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Grazvydas Ignotasda177242008-12-10 17:36:54 -08001/*
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>
Grazvydas Ignotas64f535a2009-05-28 14:04:04 -070026#include <linux/regulator/machine.h>
Grazvydas Ignotasda177242008-12-10 17:36:54 -080027#include <linux/i2c/twl4030.h>
Grazvydas Ignotas74190452009-05-28 14:15:44 -070028#include <linux/leds.h>
29#include <linux/input.h>
Janusz Krzysztofik61354342009-10-22 14:43:17 -070030#include <linux/input/matrix_keypad.h>
Grazvydas Ignotas74190452009-05-28 14:15:44 -070031#include <linux/gpio_keys.h>
Grazvydas Ignotasda177242008-12-10 17:36:54 -080032
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36
37#include <mach/board.h>
38#include <mach/common.h>
39#include <mach/gpio.h>
40#include <mach/hardware.h>
41#include <mach/mcspi.h>
Felipe Balbi18cb7ac2009-03-23 18:34:06 -070042#include <mach/usb.h>
Jean Pihet9fb97412009-07-24 19:43:25 -060043#include <mach/mux.h>
Grazvydas Ignotasda177242008-12-10 17:36:54 -080044
Paul Walmsley2e12bd72009-05-28 14:03:59 -070045#include "sdram-micron-mt46h32m32lf-6.h"
Tony Lindgren90c62bf2008-12-10 17:37:17 -080046#include "mmc-twl4030.h"
47
Grazvydas Ignotasda177242008-12-10 17:36:54 -080048#define OMAP3_PANDORA_TS_GPIO 94
49
Grazvydas Ignotas74190452009-05-28 14:15:44 -070050/* 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
Tony Lindgren4f543332009-09-24 16:23:16 -0700136static int board_keymap[] = {
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800137 /* row, col, code */
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700138 KEY(0, 0, KEY_9),
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800139 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),
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700145 KEY(1, 1, KEY_7),
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800146 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),
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700152 KEY(2, 2, KEY_Y),
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800153 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),
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700159 KEY(3, 3, KEY_F),
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800160 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),
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700165 KEY(4, 4, KEY_X),
Grazvydas Ignotas24de0422009-11-11 11:00:35 -0800166 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),
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700181};
182
Tony Lindgren4f543332009-09-24 16:23:16 -0700183static struct matrix_keymap_data board_map_data = {
184 .keymap = board_keymap,
185 .keymap_size = ARRAY_SIZE(board_keymap),
186};
187
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700188static struct twl4030_keypad_data pandora_kp_data = {
Tony Lindgren4f543332009-09-24 16:23:16 -0700189 .keymap_data = &board_map_data,
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700190 .rows = 8,
191 .cols = 6,
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700192 .rep = 1,
193};
194
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800195static 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,
David Brownell0329c372009-03-23 18:23:47 -0700209 .transceiver = true,
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800210 },
Grazvydas Ignotas07d83cc2009-03-23 18:23:47 -0700211 {
212 .mmc = 3,
213 .wires = 4,
214 .gpio_cd = -EINVAL,
215 .gpio_wp = -EINVAL,
216 },
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800217 {} /* Terminator */
218};
219
Grazvydas Ignotas64f535a2009-05-28 14:04:04 -0700220static struct regulator_consumer_supply pandora_vmmc1_supply = {
221 .supply = "vmmc",
222};
223
224static struct regulator_consumer_supply pandora_vmmc2_supply = {
225 .supply = "vmmc",
226};
227
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800228static 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
Grazvydas Ignotas64f535a2009-05-28 14:04:04 -0700236 /* link regulators to MMC adapters */
237 pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev;
238 pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev;
239
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800240 return 0;
241}
242
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800243static 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,
Tony Lindgren90c62bf2008-12-10 17:37:17 -0800247 .setup = omap3pandora_twl_gpio_setup,
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800248};
249
Grazvydas Ignotas64f535a2009-05-28 14:04:04 -0700250/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
251static 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) */
266static 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
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800280static struct twl4030_usb_data omap3pandora_usb_data = {
281 .usb_mode = T2_USB_MODE_ULPI,
282};
283
284static struct twl4030_platform_data omap3pandora_twldata = {
285 .irq_base = TWL4030_IRQ_BASE,
286 .irq_end = TWL4030_IRQ_END,
287 .gpio = &omap3pandora_gpio_data,
288 .usb = &omap3pandora_usb_data,
Grazvydas Ignotas64f535a2009-05-28 14:04:04 -0700289 .vmmc1 = &pandora_vmmc1,
290 .vmmc2 = &pandora_vmmc2,
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700291 .keypad = &pandora_kp_data,
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800292};
293
294static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
295 {
296 I2C_BOARD_INFO("tps65950", 0x48),
297 .flags = I2C_CLIENT_WAKE,
298 .irq = INT_34XX_SYS_NIRQ,
299 .platform_data = &omap3pandora_twldata,
300 },
301};
302
303static int __init omap3pandora_i2c_init(void)
304{
305 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
306 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
307 /* i2c2 pins are not connected */
308 omap_register_i2c_bus(3, 400, NULL, 0);
309 return 0;
310}
311
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800312static void __init omap3pandora_ads7846_init(void)
313{
314 int gpio = OMAP3_PANDORA_TS_GPIO;
315 int ret;
316
317 ret = gpio_request(gpio, "ads7846_pen_down");
318 if (ret < 0) {
319 printk(KERN_ERR "Failed to request GPIO %d for "
320 "ads7846 pen down IRQ\n", gpio);
321 return;
322 }
323
324 gpio_direction_input(gpio);
325}
326
327static int ads7846_get_pendown_state(void)
328{
329 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
330}
331
332static struct ads7846_platform_data ads7846_config = {
333 .x_max = 0x0fff,
334 .y_max = 0x0fff,
335 .x_plate_ohms = 180,
336 .pressure_max = 255,
337 .debounce_max = 10,
338 .debounce_tol = 3,
339 .debounce_rep = 1,
340 .get_pendown_state = ads7846_get_pendown_state,
341 .keep_vref_on = 1,
342};
343
344static struct omap2_mcspi_device_config ads7846_mcspi_config = {
345 .turbo_mode = 0,
346 .single_channel = 1, /* 0: slave, 1: master */
347};
348
349static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
350 {
351 .modalias = "ads7846",
352 .bus_num = 1,
353 .chip_select = 0,
354 .max_speed_hz = 1500000,
355 .controller_data = &ads7846_mcspi_config,
356 .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
357 .platform_data = &ads7846_config,
358 }
359};
360
361static struct platform_device omap3pandora_lcd_device = {
362 .name = "pandora_lcd",
363 .id = -1,
364};
365
366static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
367 .ctrl_name = "internal",
368};
369
370static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800371 { OMAP_TAG_LCD, &omap3pandora_lcd_config },
372};
373
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300374static void __init omap3pandora_init_irq(void)
375{
376 omap_board_config = omap3pandora_config;
377 omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
378 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
379 mt46h32m32lf6_sdrc_params);
380 omap_init_irq();
381 omap_gpio_init();
382}
383
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800384static struct platform_device *omap3pandora_devices[] __initdata = {
385 &omap3pandora_lcd_device,
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700386 &pandora_leds_gpio,
387 &pandora_keys_gpio,
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800388};
389
390static void __init omap3pandora_init(void)
391{
392 omap3pandora_i2c_init();
393 platform_add_devices(omap3pandora_devices,
394 ARRAY_SIZE(omap3pandora_devices));
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800395 omap_serial_init();
396 spi_register_board_info(omap3pandora_spi_board_info,
397 ARRAY_SIZE(omap3pandora_spi_board_info));
398 omap3pandora_ads7846_init();
Grazvydas Ignotas74190452009-05-28 14:15:44 -0700399 pandora_keys_gpio_init();
Felipe Balbi18cb7ac2009-03-23 18:34:06 -0700400 usb_musb_init();
Jean Pihet9fb97412009-07-24 19:43:25 -0600401
402 /* Ensure SDRC pins are mux'd for self-refresh */
403 omap_cfg_reg(H16_34XX_SDRC_CKE0);
404 omap_cfg_reg(H17_34XX_SDRC_CKE1);
Grazvydas Ignotasda177242008-12-10 17:36:54 -0800405}
406
407static void __init omap3pandora_map_io(void)
408{
409 omap2_set_globals_343x();
410 omap2_map_common_io();
411}
412
413MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
414 .phys_io = 0x48000000,
415 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
416 .boot_params = 0x80000100,
417 .map_io = omap3pandora_map_io,
418 .init_irq = omap3pandora_init_irq,
419 .init_machine = omap3pandora_init,
420 .timer = &omap_timer,
421MACHINE_END