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OMAP: UART: drop OMAP_TAG_UART, enable all UARTs, auto-disabled on idle
[net-next-2.6.git] / arch / arm / mach-omap2 / board-omap3pandora.c
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1/*
2 * board-omap3pandora.c (Pandora Handheld Console)
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
16 * 02110-1301 USA
17 *
18 */
19
20#include <linux/init.h>
21#include <linux/kernel.h>
22#include <linux/platform_device.h>
23
24#include <linux/spi/spi.h>
25#include <linux/spi/ads7846.h>
64f535a8 26#include <linux/regulator/machine.h>
da177247 27#include <linux/i2c/twl4030.h>
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28#include <linux/leds.h>
29#include <linux/input.h>
30#include <linux/gpio_keys.h>
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31
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
36#include <mach/board.h>
37#include <mach/common.h>
38#include <mach/gpio.h>
39#include <mach/hardware.h>
40#include <mach/mcspi.h>
18cb7aca 41#include <mach/usb.h>
74190450 42#include <mach/keypad.h>
9fb97412 43#include <mach/mux.h>
da177247 44
2e12bd7e 45#include "sdram-micron-mt46h32m32lf-6.h"
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46#include "mmc-twl4030.h"
47
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48#define OMAP3_PANDORA_TS_GPIO 94
49
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50/* hardware debounce: (value + 1) * 31us */
51#define GPIO_DEBOUNCE_TIME 127
52
53static struct gpio_led pandora_gpio_leds[] = {
54 {
55 .name = "pandora::sd1",
56 .default_trigger = "mmc0",
57 .gpio = 128,
58 }, {
59 .name = "pandora::sd2",
60 .default_trigger = "mmc1",
61 .gpio = 129,
62 }, {
63 .name = "pandora::bluetooth",
64 .gpio = 158,
65 }, {
66 .name = "pandora::wifi",
67 .gpio = 159,
68 },
69};
70
71static struct gpio_led_platform_data pandora_gpio_led_data = {
72 .leds = pandora_gpio_leds,
73 .num_leds = ARRAY_SIZE(pandora_gpio_leds),
74};
75
76static struct platform_device pandora_leds_gpio = {
77 .name = "leds-gpio",
78 .id = -1,
79 .dev = {
80 .platform_data = &pandora_gpio_led_data,
81 },
82};
83
84#define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
85{ \
86 .gpio = gpio_num, \
87 .type = ev_type, \
88 .code = ev_code, \
89 .active_low = act_low, \
90 .desc = "btn " descr, \
91}
92
93#define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
94 GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
95
96static struct gpio_keys_button pandora_gpio_keys[] = {
97 GPIO_BUTTON_LOW(110, KEY_UP, "up"),
98 GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
99 GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
100 GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
101 GPIO_BUTTON_LOW(111, BTN_A, "a"),
102 GPIO_BUTTON_LOW(106, BTN_B, "b"),
103 GPIO_BUTTON_LOW(109, BTN_X, "x"),
104 GPIO_BUTTON_LOW(101, BTN_Y, "y"),
105 GPIO_BUTTON_LOW(102, BTN_TL, "l"),
106 GPIO_BUTTON_LOW(97, BTN_TL2, "l2"),
107 GPIO_BUTTON_LOW(105, BTN_TR, "r"),
108 GPIO_BUTTON_LOW(107, BTN_TR2, "r2"),
109 GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
110 GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
111 GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
112 GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
113 GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
114};
115
116static struct gpio_keys_platform_data pandora_gpio_key_info = {
117 .buttons = pandora_gpio_keys,
118 .nbuttons = ARRAY_SIZE(pandora_gpio_keys),
119};
120
121static struct platform_device pandora_keys_gpio = {
122 .name = "gpio-keys",
123 .id = -1,
124 .dev = {
125 .platform_data = &pandora_gpio_key_info,
126 },
127};
128
129static void __init pandora_keys_gpio_init(void)
130{
131 /* set debounce time for GPIO banks 4 and 6 */
132 omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);
133 omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);
134}
135
136static int pandora_keypad_map[] = {
137 /* col, row, code */
138 KEY(0, 0, KEY_9),
139 KEY(0, 1, KEY_0),
140 KEY(0, 2, KEY_BACKSPACE),
141 KEY(0, 3, KEY_O),
142 KEY(0, 4, KEY_P),
143 KEY(0, 5, KEY_K),
144 KEY(0, 6, KEY_L),
145 KEY(0, 7, KEY_ENTER),
146 KEY(1, 0, KEY_8),
147 KEY(1, 1, KEY_7),
148 KEY(1, 2, KEY_6),
149 KEY(1, 3, KEY_5),
150 KEY(1, 4, KEY_4),
151 KEY(1, 5, KEY_3),
152 KEY(1, 6, KEY_2),
153 KEY(1, 7, KEY_1),
154 KEY(2, 0, KEY_I),
155 KEY(2, 1, KEY_U),
156 KEY(2, 2, KEY_Y),
157 KEY(2, 3, KEY_T),
158 KEY(2, 4, KEY_R),
159 KEY(2, 5, KEY_E),
160 KEY(2, 6, KEY_W),
161 KEY(2, 7, KEY_Q),
162 KEY(3, 0, KEY_J),
163 KEY(3, 1, KEY_H),
164 KEY(3, 2, KEY_G),
165 KEY(3, 3, KEY_F),
166 KEY(3, 4, KEY_D),
167 KEY(3, 5, KEY_S),
168 KEY(3, 6, KEY_A),
169 KEY(3, 7, KEY_LEFTSHIFT),
170 KEY(4, 0, KEY_N),
171 KEY(4, 1, KEY_B),
172 KEY(4, 2, KEY_V),
173 KEY(4, 3, KEY_C),
174 KEY(4, 4, KEY_X),
175 KEY(4, 5, KEY_Z),
176 KEY(4, 6, KEY_DOT),
177 KEY(4, 7, KEY_COMMA),
178 KEY(5, 0, KEY_M),
179 KEY(5, 1, KEY_SPACE),
180 KEY(5, 2, KEY_FN),
181};
182
183static struct twl4030_keypad_data pandora_kp_data = {
184 .rows = 8,
185 .cols = 6,
186 .keymap = pandora_keypad_map,
187 .keymapsize = ARRAY_SIZE(pandora_keypad_map),
188 .rep = 1,
189};
190
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191static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
192 {
193 .mmc = 1,
194 .wires = 4,
195 .gpio_cd = -EINVAL,
196 .gpio_wp = 126,
197 .ext_clock = 0,
198 },
199 {
200 .mmc = 2,
201 .wires = 4,
202 .gpio_cd = -EINVAL,
203 .gpio_wp = 127,
204 .ext_clock = 1,
0329c377 205 .transceiver = true,
90c62bf0 206 },
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207 {
208 .mmc = 3,
209 .wires = 4,
210 .gpio_cd = -EINVAL,
211 .gpio_wp = -EINVAL,
212 },
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213 {} /* Terminator */
214};
215
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216static struct regulator_consumer_supply pandora_vmmc1_supply = {
217 .supply = "vmmc",
218};
219
220static struct regulator_consumer_supply pandora_vmmc2_supply = {
221 .supply = "vmmc",
222};
223
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224static int omap3pandora_twl_gpio_setup(struct device *dev,
225 unsigned gpio, unsigned ngpio)
226{
227 /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
228 omap3pandora_mmc[0].gpio_cd = gpio + 0;
229 omap3pandora_mmc[1].gpio_cd = gpio + 1;
230 twl4030_mmc_init(omap3pandora_mmc);
231
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232 /* link regulators to MMC adapters */
233 pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev;
234 pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev;
235
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236 return 0;
237}
238
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239static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
240 .gpio_base = OMAP_MAX_GPIO_LINES,
241 .irq_base = TWL4030_GPIO_IRQ_BASE,
242 .irq_end = TWL4030_GPIO_IRQ_END,
90c62bf0 243 .setup = omap3pandora_twl_gpio_setup,
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244};
245
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246/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
247static struct regulator_init_data pandora_vmmc1 = {
248 .constraints = {
249 .min_uV = 1850000,
250 .max_uV = 3150000,
251 .valid_modes_mask = REGULATOR_MODE_NORMAL
252 | REGULATOR_MODE_STANDBY,
253 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
254 | REGULATOR_CHANGE_MODE
255 | REGULATOR_CHANGE_STATUS,
256 },
257 .num_consumer_supplies = 1,
258 .consumer_supplies = &pandora_vmmc1_supply,
259};
260
261/* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
262static struct regulator_init_data pandora_vmmc2 = {
263 .constraints = {
264 .min_uV = 1850000,
265 .max_uV = 3150000,
266 .valid_modes_mask = REGULATOR_MODE_NORMAL
267 | REGULATOR_MODE_STANDBY,
268 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
269 | REGULATOR_CHANGE_MODE
270 | REGULATOR_CHANGE_STATUS,
271 },
272 .num_consumer_supplies = 1,
273 .consumer_supplies = &pandora_vmmc2_supply,
274};
275
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276static struct twl4030_usb_data omap3pandora_usb_data = {
277 .usb_mode = T2_USB_MODE_ULPI,
278};
279
280static struct twl4030_platform_data omap3pandora_twldata = {
281 .irq_base = TWL4030_IRQ_BASE,
282 .irq_end = TWL4030_IRQ_END,
283 .gpio = &omap3pandora_gpio_data,
284 .usb = &omap3pandora_usb_data,
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285 .vmmc1 = &pandora_vmmc1,
286 .vmmc2 = &pandora_vmmc2,
74190450 287 .keypad = &pandora_kp_data,
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288};
289
290static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
291 {
292 I2C_BOARD_INFO("tps65950", 0x48),
293 .flags = I2C_CLIENT_WAKE,
294 .irq = INT_34XX_SYS_NIRQ,
295 .platform_data = &omap3pandora_twldata,
296 },
297};
298
299static int __init omap3pandora_i2c_init(void)
300{
301 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
302 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
303 /* i2c2 pins are not connected */
304 omap_register_i2c_bus(3, 400, NULL, 0);
305 return 0;
306}
307
308static void __init omap3pandora_init_irq(void)
309{
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310 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
311 mt46h32m32lf6_sdrc_params);
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312 omap_init_irq();
313 omap_gpio_init();
314}
315
316static void __init omap3pandora_ads7846_init(void)
317{
318 int gpio = OMAP3_PANDORA_TS_GPIO;
319 int ret;
320
321 ret = gpio_request(gpio, "ads7846_pen_down");
322 if (ret < 0) {
323 printk(KERN_ERR "Failed to request GPIO %d for "
324 "ads7846 pen down IRQ\n", gpio);
325 return;
326 }
327
328 gpio_direction_input(gpio);
329}
330
331static int ads7846_get_pendown_state(void)
332{
333 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
334}
335
336static struct ads7846_platform_data ads7846_config = {
337 .x_max = 0x0fff,
338 .y_max = 0x0fff,
339 .x_plate_ohms = 180,
340 .pressure_max = 255,
341 .debounce_max = 10,
342 .debounce_tol = 3,
343 .debounce_rep = 1,
344 .get_pendown_state = ads7846_get_pendown_state,
345 .keep_vref_on = 1,
346};
347
348static struct omap2_mcspi_device_config ads7846_mcspi_config = {
349 .turbo_mode = 0,
350 .single_channel = 1, /* 0: slave, 1: master */
351};
352
353static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
354 {
355 .modalias = "ads7846",
356 .bus_num = 1,
357 .chip_select = 0,
358 .max_speed_hz = 1500000,
359 .controller_data = &ads7846_mcspi_config,
360 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
361 .platform_data = &ads7846_config,
362 }
363};
364
365static struct platform_device omap3pandora_lcd_device = {
366 .name = "pandora_lcd",
367 .id = -1,
368};
369
370static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
371 .ctrl_name = "internal",
372};
373
374static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
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375 { OMAP_TAG_LCD, &omap3pandora_lcd_config },
376};
377
378static struct platform_device *omap3pandora_devices[] __initdata = {
379 &omap3pandora_lcd_device,
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380 &pandora_leds_gpio,
381 &pandora_keys_gpio,
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382};
383
384static void __init omap3pandora_init(void)
385{
386 omap3pandora_i2c_init();
387 platform_add_devices(omap3pandora_devices,
388 ARRAY_SIZE(omap3pandora_devices));
389 omap_board_config = omap3pandora_config;
390 omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
391 omap_serial_init();
392 spi_register_board_info(omap3pandora_spi_board_info,
393 ARRAY_SIZE(omap3pandora_spi_board_info));
394 omap3pandora_ads7846_init();
74190450 395 pandora_keys_gpio_init();
18cb7aca 396 usb_musb_init();
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397
398 /* Ensure SDRC pins are mux'd for self-refresh */
399 omap_cfg_reg(H16_34XX_SDRC_CKE0);
400 omap_cfg_reg(H17_34XX_SDRC_CKE1);
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401}
402
403static void __init omap3pandora_map_io(void)
404{
405 omap2_set_globals_343x();
406 omap2_map_common_io();
407}
408
409MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
410 .phys_io = 0x48000000,
411 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
412 .boot_params = 0x80000100,
413 .map_io = omap3pandora_map_io,
414 .init_irq = omap3pandora_init_irq,
415 .init_machine = omap3pandora_init,
416 .timer = &omap_timer,
417MACHINE_END