[PATCH 03/09] ARM: s3c2440: gta02: Add button support
Kukjin Kim
kgene.kim at samsung.com
Mon Feb 28 01:37:54 EST 2011
Lars-Peter Clausen wrote:
>
> This patch adds support for the two buttons found on the gta02 device,
which
> are
> connectd to gpio pins, using the gpio-keys driver.
>
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
> ---
> arch/arm/mach-s3c2440/mach-gta02.c | 34
++++++++++++++++++++++++++++++++++
> 1 files changed, 34 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-s3c2440/mach-gta02.c
b/arch/arm/mach-s3c2440/mach-
> gta02.c
> index e83062b..6629998 100644
> --- a/arch/arm/mach-s3c2440/mach-gta02.c
> +++ b/arch/arm/mach-s3c2440/mach-gta02.c
> @@ -58,6 +58,9 @@
> #include <linux/mfd/pcf50633/pmic.h>
> #include <linux/mfd/pcf50633/backlight.h>
>
> +#include <linux/input.h>
> +#include <linux/gpio_keys.h>
> +
> #include <asm/mach/arch.h>
> #include <asm/mach/map.h>
> #include <asm/mach/irq.h>
> @@ -489,6 +492,36 @@ static struct s3c2410_hcd_info gta02_usb_info
__initdata
> = {
> },
> };
>
> +/* Buttons */
> +static struct gpio_keys_button gta02_buttons[] = {
> + {
> + .gpio = GTA02_GPIO_AUX_KEY,
> + .code = KEY_PHONE,
> + .desc = "Aux",
> + .type = EV_KEY,
> + .debounce_interval = 100,
> + },
> + {
> + .gpio = GTA02_GPIO_HOLD_KEY,
> + .code = KEY_PAUSE,
> + .desc = "Hold",
> + .type = EV_KEY,
> + .debounce_interval = 100,
> + },
> +};
> +
> +static struct gpio_keys_platform_data gta02_buttons_pdata = {
> + .buttons = gta02_buttons,
> + .nbuttons = ARRAY_SIZE(gta02_buttons),
> +};
> +
> +static struct platform_device gta02_buttons_device = {
> + .name = "gpio-keys",
> + .id = -1,
> + .dev = {
> + .platform_data = >a02_buttons_pdata,
> + },
> +};
>
> static void __init gta02_map_io(void)
> {
> @@ -511,6 +544,7 @@ static struct platform_device *gta02_devices[]
__initdata
> = {
> &s3c_device_iis,
> &samsung_asoc_dma,
> &s3c_device_i2c0,
> + >a02_buttons_device,
> };
>
> /* These guys DO need to be children of PMU. */
> --
Ok, will apply.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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