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ARM: mach-mx5/mx53_ard: Add gpio_keys support

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Signed-off-by: Daiane Angolini <daiane.angolini@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Daiane Angolini 2011-06-30 14:41:46 -03:00 committed by Sascha Hauer
parent d23cb578cc
commit 2a90a69f65
2 changed files with 36 additions and 0 deletions
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1
arch/arm/mach-mx5/Kconfig
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@ -216,6 +216,7 @@ config MACH_MX53_ARD
select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_GPIO_KEYS
help help
Include support for MX53 ARD platform. This includes specific Include support for MX53 ARD platform. This includes specific
configurations for the board and its peripherals. configurations for the board and its peripherals.

35
arch/arm/mach-mx5/board-mx53_ard.c
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@ -39,6 +39,11 @@
#define ARD_SD1_CD IMX_GPIO_NR(1, 1) #define ARD_SD1_CD IMX_GPIO_NR(1, 1)
#define ARD_SD1_WP IMX_GPIO_NR(1, 9) #define ARD_SD1_WP IMX_GPIO_NR(1, 9)
#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3) #define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3)
#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0)
#define ARD_HOME IMX_GPIO_NR(5, 10)
#define ARD_BACK IMX_GPIO_NR(5, 11)
#define ARD_PROG IMX_GPIO_NR(5, 12)
#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13)
static iomux_v3_cfg_t mx53_ard_pads[] = { static iomux_v3_cfg_t mx53_ard_pads[] = {
/* UART1 */ /* UART1 */
@ -91,6 +96,35 @@ static iomux_v3_cfg_t mx53_ard_pads[] = {
/* I2C3 */ /* I2C3 */
MX53_PAD_GPIO_3__I2C3_SCL, MX53_PAD_GPIO_3__I2C3_SCL,
MX53_PAD_GPIO_16__I2C3_SDA, MX53_PAD_GPIO_16__I2C3_SDA,
/* GPIO */
MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */
MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */
MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */
MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */
MX53_PAD_GPIO_10__GPIO4_0, /* vol down */
};
#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
{ \
.gpio = gpio_num, \
.type = EV_KEY, \
.code = ev_code, \
.active_low = act_low, \
.desc = "btn " descr, \
.wakeup = wake, \
}
static struct gpio_keys_button ard_buttons[] = {
GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0),
GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0),
GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0),
GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0),
GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0),
};
static const struct gpio_keys_platform_data ard_button_data __initconst = {
.buttons = ard_buttons,
.nbuttons = ARRAY_SIZE(ard_buttons),
}; };
static struct resource ard_smsc911x_resources[] = { static struct resource ard_smsc911x_resources[] = {
@ -199,6 +233,7 @@ static void __init mx53_ard_board_init(void)
imx53_add_imx2_wdt(0, NULL); imx53_add_imx2_wdt(0, NULL);
imx53_add_imx_i2c(1, &mx53_ard_i2c2_data); imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
imx53_add_imx_i2c(2, &mx53_ard_i2c3_data); imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
imx_add_gpio_keys(&ard_button_data);
} }
static void __init mx53_ard_timer_init(void) static void __init mx53_ard_timer_init(void)