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e6d92e63 AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-sam9263ek.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Atmel Corporation. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <linux/types.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/mm.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/spi/spi.h> | |
7c73628f | 28 | #include <linux/spi/ads7846.h> |
a745a622 | 29 | #include <linux/i2c/at24.h> |
cdf95c73 | 30 | #include <linux/fb.h> |
eaf858a9 DB |
31 | #include <linux/gpio_keys.h> |
32 | #include <linux/input.h> | |
cdf95c73 AV |
33 | |
34 | #include <video/atmel_lcdc.h> | |
e6d92e63 | 35 | |
e6d92e63 AV |
36 | #include <asm/setup.h> |
37 | #include <asm/mach-types.h> | |
38 | #include <asm/irq.h> | |
39 | ||
40 | #include <asm/mach/arch.h> | |
41 | #include <asm/mach/map.h> | |
42 | #include <asm/mach/irq.h> | |
43 | ||
e505240b | 44 | #include <mach/hardware.h> |
a09e64fb RK |
45 | #include <mach/board.h> |
46 | #include <mach/gpio.h> | |
47 | #include <mach/at91sam9_smc.h> | |
e6d92e63 AV |
48 | |
49 | #include "generic.h" | |
50 | ||
51 | ||
e6d92e63 AV |
52 | static void __init ek_map_io(void) |
53 | { | |
54 | /* Initialize processor: 16.367 MHz crystal */ | |
55 | at91sam9263_initialize(16367660); | |
56 | ||
a3da1222 AV |
57 | /* DGBU on ttyS0. (Rx & Tx only) */ |
58 | at91_register_uart(0, 0, 0); | |
59 | ||
60 | /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */ | |
61 | at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
62 | ||
63 | /* set serial console to ttyS0 (ie, DBGU) */ | |
64 | at91_set_serial_console(0); | |
e6d92e63 AV |
65 | } |
66 | ||
67 | static void __init ek_init_irq(void) | |
68 | { | |
69 | at91sam9263_init_interrupts(NULL); | |
70 | } | |
71 | ||
72 | ||
73 | /* | |
74 | * USB Host port | |
75 | */ | |
76 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
77 | .ports = 2, | |
78 | .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, | |
79 | }; | |
80 | ||
81 | /* | |
82 | * USB Device port | |
83 | */ | |
84 | static struct at91_udc_data __initdata ek_udc_data = { | |
85 | .vbus_pin = AT91_PIN_PA25, | |
86 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
87 | }; | |
88 | ||
89 | ||
7c73628f AV |
90 | /* |
91 | * ADS7846 Touchscreen | |
92 | */ | |
93 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
94 | static int ads7843_pendown_state(void) | |
95 | { | |
96 | return !at91_get_gpio_value(AT91_PIN_PA15); /* Touchscreen PENIRQ */ | |
97 | } | |
98 | ||
99 | static struct ads7846_platform_data ads_info = { | |
100 | .model = 7843, | |
101 | .x_min = 150, | |
102 | .x_max = 3830, | |
103 | .y_min = 190, | |
104 | .y_max = 3830, | |
105 | .vref_delay_usecs = 100, | |
106 | .x_plate_ohms = 450, | |
107 | .y_plate_ohms = 250, | |
108 | .pressure_max = 15000, | |
109 | .debounce_max = 1, | |
110 | .debounce_rep = 0, | |
111 | .debounce_tol = (~0), | |
112 | .get_pendown_state = ads7843_pendown_state, | |
113 | }; | |
114 | ||
115 | static void __init ek_add_device_ts(void) | |
116 | { | |
117 | at91_set_B_periph(AT91_PIN_PA15, 1); /* External IRQ1, with pullup */ | |
118 | at91_set_gpio_input(AT91_PIN_PA31, 1); /* Touchscreen BUSY signal */ | |
119 | } | |
120 | #else | |
121 | static void __init ek_add_device_ts(void) {} | |
122 | #endif | |
123 | ||
e6d92e63 AV |
124 | /* |
125 | * SPI devices. | |
126 | */ | |
127 | static struct spi_board_info ek_spi_devices[] = { | |
128 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
129 | { /* DataFlash card */ | |
130 | .modalias = "mtd_dataflash", | |
131 | .chip_select = 0, | |
132 | .max_speed_hz = 15 * 1000 * 1000, | |
133 | .bus_num = 0, | |
134 | }, | |
135 | #endif | |
7c73628f AV |
136 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
137 | { | |
138 | .modalias = "ads7846", | |
139 | .chip_select = 3, | |
140 | .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */ | |
141 | .bus_num = 0, | |
142 | .platform_data = &ads_info, | |
143 | .irq = AT91SAM9263_ID_IRQ1, | |
144 | }, | |
145 | #endif | |
e6d92e63 AV |
146 | }; |
147 | ||
148 | ||
149 | /* | |
150 | * MCI (SD/MMC) | |
151 | */ | |
152 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
153 | .wire4 = 1, | |
154 | .det_pin = AT91_PIN_PE18, | |
155 | .wp_pin = AT91_PIN_PE19, | |
156 | // .vcc_pin = ... not connected | |
157 | }; | |
158 | ||
159 | ||
93afa752 AV |
160 | /* |
161 | * MACB Ethernet device | |
162 | */ | |
163 | static struct at91_eth_data __initdata ek_macb_data = { | |
a50d49db | 164 | .phy_irq_pin = AT91_PIN_PE31, |
93afa752 AV |
165 | .is_rmii = 1, |
166 | }; | |
167 | ||
168 | ||
e6d92e63 AV |
169 | /* |
170 | * NAND flash | |
171 | */ | |
172 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
173 | { | |
174 | .name = "Partition 1", | |
175 | .offset = 0, | |
e505240b | 176 | .size = SZ_64M, |
e6d92e63 AV |
177 | }, |
178 | { | |
179 | .name = "Partition 2", | |
e505240b | 180 | .offset = MTDPART_OFS_NXTBLK, |
e6d92e63 AV |
181 | .size = MTDPART_SIZ_FULL, |
182 | }, | |
183 | }; | |
184 | ||
cdea4606 | 185 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
e6d92e63 AV |
186 | { |
187 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
188 | return ek_nand_partition; | |
189 | } | |
190 | ||
3c3796cc | 191 | static struct atmel_nand_data __initdata ek_nand_data = { |
e6d92e63 AV |
192 | .ale = 21, |
193 | .cle = 22, | |
194 | // .det_pin = ... not connected | |
195 | .rdy_pin = AT91_PIN_PA22, | |
196 | .enable_pin = AT91_PIN_PD15, | |
197 | .partition_info = nand_partitions, | |
f6ed6f78 | 198 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
e6d92e63 AV |
199 | .bus_width_16 = 1, |
200 | #else | |
201 | .bus_width_16 = 0, | |
202 | #endif | |
203 | }; | |
204 | ||
205 | ||
a745a622 DB |
206 | /* |
207 | * I2C devices | |
208 | */ | |
209 | static struct at24_platform_data at24c512 = { | |
210 | .byte_len = SZ_512K / 8, | |
211 | .page_size = 128, | |
212 | .flags = AT24_FLAG_ADDR16, | |
213 | }; | |
214 | ||
215 | ||
216 | static struct i2c_board_info __initdata ek_i2c_devices[] = { | |
217 | { | |
218 | I2C_BOARD_INFO("24c512", 0x50), | |
219 | .platform_data = &at24c512, | |
220 | }, | |
221 | /* more devices can be added using expansion connectors */ | |
222 | }; | |
223 | ||
cdf95c73 AV |
224 | /* |
225 | * LCD Controller | |
226 | */ | |
227 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
228 | static struct fb_videomode at91_tft_vga_modes[] = { | |
229 | { | |
e505240b | 230 | .name = "TX09D50VM1CCA @ 60", |
cdf95c73 AV |
231 | .refresh = 60, |
232 | .xres = 240, .yres = 320, | |
233 | .pixclock = KHZ2PICOS(4965), | |
234 | ||
235 | .left_margin = 1, .right_margin = 33, | |
236 | .upper_margin = 1, .lower_margin = 0, | |
237 | .hsync_len = 5, .vsync_len = 1, | |
238 | ||
239 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
240 | .vmode = FB_VMODE_NONINTERLACED, | |
241 | }, | |
242 | }; | |
243 | ||
244 | static struct fb_monspecs at91fb_default_monspecs = { | |
245 | .manufacturer = "HIT", | |
e505240b | 246 | .monitor = "TX09D70VM1CCA", |
cdf95c73 AV |
247 | |
248 | .modedb = at91_tft_vga_modes, | |
249 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
250 | .hfmin = 15000, | |
251 | .hfmax = 64000, | |
252 | .vfmin = 50, | |
253 | .vfmax = 150, | |
254 | }; | |
255 | ||
256 | #define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
e505240b | 257 | | ATMEL_LCDC_DISTYPE_TFT \ |
cdf95c73 AV |
258 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) |
259 | ||
260 | static void at91_lcdc_power_control(int on) | |
261 | { | |
6bb68f88 | 262 | at91_set_gpio_value(AT91_PIN_PA30, on); |
cdf95c73 AV |
263 | } |
264 | ||
265 | /* Driver datas */ | |
266 | static struct atmel_lcdfb_info __initdata ek_lcdc_data = { | |
a9a84c37 | 267 | .lcdcon_is_backlight = true, |
cdf95c73 AV |
268 | .default_bpp = 16, |
269 | .default_dmacon = ATMEL_LCDC_DMAEN, | |
270 | .default_lcdcon2 = AT91SAM9263_DEFAULT_LCDCON2, | |
271 | .default_monspecs = &at91fb_default_monspecs, | |
272 | .atmel_lcdfb_power_control = at91_lcdc_power_control, | |
273 | .guard_time = 1, | |
274 | }; | |
275 | ||
276 | #else | |
277 | static struct atmel_lcdfb_info __initdata ek_lcdc_data; | |
278 | #endif | |
279 | ||
280 | ||
eaf858a9 DB |
281 | /* |
282 | * GPIO Buttons | |
283 | */ | |
284 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
285 | static struct gpio_keys_button ek_buttons[] = { | |
286 | { /* BP1, "leftclic" */ | |
287 | .code = BTN_LEFT, | |
288 | .gpio = AT91_PIN_PC5, | |
289 | .active_low = 1, | |
290 | .desc = "left_click", | |
291 | .wakeup = 1, | |
292 | }, | |
293 | { /* BP2, "rightclic" */ | |
294 | .code = BTN_RIGHT, | |
295 | .gpio = AT91_PIN_PC4, | |
296 | .active_low = 1, | |
297 | .desc = "right_click", | |
298 | .wakeup = 1, | |
299 | }, | |
300 | }; | |
301 | ||
302 | static struct gpio_keys_platform_data ek_button_data = { | |
303 | .buttons = ek_buttons, | |
304 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
305 | }; | |
306 | ||
307 | static struct platform_device ek_button_device = { | |
308 | .name = "gpio-keys", | |
309 | .id = -1, | |
310 | .num_resources = 0, | |
311 | .dev = { | |
312 | .platform_data = &ek_button_data, | |
313 | } | |
314 | }; | |
315 | ||
316 | static void __init ek_add_device_buttons(void) | |
317 | { | |
318 | at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */ | |
319 | at91_set_deglitch(AT91_PIN_PC5, 1); | |
320 | at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */ | |
321 | at91_set_deglitch(AT91_PIN_PC4, 1); | |
322 | ||
323 | platform_device_register(&ek_button_device); | |
324 | } | |
325 | #else | |
326 | static void __init ek_add_device_buttons(void) {} | |
327 | #endif | |
328 | ||
329 | ||
93afa752 AV |
330 | /* |
331 | * AC97 | |
332 | */ | |
333 | static struct atmel_ac97_data ek_ac97_data = { | |
334 | .reset_pin = AT91_PIN_PA13, | |
335 | }; | |
336 | ||
337 | ||
1b41bdf6 AV |
338 | /* |
339 | * LEDs ... these could all be PWM-driven, for variable brightness | |
340 | */ | |
341 | static struct gpio_led ek_leds[] = { | |
342 | { /* "left" led, green, userled1, pwm1 */ | |
343 | .name = "ds1", | |
344 | .gpio = AT91_PIN_PB8, | |
345 | .active_low = 1, | |
346 | .default_trigger = "mmc0", | |
347 | }, | |
348 | { /* "right" led, green, userled2, pwm2 */ | |
349 | .name = "ds2", | |
350 | .gpio = AT91_PIN_PC29, | |
351 | .active_low = 1, | |
352 | .default_trigger = "nand-disk", | |
353 | }, | |
354 | { /* "power" led, yellow, pwm0 */ | |
355 | .name = "ds3", | |
356 | .gpio = AT91_PIN_PB7, | |
357 | .default_trigger = "heartbeat", | |
5b7659d1 | 358 | } |
1b41bdf6 AV |
359 | }; |
360 | ||
361 | ||
e6d92e63 AV |
362 | static void __init ek_board_init(void) |
363 | { | |
364 | /* Serial */ | |
365 | at91_add_device_serial(); | |
366 | /* USB Host */ | |
367 | at91_add_device_usbh(&ek_usbh_data); | |
368 | /* USB Device */ | |
369 | at91_add_device_udc(&ek_udc_data); | |
370 | /* SPI */ | |
7c73628f | 371 | at91_set_gpio_output(AT91_PIN_PE20, 1); /* select spi0 clock */ |
e6d92e63 | 372 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
7c73628f AV |
373 | /* Touchscreen */ |
374 | ek_add_device_ts(); | |
e6d92e63 AV |
375 | /* MMC */ |
376 | at91_add_device_mmc(1, &ek_mmc_data); | |
93afa752 AV |
377 | /* Ethernet */ |
378 | at91_add_device_eth(&ek_macb_data); | |
e6d92e63 AV |
379 | /* NAND */ |
380 | at91_add_device_nand(&ek_nand_data); | |
93afa752 | 381 | /* I2C */ |
a745a622 | 382 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
cdf95c73 AV |
383 | /* LCD Controller */ |
384 | at91_add_device_lcdc(&ek_lcdc_data); | |
eaf858a9 DB |
385 | /* Push Buttons */ |
386 | ek_add_device_buttons(); | |
93afa752 AV |
387 | /* AC97 */ |
388 | at91_add_device_ac97(&ek_ac97_data); | |
1b41bdf6 AV |
389 | /* LEDs */ |
390 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
e6d92e63 AV |
391 | } |
392 | ||
393 | MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") | |
394 | /* Maintainer: Atmel */ | |
395 | .phys_io = AT91_BASE_SYS, | |
396 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
397 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
398 | .timer = &at91sam926x_timer, | |
399 | .map_io = ek_map_io, | |
400 | .init_irq = ek_init_irq, | |
401 | .init_machine = ek_board_init, | |
402 | MACHINE_END |