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1/*
2 * linux/arch/arm/mach-omap1/board-osk.c
3 *
4 * Board specific init for OMAP5912 OSK
5 *
6 * Written by Dirk Behme <dirk.behme@de.bosch.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28#include <linux/gpio.h>
29#include <linux/gpio/machine.h>
30#include <linux/kernel.h>
31#include <linux/init.h>
32#include <linux/platform_device.h>
33#include <linux/interrupt.h>
34#include <linux/irq.h>
35#include <linux/i2c.h>
36#include <linux/leds.h>
37#include <linux/smc91x.h>
38#include <linux/omapfb.h>
39#include <linux/mtd/mtd.h>
40#include <linux/mtd/partitions.h>
41#include <linux/mtd/physmap.h>
42#include <linux/mfd/tps65010.h>
43#include <linux/platform_data/gpio-omap.h>
44#include <linux/platform_data/omap1_bl.h>
45
46#include <asm/mach-types.h>
47#include <asm/mach/arch.h>
48#include <asm/mach/map.h>
49
50#include "flash.h"
51#include <mach/mux.h>
52#include <mach/tc.h>
53
54#include <mach/hardware.h>
55#include <mach/usb.h>
56
57#include "common.h"
58
59/* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
60#define OMAP_GPIO_LABEL "gpio-0-15"
61
62/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
63#define OMAP_OSK_ETHR_START 0x04800300
64
65/* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with
66 * alternate pin configurations for hardware-controlled blinking.
67 */
68#define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
69# define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0)
70# define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1)
71# define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2)
72# define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3)
73# define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4)
74# define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5)
75
76static struct mtd_partition osk_partitions[] = {
77 /* bootloader (U-Boot, etc) in first sector */
78 {
79 .name = "bootloader",
80 .offset = 0,
81 .size = SZ_128K,
82 .mask_flags = MTD_WRITEABLE, /* force read-only */
83 },
84 /* bootloader params in the next sector */
85 {
86 .name = "params",
87 .offset = MTDPART_OFS_APPEND,
88 .size = SZ_128K,
89 .mask_flags = 0,
90 }, {
91 .name = "kernel",
92 .offset = MTDPART_OFS_APPEND,
93 .size = SZ_2M,
94 .mask_flags = 0
95 }, {
96 .name = "filesystem",
97 .offset = MTDPART_OFS_APPEND,
98 .size = MTDPART_SIZ_FULL,
99 .mask_flags = 0
100 }
101};
102
103static struct physmap_flash_data osk_flash_data = {
104 .width = 2,
105 .set_vpp = omap1_set_vpp,
106 .parts = osk_partitions,
107 .nr_parts = ARRAY_SIZE(osk_partitions),
108};
109
110static struct resource osk_flash_resource = {
111 /* this is on CS3, wherever it's mapped */
112 .flags = IORESOURCE_MEM,
113};
114
115static struct platform_device osk5912_flash_device = {
116 .name = "physmap-flash",
117 .id = 0,
118 .dev = {
119 .platform_data = &osk_flash_data,
120 },
121 .num_resources = 1,
122 .resource = &osk_flash_resource,
123};
124
125static struct smc91x_platdata osk5912_smc91x_info = {
126 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
127 .leda = RPC_LED_100_10,
128 .ledb = RPC_LED_TX_RX,
129};
130
131static struct resource osk5912_smc91x_resources[] = {
132 [0] = {
133 .start = OMAP_OSK_ETHR_START, /* Physical */
134 .end = OMAP_OSK_ETHR_START + 0xf,
135 .flags = IORESOURCE_MEM,
136 },
137 [1] = {
138 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
139 },
140};
141
142static struct platform_device osk5912_smc91x_device = {
143 .name = "smc91x",
144 .id = -1,
145 .dev = {
146 .platform_data = &osk5912_smc91x_info,
147 },
148 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
149 .resource = osk5912_smc91x_resources,
150};
151
152static struct resource osk5912_cf_resources[] = {
153 [0] = {
154 .flags = IORESOURCE_IRQ,
155 },
156};
157
158static struct platform_device osk5912_cf_device = {
159 .name = "omap_cf",
160 .id = -1,
161 .dev = {
162 .platform_data = (void *) 2 /* CS2 */,
163 },
164 .num_resources = ARRAY_SIZE(osk5912_cf_resources),
165 .resource = osk5912_cf_resources,
166};
167
168static struct platform_device *osk5912_devices[] __initdata = {
169 &osk5912_flash_device,
170 &osk5912_smc91x_device,
171 &osk5912_cf_device,
172};
173
174static const struct gpio_led tps_leds[] = {
175 /* NOTE: D9 and D2 have hardware blink support.
176 * Also, D9 requires non-battery power.
177 */
178 { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
179 .default_trigger = "disk-activity", },
180 { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
181 { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
182 .default_trigger = "heartbeat", },
183};
184
185static struct gpio_led_platform_data tps_leds_data = {
186 .num_leds = 3,
187 .leds = tps_leds,
188};
189
190static struct platform_device osk5912_tps_leds = {
191 .name = "leds-gpio",
192 .id = 0,
193 .dev.platform_data = &tps_leds_data,
194};
195
196static int osk_tps_setup(struct i2c_client *client, void *context)
197{
198 if (!IS_BUILTIN(CONFIG_TPS65010))
199 return -ENOSYS;
200
201 /* Set GPIO 1 HIGH to disable VBUS power supply;
202 * OHCI driver powers it up/down as needed.
203 */
204 gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
205 gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
206
207 /* Set GPIO 2 high so LED D3 is off by default */
208 tps65010_set_gpio_out_value(GPIO2, HIGH);
209
210 /* Set GPIO 3 low to take ethernet out of reset */
211 gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
212 gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
213
214 /* GPIO4 is VDD_DSP */
215 gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
216 gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
217 /* REVISIT if DSP support isn't configured, power it off ... */
218
219 /* Let LED1 (D9) blink; leds-gpio may override it */
220 tps65010_set_led(LED1, BLINK);
221
222 /* Set LED2 off by default */
223 tps65010_set_led(LED2, OFF);
224
225 /* Enable LOW_PWR handshake */
226 tps65010_set_low_pwr(ON);
227
228 /* Switch VLDO2 to 3.0V for AIC23 */
229 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
230 | TPS_LDO1_ENABLE);
231
232 /* register these three LEDs */
233 osk5912_tps_leds.dev.parent = &client->dev;
234 platform_device_register(&osk5912_tps_leds);
235
236 return 0;
237}
238
239static struct tps65010_board tps_board = {
240 .base = OSK_TPS_GPIO_BASE,
241 .outmask = 0x0f,
242 .setup = osk_tps_setup,
243};
244
245static struct i2c_board_info __initdata osk_i2c_board_info[] = {
246 {
247 /* This device will get the name "i2c-tps65010" */
248 I2C_BOARD_INFO("tps65010", 0x48),
249 .dev_name = "tps65010",
250 .platform_data = &tps_board,
251
252 },
253 {
254 I2C_BOARD_INFO("tlv320aic23", 0x1B),
255 },
256 /* TODO when driver support is ready:
257 * - optionally on Mistral, ov9640 camera sensor at 0x30
258 */
259};
260
261static void __init osk_init_smc91x(void)
262{
263 u32 l;
264
265 if ((gpio_request(0, "smc_irq")) < 0) {
266 printk("Error requesting gpio 0 for smc91x irq\n");
267 return;
268 }
269
270 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
271 l = omap_readl(EMIFS_CCS(1));
272 l |= 0x3;
273 omap_writel(l, EMIFS_CCS(1));
274}
275
276static void __init osk_init_cf(void)
277{
278 omap_cfg_reg(M7_1610_GPIO62);
279 if ((gpio_request(62, "cf_irq")) < 0) {
280 printk("Error requesting gpio 62 for CF irq\n");
281 return;
282 }
283 /* the CF I/O IRQ is really active-low */
284 irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
285}
286
287static struct gpiod_lookup_table osk_usb_gpio_table = {
288 .dev_id = "ohci",
289 .table = {
290 /* Power GPIO on the I2C-attached TPS65010 */
291 GPIO_LOOKUP("i2c-tps65010", 1, "power", GPIO_ACTIVE_HIGH),
292 GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
293 GPIO_ACTIVE_HIGH),
294 },
295};
296
297static struct omap_usb_config osk_usb_config __initdata = {
298 /* has usb host connector (A) ... for development it can also
299 * be used, with a NONSTANDARD gender-bending cable/dongle, as
300 * a peripheral.
301 */
302#if IS_ENABLED(CONFIG_USB_OMAP)
303 .register_dev = 1,
304 .hmc_mode = 0,
305#else
306 .register_host = 1,
307 .hmc_mode = 16,
308 .rwc = 1,
309#endif
310 .pins[0] = 2,
311};
312
313#ifdef CONFIG_OMAP_OSK_MISTRAL
314static const struct omap_lcd_config osk_lcd_config __initconst = {
315 .ctrl_name = "internal",
316};
317#endif
318
319#ifdef CONFIG_OMAP_OSK_MISTRAL
320
321#include <linux/input.h>
322#include <linux/property.h>
323#include <linux/spi/spi.h>
324#include <linux/spi/ads7846.h>
325
326#include <linux/platform_data/keypad-omap.h>
327
328static const struct property_entry mistral_at24_properties[] = {
329 PROPERTY_ENTRY_U32("pagesize", 16),
330 { }
331};
332
333static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
334 {
335 /* NOTE: powered from LCD supply */
336 I2C_BOARD_INFO("24c04", 0x50),
337 .properties = mistral_at24_properties,
338 },
339 /* TODO when driver support is ready:
340 * - optionally ov9640 camera sensor at 0x30
341 */
342};
343
344static const unsigned int osk_keymap[] = {
345 /* KEY(col, row, code) */
346 KEY(0, 0, KEY_F1), /* SW4 */
347 KEY(3, 0, KEY_UP), /* (sw2/up) */
348 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
349 KEY(2, 1, KEY_LEFT), /* (sw2/left) */
350 KEY(0, 2, KEY_SPACE), /* SW3 */
351 KEY(1, 2, KEY_ESC), /* SW6 */
352 KEY(2, 2, KEY_DOWN), /* (sw2/down) */
353 KEY(2, 3, KEY_ENTER), /* (sw2/select) */
354 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
355};
356
357static const struct matrix_keymap_data osk_keymap_data = {
358 .keymap = osk_keymap,
359 .keymap_size = ARRAY_SIZE(osk_keymap),
360};
361
362static struct omap_kp_platform_data osk_kp_data = {
363 .rows = 8,
364 .cols = 8,
365 .keymap_data = &osk_keymap_data,
366 .delay = 9,
367};
368
369static struct resource osk5912_kp_resources[] = {
370 [0] = {
371 .start = INT_KEYBOARD,
372 .end = INT_KEYBOARD,
373 .flags = IORESOURCE_IRQ,
374 },
375};
376
377static struct platform_device osk5912_kp_device = {
378 .name = "omap-keypad",
379 .id = -1,
380 .dev = {
381 .platform_data = &osk_kp_data,
382 },
383 .num_resources = ARRAY_SIZE(osk5912_kp_resources),
384 .resource = osk5912_kp_resources,
385};
386
387static struct omap_backlight_config mistral_bl_data = {
388 .default_intensity = 0xa0,
389};
390
391static struct platform_device mistral_bl_device = {
392 .name = "omap-bl",
393 .id = -1,
394 .dev = {
395 .platform_data = &mistral_bl_data,
396 },
397};
398
399static struct platform_device osk5912_lcd_device = {
400 .name = "lcd_osk",
401 .id = -1,
402};
403
404static const struct gpio_led mistral_gpio_led_pins[] = {
405 {
406 .name = "mistral:red",
407 .default_trigger = "heartbeat",
408 .gpio = 3,
409 },
410 {
411 .name = "mistral:green",
412 .default_trigger = "cpu0",
413 .gpio = OMAP_MPUIO(4),
414 },
415};
416
417static struct gpio_led_platform_data mistral_gpio_led_data = {
418 .leds = mistral_gpio_led_pins,
419 .num_leds = ARRAY_SIZE(mistral_gpio_led_pins),
420};
421
422static struct platform_device mistral_gpio_leds = {
423 .name = "leds-gpio",
424 .id = -1,
425 .dev = {
426 .platform_data = &mistral_gpio_led_data,
427 },
428};
429
430static struct platform_device *mistral_devices[] __initdata = {
431 &osk5912_kp_device,
432 &mistral_bl_device,
433 &osk5912_lcd_device,
434 &mistral_gpio_leds,
435};
436
437static int mistral_get_pendown_state(void)
438{
439 return !gpio_get_value(4);
440}
441
442static const struct ads7846_platform_data mistral_ts_info = {
443 .model = 7846,
444 .vref_delay_usecs = 100, /* internal, no capacitor */
445 .x_plate_ohms = 419,
446 .y_plate_ohms = 486,
447 .get_pendown_state = mistral_get_pendown_state,
448};
449
450static struct spi_board_info __initdata mistral_boardinfo[] = { {
451 /* MicroWire (bus 2) CS0 has an ads7846e */
452 .modalias = "ads7846",
453 .platform_data = &mistral_ts_info,
454 .max_speed_hz = 120000 /* max sample rate at 3V */
455 * 26 /* command + data + overhead */,
456 .bus_num = 2,
457 .chip_select = 0,
458} };
459
460static irqreturn_t
461osk_mistral_wake_interrupt(int irq, void *ignored)
462{
463 return IRQ_HANDLED;
464}
465
466static void __init osk_mistral_init(void)
467{
468 /* NOTE: we could actually tell if there's a Mistral board
469 * attached, e.g. by trying to read something from the ads7846.
470 * But this arch_init() code is too early for that, since we
471 * can't talk to the ads or even the i2c eeprom.
472 */
473
474 /* parallel camera interface */
475 omap_cfg_reg(J15_1610_CAM_LCLK);
476 omap_cfg_reg(J18_1610_CAM_D7);
477 omap_cfg_reg(J19_1610_CAM_D6);
478 omap_cfg_reg(J14_1610_CAM_D5);
479 omap_cfg_reg(K18_1610_CAM_D4);
480 omap_cfg_reg(K19_1610_CAM_D3);
481 omap_cfg_reg(K15_1610_CAM_D2);
482 omap_cfg_reg(K14_1610_CAM_D1);
483 omap_cfg_reg(L19_1610_CAM_D0);
484 omap_cfg_reg(L18_1610_CAM_VS);
485 omap_cfg_reg(L15_1610_CAM_HS);
486 omap_cfg_reg(M19_1610_CAM_RSTZ);
487 omap_cfg_reg(Y15_1610_CAM_OUTCLK);
488
489 /* serial camera interface */
490 omap_cfg_reg(H19_1610_CAM_EXCLK);
491 omap_cfg_reg(W13_1610_CCP_CLKM);
492 omap_cfg_reg(Y12_1610_CCP_CLKP);
493 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
494 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
495 omap_cfg_reg(W14_1610_CCP_DATAP);
496
497 /* CAM_PWDN */
498 if (gpio_request(11, "cam_pwdn") == 0) {
499 omap_cfg_reg(N20_1610_GPIO11);
500 gpio_direction_output(11, 0);
501 } else
502 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
503
504
505 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
506 gpio_request(6, "ts_busy");
507 gpio_direction_input(6);
508
509 omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
510 gpio_request(4, "ts_int");
511 gpio_direction_input(4);
512 irq_set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
513
514 mistral_boardinfo[0].irq = gpio_to_irq(4);
515 spi_register_board_info(mistral_boardinfo,
516 ARRAY_SIZE(mistral_boardinfo));
517
518 /* the sideways button (SW1) is for use as a "wakeup" button
519 *
520 * NOTE: The Mistral board has the wakeup button (SW1) wired
521 * to the LCD 3.3V rail, which is powered down during suspend.
522 * To allow this button to wake up the omap, work around this
523 * HW bug by rewiring SW1 to use the main 3.3V rail.
524 */
525 omap_cfg_reg(N15_1610_MPUIO2);
526 if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
527 int ret = 0;
528 int irq = gpio_to_irq(OMAP_MPUIO(2));
529
530 gpio_direction_input(OMAP_MPUIO(2));
531 irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
532 /* share the IRQ in case someone wants to use the
533 * button for more than wakeup from system sleep.
534 */
535 ret = request_irq(irq,
536 &osk_mistral_wake_interrupt,
537 IRQF_SHARED, "mistral_wakeup",
538 &osk_mistral_wake_interrupt);
539 if (ret != 0) {
540 gpio_free(OMAP_MPUIO(2));
541 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
542 ret);
543 } else
544 enable_irq_wake(irq);
545 } else
546 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
547
548 /* LCD: backlight, and power; power controls other devices on the
549 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
550 */
551 omap_cfg_reg(PWL);
552 if (gpio_request(2, "lcd_pwr") == 0)
553 gpio_direction_output(2, 1);
554
555 /*
556 * GPIO based LEDs
557 */
558 omap_cfg_reg(P18_1610_GPIO3);
559 omap_cfg_reg(MPUIO4);
560
561 i2c_register_board_info(1, mistral_i2c_board_info,
562 ARRAY_SIZE(mistral_i2c_board_info));
563
564 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
565}
566#else
567static void __init osk_mistral_init(void) { }
568#endif
569
570#define EMIFS_CS3_VAL (0x88013141)
571
572static void __init osk_init(void)
573{
574 u32 l;
575
576 osk_init_smc91x();
577 osk_init_cf();
578
579 /* Workaround for wrong CS3 (NOR flash) timing
580 * There are some U-Boot versions out there which configure
581 * wrong CS3 memory timings. This mainly leads to CRC
582 * or similar errors if you use NOR flash (e.g. with JFFS2)
583 */
584 l = omap_readl(EMIFS_CCS(3));
585 if (l != EMIFS_CS3_VAL)
586 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
587
588 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
589 osk_flash_resource.end += SZ_32M - 1;
590 osk5912_smc91x_resources[1].start = gpio_to_irq(0);
591 osk5912_smc91x_resources[1].end = gpio_to_irq(0);
592 osk5912_cf_resources[0].start = gpio_to_irq(62);
593 osk5912_cf_resources[0].end = gpio_to_irq(62);
594 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
595
596 l = omap_readl(USB_TRANSCEIVER_CTRL);
597 l |= (3 << 1);
598 omap_writel(l, USB_TRANSCEIVER_CTRL);
599
600 gpiod_add_lookup_table(&osk_usb_gpio_table);
601 omap1_usb_init(&osk_usb_config);
602
603 /* irq for tps65010 chip */
604 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
605 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
606 gpio_direction_input(OMAP_MPUIO(1));
607
608 omap_serial_init();
609 osk_i2c_board_info[0].irq = gpio_to_irq(OMAP_MPUIO(1));
610 omap_register_i2c_bus(1, 400, osk_i2c_board_info,
611 ARRAY_SIZE(osk_i2c_board_info));
612 osk_mistral_init();
613
614#ifdef CONFIG_OMAP_OSK_MISTRAL
615 omapfb_set_lcd_config(&osk_lcd_config);
616#endif
617
618}
619
620MACHINE_START(OMAP_OSK, "TI-OSK")
621 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
622 .atag_offset = 0x100,
623 .map_io = omap16xx_map_io,
624 .init_early = omap1_init_early,
625 .init_irq = omap1_init_irq,
626 .handle_irq = omap1_handle_irq,
627 .init_machine = osk_init,
628 .init_late = omap1_init_late,
629 .init_time = omap1_timer_init,
630 .restart = omap1_restart,
631MACHINE_END
1/*
2 * linux/arch/arm/mach-omap1/board-osk.c
3 *
4 * Board specific init for OMAP5912 OSK
5 *
6 * Written by Dirk Behme <dirk.behme@de.bosch.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28#include <linux/gpio.h>
29#include <linux/gpio/machine.h>
30#include <linux/kernel.h>
31#include <linux/init.h>
32#include <linux/platform_device.h>
33#include <linux/interrupt.h>
34#include <linux/irq.h>
35#include <linux/i2c.h>
36#include <linux/leds.h>
37#include <linux/smc91x.h>
38#include <linux/omapfb.h>
39#include <linux/mtd/mtd.h>
40#include <linux/mtd/partitions.h>
41#include <linux/mtd/physmap.h>
42#include <linux/mfd/tps65010.h>
43#include <linux/platform_data/gpio-omap.h>
44#include <linux/platform_data/omap1_bl.h>
45#include <linux/soc/ti/omap1-io.h>
46
47#include <asm/mach-types.h>
48#include <asm/mach/arch.h>
49#include <asm/mach/map.h>
50
51#include "tc.h"
52#include "flash.h"
53#include "mux.h"
54#include "hardware.h"
55#include "usb.h"
56#include "common.h"
57
58/* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
59#define OMAP_GPIO_LABEL "gpio-0-15"
60
61/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
62#define OMAP_OSK_ETHR_START 0x04800300
63
64/* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with
65 * alternate pin configurations for hardware-controlled blinking.
66 */
67#define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
68# define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0)
69# define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1)
70# define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2)
71# define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3)
72# define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4)
73# define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5)
74
75static struct mtd_partition osk_partitions[] = {
76 /* bootloader (U-Boot, etc) in first sector */
77 {
78 .name = "bootloader",
79 .offset = 0,
80 .size = SZ_128K,
81 .mask_flags = MTD_WRITEABLE, /* force read-only */
82 },
83 /* bootloader params in the next sector */
84 {
85 .name = "params",
86 .offset = MTDPART_OFS_APPEND,
87 .size = SZ_128K,
88 .mask_flags = 0,
89 }, {
90 .name = "kernel",
91 .offset = MTDPART_OFS_APPEND,
92 .size = SZ_2M,
93 .mask_flags = 0
94 }, {
95 .name = "filesystem",
96 .offset = MTDPART_OFS_APPEND,
97 .size = MTDPART_SIZ_FULL,
98 .mask_flags = 0
99 }
100};
101
102static struct physmap_flash_data osk_flash_data = {
103 .width = 2,
104 .set_vpp = omap1_set_vpp,
105 .parts = osk_partitions,
106 .nr_parts = ARRAY_SIZE(osk_partitions),
107};
108
109static struct resource osk_flash_resource = {
110 /* this is on CS3, wherever it's mapped */
111 .flags = IORESOURCE_MEM,
112};
113
114static struct platform_device osk5912_flash_device = {
115 .name = "physmap-flash",
116 .id = 0,
117 .dev = {
118 .platform_data = &osk_flash_data,
119 },
120 .num_resources = 1,
121 .resource = &osk_flash_resource,
122};
123
124static struct smc91x_platdata osk5912_smc91x_info = {
125 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
126 .leda = RPC_LED_100_10,
127 .ledb = RPC_LED_TX_RX,
128};
129
130static struct resource osk5912_smc91x_resources[] = {
131 [0] = {
132 .start = OMAP_OSK_ETHR_START, /* Physical */
133 .end = OMAP_OSK_ETHR_START + 0xf,
134 .flags = IORESOURCE_MEM,
135 },
136 [1] = {
137 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
138 },
139};
140
141static struct platform_device osk5912_smc91x_device = {
142 .name = "smc91x",
143 .id = -1,
144 .dev = {
145 .platform_data = &osk5912_smc91x_info,
146 },
147 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
148 .resource = osk5912_smc91x_resources,
149};
150
151static struct resource osk5912_cf_resources[] = {
152 [0] = {
153 .flags = IORESOURCE_IRQ,
154 },
155 [1] = {
156 .flags = IORESOURCE_MEM,
157 },
158};
159
160static struct platform_device osk5912_cf_device = {
161 .name = "omap_cf",
162 .id = -1,
163 .num_resources = ARRAY_SIZE(osk5912_cf_resources),
164 .resource = osk5912_cf_resources,
165};
166
167static struct platform_device *osk5912_devices[] __initdata = {
168 &osk5912_flash_device,
169 &osk5912_smc91x_device,
170 &osk5912_cf_device,
171};
172
173static const struct gpio_led tps_leds[] = {
174 /* NOTE: D9 and D2 have hardware blink support.
175 * Also, D9 requires non-battery power.
176 */
177 { .gpio = OSK_TPS_GPIO_LED_D9, .name = "d9",
178 .default_trigger = "disk-activity", },
179 { .gpio = OSK_TPS_GPIO_LED_D2, .name = "d2", },
180 { .gpio = OSK_TPS_GPIO_LED_D3, .name = "d3", .active_low = 1,
181 .default_trigger = "heartbeat", },
182};
183
184static struct gpio_led_platform_data tps_leds_data = {
185 .num_leds = 3,
186 .leds = tps_leds,
187};
188
189static struct platform_device osk5912_tps_leds = {
190 .name = "leds-gpio",
191 .id = 0,
192 .dev.platform_data = &tps_leds_data,
193};
194
195static int osk_tps_setup(struct i2c_client *client, void *context)
196{
197 if (!IS_BUILTIN(CONFIG_TPS65010))
198 return -ENOSYS;
199
200 /* Set GPIO 1 HIGH to disable VBUS power supply;
201 * OHCI driver powers it up/down as needed.
202 */
203 gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
204 gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
205 /* Free the GPIO again as the driver will request it */
206 gpio_free(OSK_TPS_GPIO_USB_PWR_EN);
207
208 /* Set GPIO 2 high so LED D3 is off by default */
209 tps65010_set_gpio_out_value(GPIO2, HIGH);
210
211 /* Set GPIO 3 low to take ethernet out of reset */
212 gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
213 gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
214
215 /* GPIO4 is VDD_DSP */
216 gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
217 gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
218 /* REVISIT if DSP support isn't configured, power it off ... */
219
220 /* Let LED1 (D9) blink; leds-gpio may override it */
221 tps65010_set_led(LED1, BLINK);
222
223 /* Set LED2 off by default */
224 tps65010_set_led(LED2, OFF);
225
226 /* Enable LOW_PWR handshake */
227 tps65010_set_low_pwr(ON);
228
229 /* Switch VLDO2 to 3.0V for AIC23 */
230 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
231 | TPS_LDO1_ENABLE);
232
233 /* register these three LEDs */
234 osk5912_tps_leds.dev.parent = &client->dev;
235 platform_device_register(&osk5912_tps_leds);
236
237 return 0;
238}
239
240static struct tps65010_board tps_board = {
241 .base = OSK_TPS_GPIO_BASE,
242 .outmask = 0x0f,
243 .setup = osk_tps_setup,
244};
245
246static struct i2c_board_info __initdata osk_i2c_board_info[] = {
247 {
248 /* This device will get the name "i2c-tps65010" */
249 I2C_BOARD_INFO("tps65010", 0x48),
250 .dev_name = "tps65010",
251 .platform_data = &tps_board,
252
253 },
254 {
255 I2C_BOARD_INFO("tlv320aic23", 0x1B),
256 },
257 /* TODO when driver support is ready:
258 * - optionally on Mistral, ov9640 camera sensor at 0x30
259 */
260};
261
262static void __init osk_init_smc91x(void)
263{
264 u32 l;
265
266 if ((gpio_request(0, "smc_irq")) < 0) {
267 printk("Error requesting gpio 0 for smc91x irq\n");
268 return;
269 }
270
271 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
272 l = omap_readl(EMIFS_CCS(1));
273 l |= 0x3;
274 omap_writel(l, EMIFS_CCS(1));
275}
276
277static void __init osk_init_cf(int seg)
278{
279 struct resource *res = &osk5912_cf_resources[1];
280
281 omap_cfg_reg(M7_1610_GPIO62);
282 if ((gpio_request(62, "cf_irq")) < 0) {
283 printk("Error requesting gpio 62 for CF irq\n");
284 return;
285 }
286
287 switch (seg) {
288 /* NOTE: CS0 could be configured too ... */
289 case 1:
290 res->start = OMAP_CS1_PHYS;
291 break;
292 case 2:
293 res->start = OMAP_CS2_PHYS;
294 break;
295 case 3:
296 res->start = omap_cs3_phys();
297 break;
298 }
299
300 res->end = res->start + SZ_8K - 1;
301 osk5912_cf_device.dev.platform_data = (void *)(uintptr_t)seg;
302
303 /* NOTE: better EMIFS setup might support more cards; but the
304 * TRM only shows how to affect regular flash signals, not their
305 * CF/PCMCIA variants...
306 */
307 pr_debug("%s: cs%d, previous ccs %08x acs %08x\n", __func__,
308 seg, omap_readl(EMIFS_CCS(seg)), omap_readl(EMIFS_ACS(seg)));
309 omap_writel(0x0004a1b3, EMIFS_CCS(seg)); /* synch mode 4 etc */
310 omap_writel(0x00000000, EMIFS_ACS(seg)); /* OE hold/setup */
311
312 /* the CF I/O IRQ is really active-low */
313 irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
314}
315
316static struct gpiod_lookup_table osk_usb_gpio_table = {
317 .dev_id = "ohci",
318 .table = {
319 /* Power GPIO on the I2C-attached TPS65010 */
320 GPIO_LOOKUP("tps65010", 0, "power", GPIO_ACTIVE_HIGH),
321 GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
322 GPIO_ACTIVE_HIGH),
323 },
324};
325
326static struct omap_usb_config osk_usb_config __initdata = {
327 /* has usb host connector (A) ... for development it can also
328 * be used, with a NONSTANDARD gender-bending cable/dongle, as
329 * a peripheral.
330 */
331#if IS_ENABLED(CONFIG_USB_OMAP)
332 .register_dev = 1,
333 .hmc_mode = 0,
334#else
335 .register_host = 1,
336 .hmc_mode = 16,
337 .rwc = 1,
338#endif
339 .pins[0] = 2,
340};
341
342#ifdef CONFIG_OMAP_OSK_MISTRAL
343static const struct omap_lcd_config osk_lcd_config __initconst = {
344 .ctrl_name = "internal",
345};
346#endif
347
348#ifdef CONFIG_OMAP_OSK_MISTRAL
349
350#include <linux/input.h>
351#include <linux/property.h>
352#include <linux/spi/spi.h>
353#include <linux/spi/ads7846.h>
354
355#include <linux/platform_data/keypad-omap.h>
356
357static const struct property_entry mistral_at24_properties[] = {
358 PROPERTY_ENTRY_U32("pagesize", 16),
359 { }
360};
361
362static const struct software_node mistral_at24_node = {
363 .properties = mistral_at24_properties,
364};
365
366static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
367 {
368 /* NOTE: powered from LCD supply */
369 I2C_BOARD_INFO("24c04", 0x50),
370 .swnode = &mistral_at24_node,
371 },
372 /* TODO when driver support is ready:
373 * - optionally ov9640 camera sensor at 0x30
374 */
375};
376
377static const unsigned int osk_keymap[] = {
378 /* KEY(col, row, code) */
379 KEY(0, 0, KEY_F1), /* SW4 */
380 KEY(3, 0, KEY_UP), /* (sw2/up) */
381 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
382 KEY(2, 1, KEY_LEFT), /* (sw2/left) */
383 KEY(0, 2, KEY_SPACE), /* SW3 */
384 KEY(1, 2, KEY_ESC), /* SW6 */
385 KEY(2, 2, KEY_DOWN), /* (sw2/down) */
386 KEY(2, 3, KEY_ENTER), /* (sw2/select) */
387 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
388};
389
390static const struct matrix_keymap_data osk_keymap_data = {
391 .keymap = osk_keymap,
392 .keymap_size = ARRAY_SIZE(osk_keymap),
393};
394
395static struct omap_kp_platform_data osk_kp_data = {
396 .rows = 8,
397 .cols = 8,
398 .keymap_data = &osk_keymap_data,
399 .delay = 9,
400};
401
402static struct resource osk5912_kp_resources[] = {
403 [0] = {
404 .start = INT_KEYBOARD,
405 .end = INT_KEYBOARD,
406 .flags = IORESOURCE_IRQ,
407 },
408};
409
410static struct platform_device osk5912_kp_device = {
411 .name = "omap-keypad",
412 .id = -1,
413 .dev = {
414 .platform_data = &osk_kp_data,
415 },
416 .num_resources = ARRAY_SIZE(osk5912_kp_resources),
417 .resource = osk5912_kp_resources,
418};
419
420static struct omap_backlight_config mistral_bl_data = {
421 .default_intensity = 0xa0,
422};
423
424static struct platform_device mistral_bl_device = {
425 .name = "omap-bl",
426 .id = -1,
427 .dev = {
428 .platform_data = &mistral_bl_data,
429 },
430};
431
432static struct platform_device osk5912_lcd_device = {
433 .name = "lcd_osk",
434 .id = -1,
435};
436
437static const struct gpio_led mistral_gpio_led_pins[] = {
438 {
439 .name = "mistral:red",
440 .default_trigger = "heartbeat",
441 .gpio = 3,
442 },
443 {
444 .name = "mistral:green",
445 .default_trigger = "cpu0",
446 .gpio = OMAP_MPUIO(4),
447 },
448};
449
450static struct gpio_led_platform_data mistral_gpio_led_data = {
451 .leds = mistral_gpio_led_pins,
452 .num_leds = ARRAY_SIZE(mistral_gpio_led_pins),
453};
454
455static struct platform_device mistral_gpio_leds = {
456 .name = "leds-gpio",
457 .id = -1,
458 .dev = {
459 .platform_data = &mistral_gpio_led_data,
460 },
461};
462
463static struct platform_device *mistral_devices[] __initdata = {
464 &osk5912_kp_device,
465 &mistral_bl_device,
466 &osk5912_lcd_device,
467 &mistral_gpio_leds,
468};
469
470static int mistral_get_pendown_state(void)
471{
472 return !gpio_get_value(4);
473}
474
475static const struct ads7846_platform_data mistral_ts_info = {
476 .model = 7846,
477 .vref_delay_usecs = 100, /* internal, no capacitor */
478 .x_plate_ohms = 419,
479 .y_plate_ohms = 486,
480 .get_pendown_state = mistral_get_pendown_state,
481};
482
483static struct spi_board_info __initdata mistral_boardinfo[] = { {
484 /* MicroWire (bus 2) CS0 has an ads7846e */
485 .modalias = "ads7846",
486 .platform_data = &mistral_ts_info,
487 .max_speed_hz = 120000 /* max sample rate at 3V */
488 * 26 /* command + data + overhead */,
489 .bus_num = 2,
490 .chip_select = 0,
491} };
492
493static irqreturn_t
494osk_mistral_wake_interrupt(int irq, void *ignored)
495{
496 return IRQ_HANDLED;
497}
498
499static void __init osk_mistral_init(void)
500{
501 /* NOTE: we could actually tell if there's a Mistral board
502 * attached, e.g. by trying to read something from the ads7846.
503 * But this arch_init() code is too early for that, since we
504 * can't talk to the ads or even the i2c eeprom.
505 */
506
507 /* parallel camera interface */
508 omap_cfg_reg(J15_1610_CAM_LCLK);
509 omap_cfg_reg(J18_1610_CAM_D7);
510 omap_cfg_reg(J19_1610_CAM_D6);
511 omap_cfg_reg(J14_1610_CAM_D5);
512 omap_cfg_reg(K18_1610_CAM_D4);
513 omap_cfg_reg(K19_1610_CAM_D3);
514 omap_cfg_reg(K15_1610_CAM_D2);
515 omap_cfg_reg(K14_1610_CAM_D1);
516 omap_cfg_reg(L19_1610_CAM_D0);
517 omap_cfg_reg(L18_1610_CAM_VS);
518 omap_cfg_reg(L15_1610_CAM_HS);
519 omap_cfg_reg(M19_1610_CAM_RSTZ);
520 omap_cfg_reg(Y15_1610_CAM_OUTCLK);
521
522 /* serial camera interface */
523 omap_cfg_reg(H19_1610_CAM_EXCLK);
524 omap_cfg_reg(W13_1610_CCP_CLKM);
525 omap_cfg_reg(Y12_1610_CCP_CLKP);
526 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
527 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
528 omap_cfg_reg(W14_1610_CCP_DATAP);
529
530 /* CAM_PWDN */
531 if (gpio_request(11, "cam_pwdn") == 0) {
532 omap_cfg_reg(N20_1610_GPIO11);
533 gpio_direction_output(11, 0);
534 } else
535 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
536
537
538 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
539 gpio_request(6, "ts_busy");
540 gpio_direction_input(6);
541
542 omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
543 gpio_request(4, "ts_int");
544 gpio_direction_input(4);
545 irq_set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
546
547 mistral_boardinfo[0].irq = gpio_to_irq(4);
548 spi_register_board_info(mistral_boardinfo,
549 ARRAY_SIZE(mistral_boardinfo));
550
551 /* the sideways button (SW1) is for use as a "wakeup" button
552 *
553 * NOTE: The Mistral board has the wakeup button (SW1) wired
554 * to the LCD 3.3V rail, which is powered down during suspend.
555 * To allow this button to wake up the omap, work around this
556 * HW bug by rewiring SW1 to use the main 3.3V rail.
557 */
558 omap_cfg_reg(N15_1610_MPUIO2);
559 if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
560 int ret = 0;
561 int irq = gpio_to_irq(OMAP_MPUIO(2));
562
563 gpio_direction_input(OMAP_MPUIO(2));
564 irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
565 /* share the IRQ in case someone wants to use the
566 * button for more than wakeup from system sleep.
567 */
568 ret = request_irq(irq,
569 &osk_mistral_wake_interrupt,
570 IRQF_SHARED, "mistral_wakeup",
571 &osk_mistral_wake_interrupt);
572 if (ret != 0) {
573 gpio_free(OMAP_MPUIO(2));
574 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
575 ret);
576 } else
577 enable_irq_wake(irq);
578 } else
579 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
580
581 /* LCD: backlight, and power; power controls other devices on the
582 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
583 */
584 omap_cfg_reg(PWL);
585 if (gpio_request(2, "lcd_pwr") == 0)
586 gpio_direction_output(2, 1);
587
588 /*
589 * GPIO based LEDs
590 */
591 omap_cfg_reg(P18_1610_GPIO3);
592 omap_cfg_reg(MPUIO4);
593
594 i2c_register_board_info(1, mistral_i2c_board_info,
595 ARRAY_SIZE(mistral_i2c_board_info));
596
597 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
598}
599#else
600static void __init osk_mistral_init(void) { }
601#endif
602
603#define EMIFS_CS3_VAL (0x88013141)
604
605static void __init osk_init(void)
606{
607 u32 l;
608
609 osk_init_smc91x();
610 osk_init_cf(2); /* CS2 */
611
612 /* Workaround for wrong CS3 (NOR flash) timing
613 * There are some U-Boot versions out there which configure
614 * wrong CS3 memory timings. This mainly leads to CRC
615 * or similar errors if you use NOR flash (e.g. with JFFS2)
616 */
617 l = omap_readl(EMIFS_CCS(3));
618 if (l != EMIFS_CS3_VAL)
619 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
620
621 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
622 osk_flash_resource.end += SZ_32M - 1;
623 osk5912_smc91x_resources[1].start = gpio_to_irq(0);
624 osk5912_smc91x_resources[1].end = gpio_to_irq(0);
625 osk5912_cf_resources[0].start = gpio_to_irq(62);
626 osk5912_cf_resources[0].end = gpio_to_irq(62);
627 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
628
629 l = omap_readl(USB_TRANSCEIVER_CTRL);
630 l |= (3 << 1);
631 omap_writel(l, USB_TRANSCEIVER_CTRL);
632
633 gpiod_add_lookup_table(&osk_usb_gpio_table);
634 omap1_usb_init(&osk_usb_config);
635
636 /* irq for tps65010 chip */
637 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
638 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
639 gpio_direction_input(OMAP_MPUIO(1));
640
641 omap_serial_init();
642 osk_i2c_board_info[0].irq = gpio_to_irq(OMAP_MPUIO(1));
643 omap_register_i2c_bus(1, 400, osk_i2c_board_info,
644 ARRAY_SIZE(osk_i2c_board_info));
645 osk_mistral_init();
646
647#ifdef CONFIG_OMAP_OSK_MISTRAL
648 omapfb_set_lcd_config(&osk_lcd_config);
649#endif
650
651}
652
653MACHINE_START(OMAP_OSK, "TI-OSK")
654 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
655 .atag_offset = 0x100,
656 .map_io = omap16xx_map_io,
657 .init_early = omap1_init_early,
658 .init_irq = omap1_init_irq,
659 .handle_irq = omap1_handle_irq,
660 .init_machine = osk_init,
661 .init_late = omap1_init_late,
662 .init_time = omap1_timer_init,
663 .restart = omap1_restart,
664MACHINE_END