diff options
| author | Xinyu Chen <b03824@freescale.com> | 2012-02-10 16:05:07 +0800 |
|---|---|---|
| committer | Xinyu Chen <b03824@freescale.com> | 2012-02-10 16:49:46 +0800 |
| commit | 8d8037bd64fa94fce2be6c45a76a21f821af0c57 (patch) | |
| tree | 83ae63ac990e4d6b0e8f138ec69a7483ebe434e1 /arch/arm/mach-mx6 | |
| parent | 26f1e346fbb99a8322079def2ceedd1b0a198553 (diff) | |
ENGR00170126 mx6q sabresd: add GPIO key device
Add volume up/down and power GPIO key button
Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
Diffstat (limited to 'arch/arm/mach-mx6')
| -rw-r--r-- | arch/arm/mach-mx6/board-mx6q_sabresd.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/arch/arm/mach-mx6/board-mx6q_sabresd.c b/arch/arm/mach-mx6/board-mx6q_sabresd.c index 1948600f0e13..0a28ff82a6d9 100644 --- a/arch/arm/mach-mx6/board-mx6q_sabresd.c +++ b/arch/arm/mach-mx6/board-mx6q_sabresd.c @@ -85,6 +85,9 @@ #define MX6Q_SABRESD_USB_HUB_RESET IMX_GPIO_NR(7, 12) #define MX6Q_SABRESD_CAN1_STBY IMX_GPIO_NR(1, 2) #define MX6Q_SABRESD_CAN1_EN IMX_GPIO_NR(1, 4) +#define MX6Q_SABRESD_VOLUME_UP IMX_GPIO_NR(1, 4) +#define MX6Q_SABRESD_VOLUME_DN IMX_GPIO_NR(1, 5) +#define MX6Q_SABRESD_POWER_OFF IMX_GPIO_NR(3, 29) #define MX6Q_SABRESD_PFUZE_INT IMX_GPIO_NR(7, 13) #define MX6Q_SABRESD_CSI0_RST IMX_GPIO_NR(1, 17) #define MX6Q_SABRESD_CSI0_PWN IMX_GPIO_NR(1, 16) @@ -119,7 +122,6 @@ static iomux_v3_cfg_t mx6q_sabresd_pads[] = { MX6Q_PAD_KEY_COL2__CAN1_TXCAN, MX6Q_PAD_GPIO_2__GPIO_1_2, /* STNDBY */ MX6Q_PAD_GPIO_7__GPIO_1_7, /* NERR */ - MX6Q_PAD_GPIO_4__GPIO_1_4, /* Enable */ /* CCM */ MX6Q_PAD_GPIO_0__CCM_CLKO, /* SGTL500 sys_mclk */ @@ -188,9 +190,10 @@ static iomux_v3_cfg_t mx6q_sabresd_pads[] = { MX6Q_PAD_EIM_DA14__GPIO_3_14, /* J12 - Boot Mode Select */ MX6Q_PAD_EIM_DA15__GPIO_3_15, /* J12 - Boot Mode Select */ - /* SW4 & SW5 */ + /* SW4 , SW5 & SW1 */ MX6Q_PAD_GPIO_4__GPIO_1_4, /* Volume Up */ MX6Q_PAD_GPIO_5__GPIO_1_5, /* Volume Down */ + MX6Q_PAD_EIM_D29__GPIO_3_29, /* power off */ /* eCompass int */ MX6Q_PAD_EIM_D16__GPIO_3_16, @@ -976,6 +979,45 @@ static int imx6q_init_audio(void) return 0; } +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#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 imx6q_buttons[] = { + GPIO_BUTTON(MX6Q_SABRESD_VOLUME_UP, KEY_VOLUMEUP, 1, "volume-up", 0), + GPIO_BUTTON(MX6Q_SABRESD_VOLUME_DN, KEY_VOLUMEDOWN, 1, "volume-down", 0), + GPIO_BUTTON(MX6Q_SABRESD_POWER_OFF, KEY_POWER, 1, "power", 1), +}; + +static struct gpio_keys_platform_data imx6q_button_data = { + .buttons = imx6q_buttons, + .nbuttons = ARRAY_SIZE(imx6q_buttons), +}; + +static struct platform_device imx6q_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &imx6q_button_data, + } +}; + +static void __init imx6q_add_device_buttons(void) +{ + platform_device_register(&imx6q_button_device); +} +#else +static void __init imx6q_add_device_buttons(void) {} +#endif + static struct platform_pwm_backlight_data mx6_sabresd_pwm_backlight_data = { .pwm_id = 0, .max_brightness = 255, @@ -1108,6 +1150,8 @@ static void __init mx6_sabresd_board_init(void) imx6q_add_dvfs_core(&sabresd_dvfscore_data); mx6_cpu_regulator_init(); + imx6q_add_device_buttons(); + /* enable sensor 3v3 and 1v8 */ gpio_request(MX6Q_SABRESD_SENSOR_EN, "sensor-en"); gpio_direction_output(MX6Q_SABRESD_SENSOR_EN, 1); |