sysmo-bts
/
barebox
9
0
Fork 0
Code Releases Activity

at91sam9261ek/9g10ek: add gpio Keyboard support 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-03-01 15:58:56 +08:00
parent 85f5d9645d
commit 65480192e6
3 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
arch/arm/boards/at91sam9261ek/init.c
View File

@ -39,6 +39,8 @@
#include <mach/at91sam9_smc.h>
#include <mach/sam9_smc.h>
#include <dm9000.h>
#include <gpio_keys.h>
#include <readkey.h>
#include <led.h>
static struct atmel_nand_data nand_pdata = {
@ -152,11 +154,48 @@ static void ek_add_device_udc(void)
static void ek_add_device_udc(void) {}
#endif
#ifdef CONFIG_KEYBOARD_GPIO
struct gpio_keys_button keys[] = {
{
.code = KEY_UP,
.gpio = AT91_PIN_PA26,
}, {
.code = KEY_DOWN,
.gpio = AT91_PIN_PA25,
}, {
.code = KEY_ENTER,
.gpio = AT91_PIN_PA24,
},
};
struct gpio_keys_platform_data gk_pdata = {
.buttons = keys,
.nbuttons = ARRAY_SIZE(keys),
};
static void ek_add_device_keyboard_buttons(void)
{
int i;
for (i = 0; i < gk_pdata.nbuttons; i++) {
/* user push button, pull up enabled */
keys[i].active_low = 1;
at91_set_GPIO_periph(keys[i].gpio, keys[i].active_low);
at91_set_deglitch(keys[i].gpio, 1);
}
add_gpio_keys_device(-1, &gk_pdata);
}
#else
static void ek_add_device_keyboard_buttons(void) {}
#endif
static void __init ek_add_device_buttons(void)
{
at91_set_gpio_input(AT91_PIN_PA27, 1);
at91_set_deglitch(AT91_PIN_PA27, 1);
export_env_ull("dfu_button", AT91_PIN_PA27);
ek_add_device_keyboard_buttons();
}
#ifdef CONFIG_LED_GPIO

1
arch/arm/configs/at91sam9261ek_defconfig
View File

@ -56,3 +56,4 @@ CONFIG_USB_GADGET_SERIAL=y
CONFIG_LED=y
CONFIG_LED_GPIO=y
CONFIG_LED_TRIGGERS=y
CONFIG_KEYBOARD_GPIO=y

1
arch/arm/configs/at91sam9g10ek_defconfig
View File

@ -49,3 +49,4 @@ CONFIG_USB_GADGET_SERIAL=y
CONFIG_LED=y
CONFIG_LED_GPIO=y
CONFIG_LED_TRIGGERS=y
CONFIG_KEYBOARD_GPIO=y