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ARM: mx53_loco: Add GPIO Keypad support

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Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Frank Li 2011-03-15 17:04:10 +08:00 committed by Sascha Hauer
parent 76422dbf3c
commit 14fb20c9d2
2 changed files with 26 additions and 0 deletions
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1
arch/arm/mach-mx5/Kconfig
View File

@ -165,6 +165,7 @@ config MACH_MX53_LOCO
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 LOCO platform. This includes specific
configurations for the board and its peripherals.

25
arch/arm/mach-mx5/board-mx53_loco.c
View File

@ -36,6 +36,9 @@
#include "crm_regs.h"
#include "devices-imx53.h"
#define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
static iomux_v3_cfg_t mx53_loco_pads[] = {
@ -180,6 +183,27 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_GPIO_8__GPIO1_8,
};
#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 const struct gpio_keys_button loco_buttons[] __initconst = {
GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
};
static const struct gpio_keys_platform_data loco_button_data __initconst = {
.buttons = loco_buttons,
.nbuttons = ARRAY_SIZE(loco_buttons),
};
static inline void mx53_loco_fec_reset(void)
{
int ret;
@ -215,6 +239,7 @@ static void __init mx53_loco_board_init(void)
imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
imx53_add_sdhci_esdhc_imx(0, NULL);
imx53_add_sdhci_esdhc_imx(2, NULL);
imx_add_gpio_keys(&loco_button_data);
}
static void __init mx53_loco_timer_init(void)