> -----Original Message-----
> From: Hiremath, Vaibhav
> Sent: Thursday, November 26, 2009 10:41 AM
> To: [email protected]
> Cc: [email protected]; Hiremath, Vaibhav
> Subject: [PATCH V2] AM3517: Add support for TSC2004 driver
> 
> From: Vaibhav Hiremath <[email protected]>
> 
> Changes:
>       - Removed omap_cfg_reg()
> 
> Reviewed-by: Tony Lindgren <[email protected]>
> Signed-off-by: Vaibhav Hiremath <[email protected]>
> ---
>  arch/arm/mach-omap2/board-am3517evm.c |   61
> +++++++++++++++++++++++++++++++++
>  1 files changed, 61 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-
> omap2/board-am3517evm.c
> index 415a13d..b183d93 100644
> --- a/arch/arm/mach-omap2/board-am3517evm.c
> +++ b/arch/arm/mach-omap2/board-am3517evm.c
> @@ -20,6 +20,8 @@
>  #include <linux/init.h>
>  #include <linux/platform_device.h>
>  #include <linux/gpio.h>
> +#include <linux/irq.h>
> +#include <linux/i2c/tsc2004.h>
> 
>  #include <mach/hardware.h>
>  #include <asm/mach-types.h>
> @@ -27,10 +29,64 @@
>  #include <asm/mach/map.h>
> 
>  #include <plat/board.h>
> +#include <plat/mux.h>
>  #include <plat/common.h>
>  #include <plat/usb.h>
> 
>  /*
> + * TSC 2004 Support
> + */
> +#define      GPIO_TSC2004_IRQ        65
> +
> +static int tsc2004_init_irq(void)
> +{
> +     int ret = 0;
> +
> +     ret = gpio_request(GPIO_TSC2004_IRQ, "tsc2004-irq");
> +     if (ret < 0) {
> +             printk(KERN_WARNING "failed to request GPIO#%d: %d\n",
> +                             GPIO_TSC2004_IRQ, ret);
> +             return ret;
> +     }
> +
> +     if (gpio_direction_input(GPIO_TSC2004_IRQ)) {
> +             printk(KERN_WARNING "GPIO#%d cannot be configured as "
> +                             "input\n", GPIO_TSC2004_IRQ);
> +             return -ENXIO;
> +     }
> +
> +     omap_set_gpio_debounce(GPIO_TSC2004_IRQ, 1);
> +     omap_set_gpio_debounce_time(GPIO_TSC2004_IRQ, 0xa);
> +     return ret;
> +}
> +
> +static void tsc2004_exit_irq(void)
> +{
> +     gpio_free(GPIO_TSC2004_IRQ);
> +}
> +
> +static int tsc2004_get_irq_level(void)
> +{
> +     return gpio_get_value(GPIO_TSC2004_IRQ) ? 0 : 1;
> +}
> +
> +struct tsc2004_platform_data am3517evm_tsc2004data = {
> +     .model = 2004,
> +     .x_plate_ohms = 180,
> +     .get_pendown_state = tsc2004_get_irq_level,
> +     .init_platform_hw = tsc2004_init_irq,
> +     .exit_platform_hw = tsc2004_exit_irq,
> +};
> +
> +static struct i2c_board_info __initdata
> am3517evm_tsc_i2c_boardinfo[] = {
> +     {
> +             I2C_BOARD_INFO("tsc2004", 0x4B),
> +             .type           = "tsc2004",
> +             .platform_data  = &am3517evm_tsc2004data,
> +     },
> +};
> +
> +/*
>   * Board initialization
>   */
>  static struct omap_board_config_kernel am3517_evm_config[]
> __initdata = {
> @@ -67,6 +123,11 @@ static void __init am3517_evm_init(void)
> 
>       omap_serial_init();
>       usb_ehci_init(&ehci_pdata);
> +
> +     /* TSC 2004 */
> +     am3517evm_tsc_i2c_boardinfo[0].irq =
> gpio_to_irq(GPIO_TSC2004_IRQ);
> +     i2c_register_board_info(1, am3517evm_tsc_i2c_boardinfo,
> +                             ARRAY_SIZE(am3517evm_tsc_i2c_boardinfo));
>  }
> 
>  static void __init am3517_evm_map_io(void)
[Hiremath, Vaibhav] Hi Tony,

Since I haven't received any comments on driver code it should get merged. But 
I am not sure what the procedure is for input subsystem drivers? Is it happens 
through linux-omap or linux-input?

Thanks,
Vaibhav

> --
> 1.6.2.4

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