Add support for keypad, GPIO keys and LEDs. Also enable hardware
debounce feature for GPIO keys.
Signed-off-by: Grazvydas Ignotas <notasas@xxxxxxxxx>
---
This patch was somehow left out, so Tony suggested posting it directly here.
arch/arm/mach-omap2/board-omap3pandora.c | 149 ++++++++++++++++++++++++++++++
1 files changed, 149 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 2ab2497..e32aa23 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -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();
}
--
1.5.6.3
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