Pull thermal into release branch
[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
31 #include <video/atmel_lcdc.h>
32
33 #include <asm/hardware.h>
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
36 #include <asm/irq.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41
42 #include <asm/arch/board.h>
43 #include <asm/arch/gpio.h>
44 #include <asm/arch/at91sam926x_mc.h>
45
46 #include "generic.h"
47
48
49 /*
50  * Serial port configuration.
51  *    0 .. 2 = USART0 .. USART2
52  *    3      = DBGU
53  */
54 static struct at91_uart_config __initdata ek_uart_config = {
55         .console_tty    = 0,                            /* ttyS0 */
56         .nr_tty         = 2,
57         .tty_map        = { 3, 0, -1, -1, }             /* ttyS0, ..., ttyS3 */
58 };
59
60 static void __init ek_map_io(void)
61 {
62         /* Initialize processor: 16.367 MHz crystal */
63         at91sam9263_initialize(16367660);
64
65         /* Setup the serial ports and console */
66         at91_init_serial(&ek_uart_config);
67 }
68
69 static void __init ek_init_irq(void)
70 {
71         at91sam9263_init_interrupts(NULL);
72 }
73
74
75 /*
76  * USB Host port
77  */
78 static struct at91_usbh_data __initdata ek_usbh_data = {
79         .ports          = 2,
80         .vbus_pin       = { AT91_PIN_PA24, AT91_PIN_PA21 },
81 };
82
83 /*
84  * USB Device port
85  */
86 static struct at91_udc_data __initdata ek_udc_data = {
87         .vbus_pin       = AT91_PIN_PA25,
88         .pullup_pin     = 0,            /* pull-up driven by UDC */
89 };
90
91
92 /*
93  * ADS7846 Touchscreen
94  */
95 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
96 static int ads7843_pendown_state(void)
97 {
98         return !at91_get_gpio_value(AT91_PIN_PA15);     /* Touchscreen PENIRQ */
99 }
100
101 static struct ads7846_platform_data ads_info = {
102         .model                  = 7843,
103         .x_min                  = 150,
104         .x_max                  = 3830,
105         .y_min                  = 190,
106         .y_max                  = 3830,
107         .vref_delay_usecs       = 100,
108         .x_plate_ohms           = 450,
109         .y_plate_ohms           = 250,
110         .pressure_max           = 15000,
111         .debounce_max           = 1,
112         .debounce_rep           = 0,
113         .debounce_tol           = (~0),
114         .get_pendown_state      = ads7843_pendown_state,
115 };
116
117 static void __init ek_add_device_ts(void)
118 {
119         at91_set_B_periph(AT91_PIN_PA15, 1);    /* External IRQ1, with pullup */
120         at91_set_gpio_input(AT91_PIN_PA31, 1);  /* Touchscreen BUSY signal */
121 }
122 #else
123 static void __init ek_add_device_ts(void) {}
124 #endif
125
126 /*
127  * SPI devices.
128  */
129 static struct spi_board_info ek_spi_devices[] = {
130 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
131         {       /* DataFlash card */
132                 .modalias       = "mtd_dataflash",
133                 .chip_select    = 0,
134                 .max_speed_hz   = 15 * 1000 * 1000,
135                 .bus_num        = 0,
136         },
137 #endif
138 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
139         {
140                 .modalias       = "ads7846",
141                 .chip_select    = 3,
142                 .max_speed_hz   = 125000 * 26,  /* (max sample rate @ 3V) * (cmd + data + overhead) */
143                 .bus_num        = 0,
144                 .platform_data  = &ads_info,
145                 .irq            = AT91SAM9263_ID_IRQ1,
146         },
147 #endif
148 };
149
150
151 /*
152  * MCI (SD/MMC)
153  */
154 static struct at91_mmc_data __initdata ek_mmc_data = {
155         .wire4          = 1,
156         .det_pin        = AT91_PIN_PE18,
157         .wp_pin         = AT91_PIN_PE19,
158 //      .vcc_pin        = ... not connected
159 };
160
161
162 /*
163  * MACB Ethernet device
164  */
165 static struct at91_eth_data __initdata ek_macb_data = {
166         .is_rmii        = 1,
167 };
168
169
170 /*
171  * NAND flash
172  */
173 static struct mtd_partition __initdata ek_nand_partition[] = {
174         {
175                 .name   = "Partition 1",
176                 .offset = 0,
177                 .size   = 64 * 1024 * 1024,
178         },
179         {
180                 .name   = "Partition 2",
181                 .offset = 64 * 1024 * 1024,
182                 .size   = MTDPART_SIZ_FULL,
183         },
184 };
185
186 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
187 {
188         *num_partitions = ARRAY_SIZE(ek_nand_partition);
189         return ek_nand_partition;
190 }
191
192 static struct at91_nand_data __initdata ek_nand_data = {
193         .ale            = 21,
194         .cle            = 22,
195 //      .det_pin        = ... not connected
196         .rdy_pin        = AT91_PIN_PA22,
197         .enable_pin     = AT91_PIN_PD15,
198         .partition_info = nand_partitions,
199 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
200         .bus_width_16   = 1,
201 #else
202         .bus_width_16   = 0,
203 #endif
204 };
205
206
207 /*
208  * LCD Controller
209  */
210 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
211 static struct fb_videomode at91_tft_vga_modes[] = {
212         {
213                 .name           = "TX09D50VM1CCA @ 60",
214                 .refresh        = 60,
215                 .xres           = 240,          .yres           = 320,
216                 .pixclock       = KHZ2PICOS(4965),
217
218                 .left_margin    = 1,            .right_margin   = 33,
219                 .upper_margin   = 1,            .lower_margin   = 0,
220                 .hsync_len      = 5,            .vsync_len      = 1,
221
222                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
223                 .vmode          = FB_VMODE_NONINTERLACED,
224         },
225 };
226
227 static struct fb_monspecs at91fb_default_monspecs = {
228         .manufacturer   = "HIT",
229         .monitor        = "TX09D70VM1CCA",
230
231         .modedb         = at91_tft_vga_modes,
232         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
233         .hfmin          = 15000,
234         .hfmax          = 64000,
235         .vfmin          = 50,
236         .vfmax          = 150,
237 };
238
239 #define AT91SAM9263_DEFAULT_LCDCON2     (ATMEL_LCDC_MEMOR_LITTLE \
240                                         | ATMEL_LCDC_DISTYPE_TFT    \
241                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
242
243 static void at91_lcdc_power_control(int on)
244 {
245         if (on)
246                 at91_set_gpio_value(AT91_PIN_PD12, 0);  /* power up */
247         else
248                 at91_set_gpio_value(AT91_PIN_PD12, 1);  /* power down */
249 }
250
251 /* Driver datas */
252 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
253         .default_bpp                    = 16,
254         .default_dmacon                 = ATMEL_LCDC_DMAEN,
255         .default_lcdcon2                = AT91SAM9263_DEFAULT_LCDCON2,
256         .default_monspecs               = &at91fb_default_monspecs,
257         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
258         .guard_time                     = 1,
259 };
260
261 #else
262 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
263 #endif
264
265
266 /*
267  * AC97
268  */
269 static struct atmel_ac97_data ek_ac97_data = {
270         .reset_pin      = AT91_PIN_PA13,
271 };
272
273
274 static void __init ek_board_init(void)
275 {
276         /* Serial */
277         at91_add_device_serial();
278         /* USB Host */
279         at91_add_device_usbh(&ek_usbh_data);
280         /* USB Device */
281         at91_add_device_udc(&ek_udc_data);
282         /* SPI */
283         at91_set_gpio_output(AT91_PIN_PE20, 1);         /* select spi0 clock */
284         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
285         /* Touchscreen */
286         ek_add_device_ts();
287         /* MMC */
288         at91_add_device_mmc(1, &ek_mmc_data);
289         /* Ethernet */
290         at91_add_device_eth(&ek_macb_data);
291         /* NAND */
292         at91_add_device_nand(&ek_nand_data);
293         /* I2C */
294         at91_add_device_i2c(NULL, 0);
295         /* LCD Controller */
296         at91_add_device_lcdc(&ek_lcdc_data);
297         /* AC97 */
298         at91_add_device_ac97(&ek_ac97_data);
299 }
300
301 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
302         /* Maintainer: Atmel */
303         .phys_io        = AT91_BASE_SYS,
304         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
305         .boot_params    = AT91_SDRAM_BASE + 0x100,
306         .timer          = &at91sam926x_timer,
307         .map_io         = ek_map_io,
308         .init_irq       = ek_init_irq,
309         .init_machine   = ek_board_init,
310 MACHINE_END