Merge branch 'merge-fixes' into devel
[linux-2.6] / arch / arm / mach-at91 / board-sam9263ek.c
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>
28 #include <linux/spi/ads7846.h>
29 #include <linux/fb.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32
33 #include <video/atmel_lcdc.h>
34
35 #include <asm/hardware.h>
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
44 #include <asm/arch/board.h>
45 #include <asm/arch/gpio.h>
46 #include <asm/arch/at91sam9_smc.h>
47
48 #include "generic.h"
49
50
51 static void __init ek_map_io(void)
52 {
53         /* Initialize processor: 16.367 MHz crystal */
54         at91sam9263_initialize(16367660);
55
56         /* DGBU on ttyS0. (Rx & Tx only) */
57         at91_register_uart(0, 0, 0);
58
59         /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
60         at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
61
62         /* set serial console to ttyS0 (ie, DBGU) */
63         at91_set_serial_console(0);
64 }
65
66 static void __init ek_init_irq(void)
67 {
68         at91sam9263_init_interrupts(NULL);
69 }
70
71
72 /*
73  * USB Host port
74  */
75 static struct at91_usbh_data __initdata ek_usbh_data = {
76         .ports          = 2,
77         .vbus_pin       = { AT91_PIN_PA24, AT91_PIN_PA21 },
78 };
79
80 /*
81  * USB Device port
82  */
83 static struct at91_udc_data __initdata ek_udc_data = {
84         .vbus_pin       = AT91_PIN_PA25,
85         .pullup_pin     = 0,            /* pull-up driven by UDC */
86 };
87
88
89 /*
90  * ADS7846 Touchscreen
91  */
92 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
93 static int ads7843_pendown_state(void)
94 {
95         return !at91_get_gpio_value(AT91_PIN_PA15);     /* Touchscreen PENIRQ */
96 }
97
98 static struct ads7846_platform_data ads_info = {
99         .model                  = 7843,
100         .x_min                  = 150,
101         .x_max                  = 3830,
102         .y_min                  = 190,
103         .y_max                  = 3830,
104         .vref_delay_usecs       = 100,
105         .x_plate_ohms           = 450,
106         .y_plate_ohms           = 250,
107         .pressure_max           = 15000,
108         .debounce_max           = 1,
109         .debounce_rep           = 0,
110         .debounce_tol           = (~0),
111         .get_pendown_state      = ads7843_pendown_state,
112 };
113
114 static void __init ek_add_device_ts(void)
115 {
116         at91_set_B_periph(AT91_PIN_PA15, 1);    /* External IRQ1, with pullup */
117         at91_set_gpio_input(AT91_PIN_PA31, 1);  /* Touchscreen BUSY signal */
118 }
119 #else
120 static void __init ek_add_device_ts(void) {}
121 #endif
122
123 /*
124  * SPI devices.
125  */
126 static struct spi_board_info ek_spi_devices[] = {
127 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
128         {       /* DataFlash card */
129                 .modalias       = "mtd_dataflash",
130                 .chip_select    = 0,
131                 .max_speed_hz   = 15 * 1000 * 1000,
132                 .bus_num        = 0,
133         },
134 #endif
135 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
136         {
137                 .modalias       = "ads7846",
138                 .chip_select    = 3,
139                 .max_speed_hz   = 125000 * 26,  /* (max sample rate @ 3V) * (cmd + data + overhead) */
140                 .bus_num        = 0,
141                 .platform_data  = &ads_info,
142                 .irq            = AT91SAM9263_ID_IRQ1,
143         },
144 #endif
145 };
146
147
148 /*
149  * MCI (SD/MMC)
150  */
151 static struct at91_mmc_data __initdata ek_mmc_data = {
152         .wire4          = 1,
153         .det_pin        = AT91_PIN_PE18,
154         .wp_pin         = AT91_PIN_PE19,
155 //      .vcc_pin        = ... not connected
156 };
157
158
159 /*
160  * MACB Ethernet device
161  */
162 static struct at91_eth_data __initdata ek_macb_data = {
163         .phy_irq_pin    = AT91_PIN_PE31,
164         .is_rmii        = 1,
165 };
166
167
168 /*
169  * NAND flash
170  */
171 static struct mtd_partition __initdata ek_nand_partition[] = {
172         {
173                 .name   = "Partition 1",
174                 .offset = 0,
175                 .size   = 64 * 1024 * 1024,
176         },
177         {
178                 .name   = "Partition 2",
179                 .offset = 64 * 1024 * 1024,
180                 .size   = MTDPART_SIZ_FULL,
181         },
182 };
183
184 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
185 {
186         *num_partitions = ARRAY_SIZE(ek_nand_partition);
187         return ek_nand_partition;
188 }
189
190 static struct at91_nand_data __initdata ek_nand_data = {
191         .ale            = 21,
192         .cle            = 22,
193 //      .det_pin        = ... not connected
194         .rdy_pin        = AT91_PIN_PA22,
195         .enable_pin     = AT91_PIN_PD15,
196         .partition_info = nand_partitions,
197 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
198         .bus_width_16   = 1,
199 #else
200         .bus_width_16   = 0,
201 #endif
202 };
203
204
205 /*
206  * LCD Controller
207  */
208 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
209 static struct fb_videomode at91_tft_vga_modes[] = {
210         {
211                 .name           = "TX09D50VM1CCA @ 60",
212                 .refresh        = 60,
213                 .xres           = 240,          .yres           = 320,
214                 .pixclock       = KHZ2PICOS(4965),
215
216                 .left_margin    = 1,            .right_margin   = 33,
217                 .upper_margin   = 1,            .lower_margin   = 0,
218                 .hsync_len      = 5,            .vsync_len      = 1,
219
220                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
221                 .vmode          = FB_VMODE_NONINTERLACED,
222         },
223 };
224
225 static struct fb_monspecs at91fb_default_monspecs = {
226         .manufacturer   = "HIT",
227         .monitor        = "TX09D70VM1CCA",
228
229         .modedb         = at91_tft_vga_modes,
230         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
231         .hfmin          = 15000,
232         .hfmax          = 64000,
233         .vfmin          = 50,
234         .vfmax          = 150,
235 };
236
237 #define AT91SAM9263_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
238                                         | ATMEL_LCDC_DISTYPE_TFT    \
239                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
240
241 static void at91_lcdc_power_control(int on)
242 {
243         at91_set_gpio_value(AT91_PIN_PA30, on);
244 }
245
246 /* Driver datas */
247 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
248         .lcdcon_is_backlight            = true,
249         .default_bpp                    = 16,
250         .default_dmacon                 = ATMEL_LCDC_DMAEN,
251         .default_lcdcon2                = AT91SAM9263_DEFAULT_LCDCON2,
252         .default_monspecs               = &at91fb_default_monspecs,
253         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
254         .guard_time                     = 1,
255 };
256
257 #else
258 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
259 #endif
260
261
262 /*
263  * GPIO Buttons
264  */
265 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
266 static struct gpio_keys_button ek_buttons[] = {
267         {       /* BP1, "leftclic" */
268                 .code           = BTN_LEFT,
269                 .gpio           = AT91_PIN_PC5,
270                 .active_low     = 1,
271                 .desc           = "left_click",
272                 .wakeup         = 1,
273         },
274         {       /* BP2, "rightclic" */
275                 .code           = BTN_RIGHT,
276                 .gpio           = AT91_PIN_PC4,
277                 .active_low     = 1,
278                 .desc           = "right_click",
279                 .wakeup         = 1,
280         },
281 };
282
283 static struct gpio_keys_platform_data ek_button_data = {
284         .buttons        = ek_buttons,
285         .nbuttons       = ARRAY_SIZE(ek_buttons),
286 };
287
288 static struct platform_device ek_button_device = {
289         .name           = "gpio-keys",
290         .id             = -1,
291         .num_resources  = 0,
292         .dev            = {
293                 .platform_data  = &ek_button_data,
294         }
295 };
296
297 static void __init ek_add_device_buttons(void)
298 {
299         at91_set_GPIO_periph(AT91_PIN_PC5, 0);  /* left button */
300         at91_set_deglitch(AT91_PIN_PC5, 1);
301         at91_set_GPIO_periph(AT91_PIN_PC4, 0);  /* right button */
302         at91_set_deglitch(AT91_PIN_PC4, 1);
303
304         platform_device_register(&ek_button_device);
305 }
306 #else
307 static void __init ek_add_device_buttons(void) {}
308 #endif
309
310
311 /*
312  * AC97
313  */
314 static struct atmel_ac97_data ek_ac97_data = {
315         .reset_pin      = AT91_PIN_PA13,
316 };
317
318
319 /*
320  * LEDs ... these could all be PWM-driven, for variable brightness
321  */
322 static struct gpio_led ek_leds[] = {
323         {       /* "left" led, green, userled1, pwm1 */
324                 .name                   = "ds1",
325                 .gpio                   = AT91_PIN_PB8,
326                 .active_low             = 1,
327                 .default_trigger        = "mmc0",
328         },
329         {       /* "right" led, green, userled2, pwm2 */
330                 .name                   = "ds2",
331                 .gpio                   = AT91_PIN_PC29,
332                 .active_low             = 1,
333                 .default_trigger        = "nand-disk",
334         },
335         {       /* "power" led, yellow, pwm0 */
336                 .name                   = "ds3",
337                 .gpio                   = AT91_PIN_PB7,
338                 .default_trigger        = "heartbeat",
339         }
340 };
341
342
343 static void __init ek_board_init(void)
344 {
345         /* Serial */
346         at91_add_device_serial();
347         /* USB Host */
348         at91_add_device_usbh(&ek_usbh_data);
349         /* USB Device */
350         at91_add_device_udc(&ek_udc_data);
351         /* SPI */
352         at91_set_gpio_output(AT91_PIN_PE20, 1);         /* select spi0 clock */
353         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
354         /* Touchscreen */
355         ek_add_device_ts();
356         /* MMC */
357         at91_add_device_mmc(1, &ek_mmc_data);
358         /* Ethernet */
359         at91_add_device_eth(&ek_macb_data);
360         /* NAND */
361         at91_add_device_nand(&ek_nand_data);
362         /* I2C */
363         at91_add_device_i2c(NULL, 0);
364         /* LCD Controller */
365         at91_add_device_lcdc(&ek_lcdc_data);
366         /* Push Buttons */
367         ek_add_device_buttons();
368         /* AC97 */
369         at91_add_device_ac97(&ek_ac97_data);
370         /* LEDs */
371         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
372 }
373
374 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
375         /* Maintainer: Atmel */
376         .phys_io        = AT91_BASE_SYS,
377         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
378         .boot_params    = AT91_SDRAM_BASE + 0x100,
379         .timer          = &at91sam926x_timer,
380         .map_io         = ek_map_io,
381         .init_irq       = ek_init_irq,
382         .init_machine   = ek_board_init,
383 MACHINE_END