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ARM: pxa168/teton bga: added keypad support

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Support for Matrix keypad ESC, ENTER, LEFT, and RIGHT

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Mark F. Brown 2010-09-12 23:51:35 -04:00 committed by Eric Miao
parent 1bbd7089f2
commit d2ce697309
1 changed files with 24 additions and 0 deletions
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24
arch/arm/mach-mmp/teton_bga.c
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@ -16,6 +16,8 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <plat/pxa27x_keypad.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -30,6 +32,27 @@ static unsigned long teton_bga_pin_config[] __initdata = {
/* UART1 */
GPIO107_UART1_TXD,
GPIO108_UART1_RXD,
/* Keypad */
GPIO109_KP_MKIN1,
GPIO110_KP_MKIN0,
GPIO111_KP_MKOUT7,
GPIO112_KP_MKOUT6,
};
static unsigned int teton_bga_matrix_key_map[] = {
KEY(0, 6, KEY_ESC),
KEY(0, 7, KEY_ENTER),
KEY(1, 6, KEY_LEFT),
KEY(1, 7, KEY_RIGHT),
};
static struct pxa27x_keypad_platform_data teton_bga_keypad_info __initdata = {
.matrix_key_rows = 2,
.matrix_key_cols = 8,
.matrix_key_map = teton_bga_matrix_key_map,
.matrix_key_map_size = ARRAY_SIZE(teton_bga_matrix_key_map),
.debounce_interval = 30,
};
static void __init teton_bga_init(void)
@ -38,6 +61,7 @@ static void __init teton_bga_init(void)
/* on-chip devices */
pxa168_add_uart(1);
pxa168_add_keypad(&teton_bga_keypad_info);
}
MACHINE_START(TETON_BGA, "PXA168-based Teton BGA Development Platform")