ping...
On 25/05/2012, Sachin Kamat <sachin.kamat@xxxxxxxxxx> wrote:
> Pixcir touchscreen device support is added to SMDK4X12 boards.
>
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
> ---
> arch/arm/mach-exynos/mach-smdk4x12.c | 32
> +++++++++++++++++++++++++++++++-
> 1 files changed, 31 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/mach-smdk4x12.c
> b/arch/arm/mach-exynos/mach-smdk4x12.c
> index fe772d8..0af6088 100644
> --- a/arch/arm/mach-exynos/mach-smdk4x12.c
> +++ b/arch/arm/mach-exynos/mach-smdk4x12.c
> @@ -9,10 +9,12 @@
> * published by the Free Software Foundation.
> */
>
> +#include <linux/delay.h>
> #include <linux/gpio.h>
> #include <linux/i2c.h>
> #include <linux/input.h>
> #include <linux/io.h>
> +#include <linux/input/pixcir_ts.h>
> #include <linux/mfd/max8997.h>
> #include <linux/mmc/host.h>
> #include <linux/platform_device.h>
> @@ -203,8 +205,34 @@ static struct i2c_board_info smdk4x12_i2c_devs3[]
> __initdata = {
> /* nothing here yet */
> };
>
> +static void smdk4x12_ts_gpio_setup(void)
> +{
> + int gpio_reset = EXYNOS4_GPM3(4);
> +
> + gpio_request_one(gpio_reset, GPIOF_OUT_INIT_LOW, "TOUCH RESET");
> + mdelay(20);
> + gpio_direction_output(gpio_reset, 1);
> + mdelay(30);
> + s3c_gpio_setpull(EXYNOS4_GPX2(6), S3C_GPIO_PULL_NONE);
> +}
> +
> +static int smdk4x12_ts_get_value(void)
> +{
> + return gpio_get_value(EXYNOS4_GPX2(6));
> +}
> +
> +static struct pixcir_ts_platform_data smdk4x12_ts_data = {
> + .attb_read_val = smdk4x12_ts_get_value,
> + .x_max = 480,
> + .y_max = 800,
> +};
> +
> static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
> - /* nothing here yet */
> + {
> + I2C_BOARD_INFO("pixcir_ts", 0x5C),
> + .irq = IRQ_EINT(22),
> + .platform_data = &smdk4x12_ts_data,
> + }
> };
>
> static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
> @@ -293,6 +321,8 @@ static void __init smdk4x12_machine_init(void)
> s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
> s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
>
> + smdk4x12_ts_gpio_setup();
> +
> platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
> }
>
> --
> 1.7.4.1
>
>
--
With warm regards,
Sachin
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