omap3: pandora: board file updates for .33
[linux-2.6.git] / arch / arm / mach-omap2 / board-omap3pandora.c
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>
26 #include <linux/regulator/machine.h>
27 #include <linux/i2c/twl4030.h>
28 #include <linux/leds.h>
29 #include <linux/input.h>
30 #include <linux/input/matrix_keypad.h>
31 #include <linux/gpio_keys.h>
32
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36
37 #include <plat/board.h>
38 #include <plat/common.h>
39 #include <mach/gpio.h>
40 #include <mach/hardware.h>
41 #include <plat/mcspi.h>
42 #include <plat/usb.h>
43
44 #include "mux.h"
45 #include "sdram-micron-mt46h32m32lf-6.h"
46 #include "mmc-twl4030.h"
47
48 #define OMAP3_PANDORA_TS_GPIO           94
49
50 /* hardware debounce: (value + 1) * 31us */
51 #define GPIO_DEBOUNCE_TIME              127
52
53 static 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
71 static struct gpio_led_platform_data pandora_gpio_led_data = {
72         .leds           = pandora_gpio_leds,
73         .num_leds       = ARRAY_SIZE(pandora_gpio_leds),
74 };
75
76 static 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
96 static 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(109,    KEY_KP1,        "game 1"),
102         GPIO_BUTTON_LOW(111,    KEY_KP2,        "game 2"),
103         GPIO_BUTTON_LOW(106,    KEY_KP3,        "game 3"),
104         GPIO_BUTTON_LOW(101,    KEY_KP4,        "game 4"),
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
116 static struct gpio_keys_platform_data pandora_gpio_key_info = {
117         .buttons        = pandora_gpio_keys,
118         .nbuttons       = ARRAY_SIZE(pandora_gpio_keys),
119 };
120
121 static 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
129 static 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
136 static int board_keymap[] = {
137         /* row, col, code */
138         KEY(0, 0, KEY_9),
139         KEY(0, 1, KEY_8),
140         KEY(0, 2, KEY_I),
141         KEY(0, 3, KEY_J),
142         KEY(0, 4, KEY_N),
143         KEY(0, 5, KEY_M),
144         KEY(1, 0, KEY_0),
145         KEY(1, 1, KEY_7),
146         KEY(1, 2, KEY_U),
147         KEY(1, 3, KEY_H),
148         KEY(1, 4, KEY_B),
149         KEY(1, 5, KEY_SPACE),
150         KEY(2, 0, KEY_BACKSPACE),
151         KEY(2, 1, KEY_6),
152         KEY(2, 2, KEY_Y),
153         KEY(2, 3, KEY_G),
154         KEY(2, 4, KEY_V),
155         KEY(2, 5, KEY_FN),
156         KEY(3, 0, KEY_O),
157         KEY(3, 1, KEY_5),
158         KEY(3, 2, KEY_T),
159         KEY(3, 3, KEY_F),
160         KEY(3, 4, KEY_C),
161         KEY(4, 0, KEY_P),
162         KEY(4, 1, KEY_4),
163         KEY(4, 2, KEY_R),
164         KEY(4, 3, KEY_D),
165         KEY(4, 4, KEY_X),
166         KEY(5, 0, KEY_K),
167         KEY(5, 1, KEY_3),
168         KEY(5, 2, KEY_E),
169         KEY(5, 3, KEY_S),
170         KEY(5, 4, KEY_Z),
171         KEY(6, 0, KEY_L),
172         KEY(6, 1, KEY_2),
173         KEY(6, 2, KEY_W),
174         KEY(6, 3, KEY_A),
175         KEY(6, 4, KEY_DOT),
176         KEY(7, 0, KEY_ENTER),
177         KEY(7, 1, KEY_1),
178         KEY(7, 2, KEY_Q),
179         KEY(7, 3, KEY_LEFTSHIFT),
180         KEY(7, 4, KEY_COMMA),
181 };
182
183 static struct matrix_keymap_data board_map_data = {
184         .keymap                 = board_keymap,
185         .keymap_size            = ARRAY_SIZE(board_keymap),
186 };
187
188 static struct twl4030_keypad_data pandora_kp_data = {
189         .keymap_data    = &board_map_data,
190         .rows           = 8,
191         .cols           = 6,
192         .rep            = 1,
193 };
194
195 static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
196         {
197                 .mmc            = 1,
198                 .wires          = 4,
199                 .gpio_cd        = -EINVAL,
200                 .gpio_wp        = 126,
201                 .ext_clock      = 0,
202         },
203         {
204                 .mmc            = 2,
205                 .wires          = 4,
206                 .gpio_cd        = -EINVAL,
207                 .gpio_wp        = 127,
208                 .ext_clock      = 1,
209                 .transceiver    = true,
210         },
211         {
212                 .mmc            = 3,
213                 .wires          = 4,
214                 .gpio_cd        = -EINVAL,
215                 .gpio_wp        = -EINVAL,
216         },
217         {}      /* Terminator */
218 };
219
220 static struct regulator_consumer_supply pandora_vmmc1_supply = {
221         .supply                 = "vmmc",
222 };
223
224 static struct regulator_consumer_supply pandora_vmmc2_supply = {
225         .supply                 = "vmmc",
226 };
227
228 static int omap3pandora_twl_gpio_setup(struct device *dev,
229                 unsigned gpio, unsigned ngpio)
230 {
231         /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
232         omap3pandora_mmc[0].gpio_cd = gpio + 0;
233         omap3pandora_mmc[1].gpio_cd = gpio + 1;
234         twl4030_mmc_init(omap3pandora_mmc);
235
236         /* link regulators to MMC adapters */
237         pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev;
238         pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev;
239
240         return 0;
241 }
242
243 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
244         .gpio_base      = OMAP_MAX_GPIO_LINES,
245         .irq_base       = TWL4030_GPIO_IRQ_BASE,
246         .irq_end        = TWL4030_GPIO_IRQ_END,
247         .setup          = omap3pandora_twl_gpio_setup,
248 };
249
250 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
251 static struct regulator_init_data pandora_vmmc1 = {
252         .constraints = {
253                 .min_uV                 = 1850000,
254                 .max_uV                 = 3150000,
255                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
256                                         | REGULATOR_MODE_STANDBY,
257                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
258                                         | REGULATOR_CHANGE_MODE
259                                         | REGULATOR_CHANGE_STATUS,
260         },
261         .num_consumer_supplies  = 1,
262         .consumer_supplies      = &pandora_vmmc1_supply,
263 };
264
265 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
266 static struct regulator_init_data pandora_vmmc2 = {
267         .constraints = {
268                 .min_uV                 = 1850000,
269                 .max_uV                 = 3150000,
270                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
271                                         | REGULATOR_MODE_STANDBY,
272                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
273                                         | REGULATOR_CHANGE_MODE
274                                         | REGULATOR_CHANGE_STATUS,
275         },
276         .num_consumer_supplies  = 1,
277         .consumer_supplies      = &pandora_vmmc2_supply,
278 };
279
280 static struct twl4030_usb_data omap3pandora_usb_data = {
281         .usb_mode       = T2_USB_MODE_ULPI,
282 };
283
284 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
285         .audio_mclk = 26000000,
286 };
287
288 static struct twl4030_codec_data omap3pandora_codec_data = {
289         .audio_mclk = 26000000,
290         .audio = &omap3pandora_audio_data,
291 };
292
293 static struct twl4030_platform_data omap3pandora_twldata = {
294         .irq_base       = TWL4030_IRQ_BASE,
295         .irq_end        = TWL4030_IRQ_END,
296         .gpio           = &omap3pandora_gpio_data,
297         .usb            = &omap3pandora_usb_data,
298         .codec          = &omap3pandora_codec_data,
299         .vmmc1          = &pandora_vmmc1,
300         .vmmc2          = &pandora_vmmc2,
301         .keypad         = &pandora_kp_data,
302 };
303
304 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
305         {
306                 I2C_BOARD_INFO("tps65950", 0x48),
307                 .flags = I2C_CLIENT_WAKE,
308                 .irq = INT_34XX_SYS_NIRQ,
309                 .platform_data = &omap3pandora_twldata,
310         },
311 };
312
313 static int __init omap3pandora_i2c_init(void)
314 {
315         omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
316                         ARRAY_SIZE(omap3pandora_i2c_boardinfo));
317         /* i2c2 pins are not connected */
318         omap_register_i2c_bus(3, 100, NULL, 0);
319         return 0;
320 }
321
322 static void __init omap3pandora_ads7846_init(void)
323 {
324         int gpio = OMAP3_PANDORA_TS_GPIO;
325         int ret;
326
327         ret = gpio_request(gpio, "ads7846_pen_down");
328         if (ret < 0) {
329                 printk(KERN_ERR "Failed to request GPIO %d for "
330                                 "ads7846 pen down IRQ\n", gpio);
331                 return;
332         }
333
334         gpio_direction_input(gpio);
335 }
336
337 static int ads7846_get_pendown_state(void)
338 {
339         return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
340 }
341
342 static struct ads7846_platform_data ads7846_config = {
343         .x_max                  = 0x0fff,
344         .y_max                  = 0x0fff,
345         .x_plate_ohms           = 180,
346         .pressure_max           = 255,
347         .debounce_max           = 10,
348         .debounce_tol           = 3,
349         .debounce_rep           = 1,
350         .get_pendown_state      = ads7846_get_pendown_state,
351         .keep_vref_on           = 1,
352 };
353
354 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
355         .turbo_mode     = 0,
356         .single_channel = 1,    /* 0: slave, 1: master */
357 };
358
359 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
360         {
361                 .modalias               = "ads7846",
362                 .bus_num                = 1,
363                 .chip_select            = 0,
364                 .max_speed_hz           = 1500000,
365                 .controller_data        = &ads7846_mcspi_config,
366                 .irq                    = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
367                 .platform_data          = &ads7846_config,
368         }
369 };
370
371 static void __init omap3pandora_init_irq(void)
372 {
373         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
374                              mt46h32m32lf6_sdrc_params);
375         omap_init_irq();
376         omap_gpio_init();
377 }
378
379 static struct platform_device *omap3pandora_devices[] __initdata = {
380         &pandora_leds_gpio,
381         &pandora_keys_gpio,
382 };
383
384 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
385
386         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
387         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
388         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
389
390         .phy_reset  = true,
391         .reset_gpio_port[0]  = 16,
392         .reset_gpio_port[1]  = -EINVAL,
393         .reset_gpio_port[2]  = -EINVAL
394 };
395
396 #ifdef CONFIG_OMAP_MUX
397 static struct omap_board_mux board_mux[] __initdata = {
398         { .reg_offset = OMAP_MUX_TERMINATOR },
399 };
400 #else
401 #define board_mux       NULL
402 #endif
403
404 static void __init omap3pandora_init(void)
405 {
406         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
407         omap3pandora_i2c_init();
408         platform_add_devices(omap3pandora_devices,
409                         ARRAY_SIZE(omap3pandora_devices));
410         omap_serial_init();
411         spi_register_board_info(omap3pandora_spi_board_info,
412                         ARRAY_SIZE(omap3pandora_spi_board_info));
413         omap3pandora_ads7846_init();
414         usb_ehci_init(&ehci_pdata);
415         pandora_keys_gpio_init();
416         usb_musb_init();
417
418         /* Ensure SDRC pins are mux'd for self-refresh */
419         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
420         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
421 }
422
423 static void __init omap3pandora_map_io(void)
424 {
425         omap2_set_globals_343x();
426         omap2_map_common_io();
427 }
428
429 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
430         .phys_io        = 0x48000000,
431         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
432         .boot_params    = 0x80000100,
433         .map_io         = omap3pandora_map_io,
434         .init_irq       = omap3pandora_init_irq,
435         .init_machine   = omap3pandora_init,
436         .timer          = &omap_timer,
437 MACHINE_END