Merge branch 'devel-map-io' into omap-for-linus
[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
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/mtd/nand.h>
30
31 #include <linux/regulator/machine.h>
32 #include <linux/i2c/twl.h>
33
34 #include <mach/hardware.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/flash.h>
39
40 #include <plat/board.h>
41 #include <plat/common.h>
42 #include <plat/display.h>
43 #include <plat/gpmc.h>
44 #include <plat/nand.h>
45 #include <plat/usb.h>
46 #include <plat/timer-gp.h>
47
48 #include "mux.h"
49 #include "hsmmc.h"
50
51 #define NAND_BLOCK_SIZE         SZ_128K
52
53 static struct mtd_partition omap3beagle_nand_partitions[] = {
54         /* All the partition sizes are listed in terms of NAND block size */
55         {
56                 .name           = "X-Loader",
57                 .offset         = 0,
58                 .size           = 4 * NAND_BLOCK_SIZE,
59                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
60         },
61         {
62                 .name           = "U-Boot",
63                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
64                 .size           = 15 * NAND_BLOCK_SIZE,
65                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
66         },
67         {
68                 .name           = "U-Boot Env",
69                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
70                 .size           = 1 * NAND_BLOCK_SIZE,
71         },
72         {
73                 .name           = "Kernel",
74                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
75                 .size           = 32 * NAND_BLOCK_SIZE,
76         },
77         {
78                 .name           = "File System",
79                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
80                 .size           = MTDPART_SIZ_FULL,
81         },
82 };
83
84 static struct omap_nand_platform_data omap3beagle_nand_data = {
85         .options        = NAND_BUSWIDTH_16,
86         .parts          = omap3beagle_nand_partitions,
87         .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
88         .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
89         .nand_setup     = NULL,
90         .dev_ready      = NULL,
91 };
92
93 /* DSS */
94
95 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
96 {
97         if (gpio_is_valid(dssdev->reset_gpio))
98                 gpio_set_value(dssdev->reset_gpio, 1);
99
100         return 0;
101 }
102
103 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
104 {
105         if (gpio_is_valid(dssdev->reset_gpio))
106                 gpio_set_value(dssdev->reset_gpio, 0);
107 }
108
109 static struct omap_dss_device beagle_dvi_device = {
110         .type = OMAP_DISPLAY_TYPE_DPI,
111         .name = "dvi",
112         .driver_name = "generic_panel",
113         .phy.dpi.data_lines = 24,
114         .reset_gpio = 170,
115         .platform_enable = beagle_enable_dvi,
116         .platform_disable = beagle_disable_dvi,
117 };
118
119 static struct omap_dss_device beagle_tv_device = {
120         .name = "tv",
121         .driver_name = "venc",
122         .type = OMAP_DISPLAY_TYPE_VENC,
123         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
124 };
125
126 static struct omap_dss_device *beagle_dss_devices[] = {
127         &beagle_dvi_device,
128         &beagle_tv_device,
129 };
130
131 static struct omap_dss_board_info beagle_dss_data = {
132         .num_devices = ARRAY_SIZE(beagle_dss_devices),
133         .devices = beagle_dss_devices,
134         .default_device = &beagle_dvi_device,
135 };
136
137 static struct platform_device beagle_dss_device = {
138         .name          = "omapdss",
139         .id            = -1,
140         .dev            = {
141                 .platform_data = &beagle_dss_data,
142         },
143 };
144
145 static struct regulator_consumer_supply beagle_vdac_supply =
146         REGULATOR_SUPPLY("vdda_dac", "omapdss");
147
148 static struct regulator_consumer_supply beagle_vdvi_supply =
149         REGULATOR_SUPPLY("vdds_dsi", "omapdss");
150
151 static void __init beagle_display_init(void)
152 {
153         int r;
154
155         r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
156         if (r < 0) {
157                 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
158                 return;
159         }
160
161         gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
162 }
163
164 #include "sdram-micron-mt46h32m32lf-6.h"
165
166 static struct omap2_hsmmc_info mmc[] = {
167         {
168                 .mmc            = 1,
169                 .wires          = 8,
170                 .gpio_wp        = 29,
171         },
172         {}      /* Terminator */
173 };
174
175 static struct regulator_consumer_supply beagle_vmmc1_supply = {
176         .supply                 = "vmmc",
177 };
178
179 static struct regulator_consumer_supply beagle_vsim_supply = {
180         .supply                 = "vmmc_aux",
181 };
182
183 static struct gpio_led gpio_leds[];
184
185 static int beagle_twl_gpio_setup(struct device *dev,
186                 unsigned gpio, unsigned ngpio)
187 {
188         if (system_rev >= 0x20 && system_rev <= 0x34301000) {
189                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
190                 mmc[0].gpio_wp = 23;
191         } else {
192                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
193         }
194         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
195         mmc[0].gpio_cd = gpio + 0;
196         omap2_hsmmc_init(mmc);
197
198         /* link regulators to MMC adapters */
199         beagle_vmmc1_supply.dev = mmc[0].dev;
200         beagle_vsim_supply.dev = mmc[0].dev;
201
202         /* REVISIT: need ehci-omap hooks for external VBUS
203          * power switch and overcurrent detect
204          */
205
206         gpio_request(gpio + 1, "EHCI_nOC");
207         gpio_direction_input(gpio + 1);
208
209         /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
210         gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
211         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
212
213         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
214         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
215
216         return 0;
217 }
218
219 static struct twl4030_gpio_platform_data beagle_gpio_data = {
220         .gpio_base      = OMAP_MAX_GPIO_LINES,
221         .irq_base       = TWL4030_GPIO_IRQ_BASE,
222         .irq_end        = TWL4030_GPIO_IRQ_END,
223         .use_leds       = true,
224         .pullups        = BIT(1),
225         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
226                                 | BIT(15) | BIT(16) | BIT(17),
227         .setup          = beagle_twl_gpio_setup,
228 };
229
230 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
231 static struct regulator_init_data beagle_vmmc1 = {
232         .constraints = {
233                 .min_uV                 = 1850000,
234                 .max_uV                 = 3150000,
235                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
236                                         | REGULATOR_MODE_STANDBY,
237                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
238                                         | REGULATOR_CHANGE_MODE
239                                         | REGULATOR_CHANGE_STATUS,
240         },
241         .num_consumer_supplies  = 1,
242         .consumer_supplies      = &beagle_vmmc1_supply,
243 };
244
245 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
246 static struct regulator_init_data beagle_vsim = {
247         .constraints = {
248                 .min_uV                 = 1800000,
249                 .max_uV                 = 3000000,
250                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
251                                         | REGULATOR_MODE_STANDBY,
252                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
253                                         | REGULATOR_CHANGE_MODE
254                                         | REGULATOR_CHANGE_STATUS,
255         },
256         .num_consumer_supplies  = 1,
257         .consumer_supplies      = &beagle_vsim_supply,
258 };
259
260 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
261 static struct regulator_init_data beagle_vdac = {
262         .constraints = {
263                 .min_uV                 = 1800000,
264                 .max_uV                 = 1800000,
265                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
266                                         | REGULATOR_MODE_STANDBY,
267                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
268                                         | REGULATOR_CHANGE_STATUS,
269         },
270         .num_consumer_supplies  = 1,
271         .consumer_supplies      = &beagle_vdac_supply,
272 };
273
274 /* VPLL2 for digital video outputs */
275 static struct regulator_init_data beagle_vpll2 = {
276         .constraints = {
277                 .name                   = "VDVI",
278                 .min_uV                 = 1800000,
279                 .max_uV                 = 1800000,
280                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
281                                         | REGULATOR_MODE_STANDBY,
282                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
283                                         | REGULATOR_CHANGE_STATUS,
284         },
285         .num_consumer_supplies  = 1,
286         .consumer_supplies      = &beagle_vdvi_supply,
287 };
288
289 static struct twl4030_usb_data beagle_usb_data = {
290         .usb_mode       = T2_USB_MODE_ULPI,
291 };
292
293 static struct twl4030_codec_audio_data beagle_audio_data = {
294         .audio_mclk = 26000000,
295 };
296
297 static struct twl4030_codec_data beagle_codec_data = {
298         .audio_mclk = 26000000,
299         .audio = &beagle_audio_data,
300 };
301
302 static struct twl4030_platform_data beagle_twldata = {
303         .irq_base       = TWL4030_IRQ_BASE,
304         .irq_end        = TWL4030_IRQ_END,
305
306         /* platform_data for children goes here */
307         .usb            = &beagle_usb_data,
308         .gpio           = &beagle_gpio_data,
309         .codec          = &beagle_codec_data,
310         .vmmc1          = &beagle_vmmc1,
311         .vsim           = &beagle_vsim,
312         .vdac           = &beagle_vdac,
313         .vpll2          = &beagle_vpll2,
314 };
315
316 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
317         {
318                 I2C_BOARD_INFO("twl4030", 0x48),
319                 .flags = I2C_CLIENT_WAKE,
320                 .irq = INT_34XX_SYS_NIRQ,
321                 .platform_data = &beagle_twldata,
322         },
323 };
324
325 static int __init omap3_beagle_i2c_init(void)
326 {
327         omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
328                         ARRAY_SIZE(beagle_i2c_boardinfo));
329         /* Bus 3 is attached to the DVI port where devices like the pico DLP
330          * projector don't work reliably with 400kHz */
331         omap_register_i2c_bus(3, 100, NULL, 0);
332         return 0;
333 }
334
335 static struct gpio_led gpio_leds[] = {
336         {
337                 .name                   = "beagleboard::usr0",
338                 .default_trigger        = "heartbeat",
339                 .gpio                   = 150,
340         },
341         {
342                 .name                   = "beagleboard::usr1",
343                 .default_trigger        = "mmc0",
344                 .gpio                   = 149,
345         },
346         {
347                 .name                   = "beagleboard::pmu_stat",
348                 .gpio                   = -EINVAL,      /* gets replaced */
349                 .active_low             = true,
350         },
351 };
352
353 static struct gpio_led_platform_data gpio_led_info = {
354         .leds           = gpio_leds,
355         .num_leds       = ARRAY_SIZE(gpio_leds),
356 };
357
358 static struct platform_device leds_gpio = {
359         .name   = "leds-gpio",
360         .id     = -1,
361         .dev    = {
362                 .platform_data  = &gpio_led_info,
363         },
364 };
365
366 static struct gpio_keys_button gpio_buttons[] = {
367         {
368                 .code                   = BTN_EXTRA,
369                 .gpio                   = 7,
370                 .desc                   = "user",
371                 .wakeup                 = 1,
372         },
373 };
374
375 static struct gpio_keys_platform_data gpio_key_info = {
376         .buttons        = gpio_buttons,
377         .nbuttons       = ARRAY_SIZE(gpio_buttons),
378 };
379
380 static struct platform_device keys_gpio = {
381         .name   = "gpio-keys",
382         .id     = -1,
383         .dev    = {
384                 .platform_data  = &gpio_key_info,
385         },
386 };
387
388 static void __init omap3_beagle_init_irq(void)
389 {
390         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
391                              mt46h32m32lf6_sdrc_params);
392         omap_init_irq();
393 #ifdef CONFIG_OMAP_32K_TIMER
394         omap2_gp_clockevent_set_gptimer(12);
395 #endif
396         omap_gpio_init();
397 }
398
399 static struct platform_device *omap3_beagle_devices[] __initdata = {
400         &leds_gpio,
401         &keys_gpio,
402         &beagle_dss_device,
403 };
404
405 static void __init omap3beagle_flash_init(void)
406 {
407         u8 cs = 0;
408         u8 nandcs = GPMC_CS_NUM + 1;
409
410         /* find out the chip-select on which NAND exists */
411         while (cs < GPMC_CS_NUM) {
412                 u32 ret = 0;
413                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
414
415                 if ((ret & 0xC00) == 0x800) {
416                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
417                         if (nandcs > GPMC_CS_NUM)
418                                 nandcs = cs;
419                 }
420                 cs++;
421         }
422
423         if (nandcs > GPMC_CS_NUM) {
424                 printk(KERN_INFO "NAND: Unable to find configuration "
425                                  "in GPMC\n ");
426                 return;
427         }
428
429         if (nandcs < GPMC_CS_NUM) {
430                 omap3beagle_nand_data.cs = nandcs;
431
432                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
433                 if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
434                         printk(KERN_ERR "Unable to register NAND device\n");
435         }
436 }
437
438 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
439
440         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
441         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
442         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
443
444         .phy_reset  = true,
445         .reset_gpio_port[0]  = -EINVAL,
446         .reset_gpio_port[1]  = 147,
447         .reset_gpio_port[2]  = -EINVAL
448 };
449
450 #ifdef CONFIG_OMAP_MUX
451 static struct omap_board_mux board_mux[] __initdata = {
452         { .reg_offset = OMAP_MUX_TERMINATOR },
453 };
454 #else
455 #define board_mux       NULL
456 #endif
457
458 static struct omap_musb_board_data musb_board_data = {
459         .interface_type         = MUSB_INTERFACE_ULPI,
460         .mode                   = MUSB_OTG,
461         .power                  = 100,
462 };
463
464 static void __init omap3_beagle_init(void)
465 {
466         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
467         omap3_beagle_i2c_init();
468         platform_add_devices(omap3_beagle_devices,
469                         ARRAY_SIZE(omap3_beagle_devices));
470         omap_serial_init();
471
472         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
473         gpio_request(170, "DVI_nPD");
474         /* REVISIT leave DVI powered down until it's needed ... */
475         gpio_direction_output(170, true);
476
477         usb_musb_init(&musb_board_data);
478         usb_ehci_init(&ehci_pdata);
479         omap3beagle_flash_init();
480
481         /* Ensure SDRC pins are mux'd for self-refresh */
482         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
483         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
484
485         beagle_display_init();
486 }
487
488 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
489         /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
490         .phys_io        = 0x48000000,
491         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
492         .boot_params    = 0x80000100,
493         .map_io         = omap3_map_io,
494         .reserve        = omap_reserve,
495         .init_irq       = omap3_beagle_init_irq,
496         .init_machine   = omap3_beagle_init,
497         .timer          = &omap_timer,
498 MACHINE_END