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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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