPEN");
606         if (ret == 0)
607                 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
608         else
609                 printk(KERN_ERR "could not obtain gpio for "
610                                         "OVERO_GPIO_USBH_CPEN\n");
611 }
612
613 MACHINE_START(OVERO, "Gumstix Overo")
614         .boot_params    = 0x80000100,
615         .reserve        = omap_reserve,
616         .map_io         = omap3_map_io,
617         .init_early     = overo_init_early,
618         .init_irq       = omap3_init_irq,
619         .init_machine   = overo_init,
620         .timer          = &omap_timer,
621 MACHINE_END