diff options
| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-01-05 15:01:39 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2011-02-03 16:10:01 +0100 |
| commit | b7a92c2108eaf0346708cace7fa1373cc5c4913b (patch) | |
| tree | ac718db58e19e5a70151555f4bec2a8175f3f8ea /arch | |
| parent | 0e8fd24bae1d803da81de485976f90deeceb341e (diff) | |
ENGR00137122 MX53_SMD: Add gpio keys, volume up/down.
SMD board have 3 gpio key defined:
volume up/down; power key;
but power key have a more complex irq, it needs a seperated driver.
Just add volume up/down key for SMD board.
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx5/mx53_smd.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/mx53_smd.c b/arch/arm/mach-mx5/mx53_smd.c index 0b4098bee6fd..b91fc14dee16 100644 --- a/arch/arm/mach-mx5/mx53_smd.c +++ b/arch/arm/mach-mx5/mx53_smd.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved. */ /* @@ -769,6 +769,45 @@ static struct i2c_board_info mxc_i2c1_board_info[] __initdata = { }; +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake, debounce) \ +{ \ + .gpio = gpio_num, \ + .type = EV_KEY, \ + .code = ev_code, \ + .active_low = act_low, \ + .desc = "btn " descr, \ + .wakeup = wake, \ + .debounce_interval = debounce, \ +} + +static struct gpio_keys_button smd_buttons[] = { + GPIO_BUTTON(MX53_SMD_KEY_VOL_UP, KEY_VOLUMEUP, 1, "volume-up", 0, 0), + GPIO_BUTTON(MX53_SMD_KEY_VOL_DOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0, 0), +}; + +static struct gpio_keys_platform_data smd_button_data = { + .buttons = smd_buttons, + .nbuttons = ARRAY_SIZE(smd_buttons), +}; + +static struct platform_device smd_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &smd_button_data, + } +}; + +static void __init smd_add_device_buttons(void) +{ + platform_device_register(&smd_button_device); +} +#else +static void __init smd_add_device_buttons(void) {} +#endif + static struct i2c_board_info mxc_i2c2_board_info[] __initdata = { { .type = "sii9022", @@ -1075,6 +1114,7 @@ static void __init mxc_board_init(void) mx5_usbh1_init(); mxc_register_device(&mxc_v4l2_device, NULL); mxc_register_device(&mxc_v4l2out_device, NULL); + smd_add_device_buttons(); } static void __init mx53_smd_timer_init(void) |