ARM: OMAP1: Use generic map_io, init_early and init_irq
[deliverable/linux.git] / arch / arm / mach-omap1 / board-osk.c
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
29 #include <linux/kernel.h>
30 #include <linux/init.h>
31 #include <linux/platform_device.h>
32 #include <linux/interrupt.h>
33 #include <linux/irq.h>
34 #include <linux/i2c.h>
35 #include <linux/leds.h>
36 #include <linux/smc91x.h>
37
38 #include <linux/mtd/mtd.h>
39 #include <linux/mtd/partitions.h>
40 #include <linux/mtd/physmap.h>
41
42 #include <linux/i2c/tps65010.h>
43
44 #include <mach/hardware.h>
45 #include <asm/gpio.h>
46
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 #include <asm/mach/map.h>
50
51 #include <plat/flash.h>
52 #include <plat/usb.h>
53 #include <plat/mux.h>
54 #include <plat/tc.h>
55 #include <plat/common.h>
56
57 /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
58 #define OMAP_OSK_ETHR_START 0x04800300
59
60 /* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with
61 * alternate pin configurations for hardware-controlled blinking.
62 */
63 #define OSK_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
64 # define OSK_TPS_GPIO_USB_PWR_EN (OSK_TPS_GPIO_BASE + 0)
65 # define OSK_TPS_GPIO_LED_D3 (OSK_TPS_GPIO_BASE + 1)
66 # define OSK_TPS_GPIO_LAN_RESET (OSK_TPS_GPIO_BASE + 2)
67 # define OSK_TPS_GPIO_DSP_PWR_EN (OSK_TPS_GPIO_BASE + 3)
68 # define OSK_TPS_GPIO_LED_D9 (OSK_TPS_GPIO_BASE + 4)
69 # define OSK_TPS_GPIO_LED_D2 (OSK_TPS_GPIO_BASE + 5)
70
71 static struct mtd_partition osk_partitions[] = {
72 /* bootloader (U-Boot, etc) in first sector */
73 {
74 .name = "bootloader",
75 .offset = 0,
76 .size = SZ_128K,
77 .mask_flags = MTD_WRITEABLE, /* force read-only */
78 },
79 /* bootloader params in the next sector */
80 {
81 .name = "params",
82 .offset = MTDPART_OFS_APPEND,
83 .size = SZ_128K,
84 .mask_flags = 0,
85 }, {
86 .name = "kernel",
87 .offset = MTDPART_OFS_APPEND,
88 .size = SZ_2M,
89 .mask_flags = 0
90 }, {
91 .name = "filesystem",
92 .offset = MTDPART_OFS_APPEND,
93 .size = MTDPART_SIZ_FULL,
94 .mask_flags = 0
95 }
96 };
97
98 static struct physmap_flash_data osk_flash_data = {
99 .width = 2,
100 .set_vpp = omap1_set_vpp,
101 .parts = osk_partitions,
102 .nr_parts = ARRAY_SIZE(osk_partitions),
103 };
104
105 static struct resource osk_flash_resource = {
106 /* this is on CS3, wherever it's mapped */
107 .flags = IORESOURCE_MEM,
108 };
109
110 static struct platform_device osk5912_flash_device = {
111 .name = "physmap-flash",
112 .id = 0,
113 .dev = {
114 .platform_data = &osk_flash_data,
115 },
116 .num_resources = 1,
117 .resource = &osk_flash_resource,
118 };
119
120 static struct smc91x_platdata osk5912_smc91x_info = {
121 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
122 .leda = RPC_LED_100_10,
123 .ledb = RPC_LED_TX_RX,
124 };
125
126 static struct resource osk5912_smc91x_resources[] = {
127 [0] = {
128 .start = OMAP_OSK_ETHR_START, /* Physical */
129 .end = OMAP_OSK_ETHR_START + 0xf,
130 .flags = IORESOURCE_MEM,
131 },
132 [1] = {
133 .start = OMAP_GPIO_IRQ(0),
134 .end = OMAP_GPIO_IRQ(0),
135 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
136 },
137 };
138
139 static struct platform_device osk5912_smc91x_device = {
140 .name = "smc91x",
141 .id = -1,
142 .dev = {
143 .platform_data = &osk5912_smc91x_info,
144 },
145 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
146 .resource = osk5912_smc91x_resources,
147 };
148
149 static struct resource osk5912_cf_resources[] = {
150 [0] = {
151 .start = OMAP_GPIO_IRQ(62),
152 .end = OMAP_GPIO_IRQ(62),
153 .flags = IORESOURCE_IRQ,
154 },
155 };
156
157 static struct platform_device osk5912_cf_device = {
158 .name = "omap_cf",
159 .id = -1,
160 .dev = {
161 .platform_data = (void *) 2 /* CS2 */,
162 },
163 .num_resources = ARRAY_SIZE(osk5912_cf_resources),
164 .resource = osk5912_cf_resources,
165 };
166
167 static struct platform_device *osk5912_devices[] __initdata = {
168 &osk5912_flash_device,
169 &osk5912_smc91x_device,
170 &osk5912_cf_device,
171 };
172
173 static 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 = "ide-disk", },
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
184 static struct gpio_led_platform_data tps_leds_data = {
185 .num_leds = 3,
186 .leds = tps_leds,
187 };
188
189 static struct platform_device osk5912_tps_leds = {
190 .name = "leds-gpio",
191 .id = 0,
192 .dev.platform_data = &tps_leds_data,
193 };
194
195 static int osk_tps_setup(struct i2c_client *client, void *context)
196 {
197 /* Set GPIO 1 HIGH to disable VBUS power supply;
198 * OHCI driver powers it up/down as needed.
199 */
200 gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
201 gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
202
203 /* Set GPIO 2 high so LED D3 is off by default */
204 tps65010_set_gpio_out_value(GPIO2, HIGH);
205
206 /* Set GPIO 3 low to take ethernet out of reset */
207 gpio_request(OSK_TPS_GPIO_LAN_RESET, "smc_reset");
208 gpio_direction_output(OSK_TPS_GPIO_LAN_RESET, 0);
209
210 /* GPIO4 is VDD_DSP */
211 gpio_request(OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power");
212 gpio_direction_output(OSK_TPS_GPIO_DSP_PWR_EN, 1);
213 /* REVISIT if DSP support isn't configured, power it off ... */
214
215 /* Let LED1 (D9) blink; leds-gpio may override it */
216 tps65010_set_led(LED1, BLINK);
217
218 /* Set LED2 off by default */
219 tps65010_set_led(LED2, OFF);
220
221 /* Enable LOW_PWR handshake */
222 tps65010_set_low_pwr(ON);
223
224 /* Switch VLDO2 to 3.0V for AIC23 */
225 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
226 | TPS_LDO1_ENABLE);
227
228 /* register these three LEDs */
229 osk5912_tps_leds.dev.parent = &client->dev;
230 platform_device_register(&osk5912_tps_leds);
231
232 return 0;
233 }
234
235 static struct tps65010_board tps_board = {
236 .base = OSK_TPS_GPIO_BASE,
237 .outmask = 0x0f,
238 .setup = osk_tps_setup,
239 };
240
241 static struct i2c_board_info __initdata osk_i2c_board_info[] = {
242 {
243 I2C_BOARD_INFO("tps65010", 0x48),
244 .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
245 .platform_data = &tps_board,
246
247 },
248 {
249 I2C_BOARD_INFO("tlv320aic23", 0x1B),
250 },
251 /* TODO when driver support is ready:
252 * - optionally on Mistral, ov9640 camera sensor at 0x30
253 */
254 };
255
256 static void __init osk_init_smc91x(void)
257 {
258 u32 l;
259
260 if ((gpio_request(0, "smc_irq")) < 0) {
261 printk("Error requesting gpio 0 for smc91x irq\n");
262 return;
263 }
264
265 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
266 l = omap_readl(EMIFS_CCS(1));
267 l |= 0x3;
268 omap_writel(l, EMIFS_CCS(1));
269 }
270
271 static void __init osk_init_cf(void)
272 {
273 omap_cfg_reg(M7_1610_GPIO62);
274 if ((gpio_request(62, "cf_irq")) < 0) {
275 printk("Error requesting gpio 62 for CF irq\n");
276 return;
277 }
278 /* the CF I/O IRQ is really active-low */
279 irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
280 }
281
282 static struct omap_usb_config osk_usb_config __initdata = {
283 /* has usb host connector (A) ... for development it can also
284 * be used, with a NONSTANDARD gender-bending cable/dongle, as
285 * a peripheral.
286 */
287 #ifdef CONFIG_USB_GADGET_OMAP
288 .register_dev = 1,
289 .hmc_mode = 0,
290 #else
291 .register_host = 1,
292 .hmc_mode = 16,
293 .rwc = 1,
294 #endif
295 .pins[0] = 2,
296 };
297
298 #ifdef CONFIG_OMAP_OSK_MISTRAL
299 static struct omap_lcd_config osk_lcd_config __initdata = {
300 .ctrl_name = "internal",
301 };
302 #endif
303
304 static struct omap_board_config_kernel osk_config[] __initdata = {
305 #ifdef CONFIG_OMAP_OSK_MISTRAL
306 { OMAP_TAG_LCD, &osk_lcd_config },
307 #endif
308 };
309
310 #ifdef CONFIG_OMAP_OSK_MISTRAL
311
312 #include <linux/input.h>
313 #include <linux/i2c/at24.h>
314 #include <linux/spi/spi.h>
315 #include <linux/spi/ads7846.h>
316
317 #include <plat/keypad.h>
318
319 static struct at24_platform_data at24c04 = {
320 .byte_len = SZ_4K / 8,
321 .page_size = 16,
322 };
323
324 static struct i2c_board_info __initdata mistral_i2c_board_info[] = {
325 {
326 /* NOTE: powered from LCD supply */
327 I2C_BOARD_INFO("24c04", 0x50),
328 .platform_data = &at24c04,
329 },
330 /* TODO when driver support is ready:
331 * - optionally ov9640 camera sensor at 0x30
332 */
333 };
334
335 static const unsigned int osk_keymap[] = {
336 /* KEY(col, row, code) */
337 KEY(0, 0, KEY_F1), /* SW4 */
338 KEY(3, 0, KEY_UP), /* (sw2/up) */
339 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
340 KEY(2, 1, KEY_LEFT), /* (sw2/left) */
341 KEY(0, 2, KEY_SPACE), /* SW3 */
342 KEY(1, 2, KEY_ESC), /* SW6 */
343 KEY(2, 2, KEY_DOWN), /* (sw2/down) */
344 KEY(2, 3, KEY_ENTER), /* (sw2/select) */
345 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
346 };
347
348 static const struct matrix_keymap_data osk_keymap_data = {
349 .keymap = osk_keymap,
350 .keymap_size = ARRAY_SIZE(osk_keymap),
351 };
352
353 static struct omap_kp_platform_data osk_kp_data = {
354 .rows = 8,
355 .cols = 8,
356 .keymap_data = &osk_keymap_data,
357 .delay = 9,
358 };
359
360 static struct resource osk5912_kp_resources[] = {
361 [0] = {
362 .start = INT_KEYBOARD,
363 .end = INT_KEYBOARD,
364 .flags = IORESOURCE_IRQ,
365 },
366 };
367
368 static struct platform_device osk5912_kp_device = {
369 .name = "omap-keypad",
370 .id = -1,
371 .dev = {
372 .platform_data = &osk_kp_data,
373 },
374 .num_resources = ARRAY_SIZE(osk5912_kp_resources),
375 .resource = osk5912_kp_resources,
376 };
377
378 static struct omap_backlight_config mistral_bl_data = {
379 .default_intensity = 0xa0,
380 };
381
382 static struct platform_device mistral_bl_device = {
383 .name = "omap-bl",
384 .id = -1,
385 .dev = {
386 .platform_data = &mistral_bl_data,
387 },
388 };
389
390 static struct platform_device osk5912_lcd_device = {
391 .name = "lcd_osk",
392 .id = -1,
393 };
394
395 static struct platform_device *mistral_devices[] __initdata = {
396 &osk5912_kp_device,
397 &mistral_bl_device,
398 &osk5912_lcd_device,
399 };
400
401 static int mistral_get_pendown_state(void)
402 {
403 return !gpio_get_value(4);
404 }
405
406 static const struct ads7846_platform_data mistral_ts_info = {
407 .model = 7846,
408 .vref_delay_usecs = 100, /* internal, no capacitor */
409 .x_plate_ohms = 419,
410 .y_plate_ohms = 486,
411 .get_pendown_state = mistral_get_pendown_state,
412 };
413
414 static struct spi_board_info __initdata mistral_boardinfo[] = { {
415 /* MicroWire (bus 2) CS0 has an ads7846e */
416 .modalias = "ads7846",
417 .platform_data = &mistral_ts_info,
418 .irq = OMAP_GPIO_IRQ(4),
419 .max_speed_hz = 120000 /* max sample rate at 3V */
420 * 26 /* command + data + overhead */,
421 .bus_num = 2,
422 .chip_select = 0,
423 } };
424
425 #ifdef CONFIG_PM
426 static irqreturn_t
427 osk_mistral_wake_interrupt(int irq, void *ignored)
428 {
429 return IRQ_HANDLED;
430 }
431 #endif
432
433 static void __init osk_mistral_init(void)
434 {
435 /* NOTE: we could actually tell if there's a Mistral board
436 * attached, e.g. by trying to read something from the ads7846.
437 * But this arch_init() code is too early for that, since we
438 * can't talk to the ads or even the i2c eeprom.
439 */
440
441 /* parallel camera interface */
442 omap_cfg_reg(J15_1610_CAM_LCLK);
443 omap_cfg_reg(J18_1610_CAM_D7);
444 omap_cfg_reg(J19_1610_CAM_D6);
445 omap_cfg_reg(J14_1610_CAM_D5);
446 omap_cfg_reg(K18_1610_CAM_D4);
447 omap_cfg_reg(K19_1610_CAM_D3);
448 omap_cfg_reg(K15_1610_CAM_D2);
449 omap_cfg_reg(K14_1610_CAM_D1);
450 omap_cfg_reg(L19_1610_CAM_D0);
451 omap_cfg_reg(L18_1610_CAM_VS);
452 omap_cfg_reg(L15_1610_CAM_HS);
453 omap_cfg_reg(M19_1610_CAM_RSTZ);
454 omap_cfg_reg(Y15_1610_CAM_OUTCLK);
455
456 /* serial camera interface */
457 omap_cfg_reg(H19_1610_CAM_EXCLK);
458 omap_cfg_reg(W13_1610_CCP_CLKM);
459 omap_cfg_reg(Y12_1610_CCP_CLKP);
460 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
461 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */
462 omap_cfg_reg(W14_1610_CCP_DATAP);
463
464 /* CAM_PWDN */
465 if (gpio_request(11, "cam_pwdn") == 0) {
466 omap_cfg_reg(N20_1610_GPIO11);
467 gpio_direction_output(11, 0);
468 } else
469 pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
470
471
472 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */
473 gpio_request(6, "ts_busy");
474 gpio_direction_input(6);
475
476 omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */
477 gpio_request(4, "ts_int");
478 gpio_direction_input(4);
479 irq_set_irq_type(gpio_to_irq(4), IRQ_TYPE_EDGE_FALLING);
480
481 spi_register_board_info(mistral_boardinfo,
482 ARRAY_SIZE(mistral_boardinfo));
483
484 /* the sideways button (SW1) is for use as a "wakeup" button
485 *
486 * NOTE: The Mistral board has the wakeup button (SW1) wired
487 * to the LCD 3.3V rail, which is powered down during suspend.
488 * To allow this button to wake up the omap, work around this
489 * HW bug by rewiring SW1 to use the main 3.3V rail.
490 */
491 omap_cfg_reg(N15_1610_MPUIO2);
492 if (gpio_request(OMAP_MPUIO(2), "wakeup") == 0) {
493 int ret = 0;
494 int irq = gpio_to_irq(OMAP_MPUIO(2));
495
496 gpio_direction_input(OMAP_MPUIO(2));
497 irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
498 #ifdef CONFIG_PM
499 /* share the IRQ in case someone wants to use the
500 * button for more than wakeup from system sleep.
501 */
502 ret = request_irq(irq,
503 &osk_mistral_wake_interrupt,
504 IRQF_SHARED, "mistral_wakeup",
505 &osk_mistral_wake_interrupt);
506 if (ret != 0) {
507 gpio_free(OMAP_MPUIO(2));
508 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
509 ret);
510 } else
511 enable_irq_wake(irq);
512 #endif
513 } else
514 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
515
516 /* LCD: backlight, and power; power controls other devices on the
517 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
518 */
519 omap_cfg_reg(PWL);
520 if (gpio_request(2, "lcd_pwr") == 0)
521 gpio_direction_output(2, 1);
522
523 i2c_register_board_info(1, mistral_i2c_board_info,
524 ARRAY_SIZE(mistral_i2c_board_info));
525
526 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
527 }
528 #else
529 static void __init osk_mistral_init(void) { }
530 #endif
531
532 #define EMIFS_CS3_VAL (0x88013141)
533
534 static void __init osk_init(void)
535 {
536 u32 l;
537
538 osk_init_smc91x();
539 osk_init_cf();
540
541 /* Workaround for wrong CS3 (NOR flash) timing
542 * There are some U-Boot versions out there which configure
543 * wrong CS3 memory timings. This mainly leads to CRC
544 * or similar errors if you use NOR flash (e.g. with JFFS2)
545 */
546 l = omap_readl(EMIFS_CCS(3));
547 if (l != EMIFS_CS3_VAL)
548 omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
549
550 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
551 osk_flash_resource.end += SZ_32M - 1;
552 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
553 omap_board_config = osk_config;
554 omap_board_config_size = ARRAY_SIZE(osk_config);
555
556 l = omap_readl(USB_TRANSCEIVER_CTRL);
557 l |= (3 << 1);
558 omap_writel(l, USB_TRANSCEIVER_CTRL);
559
560 omap1_usb_init(&osk_usb_config);
561
562 /* irq for tps65010 chip */
563 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
564 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
565 gpio_direction_input(OMAP_MPUIO(1));
566
567 omap_serial_init();
568 omap_register_i2c_bus(1, 400, osk_i2c_board_info,
569 ARRAY_SIZE(osk_i2c_board_info));
570 osk_mistral_init();
571 }
572
573 MACHINE_START(OMAP_OSK, "TI-OSK")
574 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
575 .boot_params = 0x10000100,
576 .map_io = omap16xx_map_io,
577 .init_early = omap1_init_early,
578 .reserve = omap_reserve,
579 .init_irq = omap1_init_irq,
580 .init_machine = osk_init,
581 .timer = &omap1_timer,
582 MACHINE_END
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