> -----Original Message-----
> From: Hiremath, Vaibhav
> Sent: Thursday, November 26, 2009 10:41 AM
> To: linux-omap@xxxxxxxxxxxxxxx
> Cc: tony@xxxxxxxxxxx; Hiremath, Vaibhav
> Subject: [PATCH V2] AM3517: Add support for TSC2004 driver
>
> From: Vaibhav Hiremath <hvaibhav@xxxxxx>
>
> Changes:
> - Removed omap_cfg_reg()
>
> Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>
> Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
> ---
> 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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