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Commit 74190450 authored by Grazvydas Ignotas's avatar Grazvydas Ignotas Committed by Tony Lindgren
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ARM: OMAP3: pandora: add support for mode devices 



Add support for keypad, GPIO keys and LEDs. Also enable hardware
debounce feature for GPIO keys.

Signed-off-by: default avatarGrazvydas Ignotas <notasas@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1bfc3738

arch/arm/mach-omap2/board-omap3pandora.c

+149 −0
Original line number Diff line number Diff line
@@ -25,6 +25,9 @@ 
#include <linux/spi/ads7846.h>

#include <linux/regulator/machine.h>

#include <linux/i2c/twl4030.h>

#include <linux/leds.h>

#include <linux/input.h>

#include <linux/gpio_keys.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -36,12 +39,154 @@ 
#include <mach/hardware.h>

#include <mach/mcspi.h>

#include <mach/usb.h>

#include <mach/keypad.h>



#include "sdram-micron-mt46h32m32lf-6.h"

#include "mmc-twl4030.h"



#define OMAP3_PANDORA_TS_GPIO		94



/* hardware debounce: (value + 1) * 31us */

#define GPIO_DEBOUNCE_TIME		127



static struct gpio_led pandora_gpio_leds[] = {

	{

		.name			= "pandora::sd1",

		.default_trigger	= "mmc0",

		.gpio			= 128,

	}, {

		.name			= "pandora::sd2",

		.default_trigger	= "mmc1",

		.gpio			= 129,

	}, {

		.name			= "pandora::bluetooth",

		.gpio			= 158,

	}, {

		.name			= "pandora::wifi",

		.gpio			= 159,

	},

};



static struct gpio_led_platform_data pandora_gpio_led_data = {

	.leds		= pandora_gpio_leds,

	.num_leds	= ARRAY_SIZE(pandora_gpio_leds),

};



static struct platform_device pandora_leds_gpio = {

	.name	= "leds-gpio",

	.id	= -1,

	.dev	= {

		.platform_data	= &pandora_gpio_led_data,

	},

};



#define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr)	\

{								\

	.gpio		= gpio_num,				\

	.type		= ev_type,				\

	.code		= ev_code,				\

	.active_low	= act_low,				\

	.desc		= "btn " descr,				\

}



#define GPIO_BUTTON_LOW(gpio_num, event_code, description)	\

	GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)



static struct gpio_keys_button pandora_gpio_keys[] = {

	GPIO_BUTTON_LOW(110,	KEY_UP,		"up"),

	GPIO_BUTTON_LOW(103,	KEY_DOWN,	"down"),

	GPIO_BUTTON_LOW(96,	KEY_LEFT,	"left"),

	GPIO_BUTTON_LOW(98,	KEY_RIGHT,	"right"),

	GPIO_BUTTON_LOW(111,	BTN_A,		"a"),

	GPIO_BUTTON_LOW(106,	BTN_B,		"b"),

	GPIO_BUTTON_LOW(109,	BTN_X,		"x"),

	GPIO_BUTTON_LOW(101,	BTN_Y,		"y"),

	GPIO_BUTTON_LOW(102,	BTN_TL,		"l"),

	GPIO_BUTTON_LOW(97,	BTN_TL2,	"l2"),

	GPIO_BUTTON_LOW(105,	BTN_TR,		"r"),

	GPIO_BUTTON_LOW(107,	BTN_TR2,	"r2"),

	GPIO_BUTTON_LOW(104,	KEY_LEFTCTRL,	"ctrl"),

	GPIO_BUTTON_LOW(99,	KEY_MENU,	"menu"),

	GPIO_BUTTON_LOW(176,	KEY_COFFEE,	"hold"),

	GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),

	GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),

};



static struct gpio_keys_platform_data pandora_gpio_key_info = {

	.buttons	= pandora_gpio_keys,

	.nbuttons	= ARRAY_SIZE(pandora_gpio_keys),

};



static struct platform_device pandora_keys_gpio = {

	.name	= "gpio-keys",

	.id	= -1,

	.dev	= {

		.platform_data	= &pandora_gpio_key_info,

	},

};



static void __init pandora_keys_gpio_init(void)

{

	/* set debounce time for GPIO banks 4 and 6 */

	omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME);

	omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME);

}



static int pandora_keypad_map[] = {

	/* col, row, code */

	KEY(0, 0, KEY_9),

	KEY(0, 1, KEY_0),

	KEY(0, 2, KEY_BACKSPACE),

	KEY(0, 3, KEY_O),

	KEY(0, 4, KEY_P),

	KEY(0, 5, KEY_K),

	KEY(0, 6, KEY_L),

	KEY(0, 7, KEY_ENTER),

	KEY(1, 0, KEY_8),

	KEY(1, 1, KEY_7),

	KEY(1, 2, KEY_6),

	KEY(1, 3, KEY_5),

	KEY(1, 4, KEY_4),

	KEY(1, 5, KEY_3),

	KEY(1, 6, KEY_2),

	KEY(1, 7, KEY_1),

	KEY(2, 0, KEY_I),

	KEY(2, 1, KEY_U),

	KEY(2, 2, KEY_Y),

	KEY(2, 3, KEY_T),

	KEY(2, 4, KEY_R),

	KEY(2, 5, KEY_E),

	KEY(2, 6, KEY_W),

	KEY(2, 7, KEY_Q),

	KEY(3, 0, KEY_J),

	KEY(3, 1, KEY_H),

	KEY(3, 2, KEY_G),

	KEY(3, 3, KEY_F),

	KEY(3, 4, KEY_D),

	KEY(3, 5, KEY_S),

	KEY(3, 6, KEY_A),

	KEY(3, 7, KEY_LEFTSHIFT),

	KEY(4, 0, KEY_N),

	KEY(4, 1, KEY_B),

	KEY(4, 2, KEY_V),

	KEY(4, 3, KEY_C),

	KEY(4, 4, KEY_X),

	KEY(4, 5, KEY_Z),

	KEY(4, 6, KEY_DOT),

	KEY(4, 7, KEY_COMMA),

	KEY(5, 0, KEY_M),

	KEY(5, 1, KEY_SPACE),

	KEY(5, 2, KEY_FN),

};



static struct twl4030_keypad_data pandora_kp_data = {

	.rows		= 8,

	.cols		= 6,

	.keymap		= pandora_keypad_map,

	.keymapsize	= ARRAY_SIZE(pandora_keypad_map),

	.rep		= 1,

};



static struct twl4030_hsmmc_info omap3pandora_mmc[] = {

	{

		.mmc		= 1,
@@ -142,6 +287,7 @@ static struct twl4030_platform_data omap3pandora_twldata = { 
	.usb		= &omap3pandora_usb_data,

	.vmmc1		= &pandora_vmmc1,

	.vmmc2		= &pandora_vmmc2,

	.keypad		= &pandora_kp_data,

};



static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
@@ -234,6 +380,8 @@ static struct omap_board_config_kernel omap3pandora_config[] __initdata = { 


static struct platform_device *omap3pandora_devices[] __initdata = {

	&omap3pandora_lcd_device,

	&pandora_leds_gpio,

	&pandora_keys_gpio,

};



static void __init omap3pandora_init(void)
@@ -247,6 +395,7 @@ static void __init omap3pandora_init(void) 
	spi_register_board_info(omap3pandora_spi_board_info,

			ARRAY_SIZE(omap3pandora_spi_board_info));

	omap3pandora_ads7846_init();

	pandora_keys_gpio_init();

	usb_musb_init();

}