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Commit d2ce6973 authored by Mark F. Brown's avatar Mark F. Brown Committed by Eric Miao
Browse files

ARM: pxa168/teton bga: added keypad support 



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

Signed-off-by: default avatarMark F. Brown <mark.brown314@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 1bbd7089

arch/arm/mach-mmp/teton_bga.c

+24 −0
Original line number Diff line number Diff line
@@ -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")