blob: ab5c37d9540b817c91b1730f930aac19f2c9d3d8 [file] [log] [blame]
Gregoire Gentil7a079ca2009-12-11 16:16:34 -08001/*
2 * linux/arch/arm/mach-omap2/board-omap3touchbook.c
3 *
4 * Copyright (C) 2009 Always Innovating
5 *
6 * Modified from mach-omap2/board-omap3beagleboard.c
7 *
8 * Initial code: Grégoire Gentil, Tim Yamin
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>
Sukumar Ghorai3a638332010-09-15 14:49:23 +000030#include <linux/mmc/host.h>
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080031
32#include <plat/mcspi.h>
33#include <linux/spi/spi.h>
34
35#include <linux/spi/ads7846.h>
36
37#include <linux/regulator/machine.h>
Balaji T Kebeb53e2009-12-15 20:09:02 +053038#include <linux/i2c/twl.h>
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080039
40#include <mach/hardware.h>
41#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/flash.h>
45
46#include <plat/board.h>
47#include <plat/common.h>
48#include <plat/gpmc.h>
49#include <plat/nand.h>
50#include <plat/usb.h>
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080051
52#include "mux.h"
Adrian Hunterd02a900b2010-02-15 10:03:34 -080053#include "hsmmc.h"
Manjunath Kondaiah G04aeae72010-10-08 09:58:35 -070054#include "timer-gp.h"
Mike Rapoport96974a22011-04-25 01:09:05 +030055#include "common-board-devices.h"
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080056
57#include <asm/setup.h>
58
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080059#define OMAP3_AC_GPIO 136
60#define OMAP3_TS_GPIO 162
61#define TB_BL_PWM_TIMER 9
62#define TB_KILL_POWER_GPIO 168
63
Manjunath Kondaiah G38815732010-10-08 09:56:37 -070064static unsigned long touchbook_revision;
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080065
66static struct mtd_partition omap3touchbook_nand_partitions[] = {
67 /* All the partition sizes are listed in terms of NAND block size */
68 {
69 .name = "X-Loader",
70 .offset = 0,
71 .size = 4 * NAND_BLOCK_SIZE,
72 .mask_flags = MTD_WRITEABLE, /* force read-only */
73 },
74 {
75 .name = "U-Boot",
76 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
77 .size = 15 * NAND_BLOCK_SIZE,
78 .mask_flags = MTD_WRITEABLE, /* force read-only */
79 },
80 {
81 .name = "U-Boot Env",
82 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
83 .size = 1 * NAND_BLOCK_SIZE,
84 },
85 {
86 .name = "Kernel",
87 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
88 .size = 32 * NAND_BLOCK_SIZE,
89 },
90 {
91 .name = "File System",
92 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
93 .size = MTDPART_SIZ_FULL,
94 },
95};
96
Gregoire Gentil7a079ca2009-12-11 16:16:34 -080097#include "sdram-micron-mt46h32m32lf-6.h"
98
Adrian Hunter68ff0422010-02-15 10:03:34 -080099static struct omap2_hsmmc_info mmc[] = {
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800100 {
101 .mmc = 1,
Sukumar Ghorai3a638332010-09-15 14:49:23 +0000102 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800103 .gpio_wp = 29,
104 },
105 {} /* Terminator */
106};
107
108static struct platform_device omap3_touchbook_lcd_device = {
109 .name = "omap3touchbook_lcd",
110 .id = -1,
111};
112
113static struct omap_lcd_config omap3_touchbook_lcd_config __initdata = {
114 .ctrl_name = "internal",
115};
116
Oleg Drokin786b01a2011-06-06 18:57:07 +0000117static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
118 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800119};
120
Oleg Drokin786b01a2011-06-06 18:57:07 +0000121static struct regulator_consumer_supply touchbook_vsim_supply[] = {
122 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800123};
124
125static struct gpio_led gpio_leds[];
126
127static int touchbook_twl_gpio_setup(struct device *dev,
128 unsigned gpio, unsigned ngpio)
129{
130 if (system_rev >= 0x20 && system_rev <= 0x34301000) {
131 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
132 mmc[0].gpio_wp = 23;
133 } else {
134 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
135 }
136 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
137 mmc[0].gpio_cd = gpio + 0;
Adrian Hunter68ff0422010-02-15 10:03:34 -0800138 omap2_hsmmc_init(mmc);
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800139
140 /* link regulators to MMC adapters */
141 touchbook_vmmc1_supply.dev = mmc[0].dev;
142 touchbook_vsim_supply.dev = mmc[0].dev;
143
144 /* REVISIT: need ehci-omap hooks for external VBUS
145 * power switch and overcurrent detect
146 */
Igor Grinbergbc593f52011-05-03 18:22:09 +0300147 gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800148
149 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
Igor Grinbergbc593f52011-05-03 18:22:09 +0300150 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
151 "nEN_USB_PWR");
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800152
153 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
154 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
155
156 return 0;
157}
158
159static struct twl4030_gpio_platform_data touchbook_gpio_data = {
160 .gpio_base = OMAP_MAX_GPIO_LINES,
161 .irq_base = TWL4030_GPIO_IRQ_BASE,
162 .irq_end = TWL4030_GPIO_IRQ_END,
163 .use_leds = true,
164 .pullups = BIT(1),
165 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
166 | BIT(15) | BIT(16) | BIT(17),
167 .setup = touchbook_twl_gpio_setup,
168};
169
Oleg Drokin786b01a2011-06-06 18:57:07 +0000170static struct regulator_consumer_supply touchbook_vdac_supply[] = {
171{
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800172 .supply = "vdac",
173 .dev = &omap3_touchbook_lcd_device.dev,
Oleg Drokin786b01a2011-06-06 18:57:07 +0000174},
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800175};
176
Oleg Drokin786b01a2011-06-06 18:57:07 +0000177static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
178{
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800179 .supply = "vdvi",
180 .dev = &omap3_touchbook_lcd_device.dev,
Oleg Drokin786b01a2011-06-06 18:57:07 +0000181},
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800182};
183
184/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
185static struct regulator_init_data touchbook_vmmc1 = {
186 .constraints = {
187 .min_uV = 1850000,
188 .max_uV = 3150000,
189 .valid_modes_mask = REGULATOR_MODE_NORMAL
190 | REGULATOR_MODE_STANDBY,
191 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
192 | REGULATOR_CHANGE_MODE
193 | REGULATOR_CHANGE_STATUS,
194 },
Oleg Drokin786b01a2011-06-06 18:57:07 +0000195 .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
196 .consumer_supplies = touchbook_vmmc1_supply,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800197};
198
199/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
200static struct regulator_init_data touchbook_vsim = {
201 .constraints = {
202 .min_uV = 1800000,
203 .max_uV = 3000000,
204 .valid_modes_mask = REGULATOR_MODE_NORMAL
205 | REGULATOR_MODE_STANDBY,
206 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
207 | REGULATOR_CHANGE_MODE
208 | REGULATOR_CHANGE_STATUS,
209 },
Oleg Drokin786b01a2011-06-06 18:57:07 +0000210 .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
211 .consumer_supplies = touchbook_vsim_supply,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800212};
213
214/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
215static struct regulator_init_data touchbook_vdac = {
216 .constraints = {
217 .min_uV = 1800000,
218 .max_uV = 1800000,
219 .valid_modes_mask = REGULATOR_MODE_NORMAL
220 | REGULATOR_MODE_STANDBY,
221 .valid_ops_mask = REGULATOR_CHANGE_MODE
222 | REGULATOR_CHANGE_STATUS,
223 },
Oleg Drokin786b01a2011-06-06 18:57:07 +0000224 .num_consumer_supplies = ARRAY_SIZE(touchbook_vdac_supply),
225 .consumer_supplies = touchbook_vdac_supply,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800226};
227
228/* VPLL2 for digital video outputs */
229static struct regulator_init_data touchbook_vpll2 = {
230 .constraints = {
231 .name = "VDVI",
232 .min_uV = 1800000,
233 .max_uV = 1800000,
234 .valid_modes_mask = REGULATOR_MODE_NORMAL
235 | REGULATOR_MODE_STANDBY,
236 .valid_ops_mask = REGULATOR_CHANGE_MODE
237 | REGULATOR_CHANGE_STATUS,
238 },
Oleg Drokin786b01a2011-06-06 18:57:07 +0000239 .num_consumer_supplies = ARRAY_SIZE(touchbook_vdvi_supply),
240 .consumer_supplies = touchbook_vdvi_supply,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800241};
242
243static struct twl4030_usb_data touchbook_usb_data = {
244 .usb_mode = T2_USB_MODE_ULPI,
245};
246
Ilkka Koskinen6a58baf2011-03-02 13:24:05 +0000247static struct twl4030_codec_audio_data touchbook_audio_data;
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800248
249static struct twl4030_codec_data touchbook_codec_data = {
250 .audio_mclk = 26000000,
251 .audio = &touchbook_audio_data,
252};
253
254static struct twl4030_platform_data touchbook_twldata = {
255 .irq_base = TWL4030_IRQ_BASE,
256 .irq_end = TWL4030_IRQ_END,
257
258 /* platform_data for children goes here */
259 .usb = &touchbook_usb_data,
260 .gpio = &touchbook_gpio_data,
261 .codec = &touchbook_codec_data,
262 .vmmc1 = &touchbook_vmmc1,
263 .vsim = &touchbook_vsim,
264 .vdac = &touchbook_vdac,
265 .vpll2 = &touchbook_vpll2,
266};
267
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800268static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
269 {
270 I2C_BOARD_INFO("bq27200", 0x55),
271 },
272};
273
274static int __init omap3_touchbook_i2c_init(void)
275{
276 /* Standard TouchBook bus */
Mike Rapoportfbd80712011-04-25 01:09:06 +0300277 omap3_pmic_init("twl4030", &touchbook_twldata);
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800278
279 /* Additional TouchBook bus */
280 omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
281 ARRAY_SIZE(touchBook_i2c_boardinfo));
282
283 return 0;
284}
285
Mike Rapoport96974a22011-04-25 01:09:05 +0300286static struct ads7846_platform_data ads7846_pdata = {
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800287 .x_min = 100,
288 .y_min = 265,
289 .x_max = 3950,
290 .y_max = 3750,
291 .x_plate_ohms = 40,
292 .pressure_max = 255,
293 .debounce_max = 10,
294 .debounce_tol = 5,
295 .debounce_rep = 1,
296 .gpio_pendown = OMAP3_TS_GPIO,
297 .keep_vref_on = 1,
298};
299
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800300static struct gpio_led gpio_leds[] = {
301 {
302 .name = "touchbook::usr0",
303 .default_trigger = "heartbeat",
304 .gpio = 150,
305 },
306 {
307 .name = "touchbook::usr1",
308 .default_trigger = "mmc0",
309 .gpio = 149,
310 },
311 {
312 .name = "touchbook::pmu_stat",
313 .gpio = -EINVAL, /* gets replaced */
314 .active_low = true,
315 },
316};
317
318static struct gpio_led_platform_data gpio_led_info = {
319 .leds = gpio_leds,
320 .num_leds = ARRAY_SIZE(gpio_leds),
321};
322
323static struct platform_device leds_gpio = {
324 .name = "leds-gpio",
325 .id = -1,
326 .dev = {
327 .platform_data = &gpio_led_info,
328 },
329};
330
331static struct gpio_keys_button gpio_buttons[] = {
332 {
333 .code = BTN_EXTRA,
334 .gpio = 7,
335 .desc = "user",
336 .wakeup = 1,
337 },
338 {
339 .code = KEY_POWER,
340 .gpio = 183,
341 .desc = "power",
342 .wakeup = 1,
343 },
344};
345
346static struct gpio_keys_platform_data gpio_key_info = {
347 .buttons = gpio_buttons,
348 .nbuttons = ARRAY_SIZE(gpio_buttons),
349};
350
351static struct platform_device keys_gpio = {
352 .name = "gpio-keys",
353 .id = -1,
354 .dev = {
355 .platform_data = &gpio_key_info,
356 },
357};
358
359static struct omap_board_config_kernel omap3_touchbook_config[] __initdata = {
360 { OMAP_TAG_LCD, &omap3_touchbook_lcd_config },
361};
362
363#ifdef CONFIG_OMAP_MUX
364static struct omap_board_mux board_mux[] __initdata = {
365 { .reg_offset = OMAP_MUX_TERMINATOR },
366};
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800367#endif
368
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800369static void __init omap3_touchbook_init_early(void)
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800370{
Paul Walmsley48057342010-12-21 15:25:10 -0700371 omap2_init_common_infrastructure();
372 omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
373 mt46h32m32lf6_sdrc_params);
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800374}
375
376static void __init omap3_touchbook_init_irq(void)
377{
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800378 omap_init_irq();
379#ifdef CONFIG_OMAP_32K_TIMER
380 omap2_gp_clockevent_set_gptimer(12);
381#endif
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800382}
383
384static struct platform_device *omap3_touchbook_devices[] __initdata = {
385 &omap3_touchbook_lcd_device,
386 &leds_gpio,
387 &keys_gpio,
388};
389
Keshava Munegowda181b2502011-03-01 20:08:16 +0530390static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800391
Keshava Munegowda181b2502011-03-01 20:08:16 +0530392 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
393 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
394 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800395
396 .phy_reset = true,
397 .reset_gpio_port[0] = -EINVAL,
398 .reset_gpio_port[1] = 147,
399 .reset_gpio_port[2] = -EINVAL
400};
401
402static void omap3_touchbook_poweroff(void)
403{
Igor Grinbergbc593f52011-05-03 18:22:09 +0300404 int pwr_off = TB_KILL_POWER_GPIO;
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800405
Igor Grinbergbc593f52011-05-03 18:22:09 +0300406 if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800407 printk(KERN_ERR "Unable to get kill power GPIO\n");
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800408}
409
Tony Lindgrend2197e12010-03-09 14:59:48 -0800410static int __init early_touchbook_revision(char *p)
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800411{
Tony Lindgrend2197e12010-03-09 14:59:48 -0800412 if (!p)
413 return 0;
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800414
Tony Lindgrend2197e12010-03-09 14:59:48 -0800415 return strict_strtoul(p, 10, &touchbook_revision);
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800416}
Tony Lindgrend2197e12010-03-09 14:59:48 -0800417early_param("tbr", early_touchbook_revision);
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800418
419static void __init omap3_touchbook_init(void)
420{
Radek Pilař (Mrkva)e0530462011-02-24 19:02:49 +0100421 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
Tony Lindgrene41cccf2011-02-24 14:36:03 -0800422 omap_board_config = omap3_touchbook_config;
423 omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
424
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800425 pm_power_off = omap3_touchbook_poweroff;
426
427 omap3_touchbook_i2c_init();
428 platform_add_devices(omap3_touchbook_devices,
429 ARRAY_SIZE(omap3_touchbook_devices));
430 omap_serial_init();
431
432 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800433 /* REVISIT leave DVI powered down until it's needed ... */
Igor Grinbergbc593f52011-05-03 18:22:09 +0300434 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800435
436 /* Touchscreen and accelerometer */
Mike Rapoport96974a22011-04-25 01:09:05 +0300437 omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
Mike Rapoport9e186302011-04-27 11:56:12 +0300438 usb_musb_init(NULL);
Keshava Munegowda9e64bb12011-03-01 20:08:19 +0530439 usbhs_init(&usbhs_bdata);
Mike Rapoport9a3f39f2011-04-25 01:09:07 +0300440 omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
441 ARRAY_SIZE(omap3touchbook_nand_partitions));
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800442
443 /* Ensure SDRC pins are mux'd for self-refresh */
444 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
445 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
446}
447
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800448MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
449 /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800450 .boot_params = 0x80000100,
Russell King71ee7da2010-05-23 10:18:16 +0100451 .reserve = omap_reserve,
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800452 .map_io = omap3_map_io,
453 .init_early = omap3_touchbook_init_early,
Gregoire Gentil7a079ca2009-12-11 16:16:34 -0800454 .init_irq = omap3_touchbook_init_irq,
455 .init_machine = omap3_touchbook_init,
456 .timer = &omap_timer,
457MACHINE_END