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Commit 2a90a69f authored by Daiane Angolini's avatar Daiane Angolini Committed by Sascha Hauer
Browse files

ARM: mach-mx5/mx53_ard: Add gpio_keys support 



Signed-off-by: default avatarDaiane Angolini <daiane.angolini@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent d23cb578

arch/arm/mach-mx5/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -216,6 +216,7 @@ config MACH_MX53_ARD 
	select IMX_HAVE_PLATFORM_IMX_I2C

	select IMX_HAVE_PLATFORM_IMX_UART

	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX

	select IMX_HAVE_PLATFORM_GPIO_KEYS

	help

	  Include support for MX53 ARD platform. This includes specific

	  configurations for the board and its peripherals.

arch/arm/mach-mx5/board-mx53_ard.c

+35 −0
Original line number Diff line number Diff line
@@ -39,6 +39,11 @@ 
#define ARD_SD1_CD		IMX_GPIO_NR(1, 1)

#define ARD_SD1_WP		IMX_GPIO_NR(1, 9)

#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[] = {

	/* UART1 */
@@ -91,6 +96,35 @@ static iomux_v3_cfg_t mx53_ard_pads[] = { 
	/* I2C3 */

	MX53_PAD_GPIO_3__I2C3_SCL,

	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[] = {
@@ -199,6 +233,7 @@ static void __init mx53_ard_board_init(void) 
	imx53_add_imx2_wdt(0, NULL);

	imx53_add_imx_i2c(1, &mx53_ard_i2c2_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)