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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
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@ -165,6 +165,7 @@ config MACH_MX53_LOCO
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 LOCO platform. This includes specific Include support for MX53 LOCO platform. This includes specific
configurations for the board and its peripherals. 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 "crm_regs.h"
#include "devices-imx53.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) #define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
static iomux_v3_cfg_t mx53_loco_pads[] = { 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, 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) static inline void mx53_loco_fec_reset(void)
{ {
int ret; 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_imx_i2c(1, &mx53_loco_i2c_data);
imx53_add_sdhci_esdhc_imx(0, NULL); imx53_add_sdhci_esdhc_imx(0, NULL);
imx53_add_sdhci_esdhc_imx(2, NULL); imx53_add_sdhci_esdhc_imx(2, NULL);
imx_add_gpio_keys(&loco_button_data);
} }
static void __init mx53_loco_timer_init(void) static void __init mx53_loco_timer_init(void)