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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#include <linux/usb/phy.h>
40
41#include <linux/platform_data/mtd-nand-omap2.h>
42#include <linux/platform_data/spi-omap2-mcspi.h>
43
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
49#include <video/omapdss.h>
50#include <video/omap-panel-data.h>
51
52#include "common.h"
53#include "mux.h"
54#include "sdram-micron-mt46h32m32lf-6.h"
55#include "gpmc.h"
56#include "hsmmc.h"
57#include "board-flash.h"
58#include "common-board-devices.h"
59
60#define NAND_CS 0
61
62#define OVERO_GPIO_BT_XGATE 15
63#define OVERO_GPIO_W2W_NRESET 16
64#define OVERO_GPIO_PENDOWN 114
65#define OVERO_GPIO_BT_NRESET 164
66#define OVERO_GPIO_USBH_CPEN 168
67#define OVERO_GPIO_USBH_NRESET 183
68
69#define OVERO_SMSC911X_CS 5
70#define OVERO_SMSC911X_GPIO 176
71#define OVERO_SMSC911X_NRESET 64
72#define OVERO_SMSC911X2_CS 4
73#define OVERO_SMSC911X2_GPIO 65
74
75
76static bool overo_use_lcd35;
77
78#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
79 defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
80
81
82static struct regulator_consumer_supply ads7846_supply[] = {
83 REGULATOR_SUPPLY("vcc", "spi1.0"),
84};
85
86static struct regulator_init_data vads7846_regulator = {
87 .constraints = {
88 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
89 },
90 .num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
91 .consumer_supplies = ads7846_supply,
92};
93
94static struct fixed_voltage_config vads7846 = {
95 .supply_name = "vads7846",
96 .microvolts = 3300000,
97 .gpio = -EINVAL,
98 .startup_delay = 0,
99 .init_data = &vads7846_regulator,
100};
101
102static struct platform_device vads7846_device = {
103 .name = "reg-fixed-voltage",
104 .id = 1,
105 .dev = {
106 .platform_data = &vads7846,
107 },
108};
109
110static void __init overo_ads7846_init(void)
111{
112 omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
113 platform_device_register(&vads7846_device);
114}
115
116#else
117static inline void __init overo_ads7846_init(void) { return; }
118#endif
119
120#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
121
122#include <linux/smsc911x.h>
123#include "gpmc-smsc911x.h"
124
125static struct omap_smsc911x_platform_data smsc911x_cfg = {
126 .id = 0,
127 .cs = OVERO_SMSC911X_CS,
128 .gpio_irq = OVERO_SMSC911X_GPIO,
129 .gpio_reset = OVERO_SMSC911X_NRESET,
130 .flags = SMSC911X_USE_32BIT,
131};
132
133static struct omap_smsc911x_platform_data smsc911x2_cfg = {
134 .id = 1,
135 .cs = OVERO_SMSC911X2_CS,
136 .gpio_irq = OVERO_SMSC911X2_GPIO,
137 .gpio_reset = -EINVAL,
138 .flags = SMSC911X_USE_32BIT,
139};
140
141static void __init overo_init_smsc911x(void)
142{
143 gpmc_smsc911x_init(&smsc911x_cfg);
144 gpmc_smsc911x_init(&smsc911x2_cfg);
145}
146
147#else
148static inline void __init overo_init_smsc911x(void) { return; }
149#endif
150
151
152#define OVERO_GPIO_LCD_EN 144
153#define OVERO_GPIO_LCD_BL 145
154
155static struct connector_atv_platform_data overo_tv_pdata = {
156 .name = "tv",
157 .source = "venc.0",
158 .connector_type = OMAP_DSS_VENC_TYPE_SVIDEO,
159 .invert_polarity = false,
160};
161
162static struct platform_device overo_tv_connector_device = {
163 .name = "connector-analog-tv",
164 .id = 0,
165 .dev.platform_data = &overo_tv_pdata,
166};
167
168static const struct display_timing overo_lcd43_videomode = {
169 .pixelclock = { 0, 9200000, 0 },
170
171 .hactive = { 0, 480, 0 },
172 .hfront_porch = { 0, 8, 0 },
173 .hback_porch = { 0, 4, 0 },
174 .hsync_len = { 0, 41, 0 },
175
176 .vactive = { 0, 272, 0 },
177 .vfront_porch = { 0, 4, 0 },
178 .vback_porch = { 0, 2, 0 },
179 .vsync_len = { 0, 10, 0 },
180
181 .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
182 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE,
183};
184
185static struct panel_dpi_platform_data overo_lcd43_pdata = {
186 .name = "lcd43",
187 .source = "dpi.0",
188
189 .data_lines = 24,
190
191 .display_timing = &overo_lcd43_videomode,
192
193 .enable_gpio = OVERO_GPIO_LCD_EN,
194 .backlight_gpio = OVERO_GPIO_LCD_BL,
195};
196
197static struct platform_device overo_lcd43_device = {
198 .name = "panel-dpi",
199 .id = 0,
200 .dev.platform_data = &overo_lcd43_pdata,
201};
202
203static struct connector_dvi_platform_data overo_dvi_connector_pdata = {
204 .name = "dvi",
205 .source = "tfp410.0",
206 .i2c_bus_num = 3,
207};
208
209static struct platform_device overo_dvi_connector_device = {
210 .name = "connector-dvi",
211 .id = 0,
212 .dev.platform_data = &overo_dvi_connector_pdata,
213};
214
215static struct encoder_tfp410_platform_data overo_tfp410_pdata = {
216 .name = "tfp410.0",
217 .source = "dpi.0",
218 .data_lines = 24,
219 .power_down_gpio = -1,
220};
221
222static struct platform_device overo_tfp410_device = {
223 .name = "tfp410",
224 .id = 0,
225 .dev.platform_data = &overo_tfp410_pdata,
226};
227
228static struct omap_dss_board_info overo_dss_data = {
229 .default_display_name = "lcd43",
230};
231
232static void __init overo_display_init(void)
233{
234 omap_display_init(&overo_dss_data);
235
236 if (!overo_use_lcd35)
237 platform_device_register(&overo_lcd43_device);
238 platform_device_register(&overo_tfp410_device);
239 platform_device_register(&overo_dvi_connector_device);
240 platform_device_register(&overo_tv_connector_device);
241}
242
243static struct mtd_partition overo_nand_partitions[] = {
244 {
245 .name = "xloader",
246 .offset = 0,
247 .size = 4 * NAND_BLOCK_SIZE,
248 .mask_flags = MTD_WRITEABLE
249 },
250 {
251 .name = "uboot",
252 .offset = MTDPART_OFS_APPEND,
253 .size = 14 * NAND_BLOCK_SIZE,
254 },
255 {
256 .name = "uboot environment",
257 .offset = MTDPART_OFS_APPEND,
258 .size = 2 * NAND_BLOCK_SIZE,
259 },
260 {
261 .name = "linux",
262 .offset = MTDPART_OFS_APPEND,
263 .size = 32 * NAND_BLOCK_SIZE,
264 },
265 {
266 .name = "rootfs",
267 .offset = MTDPART_OFS_APPEND,
268 .size = MTDPART_SIZ_FULL,
269 },
270};
271
272static struct omap2_hsmmc_info mmc[] = {
273 {
274 .mmc = 1,
275 .caps = MMC_CAP_4_BIT_DATA,
276 .gpio_cd = -EINVAL,
277 .gpio_wp = -EINVAL,
278 },
279 {
280 .mmc = 2,
281 .caps = MMC_CAP_4_BIT_DATA,
282 .gpio_cd = -EINVAL,
283 .gpio_wp = -EINVAL,
284 .transceiver = true,
285 .ocr_mask = 0x00100000,
286 },
287 {}
288};
289
290static struct regulator_consumer_supply overo_vmmc1_supply[] = {
291 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
292};
293
294#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
295#include <linux/leds.h>
296
297static struct gpio_led gpio_leds[] = {
298 {
299 .name = "overo:red:gpio21",
300 .default_trigger = "heartbeat",
301 .gpio = 21,
302 .active_low = true,
303 },
304 {
305 .name = "overo:blue:gpio22",
306 .default_trigger = "none",
307 .gpio = 22,
308 .active_low = true,
309 },
310 {
311 .name = "overo:blue:COM",
312 .default_trigger = "mmc0",
313 .gpio = -EINVAL,
314 .active_low = true,
315 },
316};
317
318static struct gpio_led_platform_data gpio_leds_pdata = {
319 .leds = gpio_leds,
320 .num_leds = ARRAY_SIZE(gpio_leds),
321};
322
323static struct platform_device gpio_leds_device = {
324 .name = "leds-gpio",
325 .id = -1,
326 .dev = {
327 .platform_data = &gpio_leds_pdata,
328 },
329};
330
331static void __init overo_init_led(void)
332{
333 platform_device_register(&gpio_leds_device);
334}
335
336#else
337static inline void __init overo_init_led(void) { return; }
338#endif
339
340#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
341#include <linux/input.h>
342#include <linux/gpio_keys.h>
343
344static struct gpio_keys_button gpio_buttons[] = {
345 {
346 .code = BTN_0,
347 .gpio = 23,
348 .desc = "button0",
349 .wakeup = 1,
350 },
351 {
352 .code = BTN_1,
353 .gpio = 14,
354 .desc = "button1",
355 .wakeup = 1,
356 },
357};
358
359static struct gpio_keys_platform_data gpio_keys_pdata = {
360 .buttons = gpio_buttons,
361 .nbuttons = ARRAY_SIZE(gpio_buttons),
362};
363
364static struct platform_device gpio_keys_device = {
365 .name = "gpio-keys",
366 .id = -1,
367 .dev = {
368 .platform_data = &gpio_keys_pdata,
369 },
370};
371
372static void __init overo_init_keys(void)
373{
374 platform_device_register(&gpio_keys_device);
375}
376
377#else
378static inline void __init overo_init_keys(void) { return; }
379#endif
380
381static int overo_twl_gpio_setup(struct device *dev,
382 unsigned gpio, unsigned ngpio)
383{
384#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
385
386 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
387#endif
388
389 return 0;
390}
391
392static struct twl4030_gpio_platform_data overo_gpio_data = {
393 .use_leds = true,
394 .setup = overo_twl_gpio_setup,
395};
396
397static struct regulator_init_data overo_vmmc1 = {
398 .constraints = {
399 .min_uV = 1850000,
400 .max_uV = 3150000,
401 .valid_modes_mask = REGULATOR_MODE_NORMAL
402 | REGULATOR_MODE_STANDBY,
403 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
404 | REGULATOR_CHANGE_MODE
405 | REGULATOR_CHANGE_STATUS,
406 },
407 .num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
408 .consumer_supplies = overo_vmmc1_supply,
409};
410
411static struct twl4030_platform_data overo_twldata = {
412 .gpio = &overo_gpio_data,
413 .vmmc1 = &overo_vmmc1,
414};
415
416static int __init overo_i2c_init(void)
417{
418 omap3_pmic_get_config(&overo_twldata,
419 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
420 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
421
422 overo_twldata.vpll2->constraints.name = "VDVI";
423
424 omap3_pmic_init("tps65950", &overo_twldata);
425
426 omap_register_i2c_bus(3, 400, NULL, 0);
427 return 0;
428}
429
430static struct panel_lb035q02_platform_data overo_lcd35_pdata = {
431 .name = "lcd35",
432 .source = "dpi.0",
433
434 .data_lines = 24,
435
436 .enable_gpio = OVERO_GPIO_LCD_EN,
437 .backlight_gpio = OVERO_GPIO_LCD_BL,
438};
439
440
441
442
443
444
445
446static struct spi_board_info overo_spi_board_info[] __initdata = {
447 {
448 .modalias = "panel_lgphilips_lb035q02",
449 .bus_num = 1,
450 .chip_select = 1,
451 .max_speed_hz = 500000,
452 .mode = SPI_MODE_3,
453 .platform_data = &overo_lcd35_pdata,
454 },
455};
456
457static int __init overo_spi_init(void)
458{
459 overo_ads7846_init();
460
461 if (overo_use_lcd35) {
462 spi_register_board_info(overo_spi_board_info,
463 ARRAY_SIZE(overo_spi_board_info));
464 }
465 return 0;
466}
467
468static struct usbhs_phy_data phy_data[] __initdata = {
469 {
470 .port = 2,
471 .reset_gpio = OVERO_GPIO_USBH_NRESET,
472 .vcc_gpio = -EINVAL,
473 },
474};
475
476static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
477 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
478};
479
480#ifdef CONFIG_OMAP_MUX
481static struct omap_board_mux board_mux[] __initdata = {
482 { .reg_offset = OMAP_MUX_TERMINATOR },
483};
484#endif
485
486static struct gpio overo_bt_gpios[] __initdata = {
487 { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
488 { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
489};
490
491static struct regulator_consumer_supply dummy_supplies[] = {
492 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
493 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
494 REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
495 REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
496};
497
498static void __init overo_init(void)
499{
500 int ret;
501
502 if (strstr(boot_command_line, "omapdss.def_disp=lcd35"))
503 overo_use_lcd35 = true;
504
505 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
506 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
507 overo_i2c_init();
508 omap_hsmmc_init(mmc);
509 omap_serial_init();
510 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
511 mt46h32m32lf6_sdrc_params);
512 board_nand_init(overo_nand_partitions,
513 ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
514 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
515 usb_musb_init(NULL);
516
517 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
518 usbhs_init(&usbhs_bdata);
519 overo_spi_init();
520 overo_init_smsc911x();
521 overo_init_led();
522 overo_init_keys();
523 omap_twl4030_audio_init("overo", NULL);
524
525 overo_display_init();
526
527
528 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
529 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
530
531 ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
532 "OVERO_GPIO_W2W_NRESET");
533 if (ret == 0) {
534 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
535 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
536 udelay(10);
537 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
538 } else {
539 pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
540 }
541
542 ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
543 if (ret) {
544 pr_err("%s: could not obtain BT gpios\n", __func__);
545 } else {
546 gpio_export(OVERO_GPIO_BT_XGATE, 0);
547 gpio_export(OVERO_GPIO_BT_NRESET, 0);
548 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
549 mdelay(6);
550 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
551 }
552
553 ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
554 "OVERO_GPIO_USBH_CPEN");
555 if (ret == 0)
556 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
557 else
558 pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
559}
560
561MACHINE_START(OVERO, "Gumstix Overo")
562 .atag_offset = 0x100,
563 .reserve = omap_reserve,
564 .map_io = omap3_map_io,
565 .init_early = omap35xx_init_early,
566 .init_irq = omap3_init_irq,
567 .init_machine = overo_init,
568 .init_late = omap35xx_init_late,
569 .init_time = omap3_sync32k_timer_init,
570 .restart = omap3xxx_restart,
571MACHINE_END
572
