On Tue, Jun 24, 2008 at 3:21 AM, Miguel Angel Aguilar Ulloa
<miguel.aguilar@xxxxxxxxxxxx> wrote:
> Add twl4030 keypad driver support to OMAP3 EVM
>
> Signed-off-by: Miguel Angel Aguilar <miguel.aguilar@xxxxxxxxxxxx>
>
> --- a/arch/arm/mach-omap2/board-omap3evm.c 2008-06-23
> 15:07:13.000000000 -0600
> +++ b/arch/arm/mach-omap2/board-omap3evm.c 2008-06-23
> 14:32:29.000000000 -0600
> @@ -19,6 +19,7 @@
> #include <linux/err.h>
> #include <linux/clk.h>
> #include <linux/io.h>
> +#include <linux/input.h>
> #include <linux/spi/spi.h>
> #include <linux/spi/ads7846.h>
>
> @@ -28,6 +29,7 @@
> #include <asm/mach/map.h>
>
> #include <asm/arch/gpio.h>
> +#include <asm/arch/keypad.h>
> #include <asm/arch/board.h>
> #include <asm/arch/hsmmc.h>
> #include <asm/arch/usb-musb.h>
> @@ -149,6 +151,56 @@ struct spi_board_info omap3evm_spi_board
> },
> };
>
> +static int omap3evm_keymap[] = {
> + KEY(0, 0, KEY_LEFT),
> + KEY(0, 1, KEY_RIGHT),
> + KEY(0, 2, KEY_A),
> + KEY(0, 3, KEY_B),
> + KEY(0, 4, KEY_C),
> + KEY(1, 0, KEY_DOWN),
> + KEY(1, 1, KEY_UP),
> + KEY(1, 2, KEY_E),
> + KEY(1, 3, KEY_F),
> + KEY(1, 4, KEY_G),
> + KEY(2, 0, KEY_ENTER),
> + KEY(2, 1, KEY_I),
> + KEY(2, 2, KEY_J),
> + KEY(2, 3, KEY_K),
> + KEY(2, 4, KEY_3),
> + KEY(3, 0, KEY_M),
> + KEY(3, 1, KEY_N),
> + KEY(3, 2, KEY_O),
> + KEY(3, 3, KEY_P),
> + KEY(3, 4, KEY_Q),
> + KEY(4, 0, KEY_R),
> + KEY(4, 1, KEY_4),
> + KEY(4, 2, KEY_T),
> + KEY(4, 3, KEY_U),
> + KEY(4, 4, KEY_D),
> + KEY(5, 0, KEY_V),
> + KEY(5, 1, KEY_W),
> + KEY(5, 2, KEY_L),
> + KEY(5, 3, KEY_S),
> + KEY(5, 4, KEY_H),
> + 0
> +};
> +
Omap3evm has only 15 keys right?(Some body correct me if I am wrong).
Then how the
mapping and dividing into rows and columns is done?
> +static struct omap_kp_platform_data omap3evm_kp_data = {
> + .rows = 4,
> + .cols = 4,
> + .keymap = omap3evm_keymap,
> + .keymapsize = ARRAY_SIZE(omap3evm_keymap),
> + .rep = 1,
> +};
> +
> +static struct platform_device omap3evm_kp_device = {
> + .name = "omap_twl4030keypad",
> + .id = -1,
> + .dev = {
> + .platform_data = &omap3evm_kp_data,
> + },
> +};
> +
> static void __init omap3_evm_init_irq(void)
> {
> omap2_init_common_hw();
> @@ -165,6 +217,7 @@ static struct omap_board_config_kernel o
>
> static struct platform_device *omap3_evm_devices[] __initdata = {
> &omap3_evm_lcd_device,
> + &omap3evm_kp_device,
> #ifdef CONFIG_RTC_DRV_TWL4030
> &omap3_evm_twl4030rtc_device,
> #endif
> --
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