Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / arch / arm / mach-at91 / board-sam9m10g45ek.c
1 /*
2 * Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
3 *
4 * Covers: * AT91SAM9G45-EKES board
5 * * AT91SAM9M10G45-EK board
6 *
7 * Copyright (C) 2009 Atmel Corporation.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 */
15
16 #include <linux/types.h>
17 #include <linux/gpio.h>
18 #include <linux/init.h>
19 #include <linux/mm.h>
20 #include <linux/module.h>
21 #include <linux/platform_device.h>
22 #include <linux/spi/spi.h>
23 #include <linux/fb.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <linux/leds.h>
27 #include <linux/atmel-mci.h>
28 #include <linux/delay.h>
29 #include <linux/pwm.h>
30 #include <linux/leds_pwm.h>
31
32 #include <linux/platform_data/at91_adc.h>
33
34 #include <mach/hardware.h>
35 #include <video/atmel_lcdc.h>
36 #include <media/soc_camera.h>
37 #include <media/atmel-isi.h>
38
39 #include <asm/setup.h>
40 #include <asm/mach-types.h>
41 #include <asm/irq.h>
42
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46
47 #include <mach/at91sam9_smc.h>
48 #include <mach/system_rev.h>
49
50 #include "at91_aic.h"
51 #include "at91_shdwc.h"
52 #include "board.h"
53 #include "sam9_smc.h"
54 #include "generic.h"
55 #include "gpio.h"
56
57
58 static void __init ek_init_early(void)
59 {
60 /* Initialize processor: 12.000 MHz crystal */
61 at91_initialize(12000000);
62 }
63
64 /*
65 * USB HS Host port (common to OHCI & EHCI)
66 */
67 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
68 .ports = 2,
69 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
70 .vbus_pin_active_low = {1, 1},
71 .overcurrent_pin= {-EINVAL, -EINVAL},
72 };
73
74
75 /*
76 * USB HS Device port
77 */
78 static struct usba_platform_data __initdata ek_usba_udc_data = {
79 .vbus_pin = AT91_PIN_PB19,
80 };
81
82
83 /*
84 * SPI devices.
85 */
86 static struct spi_board_info ek_spi_devices[] = {
87 { /* DataFlash chip */
88 .modalias = "mtd_dataflash",
89 .chip_select = 0,
90 .max_speed_hz = 15 * 1000 * 1000,
91 .bus_num = 0,
92 },
93 };
94
95
96 /*
97 * MCI (SD/MMC)
98 */
99 static struct mci_platform_data __initdata mci0_data = {
100 .slot[0] = {
101 .bus_width = 4,
102 .detect_pin = AT91_PIN_PD10,
103 .wp_pin = -EINVAL,
104 },
105 };
106
107 static struct mci_platform_data __initdata mci1_data = {
108 .slot[0] = {
109 .bus_width = 4,
110 .detect_pin = AT91_PIN_PD11,
111 .wp_pin = AT91_PIN_PD29,
112 },
113 };
114
115
116 /*
117 * MACB Ethernet device
118 */
119 static struct macb_platform_data __initdata ek_macb_data = {
120 .phy_irq_pin = AT91_PIN_PD5,
121 .is_rmii = 1,
122 };
123
124
125 /*
126 * NAND flash
127 */
128 static struct mtd_partition __initdata ek_nand_partition[] = {
129 {
130 .name = "Partition 1",
131 .offset = 0,
132 .size = SZ_64M,
133 },
134 {
135 .name = "Partition 2",
136 .offset = MTDPART_OFS_NXTBLK,
137 .size = MTDPART_SIZ_FULL,
138 },
139 };
140
141 /* det_pin is not connected */
142 static struct atmel_nand_data __initdata ek_nand_data = {
143 .ale = 21,
144 .cle = 22,
145 .rdy_pin = AT91_PIN_PC8,
146 .enable_pin = AT91_PIN_PC14,
147 .det_pin = -EINVAL,
148 .ecc_mode = NAND_ECC_SOFT,
149 .on_flash_bbt = 1,
150 .parts = ek_nand_partition,
151 .num_parts = ARRAY_SIZE(ek_nand_partition),
152 };
153
154 static struct sam9_smc_config __initdata ek_nand_smc_config = {
155 .ncs_read_setup = 0,
156 .nrd_setup = 2,
157 .ncs_write_setup = 0,
158 .nwe_setup = 2,
159
160 .ncs_read_pulse = 4,
161 .nrd_pulse = 4,
162 .ncs_write_pulse = 4,
163 .nwe_pulse = 4,
164
165 .read_cycle = 7,
166 .write_cycle = 7,
167
168 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
169 .tdf_cycles = 3,
170 };
171
172 static void __init ek_add_device_nand(void)
173 {
174 ek_nand_data.bus_width_16 = board_have_nand_16bit();
175 /* setup bus-width (8 or 16) */
176 if (ek_nand_data.bus_width_16)
177 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
178 else
179 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
180
181 /* configure chip-select 3 (NAND) */
182 sam9_smc_configure(0, 3, &ek_nand_smc_config);
183
184 at91_add_device_nand(&ek_nand_data);
185 }
186
187
188 /*
189 * ISI
190 */
191 static struct isi_platform_data __initdata isi_data = {
192 .frate = ISI_CFG1_FRATE_CAPTURE_ALL,
193 /* to use codec and preview path simultaneously */
194 .full_mode = 1,
195 .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
196 /* ISI_MCK is provided by programmable clock or external clock */
197 .mck_hz = 25000000,
198 };
199
200
201 /*
202 * soc-camera OV2640
203 */
204 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
205 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
206 static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
207 {
208 /* ISI board for ek using default 8-bits connection */
209 return SOCAM_DATAWIDTH_8;
210 }
211
212 static int i2c_camera_power(struct device *dev, int on)
213 {
214 /* enable or disable the camera */
215 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
216 at91_set_gpio_output(AT91_PIN_PD13, !on);
217
218 if (!on)
219 goto out;
220
221 /* If enabled, give a reset impulse */
222 at91_set_gpio_output(AT91_PIN_PD12, 0);
223 msleep(20);
224 at91_set_gpio_output(AT91_PIN_PD12, 1);
225 msleep(100);
226
227 out:
228 return 0;
229 }
230
231 static struct i2c_board_info i2c_camera = {
232 I2C_BOARD_INFO("ov2640", 0x30),
233 };
234
235 static struct soc_camera_link iclink_ov2640 = {
236 .bus_id = 0,
237 .board_info = &i2c_camera,
238 .i2c_adapter_id = 0,
239 .power = i2c_camera_power,
240 .query_bus_param = isi_camera_query_bus_param,
241 };
242
243 static struct platform_device isi_ov2640 = {
244 .name = "soc-camera-pdrv",
245 .id = 0,
246 .dev = {
247 .platform_data = &iclink_ov2640,
248 },
249 };
250 #endif
251
252
253 /*
254 * LCD Controller
255 */
256 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
257 static struct fb_videomode at91_tft_vga_modes[] = {
258 {
259 .name = "LG",
260 .refresh = 60,
261 .xres = 480, .yres = 272,
262 .pixclock = KHZ2PICOS(9000),
263
264 .left_margin = 1, .right_margin = 1,
265 .upper_margin = 40, .lower_margin = 1,
266 .hsync_len = 45, .vsync_len = 1,
267
268 .sync = 0,
269 .vmode = FB_VMODE_NONINTERLACED,
270 },
271 };
272
273 static struct fb_monspecs at91fb_default_monspecs = {
274 .manufacturer = "LG",
275 .monitor = "LB043WQ1",
276
277 .modedb = at91_tft_vga_modes,
278 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
279 .hfmin = 15000,
280 .hfmax = 17640,
281 .vfmin = 57,
282 .vfmax = 67,
283 };
284
285 #define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
286 | ATMEL_LCDC_DISTYPE_TFT \
287 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
288
289 /* Driver datas */
290 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
291 .lcdcon_is_backlight = true,
292 .default_bpp = 32,
293 .default_dmacon = ATMEL_LCDC_DMAEN,
294 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
295 .default_monspecs = &at91fb_default_monspecs,
296 .guard_time = 9,
297 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
298 };
299
300 #else
301 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
302 #endif
303
304
305 /*
306 * ADCs and touchscreen
307 */
308 static struct at91_adc_data ek_adc_data = {
309 .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
310 .use_external_triggers = true,
311 .vref = 3300,
312 .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE,
313 };
314
315 /*
316 * GPIO Buttons
317 */
318 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
319 static struct gpio_keys_button ek_buttons[] = {
320 { /* BP1, "leftclic" */
321 .code = BTN_LEFT,
322 .gpio = AT91_PIN_PB6,
323 .active_low = 1,
324 .desc = "left_click",
325 .wakeup = 1,
326 },
327 { /* BP2, "rightclic" */
328 .code = BTN_RIGHT,
329 .gpio = AT91_PIN_PB7,
330 .active_low = 1,
331 .desc = "right_click",
332 .wakeup = 1,
333 },
334 /* BP3, "joystick" */
335 {
336 .code = KEY_LEFT,
337 .gpio = AT91_PIN_PB14,
338 .active_low = 1,
339 .desc = "Joystick Left",
340 },
341 {
342 .code = KEY_RIGHT,
343 .gpio = AT91_PIN_PB15,
344 .active_low = 1,
345 .desc = "Joystick Right",
346 },
347 {
348 .code = KEY_UP,
349 .gpio = AT91_PIN_PB16,
350 .active_low = 1,
351 .desc = "Joystick Up",
352 },
353 {
354 .code = KEY_DOWN,
355 .gpio = AT91_PIN_PB17,
356 .active_low = 1,
357 .desc = "Joystick Down",
358 },
359 {
360 .code = KEY_ENTER,
361 .gpio = AT91_PIN_PB18,
362 .active_low = 1,
363 .desc = "Joystick Press",
364 },
365 };
366
367 static struct gpio_keys_platform_data ek_button_data = {
368 .buttons = ek_buttons,
369 .nbuttons = ARRAY_SIZE(ek_buttons),
370 };
371
372 static struct platform_device ek_button_device = {
373 .name = "gpio-keys",
374 .id = -1,
375 .num_resources = 0,
376 .dev = {
377 .platform_data = &ek_button_data,
378 }
379 };
380
381 static void __init ek_add_device_buttons(void)
382 {
383 int i;
384
385 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
386 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
387 at91_set_deglitch(ek_buttons[i].gpio, 1);
388 }
389
390 platform_device_register(&ek_button_device);
391 }
392 #else
393 static void __init ek_add_device_buttons(void) {}
394 #endif
395
396
397 /*
398 * AC97
399 * reset_pin is not connected: NRST
400 */
401 static struct ac97c_platform_data ek_ac97_data = {
402 .reset_pin = -EINVAL,
403 };
404
405
406 /*
407 * LEDs ... these could all be PWM-driven, for variable brightness
408 */
409 static struct gpio_led ek_leds[] = {
410 { /* "top" led, red, powerled */
411 .name = "d8",
412 .gpio = AT91_PIN_PD30,
413 .default_trigger = "heartbeat",
414 },
415 { /* "left" led, green, userled2, pwm3 */
416 .name = "d6",
417 .gpio = AT91_PIN_PD0,
418 .active_low = 1,
419 .default_trigger = "nand-disk",
420 },
421 #if !IS_ENABLED(CONFIG_LEDS_PWM)
422 { /* "right" led, green, userled1, pwm1 */
423 .name = "d7",
424 .gpio = AT91_PIN_PD31,
425 .active_low = 1,
426 .default_trigger = "mmc0",
427 },
428 #endif
429 };
430
431
432 /*
433 * PWM Leds
434 */
435 static struct pwm_lookup pwm_lookup[] = {
436 PWM_LOOKUP("at91sam9rl-pwm", 1, "leds_pwm", "d7",
437 5000, PWM_POLARITY_INVERSED),
438 };
439
440 #if IS_ENABLED(CONFIG_LEDS_PWM)
441 static struct led_pwm pwm_leds[] = {
442 { /* "right" led, green, userled1, pwm1 */
443 .name = "d7",
444 .max_brightness = 255,
445 },
446 };
447
448 static struct led_pwm_platform_data pwm_data = {
449 .num_leds = ARRAY_SIZE(pwm_leds),
450 .leds = pwm_leds,
451 };
452
453 static struct platform_device leds_pwm = {
454 .name = "leds_pwm",
455 .id = -1,
456 .dev = {
457 .platform_data = &pwm_data,
458 },
459 };
460 #endif
461
462 static struct platform_device *devices[] __initdata = {
463 #if defined(CONFIG_SOC_CAMERA_OV2640) || \
464 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
465 &isi_ov2640,
466 #endif
467 #if IS_ENABLED(CONFIG_LEDS_PWM)
468 &leds_pwm,
469 #endif
470 };
471
472 static void __init ek_board_init(void)
473 {
474 /* Serial */
475 /* DGBU on ttyS0. (Rx & Tx only) */
476 at91_register_uart(0, 0, 0);
477
478 /* USART0 not connected on the -EK board */
479 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
480 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
481 at91_add_device_serial();
482 /* USB HS Host */
483 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
484 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
485 /* USB HS Device */
486 at91_add_device_usba(&ek_usba_udc_data);
487 /* SPI */
488 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
489 /* MMC */
490 at91_add_device_mci(0, &mci0_data);
491 at91_add_device_mci(1, &mci1_data);
492 /* Ethernet */
493 at91_add_device_eth(&ek_macb_data);
494 /* NAND */
495 ek_add_device_nand();
496 /* I2C */
497 at91_add_device_i2c(0, NULL, 0);
498 /* ISI, using programmable clock as ISI_MCK */
499 at91_add_device_isi(&isi_data, true);
500 /* LCD Controller */
501 at91_add_device_lcdc(&ek_lcdc_data);
502 /* ADC and touchscreen */
503 at91_add_device_adc(&ek_adc_data);
504 /* Push Buttons */
505 ek_add_device_buttons();
506 /* AC97 */
507 at91_add_device_ac97(&ek_ac97_data);
508 /* LEDs */
509 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
510 pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
511 #if IS_ENABLED(CONFIG_LEDS_PWM)
512 at91_add_device_pwm(1 << AT91_PWM1);
513 #endif
514 /* Other platform devices */
515 platform_add_devices(devices, ARRAY_SIZE(devices));
516 }
517
518 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
519 /* Maintainer: Atmel */
520 .init_time = at91sam926x_pit_init,
521 .map_io = at91_map_io,
522 .handle_irq = at91_aic_handle_irq,
523 .init_early = ek_init_early,
524 .init_irq = at91_init_irq_default,
525 .init_machine = ek_board_init,
526 MACHINE_END
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