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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
30#include <linux/platform_data/at91_adc.h>
31
32#include <mach/hardware.h>
33#include <video/atmel_lcdc.h>
34#include <media/soc_camera.h>
35#include <media/atmel-isi.h>
36
37#include <asm/setup.h>
38#include <asm/mach-types.h>
39#include <asm/irq.h>
40
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/irq.h>
44
45#include <mach/board.h>
46#include <mach/at91sam9_smc.h>
47#include <mach/at91_shdwc.h>
48#include <mach/system_rev.h>
49
50#include "sam9_smc.h"
51#include "generic.h"
52
53
54static void __init ek_init_early(void)
55{
56 /* Initialize processor: 12.000 MHz crystal */
57 at91_initialize(12000000);
58}
59
60/*
61 * USB HS Host port (common to OHCI & EHCI)
62 */
63static struct at91_usbh_data __initdata ek_usbh_hs_data = {
64 .ports = 2,
65 .vbus_pin = {AT91_PIN_PD1, AT91_PIN_PD3},
66 .vbus_pin_active_low = {1, 1},
67 .overcurrent_pin= {-EINVAL, -EINVAL},
68};
69
70
71/*
72 * USB HS Device port
73 */
74static struct usba_platform_data __initdata ek_usba_udc_data = {
75 .vbus_pin = AT91_PIN_PB19,
76};
77
78
79/*
80 * SPI devices.
81 */
82static struct spi_board_info ek_spi_devices[] = {
83 { /* DataFlash chip */
84 .modalias = "mtd_dataflash",
85 .chip_select = 0,
86 .max_speed_hz = 15 * 1000 * 1000,
87 .bus_num = 0,
88 },
89};
90
91
92/*
93 * MCI (SD/MMC)
94 */
95static struct mci_platform_data __initdata mci0_data = {
96 .slot[0] = {
97 .bus_width = 4,
98 .detect_pin = AT91_PIN_PD10,
99 .wp_pin = -EINVAL,
100 },
101};
102
103static struct mci_platform_data __initdata mci1_data = {
104 .slot[0] = {
105 .bus_width = 4,
106 .detect_pin = AT91_PIN_PD11,
107 .wp_pin = AT91_PIN_PD29,
108 },
109};
110
111
112/*
113 * MACB Ethernet device
114 */
115static struct macb_platform_data __initdata ek_macb_data = {
116 .phy_irq_pin = AT91_PIN_PD5,
117 .is_rmii = 1,
118};
119
120
121/*
122 * NAND flash
123 */
124static struct mtd_partition __initdata ek_nand_partition[] = {
125 {
126 .name = "Partition 1",
127 .offset = 0,
128 .size = SZ_64M,
129 },
130 {
131 .name = "Partition 2",
132 .offset = MTDPART_OFS_NXTBLK,
133 .size = MTDPART_SIZ_FULL,
134 },
135};
136
137/* det_pin is not connected */
138static struct atmel_nand_data __initdata ek_nand_data = {
139 .ale = 21,
140 .cle = 22,
141 .rdy_pin = AT91_PIN_PC8,
142 .enable_pin = AT91_PIN_PC14,
143 .det_pin = -EINVAL,
144 .ecc_mode = NAND_ECC_SOFT,
145 .on_flash_bbt = 1,
146 .parts = ek_nand_partition,
147 .num_parts = ARRAY_SIZE(ek_nand_partition),
148};
149
150static struct sam9_smc_config __initdata ek_nand_smc_config = {
151 .ncs_read_setup = 0,
152 .nrd_setup = 2,
153 .ncs_write_setup = 0,
154 .nwe_setup = 2,
155
156 .ncs_read_pulse = 4,
157 .nrd_pulse = 4,
158 .ncs_write_pulse = 4,
159 .nwe_pulse = 4,
160
161 .read_cycle = 7,
162 .write_cycle = 7,
163
164 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
165 .tdf_cycles = 3,
166};
167
168static void __init ek_add_device_nand(void)
169{
170 ek_nand_data.bus_width_16 = board_have_nand_16bit();
171 /* setup bus-width (8 or 16) */
172 if (ek_nand_data.bus_width_16)
173 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
174 else
175 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
176
177 /* configure chip-select 3 (NAND) */
178 sam9_smc_configure(0, 3, &ek_nand_smc_config);
179
180 at91_add_device_nand(&ek_nand_data);
181}
182
183
184/*
185 * ISI
186 */
187static struct isi_platform_data __initdata isi_data = {
188 .frate = ISI_CFG1_FRATE_CAPTURE_ALL,
189 /* to use codec and preview path simultaneously */
190 .full_mode = 1,
191 .data_width_flags = ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
192 /* ISI_MCK is provided by programmable clock or external clock */
193 .mck_hz = 25000000,
194};
195
196
197/*
198 * soc-camera OV2640
199 */
200#if defined(CONFIG_SOC_CAMERA_OV2640) || \
201 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
202static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
203{
204 /* ISI board for ek using default 8-bits connection */
205 return SOCAM_DATAWIDTH_8;
206}
207
208static int i2c_camera_power(struct device *dev, int on)
209{
210 /* enable or disable the camera */
211 pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
212 at91_set_gpio_output(AT91_PIN_PD13, !on);
213
214 if (!on)
215 goto out;
216
217 /* If enabled, give a reset impulse */
218 at91_set_gpio_output(AT91_PIN_PD12, 0);
219 msleep(20);
220 at91_set_gpio_output(AT91_PIN_PD12, 1);
221 msleep(100);
222
223out:
224 return 0;
225}
226
227static struct i2c_board_info i2c_camera = {
228 I2C_BOARD_INFO("ov2640", 0x30),
229};
230
231static struct soc_camera_link iclink_ov2640 = {
232 .bus_id = 0,
233 .board_info = &i2c_camera,
234 .i2c_adapter_id = 0,
235 .power = i2c_camera_power,
236 .query_bus_param = isi_camera_query_bus_param,
237};
238
239static struct platform_device isi_ov2640 = {
240 .name = "soc-camera-pdrv",
241 .id = 0,
242 .dev = {
243 .platform_data = &iclink_ov2640,
244 },
245};
246#endif
247
248
249/*
250 * LCD Controller
251 */
252#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
253static struct fb_videomode at91_tft_vga_modes[] = {
254 {
255 .name = "LG",
256 .refresh = 60,
257 .xres = 480, .yres = 272,
258 .pixclock = KHZ2PICOS(9000),
259
260 .left_margin = 1, .right_margin = 1,
261 .upper_margin = 40, .lower_margin = 1,
262 .hsync_len = 45, .vsync_len = 1,
263
264 .sync = 0,
265 .vmode = FB_VMODE_NONINTERLACED,
266 },
267};
268
269static struct fb_monspecs at91fb_default_monspecs = {
270 .manufacturer = "LG",
271 .monitor = "LB043WQ1",
272
273 .modedb = at91_tft_vga_modes,
274 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
275 .hfmin = 15000,
276 .hfmax = 17640,
277 .vfmin = 57,
278 .vfmax = 67,
279};
280
281#define AT91SAM9G45_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
282 | ATMEL_LCDC_DISTYPE_TFT \
283 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
284
285/* Driver datas */
286static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
287 .lcdcon_is_backlight = true,
288 .default_bpp = 32,
289 .default_dmacon = ATMEL_LCDC_DMAEN,
290 .default_lcdcon2 = AT91SAM9G45_DEFAULT_LCDCON2,
291 .default_monspecs = &at91fb_default_monspecs,
292 .guard_time = 9,
293 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
294};
295
296#else
297static struct atmel_lcdfb_info __initdata ek_lcdc_data;
298#endif
299
300
301/*
302 * Touchscreen
303 */
304static struct at91_tsadcc_data ek_tsadcc_data = {
305 .adc_clock = 300000,
306 .pendet_debounce = 0x0d,
307 .ts_sample_hold_time = 0x0a,
308};
309
310/*
311 * ADCs
312 */
313static struct at91_adc_data ek_adc_data = {
314 .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) | BIT(6) | BIT(7),
315 .use_external_triggers = true,
316 .vref = 3300,
317};
318
319/*
320 * GPIO Buttons
321 */
322#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
323static struct gpio_keys_button ek_buttons[] = {
324 { /* BP1, "leftclic" */
325 .code = BTN_LEFT,
326 .gpio = AT91_PIN_PB6,
327 .active_low = 1,
328 .desc = "left_click",
329 .wakeup = 1,
330 },
331 { /* BP2, "rightclic" */
332 .code = BTN_RIGHT,
333 .gpio = AT91_PIN_PB7,
334 .active_low = 1,
335 .desc = "right_click",
336 .wakeup = 1,
337 },
338 /* BP3, "joystick" */
339 {
340 .code = KEY_LEFT,
341 .gpio = AT91_PIN_PB14,
342 .active_low = 1,
343 .desc = "Joystick Left",
344 },
345 {
346 .code = KEY_RIGHT,
347 .gpio = AT91_PIN_PB15,
348 .active_low = 1,
349 .desc = "Joystick Right",
350 },
351 {
352 .code = KEY_UP,
353 .gpio = AT91_PIN_PB16,
354 .active_low = 1,
355 .desc = "Joystick Up",
356 },
357 {
358 .code = KEY_DOWN,
359 .gpio = AT91_PIN_PB17,
360 .active_low = 1,
361 .desc = "Joystick Down",
362 },
363 {
364 .code = KEY_ENTER,
365 .gpio = AT91_PIN_PB18,
366 .active_low = 1,
367 .desc = "Joystick Press",
368 },
369};
370
371static struct gpio_keys_platform_data ek_button_data = {
372 .buttons = ek_buttons,
373 .nbuttons = ARRAY_SIZE(ek_buttons),
374};
375
376static struct platform_device ek_button_device = {
377 .name = "gpio-keys",
378 .id = -1,
379 .num_resources = 0,
380 .dev = {
381 .platform_data = &ek_button_data,
382 }
383};
384
385static void __init ek_add_device_buttons(void)
386{
387 int i;
388
389 for (i = 0; i < ARRAY_SIZE(ek_buttons); i++) {
390 at91_set_GPIO_periph(ek_buttons[i].gpio, 1);
391 at91_set_deglitch(ek_buttons[i].gpio, 1);
392 }
393
394 platform_device_register(&ek_button_device);
395}
396#else
397static void __init ek_add_device_buttons(void) {}
398#endif
399
400
401/*
402 * AC97
403 * reset_pin is not connected: NRST
404 */
405static struct ac97c_platform_data ek_ac97_data = {
406 .reset_pin = -EINVAL,
407};
408
409
410/*
411 * LEDs ... these could all be PWM-driven, for variable brightness
412 */
413static struct gpio_led ek_leds[] = {
414 { /* "top" led, red, powerled */
415 .name = "d8",
416 .gpio = AT91_PIN_PD30,
417 .default_trigger = "heartbeat",
418 },
419 { /* "left" led, green, userled2, pwm3 */
420 .name = "d6",
421 .gpio = AT91_PIN_PD0,
422 .active_low = 1,
423 .default_trigger = "nand-disk",
424 },
425#if !(defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE))
426 { /* "right" led, green, userled1, pwm1 */
427 .name = "d7",
428 .gpio = AT91_PIN_PD31,
429 .active_low = 1,
430 .default_trigger = "mmc0",
431 },
432#endif
433};
434
435
436/*
437 * PWM Leds
438 */
439static struct gpio_led ek_pwm_led[] = {
440#if defined(CONFIG_LEDS_ATMEL_PWM) || defined(CONFIG_LEDS_ATMEL_PWM_MODULE)
441 { /* "right" led, green, userled1, pwm1 */
442 .name = "d7",
443 .gpio = 1, /* is PWM channel number */
444 .active_low = 1,
445 .default_trigger = "none",
446 },
447#endif
448};
449
450static struct platform_device *devices[] __initdata = {
451#if defined(CONFIG_SOC_CAMERA_OV2640) || \
452 defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
453 &isi_ov2640,
454#endif
455};
456
457static void __init ek_board_init(void)
458{
459 /* Serial */
460 /* DGBU on ttyS0. (Rx & Tx only) */
461 at91_register_uart(0, 0, 0);
462
463 /* USART0 not connected on the -EK board */
464 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
465 at91_register_uart(AT91SAM9G45_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
466 at91_add_device_serial();
467 /* USB HS Host */
468 at91_add_device_usbh_ohci(&ek_usbh_hs_data);
469 at91_add_device_usbh_ehci(&ek_usbh_hs_data);
470 /* USB HS Device */
471 at91_add_device_usba(&ek_usba_udc_data);
472 /* SPI */
473 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
474 /* MMC */
475 at91_add_device_mci(0, &mci0_data);
476 at91_add_device_mci(1, &mci1_data);
477 /* Ethernet */
478 at91_add_device_eth(&ek_macb_data);
479 /* NAND */
480 ek_add_device_nand();
481 /* I2C */
482 at91_add_device_i2c(0, NULL, 0);
483 /* ISI, using programmable clock as ISI_MCK */
484 at91_add_device_isi(&isi_data, true);
485 /* LCD Controller */
486 at91_add_device_lcdc(&ek_lcdc_data);
487 /* Touch Screen */
488 at91_add_device_tsadcc(&ek_tsadcc_data);
489 /* ADC */
490 at91_add_device_adc(&ek_adc_data);
491 /* Push Buttons */
492 ek_add_device_buttons();
493 /* AC97 */
494 at91_add_device_ac97(&ek_ac97_data);
495 /* LEDs */
496 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
497 at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
498 /* Other platform devices */
499 platform_add_devices(devices, ARRAY_SIZE(devices));
500}
501
502MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
503 /* Maintainer: Atmel */
504 .timer = &at91sam926x_timer,
505 .map_io = at91_map_io,
506 .init_early = ek_init_early,
507 .init_irq = at91_init_irq_default,
508 .init_machine = ek_board_init,
509MACHINE_END