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

at91sam9m10g45ek: add gpio keys support 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-04-07 05:14:59 +02:00 committed by Sascha Hauer
parent 675afd265b
commit d36918adbc
1 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
arch/arm/boards/at91sam9m10g45ek/init.c
View File

@ -41,6 +41,8 @@
#include <mach/io.h>
#include <mach/at91sam9_smc.h>
#include <mach/sam9_smc.h>
#include <gpio_keys.h>
#include <readkey.h>
/*
* board revision encoding
@ -164,6 +166,54 @@ static void ek_device_add_leds(void)
static void ek_device_add_leds(void) {}
#endif
#ifdef CONFIG_KEYBOARD_GPIO
struct gpio_keys_button keys[] = {
{
.code = KEY_HOME,
.gpio = AT91_PIN_PB6,
}, {
.code = KEY_RETURN,
.gpio = AT91_PIN_PB7,
}, {
.code = KEY_LEFT,
.gpio = AT91_PIN_PB14,
}, {
.code = KEY_RIGHT,
.gpio = AT91_PIN_PB15,
}, {
.code = KEY_UP,
.gpio = AT91_PIN_PB16,
}, {
.code = KEY_DOWN,
.gpio = AT91_PIN_PB17,
}, {
.code = KEY_RETURN,
.gpio = AT91_PIN_PB18,
},
};
struct gpio_keys_platform_data gk_pdata = {
.buttons = keys,
.nbuttons = ARRAY_SIZE(keys),
};
static void ek_device_add_keyboard(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_device_add_keyboard(void) {}
#endif
static int at91sam9m10g45ek_mem_init(void)
{
at91_add_device_sdram(128 * 1024 * 1024);
@ -178,6 +228,7 @@ static int at91sam9m10g45ek_devices_init(void)
at91_add_device_eth(0, &macb_pdata);
ek_add_device_mci();
ek_device_add_leds();
ek_device_add_keyboard();
devfs_add_partition("nand0", 0x00000, SZ_128K, PARTITION_FIXED, "at91bootstrap_raw");
dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");