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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-omap2 / board-overo.c
CommitLineData
eba2645a
SS		 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>
f9fa1bb9 27#include <linux/gpio.h>
eba2645a
SS		 28#include <linux/kernel.h>
29#include <linux/platform_device.h>
b07682b6 30#include <linux/i2c/twl.h>
bb3b9d8e 31#include <linux/regulator/machine.h>
ca0a6a64 32#include <linux/regulator/fixed.h>
7b12d7b6 33#include <linux/spi/spi.h>
eba2645a
SS		 34
35#include <linux/mtd/mtd.h>
36#include <linux/mtd/nand.h>
37#include <linux/mtd/partitions.h>
3a63833e 38#include <linux/mmc/host.h>
51482be9 39#include <linux/usb/phy.h>
eba2645a 40
2203747c
AB		 41#include <linux/platform_data/mtd-nand-omap2.h>
42#include <linux/platform_data/spi-omap2-mcspi.h>
43
eba2645a
SS		 44#include <asm/mach-types.h>
45#include <asm/mach/arch.h>
46#include <asm/mach/flash.h>
47#include <asm/mach/map.h>
48
a0b38cc4 49#include <video/omapdss.h>
f8ae2f08 50#include <video/omap-panel-generic-dpi.h>
dac8eb5f 51#include <video/omap-panel-tfp410.h>
eba2645a 52
6d02643d 53#include "common.h"
ca5742bd 54#include "mux.h"
2e12bd7e 55#include "sdram-micron-mt46h32m32lf-6.h"
6d02643d 56#include "gpmc.h"
d02a900b 57#include "hsmmc.h"
2e618261 58#include "board-flash.h"
96974a24 59#include "common-board-devices.h"
90c62bf0 60
2e618261
AM		 61#define NAND_CS 0
62
0d4d9ab0
TL		 63#define OVERO_GPIO_BT_XGATE 15
64#define OVERO_GPIO_W2W_NRESET 16
6fd210a9 65#define OVERO_GPIO_PENDOWN 114
0d4d9ab0
TL		 66#define OVERO_GPIO_BT_NRESET 164
67#define OVERO_GPIO_USBH_CPEN 168
68#define OVERO_GPIO_USBH_NRESET 183
69
172ef275
SS		 70#define OVERO_SMSC911X_CS 5
71#define OVERO_SMSC911X_GPIO 176
5c9a29ed
SS		 72#define OVERO_SMSC911X2_CS 4
73#define OVERO_SMSC911X2_GPIO 65
172ef275 74
c6a81316
SS		 75#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
76 defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
77
ca0a6a64 78/* fixed regulator for ads7846 */
786b01a8
OD		 79static struct regulator_consumer_supply ads7846_supply[] = {
80 REGULATOR_SUPPLY("vcc", "spi1.0"),
81};
ca0a6a64
SS		 82
83static struct regulator_init_data vads7846_regulator = {
84 .constraints = {
85 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
86 },
786b01a8
OD		 87 .num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
88 .consumer_supplies = ads7846_supply,
ca0a6a64
SS		 89};
90
91static struct fixed_voltage_config vads7846 = {
92 .supply_name = "vads7846",
93 .microvolts = 3300000, /* 3.3V */
94 .gpio = -EINVAL,
95 .startup_delay = 0,
96 .init_data = &vads7846_regulator,
97};
98
99static struct platform_device vads7846_device = {
100 .name = "reg-fixed-voltage",
101 .id = 1,
102 .dev = {
103 .platform_data = &vads7846,
104 },
c6a81316
SS		 105};
106
107static void __init overo_ads7846_init(void)
108{
96974a24 109 omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
ca0a6a64 110 platform_device_register(&vads7846_device);
c6a81316
SS		 111}
112
113#else
114static inline void __init overo_ads7846_init(void) { return; }
115#endif
116
172ef275
SS		 117#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
118
119#include <linux/smsc911x.h>
ac839b3c 120#include "gpmc-smsc911x.h"
172ef275 121
21b42731 122static struct omap_smsc911x_platform_data smsc911x_cfg = {
5c9a29ed 123 .id = 0,
21b42731
MR		 124 .cs = OVERO_SMSC911X_CS,
125 .gpio_irq = OVERO_SMSC911X_GPIO,
126 .gpio_reset = -EINVAL,
127 .flags = SMSC911X_USE_32BIT,
172ef275
SS		 128};
129
21b42731 130static struct omap_smsc911x_platform_data smsc911x2_cfg = {
a5ba7ae2 131 .id = 1,
21b42731
MR		 132 .cs = OVERO_SMSC911X2_CS,
133 .gpio_irq = OVERO_SMSC911X2_GPIO,
134 .gpio_reset = -EINVAL,
135 .flags = SMSC911X_USE_32BIT,
a5ba7ae2
SS		 136};
137
21b42731 138static void __init overo_init_smsc911x(void)
172ef275 139{
21b42731
MR		 140 gpmc_smsc911x_init(&smsc911x_cfg);
141 gpmc_smsc911x_init(&smsc911x2_cfg);
172ef275
SS		 142}
143
144#else
145static inline void __init overo_init_smsc911x(void) { return; }
146#endif
147
7b12d7b6
SS		 148/* DSS */
149static int lcd_enabled;
150static int dvi_enabled;
151
152#define OVERO_GPIO_LCD_EN 144
153#define OVERO_GPIO_LCD_BL 145
154
bc593f5d
IG		 155static struct gpio overo_dss_gpios[] __initdata = {
156 { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
157 { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
158};
159
7b12d7b6
SS		 160static void __init overo_display_init(void)
161{
bc593f5d
IG		 162 if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
163 printk(KERN_ERR "could not obtain DSS control GPIOs\n");
164 return;
165 }
7b12d7b6 166
bc593f5d
IG		 167 gpio_export(OVERO_GPIO_LCD_EN, 0);
168 gpio_export(OVERO_GPIO_LCD_BL, 0);
7b12d7b6
SS		 169}
170
2e6f2ee7 171static struct tfp410_platform_data dvi_panel = {
fcca7194 172 .i2c_bus_num = 3,
e813a55e 173 .power_down_gpio = -1,
7b12d7b6
SS		 174};
175
176static struct omap_dss_device overo_dvi_device = {
177 .name = "dvi",
178 .type = OMAP_DISPLAY_TYPE_DPI,
2e6f2ee7 179 .driver_name = "tfp410",
7b12d7b6
SS		 180 .data = &dvi_panel,
181 .phy.dpi.data_lines = 24,
182};
183
184static struct omap_dss_device overo_tv_device = {
185 .name = "tv",
186 .driver_name = "venc",
187 .type = OMAP_DISPLAY_TYPE_VENC,
188 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
189};
190
191static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
192{
193 if (dvi_enabled) {
194 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
195 return -EINVAL;
196 }
197
198 gpio_set_value(OVERO_GPIO_LCD_EN, 1);
199 gpio_set_value(OVERO_GPIO_LCD_BL, 1);
200 lcd_enabled = 1;
201 return 0;
202}
203
204static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
205{
206 gpio_set_value(OVERO_GPIO_LCD_EN, 0);
207 gpio_set_value(OVERO_GPIO_LCD_BL, 0);
208 lcd_enabled = 0;
209}
210
211static struct panel_generic_dpi_data lcd43_panel = {
212 .name = "samsung_lte430wq_f0c",
213 .platform_enable = overo_panel_enable_lcd,
214 .platform_disable = overo_panel_disable_lcd,
215};
216
217static struct omap_dss_device overo_lcd43_device = {
218 .name = "lcd43",
219 .type = OMAP_DISPLAY_TYPE_DPI,
220 .driver_name = "generic_dpi_panel",
221 .data = &lcd43_panel,
222 .phy.dpi.data_lines = 24,
223};
224
225#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
226 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
227static struct omap_dss_device overo_lcd35_device = {
228 .type = OMAP_DISPLAY_TYPE_DPI,
229 .name = "lcd35",
230 .driver_name = "lgphilips_lb035q02_panel",
231 .phy.dpi.data_lines = 24,
232 .platform_enable = overo_panel_enable_lcd,
233 .platform_disable = overo_panel_disable_lcd,
234};
235#endif
236
237static struct omap_dss_device *overo_dss_devices[] = {
238 &overo_dvi_device,
239 &overo_tv_device,
240#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
241 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
242 &overo_lcd35_device,
243#endif
244 &overo_lcd43_device,
245};
246
247static struct omap_dss_board_info overo_dss_data = {
248 .num_devices = ARRAY_SIZE(overo_dss_devices),
249 .devices = overo_dss_devices,
250 .default_device = &overo_dvi_device,
251};
252
eba2645a
SS		 253static struct mtd_partition overo_nand_partitions[] = {
254 {
255 .name = "xloader",
256 .offset = 0, /* Offset = 0x00000 */
257 .size = 4 * NAND_BLOCK_SIZE,
258 .mask_flags = MTD_WRITEABLE
259 },
260 {
261 .name = "uboot",
262 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
263 .size = 14 * NAND_BLOCK_SIZE,
264 },
265 {
266 .name = "uboot environment",
267 .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
268 .size = 2 * NAND_BLOCK_SIZE,
269 },
270 {
271 .name = "linux",
272 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
273 .size = 32 * NAND_BLOCK_SIZE,
274 },
275 {
276 .name = "rootfs",
277 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
278 .size = MTDPART_SIZ_FULL,
279 },
280};
281
68ff0423 282static struct omap2_hsmmc_info mmc[] = {
bb3b9d8e
DB		 283 {
284 .mmc = 1,
3a63833e 285 .caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e
DB		 286 .gpio_cd = -EINVAL,
287 .gpio_wp = -EINVAL,
288 },
289 {
290 .mmc = 2,
3a63833e 291 .caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e
DB		 292 .gpio_cd = -EINVAL,
293 .gpio_wp = -EINVAL,
294 .transceiver = true,
295 .ocr_mask = 0x00100000, /* 3.3V */
296 },
297 {} /* Terminator */
298};
299
786b01a8
OD		 300static struct regulator_consumer_supply overo_vmmc1_supply[] = {
301 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e
DB		 302};
303
7c94f68d
SS		 304#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
305#include <linux/leds.h>
306
307static struct gpio_led gpio_leds[] = {
308 {
309 .name = "overo:red:gpio21",
310 .default_trigger = "heartbeat",
311 .gpio = 21,
312 .active_low = true,
313 },
314 {
315 .name = "overo:blue:gpio22",
316 .default_trigger = "none",
317 .gpio = 22,
318 .active_low = true,
319 },
320 {
321 .name = "overo:blue:COM",
322 .default_trigger = "mmc0",
323 .gpio = -EINVAL, /* gets replaced */
324 .active_low = true,
325 },
326};
327
328static struct gpio_led_platform_data gpio_leds_pdata = {
329 .leds = gpio_leds,
330 .num_leds = ARRAY_SIZE(gpio_leds),
331};
332
333static struct platform_device gpio_leds_device = {
334 .name = "leds-gpio",
335 .id = -1,
336 .dev = {
337 .platform_data = &gpio_leds_pdata,
338 },
339};
340
341static void __init overo_init_led(void)
342{
343 platform_device_register(&gpio_leds_device);
344}
345
346#else
347static inline void __init overo_init_led(void) { return; }
348#endif
349
cce18a94
SS		 350#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
351#include <linux/input.h>
352#include <linux/gpio_keys.h>
353
354static struct gpio_keys_button gpio_buttons[] = {
355 {
356 .code = BTN_0,
357 .gpio = 23,
358 .desc = "button0",
359 .wakeup = 1,
360 },
361 {
362 .code = BTN_1,
363 .gpio = 14,
364 .desc = "button1",
365 .wakeup = 1,
366 },
367};
368
369static struct gpio_keys_platform_data gpio_keys_pdata = {
370 .buttons = gpio_buttons,
371 .nbuttons = ARRAY_SIZE(gpio_buttons),
372};
373
374static struct platform_device gpio_keys_device = {
375 .name = "gpio-keys",
376 .id = -1,
377 .dev = {
378 .platform_data = &gpio_keys_pdata,
379 },
380};
381
382static void __init overo_init_keys(void)
383{
384 platform_device_register(&gpio_keys_device);
385}
386
387#else
388static inline void __init overo_init_keys(void) { return; }
389#endif
390
bb3b9d8e
DB		 391static int overo_twl_gpio_setup(struct device *dev,
392 unsigned gpio, unsigned ngpio)
393{
7c94f68d
SS		 394#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
395 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
396 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
397#endif
398
bb3b9d8e
DB		 399 return 0;
400}
401
90c62bf0 402static struct twl4030_gpio_platform_data overo_gpio_data = {
7c94f68d 403 .use_leds = true,
bb3b9d8e
DB		 404 .setup = overo_twl_gpio_setup,
405};
406
bb3b9d8e
DB		 407static struct regulator_init_data overo_vmmc1 = {
408 .constraints = {
409 .min_uV = 1850000,
410 .max_uV = 3150000,
411 .valid_modes_mask = REGULATOR_MODE_NORMAL
412 | REGULATOR_MODE_STANDBY,
413 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
414 | REGULATOR_CHANGE_MODE
415 | REGULATOR_CHANGE_STATUS,
416 },
786b01a8
OD		 417 .num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
418 .consumer_supplies = overo_vmmc1_supply,
90c62bf0
TL		 419};
420
421static struct twl4030_platform_data overo_twldata = {
90c62bf0 422 .gpio = &overo_gpio_data,
bb3b9d8e 423 .vmmc1 = &overo_vmmc1,
90c62bf0
TL		 424};
425
eba2645a
SS		 426static int __init overo_i2c_init(void)
427{
827ed9ae 428 omap3_pmic_get_config(&overo_twldata,
b252b0ef
PU		 429 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
430 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
431
432 overo_twldata.vpll2->constraints.name = "VDVI";
433
fbd8071c 434 omap3_pmic_init("tps65950", &overo_twldata);
eba2645a
SS		 435 /* i2c2 pins are used for gpio */
436 omap_register_i2c_bus(3, 400, NULL, 0);
437 return 0;
438}
439
7b12d7b6 440static struct spi_board_info overo_spi_board_info[] __initdata = {
7b12d7b6
SS		 441#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
442 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
443 {
444 .modalias = "lgphilips_lb035q02_panel-spi",
445 .bus_num = 1,
446 .chip_select = 1,
447 .max_speed_hz = 500000,
448 .mode = SPI_MODE_3,
449 },
450#endif
eba2645a
SS		 451};
452
7b12d7b6
SS		 453static int __init overo_spi_init(void)
454{
455 overo_ads7846_init();
456 spi_register_board_info(overo_spi_board_info,
457 ARRAY_SIZE(overo_spi_board_info));
458 return 0;
459}
eba2645a 460
42973159 461static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
181b250c
KM		 462 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
463 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
464 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c
FB		 465 .phy_reset = true,
466 .reset_gpio_port[0] = -EINVAL,
467 .reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
468 .reset_gpio_port[2] = -EINVAL
469};
470
ca5742bd
TL		 471#ifdef CONFIG_OMAP_MUX
472static struct omap_board_mux board_mux[] __initdata = {
473 { .reg_offset = OMAP_MUX_TERMINATOR },
474};
ca5742bd 475#endif
58a5491c 476
bc593f5d
IG		 477static struct gpio overo_bt_gpios[] __initdata = {
478 { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
479 { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
884b8369
MM		 480};
481
5b3689f4
RD		 482static struct regulator_consumer_supply dummy_supplies[] = {
483 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
484 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
485 REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
486 REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
487};
488
eba2645a
SS		 489static void __init overo_init(void)
490{
bc593f5d
IG		 491 int ret;
492
5b3689f4 493 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
ca5742bd 494 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
eba2645a 495 overo_i2c_init();
95669d78 496 omap_hsmmc_init(mmc);
7b12d7b6 497 omap_display_init(&overo_dss_data);
eba2645a 498 omap_serial_init();
a4ca9dbe
TL		 499 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
500 mt46h32m32lf6_sdrc_params);
2e618261
AM		 501 board_nand_init(overo_nand_partitions,
502 ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
51482be9 503 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
9e18630b 504 usb_musb_init(NULL);
9e64bb1e 505 usbhs_init(&usbhs_bdata);
7b12d7b6 506 overo_spi_init();
172ef275 507 overo_init_smsc911x();
7b12d7b6 508 overo_display_init();
7c94f68d 509 overo_init_led();
cce18a94 510 overo_init_keys();
40234bf7 511 omap_twl4030_audio_init("overo", NULL);
eba2645a 512
9fb97412 513 /* Ensure SDRC pins are mux'd for self-refresh */
4896e394
TL		 514 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
515 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
9fb97412 516
bc593f5d
IG		 517 ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
518 "OVERO_GPIO_W2W_NRESET");
519 if (ret == 0) {
eba2645a
SS		 520 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
521 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
522 udelay(10);
523 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
524 } else {
7852ec05 525 pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
eba2645a
SS		 526 }
527
bc593f5d
IG		 528 ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
529 if (ret) {
530 pr_err("%s: could not obtain BT gpios\n", __func__);
531 } else {
eba2645a 532 gpio_export(OVERO_GPIO_BT_XGATE, 0);
eba2645a
SS		 533 gpio_export(OVERO_GPIO_BT_NRESET, 0);
534 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
535 mdelay(6);
536 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
eba2645a
SS		 537 }
538
bc593f5d
IG		 539 ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
540 "OVERO_GPIO_USBH_CPEN");
541 if (ret == 0)
eba2645a
SS		 542 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
543 else
7852ec05 544 pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
eba2645a
SS		 545}
546
eba2645a 547MACHINE_START(OVERO, "Gumstix Overo")
5e52b435 548 .atag_offset = 0x100,
71ee7dad 549 .reserve = omap_reserve,
3dc3bad6 550 .map_io = omap3_map_io,
8f5b5a41 551 .init_early = omap35xx_init_early,
741e3a89 552 .init_irq = omap3_init_irq,
6b2f55d7 553 .handle_irq = omap3_intc_handle_irq,
eba2645a 554 .init_machine = overo_init,
bbd707ac 555 .init_late = omap35xx_init_late,
6bb27d73 556 .init_time = omap3_sync32k_timer_init,
187e3e06 557 .restart = omap3xxx_restart,
eba2645a 558MACHINE_END
kernel source for telekom puls (alcatel/mediatek)