2 * board-omap3pandora.c (Pandora Handheld Console)
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.
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.
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
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/platform_device.h>
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>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
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>
45 #include "sdram-micron-mt46h32m32lf-6.h"
46 #include "mmc-twl4030.h"
48 #define OMAP3_PANDORA_TS_GPIO 94
50 /* hardware debounce: (value + 1) * 31us */
51 #define GPIO_DEBOUNCE_TIME 127
53 static struct gpio_led pandora_gpio_leds[] = {
55 .name = "pandora::sd1",
56 .default_trigger = "mmc0",
59 .name = "pandora::sd2",
60 .default_trigger = "mmc1",
63 .name = "pandora::bluetooth",
66 .name = "pandora::wifi",
71 static struct gpio_led_platform_data pandora_gpio_led_data = {
72 .leds = pandora_gpio_leds,
73 .num_leds = ARRAY_SIZE(pandora_gpio_leds),
76 static struct platform_device pandora_leds_gpio = {
80 .platform_data = &pandora_gpio_led_data,
84 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
89 .active_low = act_low, \
90 .desc = "btn " descr, \
93 #define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
94 GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
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"),
116 static struct gpio_keys_platform_data pandora_gpio_key_info = {
117 .buttons = pandora_gpio_keys,
118 .nbuttons = ARRAY_SIZE(pandora_gpio_keys),
121 static struct platform_device pandora_keys_gpio = {
125 .platform_data = &pandora_gpio_key_info,
129 static void __init pandora_keys_gpio_init(void)
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);
136 static int board_keymap[] = {
149 KEY(1, 5, KEY_SPACE),
150 KEY(2, 0, KEY_BACKSPACE),
176 KEY(7, 0, KEY_ENTER),
179 KEY(7, 3, KEY_LEFTSHIFT),
180 KEY(7, 4, KEY_COMMA),
183 static struct matrix_keymap_data board_map_data = {
184 .keymap = board_keymap,
185 .keymap_size = ARRAY_SIZE(board_keymap),
188 static struct twl4030_keypad_data pandora_kp_data = {
189 .keymap_data = &board_map_data,
195 static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
220 static struct regulator_consumer_supply pandora_vmmc1_supply = {
224 static struct regulator_consumer_supply pandora_vmmc2_supply = {
228 static int omap3pandora_twl_gpio_setup(struct device *dev,
229 unsigned gpio, unsigned ngpio)
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);
236 /* link regulators to MMC adapters */
237 pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev;
238 pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev;
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,
250 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
251 static struct regulator_init_data pandora_vmmc1 = {
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,
261 .num_consumer_supplies = 1,
262 .consumer_supplies = &pandora_vmmc1_supply,
265 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
266 static struct regulator_init_data pandora_vmmc2 = {
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,
276 .num_consumer_supplies = 1,
277 .consumer_supplies = &pandora_vmmc2_supply,
280 static struct twl4030_usb_data omap3pandora_usb_data = {
281 .usb_mode = T2_USB_MODE_ULPI,
284 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
285 .audio_mclk = 26000000,
288 static struct twl4030_codec_data omap3pandora_codec_data = {
289 .audio_mclk = 26000000,
290 .audio = &omap3pandora_audio_data,
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,
304 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
306 I2C_BOARD_INFO("tps65950", 0x48),
307 .flags = I2C_CLIENT_WAKE,
308 .irq = INT_34XX_SYS_NIRQ,
309 .platform_data = &omap3pandora_twldata,
313 static int __init omap3pandora_i2c_init(void)
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);
322 static void __init omap3pandora_ads7846_init(void)
324 int gpio = OMAP3_PANDORA_TS_GPIO;
327 ret = gpio_request(gpio, "ads7846_pen_down");
329 printk(KERN_ERR "Failed to request GPIO %d for "
330 "ads7846 pen down IRQ\n", gpio);
334 gpio_direction_input(gpio);
337 static int ads7846_get_pendown_state(void)
339 return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
342 static struct ads7846_platform_data ads7846_config = {
350 .get_pendown_state = ads7846_get_pendown_state,
354 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
356 .single_channel = 1, /* 0: slave, 1: master */
359 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
361 .modalias = "ads7846",
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,
371 static void __init omap3pandora_init_irq(void)
373 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
374 mt46h32m32lf6_sdrc_params);
379 static struct platform_device *omap3pandora_devices[] __initdata = {
384 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
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,
391 .reset_gpio_port[0] = 16,
392 .reset_gpio_port[1] = -EINVAL,
393 .reset_gpio_port[2] = -EINVAL
396 #ifdef CONFIG_OMAP_MUX
397 static struct omap_board_mux board_mux[] __initdata = {
398 { .reg_offset = OMAP_MUX_TERMINATOR },
401 #define board_mux NULL
404 static void __init omap3pandora_init(void)
406 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
407 omap3pandora_i2c_init();
408 platform_add_devices(omap3pandora_devices,
409 ARRAY_SIZE(omap3pandora_devices));
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();
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);
423 static void __init omap3pandora_map_io(void)
425 omap2_set_globals_343x();
426 omap2_map_common_io();
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,