Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
[linux-3.10.git] / arch / arm / mach-omap2 / board-omap3beagle.c
1 /*
2  * linux/arch/arm/mach-omap2/board-omap3beagle.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/io.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
26 #include <linux/opp.h>
27
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/mtd/nand.h>
31 #include <linux/mmc/host.h>
32
33 #include <linux/regulator/machine.h>
34 #include <linux/i2c/twl.h>
35
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/flash.h>
40
41 #include "common.h"
42 #include <video/omapdss.h>
43 #include <video/omap-panel-tfp410.h>
44 #include <plat/gpmc.h>
45 #include <linux/platform_data/mtd-nand-omap2.h>
46 #include <plat/usb.h>
47 #include <plat/omap_device.h>
48
49 #include "mux.h"
50 #include "hsmmc.h"
51 #include "pm.h"
52 #include "common-board-devices.h"
53
54 /*
55  * OMAP3 Beagle revision
56  * Run time detection of Beagle revision is done by reading GPIO.
57  * GPIO ID -
58  *      AXBX    = GPIO173, GPIO172, GPIO171: 1 1 1
59  *      C1_3    = GPIO173, GPIO172, GPIO171: 1 1 0
60  *      C4      = GPIO173, GPIO172, GPIO171: 1 0 1
61  *      XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
62  *      XMC = GPIO173, GPIO172, GPIO171: 0 1 0
63  */
64 enum {
65         OMAP3BEAGLE_BOARD_UNKN = 0,
66         OMAP3BEAGLE_BOARD_AXBX,
67         OMAP3BEAGLE_BOARD_C1_3,
68         OMAP3BEAGLE_BOARD_C4,
69         OMAP3BEAGLE_BOARD_XM,
70         OMAP3BEAGLE_BOARD_XMC,
71 };
72
73 static u8 omap3_beagle_version;
74
75 /*
76  * Board-specific configuration
77  * Defaults to BeagleBoard-xMC
78  */
79 static struct {
80         int mmc1_gpio_wp;
81         int usb_pwr_level;
82         int dvi_pd_gpio;
83         int usr_button_gpio;
84         int mmc_caps;
85 } beagle_config = {
86         .mmc1_gpio_wp = -EINVAL,
87         .usb_pwr_level = GPIOF_OUT_INIT_LOW,
88         .dvi_pd_gpio = -EINVAL,
89         .usr_button_gpio = 4,
90         .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
91 };
92
93 static struct gpio omap3_beagle_rev_gpios[] __initdata = {
94         { 171, GPIOF_IN, "rev_id_0"    },
95         { 172, GPIOF_IN, "rev_id_1" },
96         { 173, GPIOF_IN, "rev_id_2"    },
97 };
98
99 static void __init omap3_beagle_init_rev(void)
100 {
101         int ret;
102         u16 beagle_rev = 0;
103
104         omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
105         omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
106         omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
107
108         ret = gpio_request_array(omap3_beagle_rev_gpios,
109                                  ARRAY_SIZE(omap3_beagle_rev_gpios));
110         if (ret < 0) {
111                 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
112                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
113                 return;
114         }
115
116         beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
117                         | (gpio_get_value(173) << 2);
118
119         gpio_free_array(omap3_beagle_rev_gpios,
120                         ARRAY_SIZE(omap3_beagle_rev_gpios));
121
122         switch (beagle_rev) {
123         case 7:
124                 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
125                 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
126                 beagle_config.mmc1_gpio_wp = 29;
127                 beagle_config.dvi_pd_gpio = 170;
128                 beagle_config.usr_button_gpio = 7;
129                 break;
130         case 6:
131                 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
132                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
133                 beagle_config.mmc1_gpio_wp = 23;
134                 beagle_config.dvi_pd_gpio = 170;
135                 beagle_config.usr_button_gpio = 7;
136                 break;
137         case 5:
138                 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
139                 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
140                 beagle_config.mmc1_gpio_wp = 23;
141                 beagle_config.dvi_pd_gpio = 170;
142                 beagle_config.usr_button_gpio = 7;
143                 break;
144         case 0:
145                 printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
146                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
147                 beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
148                 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
149                 break;
150         case 2:
151                 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
152                 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
153                 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
154                 break;
155         default:
156                 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
157                 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
158         }
159 }
160
161 static struct mtd_partition omap3beagle_nand_partitions[] = {
162         /* All the partition sizes are listed in terms of NAND block size */
163         {
164                 .name           = "X-Loader",
165                 .offset         = 0,
166                 .size           = 4 * NAND_BLOCK_SIZE,
167                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
168         },
169         {
170                 .name           = "U-Boot",
171                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
172                 .size           = 15 * NAND_BLOCK_SIZE,
173                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
174         },
175         {
176                 .name           = "U-Boot Env",
177                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
178                 .size           = 1 * NAND_BLOCK_SIZE,
179         },
180         {
181                 .name           = "Kernel",
182                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
183                 .size           = 32 * NAND_BLOCK_SIZE,
184         },
185         {
186                 .name           = "File System",
187                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
188                 .size           = MTDPART_SIZ_FULL,
189         },
190 };
191
192 /* DSS */
193
194 static struct tfp410_platform_data dvi_panel = {
195         .i2c_bus_num = 3,
196         .power_down_gpio = -1,
197 };
198
199 static struct omap_dss_device beagle_dvi_device = {
200         .type = OMAP_DISPLAY_TYPE_DPI,
201         .name = "dvi",
202         .driver_name = "tfp410",
203         .data = &dvi_panel,
204         .phy.dpi.data_lines = 24,
205 };
206
207 static struct omap_dss_device beagle_tv_device = {
208         .name = "tv",
209         .driver_name = "venc",
210         .type = OMAP_DISPLAY_TYPE_VENC,
211         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
212 };
213
214 static struct omap_dss_device *beagle_dss_devices[] = {
215         &beagle_dvi_device,
216         &beagle_tv_device,
217 };
218
219 static struct omap_dss_board_info beagle_dss_data = {
220         .num_devices = ARRAY_SIZE(beagle_dss_devices),
221         .devices = beagle_dss_devices,
222         .default_device = &beagle_dvi_device,
223 };
224
225 #include "sdram-micron-mt46h32m32lf-6.h"
226
227 static struct omap2_hsmmc_info mmc[] = {
228         {
229                 .mmc            = 1,
230                 .caps           = MMC_CAP_4_BIT_DATA,
231                 .gpio_wp        = -EINVAL,
232                 .deferred       = true,
233         },
234         {}      /* Terminator */
235 };
236
237 static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
238         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
239 };
240
241 static struct regulator_consumer_supply beagle_vsim_supply[] = {
242         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
243 };
244
245 static struct gpio_led gpio_leds[];
246
247 static int beagle_twl_gpio_setup(struct device *dev,
248                 unsigned gpio, unsigned ngpio)
249 {
250         int r;
251
252         mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
253         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
254         mmc[0].gpio_cd = gpio + 0;
255         omap_hsmmc_late_init(mmc);
256
257         /*
258          * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
259          * high / others active low)
260          * DVI reset GPIO is different between beagle revisions
261          */
262         /* Valid for all -xM revisions */
263         if (cpu_is_omap3630()) {
264                 /*
265                  * gpio + 1 on Xm controls the TFP410's enable line (active low)
266                  * gpio + 2 control varies depending on the board rev as below:
267                  * P7/P8 revisions(prototype): Camera EN
268                  * A2+ revisions (production): LDO (DVI, serial, led blocks)
269                  */
270                 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
271                                      "nDVI_PWR_EN");
272                 if (r)
273                         pr_err("%s: unable to configure nDVI_PWR_EN\n",
274                                 __func__);
275
276                 beagle_config.dvi_pd_gpio = gpio + 2;
277
278         } else {
279                 /*
280                  * REVISIT: need ehci-omap hooks for external VBUS
281                  * power switch and overcurrent detect
282                  */
283                 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
284                         pr_err("%s: unable to configure EHCI_nOC\n", __func__);
285         }
286         dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
287
288         gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
289                         "nEN_USB_PWR");
290
291         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
292         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
293
294         return 0;
295 }
296
297 static struct twl4030_gpio_platform_data beagle_gpio_data = {
298         .use_leds       = true,
299         .pullups        = BIT(1),
300         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
301                                 | BIT(15) | BIT(16) | BIT(17),
302         .setup          = beagle_twl_gpio_setup,
303 };
304
305 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
306 static struct regulator_init_data beagle_vmmc1 = {
307         .constraints = {
308                 .min_uV                 = 1850000,
309                 .max_uV                 = 3150000,
310                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
311                                         | REGULATOR_MODE_STANDBY,
312                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
313                                         | REGULATOR_CHANGE_MODE
314                                         | REGULATOR_CHANGE_STATUS,
315         },
316         .num_consumer_supplies  = ARRAY_SIZE(beagle_vmmc1_supply),
317         .consumer_supplies      = beagle_vmmc1_supply,
318 };
319
320 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
321 static struct regulator_init_data beagle_vsim = {
322         .constraints = {
323                 .min_uV                 = 1800000,
324                 .max_uV                 = 3000000,
325                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
326                                         | REGULATOR_MODE_STANDBY,
327                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
328                                         | REGULATOR_CHANGE_MODE
329                                         | REGULATOR_CHANGE_STATUS,
330         },
331         .num_consumer_supplies  = ARRAY_SIZE(beagle_vsim_supply),
332         .consumer_supplies      = beagle_vsim_supply,
333 };
334
335 static struct twl4030_platform_data beagle_twldata = {
336         /* platform_data for children goes here */
337         .gpio           = &beagle_gpio_data,
338         .vmmc1          = &beagle_vmmc1,
339         .vsim           = &beagle_vsim,
340 };
341
342 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
343        {
344                I2C_BOARD_INFO("eeprom", 0x50),
345        },
346 };
347
348 static int __init omap3_beagle_i2c_init(void)
349 {
350         omap3_pmic_get_config(&beagle_twldata,
351                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
352                         TWL_COMMON_PDATA_AUDIO,
353                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
354
355         beagle_twldata.vpll2->constraints.name = "VDVI";
356
357         omap3_pmic_init("twl4030", &beagle_twldata);
358         /* Bus 3 is attached to the DVI port where devices like the pico DLP
359          * projector don't work reliably with 400kHz */
360         omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
361         return 0;
362 }
363
364 static struct gpio_led gpio_leds[] = {
365         {
366                 .name                   = "beagleboard::usr0",
367                 .default_trigger        = "heartbeat",
368                 .gpio                   = 150,
369         },
370         {
371                 .name                   = "beagleboard::usr1",
372                 .default_trigger        = "mmc0",
373                 .gpio                   = 149,
374         },
375         {
376                 .name                   = "beagleboard::pmu_stat",
377                 .gpio                   = -EINVAL,      /* gets replaced */
378                 .active_low             = true,
379         },
380 };
381
382 static struct gpio_led_platform_data gpio_led_info = {
383         .leds           = gpio_leds,
384         .num_leds       = ARRAY_SIZE(gpio_leds),
385 };
386
387 static struct platform_device leds_gpio = {
388         .name   = "leds-gpio",
389         .id     = -1,
390         .dev    = {
391                 .platform_data  = &gpio_led_info,
392         },
393 };
394
395 static struct gpio_keys_button gpio_buttons[] = {
396         {
397                 .code                   = BTN_EXTRA,
398                 /* Dynamically assigned depending on board */
399                 .gpio                   = -EINVAL,
400                 .desc                   = "user",
401                 .wakeup                 = 1,
402         },
403 };
404
405 static struct gpio_keys_platform_data gpio_key_info = {
406         .buttons        = gpio_buttons,
407         .nbuttons       = ARRAY_SIZE(gpio_buttons),
408 };
409
410 static struct platform_device keys_gpio = {
411         .name   = "gpio-keys",
412         .id     = -1,
413         .dev    = {
414                 .platform_data  = &gpio_key_info,
415         },
416 };
417
418 static struct platform_device madc_hwmon = {
419         .name   = "twl4030_madc_hwmon",
420         .id     = -1,
421 };
422
423 static struct platform_device *omap3_beagle_devices[] __initdata = {
424         &leds_gpio,
425         &keys_gpio,
426         &madc_hwmon,
427 };
428
429 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
430
431         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
432         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
433         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
434
435         .phy_reset  = true,
436         .reset_gpio_port[0]  = -EINVAL,
437         .reset_gpio_port[1]  = 147,
438         .reset_gpio_port[2]  = -EINVAL
439 };
440
441 #ifdef CONFIG_OMAP_MUX
442 static struct omap_board_mux board_mux[] __initdata = {
443         { .reg_offset = OMAP_MUX_TERMINATOR },
444 };
445 #endif
446
447 static void __init beagle_opp_init(void)
448 {
449         int r = 0;
450
451         /* Initialize the omap3 opp table */
452         if (omap3_opp_init()) {
453                 pr_err("%s: opp default init failed\n", __func__);
454                 return;
455         }
456
457         /* Custom OPP enabled for all xM versions */
458         if (cpu_is_omap3630()) {
459                 struct device *mpu_dev, *iva_dev;
460
461                 mpu_dev = omap_device_get_by_hwmod_name("mpu");
462                 iva_dev = omap_device_get_by_hwmod_name("iva");
463
464                 if (!mpu_dev || !iva_dev) {
465                         pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
466                                 __func__, mpu_dev, iva_dev);
467                         return;
468                 }
469                 /* Enable MPU 1GHz and lower opps */
470                 r = opp_enable(mpu_dev, 800000000);
471                 /* TODO: MPU 1GHz needs SR and ABB */
472
473                 /* Enable IVA 800MHz and lower opps */
474                 r |= opp_enable(iva_dev, 660000000);
475                 /* TODO: DSP 800MHz needs SR and ABB */
476                 if (r) {
477                         pr_err("%s: failed to enable higher opp %d\n",
478                                 __func__, r);
479                         /*
480                          * Cleanup - disable the higher freqs - we dont care
481                          * about the results
482                          */
483                         opp_disable(mpu_dev, 800000000);
484                         opp_disable(iva_dev, 660000000);
485                 }
486         }
487         return;
488 }
489
490 static void __init omap3_beagle_init(void)
491 {
492         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
493         omap3_beagle_init_rev();
494
495         if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
496                 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
497         mmc[0].caps = beagle_config.mmc_caps;
498         omap_hsmmc_init(mmc);
499
500         omap3_beagle_i2c_init();
501
502         gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
503
504         platform_add_devices(omap3_beagle_devices,
505                         ARRAY_SIZE(omap3_beagle_devices));
506         if (gpio_is_valid(beagle_config.dvi_pd_gpio))
507                 omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
508         omap_display_init(&beagle_dss_data);
509         omap_serial_init();
510         omap_sdrc_init(mt46h32m32lf6_sdrc_params,
511                                   mt46h32m32lf6_sdrc_params);
512
513         usb_musb_init(NULL);
514         usbhs_init(&usbhs_bdata);
515         omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
516                              ARRAY_SIZE(omap3beagle_nand_partitions));
517         omap_twl4030_audio_init("omap3beagle");
518
519         /* Ensure msecure is mux'd to be able to set the RTC. */
520         omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
521
522         /* Ensure SDRC pins are mux'd for self-refresh */
523         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
524         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
525
526         beagle_opp_init();
527 }
528
529 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
530         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
531         .atag_offset    = 0x100,
532         .reserve        = omap_reserve,
533         .map_io         = omap3_map_io,
534         .init_early     = omap3_init_early,
535         .init_irq       = omap3_init_irq,
536         .handle_irq     = omap3_intc_handle_irq,
537         .init_machine   = omap3_beagle_init,
538         .init_late      = omap3_init_late,
539         .timer          = &omap3_secure_timer,
540         .restart        = omap_prcm_restart,
541 MACHINE_END