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Subject[PATCH v2 2/3] ARM: pxa168/teton bga: added keypad support
Date
Support for Matrix keypad ESC, ENTER, LEFT, and RIGHT

Signed-off-by: Mark F. Brown <mark.brown314@gmail.com>
---
arch/arm/mach-mmp/teton_bga.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c
index 49b746b..2966117 100644
--- a/arch/arm/mach-mmp/teton_bga.c
+++ b/arch/arm/mach-mmp/teton_bga.c
@@ -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")
--
1.7.0.4


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