Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.git] / arch / arm / mach-at91 / board-sam9rlek.c
1 /*
2  *  Copyright (C) 2005 SAN People
3  *  Copyright (C) 2007 Atmel Corporation
4  *
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License.  See the file COPYING in the main directory of this archive for
7  * more details.
8  */
9
10 #include <linux/types.h>
11 #include <linux/init.h>
12 #include <linux/mm.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/spi/spi.h>
16 #include <linux/fb.h>
17 #include <linux/clk.h>
18 #include <linux/input.h>
19 #include <linux/gpio_keys.h>
20
21 #include <video/atmel_lcdc.h>
22
23 #include <asm/setup.h>
24 #include <asm/mach-types.h>
25 #include <asm/irq.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
30
31 #include <mach/hardware.h>
32 #include <mach/board.h>
33 #include <mach/gpio.h>
34 #include <mach/at91sam9_smc.h>
35 #include <mach/at91_shdwc.h>
36
37 #include "sam9_smc.h"
38 #include "generic.h"
39
40
41 static void __init ek_map_io(void)
42 {
43         /* Initialize processor: 12.000 MHz crystal */
44         at91sam9rl_initialize(12000000);
45
46         /* DGBU on ttyS0. (Rx & Tx only) */
47         at91_register_uart(0, 0, 0);
48
49         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
50         at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
51
52         /* set serial console to ttyS0 (ie, DBGU) */
53         at91_set_serial_console(0);
54 }
55
56 static void __init ek_init_irq(void)
57 {
58         at91sam9rl_init_interrupts(NULL);
59 }
60
61
62 /*
63  * USB HS Device port
64  */
65 static struct usba_platform_data __initdata ek_usba_udc_data = {
66         .vbus_pin       = AT91_PIN_PA8,
67 };
68
69
70 /*
71  * MCI (SD/MMC)
72  */
73 static struct at91_mmc_data __initdata ek_mmc_data = {
74         .wire4          = 1,
75         .det_pin        = AT91_PIN_PA15,
76 //      .wp_pin         = ... not connected
77 //      .vcc_pin        = ... not connected
78 };
79
80
81 /*
82  * NAND flash
83  */
84 static struct mtd_partition __initdata ek_nand_partition[] = {
85         {
86                 .name   = "Partition 1",
87                 .offset = 0,
88                 .size   = SZ_256K,
89         },
90         {
91                 .name   = "Partition 2",
92                 .offset = MTDPART_OFS_NXTBLK,
93                 .size   = MTDPART_SIZ_FULL,
94         },
95 };
96
97 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
98 {
99         *num_partitions = ARRAY_SIZE(ek_nand_partition);
100         return ek_nand_partition;
101 }
102
103 static struct atmel_nand_data __initdata ek_nand_data = {
104         .ale            = 21,
105         .cle            = 22,
106 //      .det_pin        = ... not connected
107         .rdy_pin        = AT91_PIN_PD17,
108         .enable_pin     = AT91_PIN_PB6,
109         .partition_info = nand_partitions,
110 };
111
112 static struct sam9_smc_config __initdata ek_nand_smc_config = {
113         .ncs_read_setup         = 0,
114         .nrd_setup              = 1,
115         .ncs_write_setup        = 0,
116         .nwe_setup              = 1,
117
118         .ncs_read_pulse         = 3,
119         .nrd_pulse              = 3,
120         .ncs_write_pulse        = 3,
121         .nwe_pulse              = 3,
122
123         .read_cycle             = 5,
124         .write_cycle            = 5,
125
126         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
127         .tdf_cycles             = 2,
128 };
129
130 static void __init ek_add_device_nand(void)
131 {
132         /* configure chip-select 3 (NAND) */
133         sam9_smc_configure(3, &ek_nand_smc_config);
134
135         at91_add_device_nand(&ek_nand_data);
136 }
137
138
139 /*
140  * SPI devices
141  */
142 static struct spi_board_info ek_spi_devices[] = {
143         {       /* DataFlash chip */
144                 .modalias       = "mtd_dataflash",
145                 .chip_select    = 0,
146                 .max_speed_hz   = 15 * 1000 * 1000,
147                 .bus_num        = 0,
148         },
149 };
150
151
152 /*
153  * LCD Controller
154  */
155 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
156 static struct fb_videomode at91_tft_vga_modes[] = {
157         {
158                 .name           = "TX09D50VM1CCA @ 60",
159                 .refresh        = 60,
160                 .xres           = 240,          .yres           = 320,
161                 .pixclock       = KHZ2PICOS(4965),
162
163                 .left_margin    = 1,            .right_margin   = 33,
164                 .upper_margin   = 1,            .lower_margin   = 0,
165                 .hsync_len      = 5,            .vsync_len      = 1,
166
167                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
168                 .vmode          = FB_VMODE_NONINTERLACED,
169         },
170 };
171
172 static struct fb_monspecs at91fb_default_monspecs = {
173         .manufacturer   = "HIT",
174         .monitor        = "TX09D50VM1CCA",
175
176         .modedb         = at91_tft_vga_modes,
177         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
178         .hfmin          = 15000,
179         .hfmax          = 64000,
180         .vfmin          = 50,
181         .vfmax          = 150,
182 };
183
184 #define AT91SAM9RL_DEFAULT_LCDCON2      (ATMEL_LCDC_MEMOR_LITTLE \
185                                         | ATMEL_LCDC_DISTYPE_TFT \
186                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
187
188 static void at91_lcdc_power_control(int on)
189 {
190         if (on)
191                 at91_set_gpio_value(AT91_PIN_PC1, 0);   /* power up */
192         else
193                 at91_set_gpio_value(AT91_PIN_PC1, 1);   /* power down */
194 }
195
196 /* Driver datas */
197 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
198         .lcdcon_is_backlight            = true,
199         .default_bpp                    = 16,
200         .default_dmacon                 = ATMEL_LCDC_DMAEN,
201         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
202         .default_monspecs               = &at91fb_default_monspecs,
203         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
204         .guard_time                     = 1,
205         .lcd_wiring_mode                = ATMEL_LCDC_WIRING_RGB,
206 };
207
208 #else
209 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
210 #endif
211
212
213 /*
214  * LEDs
215  */
216 static struct gpio_led ek_leds[] = {
217         {       /* "bottom" led, green, userled1 to be defined */
218                 .name                   = "ds1",
219                 .gpio                   = AT91_PIN_PD15,
220                 .active_low             = 1,
221                 .default_trigger        = "none",
222         },
223         {       /* "bottom" led, green, userled2 to be defined */
224                 .name                   = "ds2",
225                 .gpio                   = AT91_PIN_PD16,
226                 .active_low             = 1,
227                 .default_trigger        = "none",
228         },
229         {       /* "power" led, yellow */
230                 .name                   = "ds3",
231                 .gpio                   = AT91_PIN_PD14,
232                 .default_trigger        = "heartbeat",
233         }
234 };
235
236
237 /*
238  * GPIO Buttons
239  */
240 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
241 static struct gpio_keys_button ek_buttons[] = {
242         {
243                 .gpio           = AT91_PIN_PB0,
244                 .code           = BTN_2,
245                 .desc           = "Right Click",
246                 .active_low     = 1,
247                 .wakeup         = 1,
248         },
249         {
250                 .gpio           = AT91_PIN_PB1,
251                 .code           = BTN_1,
252                 .desc           = "Left Click",
253                 .active_low     = 1,
254                 .wakeup         = 1,
255         }
256 };
257
258 static struct gpio_keys_platform_data ek_button_data = {
259         .buttons        = ek_buttons,
260         .nbuttons       = ARRAY_SIZE(ek_buttons),
261 };
262
263 static struct platform_device ek_button_device = {
264         .name           = "gpio-keys",
265         .id             = -1,
266         .num_resources  = 0,
267         .dev            = {
268                 .platform_data  = &ek_button_data,
269         }
270 };
271
272 static void __init ek_add_device_buttons(void)
273 {
274         at91_set_gpio_input(AT91_PIN_PB1, 1);   /* btn1 */
275         at91_set_deglitch(AT91_PIN_PB1, 1);
276         at91_set_gpio_input(AT91_PIN_PB0, 1);   /* btn2 */
277         at91_set_deglitch(AT91_PIN_PB0, 1);
278
279         platform_device_register(&ek_button_device);
280 }
281 #else
282 static void __init ek_add_device_buttons(void) {}
283 #endif
284
285
286 static void __init ek_board_init(void)
287 {
288         /* Serial */
289         at91_add_device_serial();
290         /* USB HS */
291         at91_add_device_usba(&ek_usba_udc_data);
292         /* I2C */
293         at91_add_device_i2c(NULL, 0);
294         /* NAND */
295         ek_add_device_nand();
296         /* SPI */
297         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
298         /* MMC */
299         at91_add_device_mmc(0, &ek_mmc_data);
300         /* LCD Controller */
301         at91_add_device_lcdc(&ek_lcdc_data);
302         /* Touch Screen Controller */
303         at91_add_device_tsadcc();
304         /* LEDs */
305         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
306         /* Push Buttons */
307         ek_add_device_buttons();
308 }
309
310 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
311         /* Maintainer: Atmel */
312         .phys_io        = AT91_BASE_SYS,
313         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
314         .boot_params    = AT91_SDRAM_BASE + 0x100,
315         .timer          = &at91sam926x_timer,
316         .map_io         = ek_map_io,
317         .init_irq       = ek_init_irq,
318         .init_machine   = ek_board_init,
319 MACHINE_END