Commit | Line | Data |
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da177247 GI |
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> |
74190450 GI |
28 | #include <linux/leds.h> |
29 | #include <linux/input.h> | |
6135434a | 30 | #include <linux/input/matrix_keypad.h> |
74190450 | 31 | #include <linux/gpio_keys.h> |
da177247 GI |
32 | |
33 | #include <asm/mach-types.h> | |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/map.h> | |
36 | ||
ce491cf8 TL |
37 | #include <plat/board.h> |
38 | #include <plat/common.h> | |
da177247 GI |
39 | #include <mach/gpio.h> |
40 | #include <mach/hardware.h> | |
ce491cf8 TL |
41 | #include <plat/mcspi.h> |
42 | #include <plat/usb.h> | |
ce491cf8 | 43 | #include <plat/mux.h> |
da177247 | 44 | |
2e12bd7e | 45 | #include "sdram-micron-mt46h32m32lf-6.h" |
90c62bf0 TL |
46 | #include "mmc-twl4030.h" |
47 | ||
da177247 GI |
48 | #define OMAP3_PANDORA_TS_GPIO 94 |
49 | ||
74190450 GI |
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(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 | ||
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 | ||
4f543332 | 136 | static int board_keymap[] = { |
24de042c | 137 | /* row, col, code */ |
74190450 | 138 | KEY(0, 0, KEY_9), |
24de042c GI |
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), | |
74190450 | 145 | KEY(1, 1, KEY_7), |
24de042c GI |
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), | |
74190450 | 152 | KEY(2, 2, KEY_Y), |
24de042c GI |
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), | |
74190450 | 159 | KEY(3, 3, KEY_F), |
24de042c GI |
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), | |
74190450 | 165 | KEY(4, 4, KEY_X), |
24de042c GI |
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), | |
74190450 GI |
181 | }; |
182 | ||
4f543332 TL |
183 | static struct matrix_keymap_data board_map_data = { |
184 | .keymap = board_keymap, | |
185 | .keymap_size = ARRAY_SIZE(board_keymap), | |
186 | }; | |
187 | ||
74190450 | 188 | static struct twl4030_keypad_data pandora_kp_data = { |
4f543332 | 189 | .keymap_data = &board_map_data, |
74190450 GI |
190 | .rows = 8, |
191 | .cols = 6, | |
74190450 GI |
192 | .rep = 1, |
193 | }; | |
194 | ||
90c62bf0 TL |
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, | |
0329c377 | 209 | .transceiver = true, |
90c62bf0 | 210 | }, |
07d83cc9 GI |
211 | { |
212 | .mmc = 3, | |
213 | .wires = 4, | |
214 | .gpio_cd = -EINVAL, | |
215 | .gpio_wp = -EINVAL, | |
216 | }, | |
90c62bf0 TL |
217 | {} /* Terminator */ |
218 | }; | |
219 | ||
64f535a8 GI |
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 | ||
90c62bf0 TL |
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 | ||
64f535a8 GI |
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 | ||
90c62bf0 TL |
240 | return 0; |
241 | } | |
242 | ||
da177247 GI |
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, | |
90c62bf0 | 247 | .setup = omap3pandora_twl_gpio_setup, |
da177247 GI |
248 | }; |
249 | ||
64f535a8 GI |
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 | ||
da177247 GI |
280 | static struct twl4030_usb_data omap3pandora_usb_data = { |
281 | .usb_mode = T2_USB_MODE_ULPI, | |
282 | }; | |
283 | ||
e86fa0b4 PU |
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 = { | |
6df74efb | 289 | .audio_mclk = 26000000, |
e86fa0b4 PU |
290 | .audio = &omap3pandora_audio_data, |
291 | }; | |
292 | ||
da177247 GI |
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, | |
e86fa0b4 | 298 | .codec = &omap3pandora_codec_data, |
64f535a8 GI |
299 | .vmmc1 = &pandora_vmmc1, |
300 | .vmmc2 = &pandora_vmmc2, | |
74190450 | 301 | .keypad = &pandora_kp_data, |
da177247 GI |
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, 400, NULL, 0); | |
319 | return 0; | |
320 | } | |
321 | ||
da177247 GI |
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 struct platform_device omap3pandora_lcd_device = { | |
372 | .name = "pandora_lcd", | |
373 | .id = -1, | |
374 | }; | |
375 | ||
376 | static struct omap_lcd_config omap3pandora_lcd_config __initdata = { | |
377 | .ctrl_name = "internal", | |
378 | }; | |
379 | ||
380 | static struct omap_board_config_kernel omap3pandora_config[] __initdata = { | |
da177247 GI |
381 | { OMAP_TAG_LCD, &omap3pandora_lcd_config }, |
382 | }; | |
383 | ||
b3c6df3a PW |
384 | static void __init omap3pandora_init_irq(void) |
385 | { | |
386 | omap_board_config = omap3pandora_config; | |
387 | omap_board_config_size = ARRAY_SIZE(omap3pandora_config); | |
388 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, | |
389 | mt46h32m32lf6_sdrc_params); | |
390 | omap_init_irq(); | |
391 | omap_gpio_init(); | |
392 | } | |
393 | ||
da177247 GI |
394 | static struct platform_device *omap3pandora_devices[] __initdata = { |
395 | &omap3pandora_lcd_device, | |
74190450 GI |
396 | &pandora_leds_gpio, |
397 | &pandora_keys_gpio, | |
da177247 GI |
398 | }; |
399 | ||
58a5491c FB |
400 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
401 | ||
402 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
403 | .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
404 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
405 | ||
406 | .phy_reset = true, | |
407 | .reset_gpio_port[0] = 16, | |
408 | .reset_gpio_port[1] = -EINVAL, | |
409 | .reset_gpio_port[2] = -EINVAL | |
410 | }; | |
411 | ||
da177247 GI |
412 | static void __init omap3pandora_init(void) |
413 | { | |
414 | omap3pandora_i2c_init(); | |
415 | platform_add_devices(omap3pandora_devices, | |
416 | ARRAY_SIZE(omap3pandora_devices)); | |
da177247 GI |
417 | omap_serial_init(); |
418 | spi_register_board_info(omap3pandora_spi_board_info, | |
419 | ARRAY_SIZE(omap3pandora_spi_board_info)); | |
420 | omap3pandora_ads7846_init(); | |
58a5491c | 421 | usb_ehci_init(&ehci_pdata); |
74190450 | 422 | pandora_keys_gpio_init(); |
18cb7aca | 423 | usb_musb_init(); |
9fb97412 JP |
424 | |
425 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
426 | omap_cfg_reg(H16_34XX_SDRC_CKE0); | |
427 | omap_cfg_reg(H17_34XX_SDRC_CKE1); | |
da177247 GI |
428 | } |
429 | ||
430 | static void __init omap3pandora_map_io(void) | |
431 | { | |
432 | omap2_set_globals_343x(); | |
433 | omap2_map_common_io(); | |
434 | } | |
435 | ||
436 | MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console") | |
437 | .phys_io = 0x48000000, | |
b4224b23 | 438 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
da177247 GI |
439 | .boot_params = 0x80000100, |
440 | .map_io = omap3pandora_map_io, | |
441 | .init_irq = omap3pandora_init_irq, | |
442 | .init_machine = omap3pandora_init, | |
443 | .timer = &omap_timer, | |
444 | MACHINE_END |