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Commit 3dad5356 authored by Aaro Koskinen's avatar Aaro Koskinen Committed by Tony Lindgren
Browse files

ARM: OMAP3: rx51: enable tsc2005 touchscreen 



Enable TSC2005 touchscreen driver on the RX-51 board by providing the
needed platform data.

Signed-off-by: default avatarAaro Koskinen <aaro.koskinen@nokia.com>
Reviewed-by: default avatarSebastian Reichel <sre@debian.org>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent b2404f42

arch/arm/mach-omap2/board-rx51-peripherals.c

+44 −2
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/input/matrix_keypad.h>

#include <linux/spi/spi.h>

#include <linux/wl12xx.h>

#include <linux/spi/tsc2005.h>

#include <linux/i2c.h>

#include <linux/i2c/twl.h>

#include <linux/clk.h>
@@ -58,6 +59,9 @@ 


#define RX51_USB_TRANSCEIVER_RST_GPIO	67



#define RX51_TSC2005_RESET_GPIO         104

#define RX51_TSC2005_IRQ_GPIO           100



/* list all spi devices here */

enum {

	RX51_SPI_WL1251,
@@ -66,6 +70,7 @@ enum { 
};



static struct wl12xx_platform_data wl1251_pdata;

static struct tsc2005_platform_data tsc2005_pdata;



#if defined(CONFIG_SENSORS_TSL2563) || defined(CONFIG_SENSORS_TSL2563_MODULE)

static struct tsl2563_platform_data rx51_tsl2563_platform_data = {
@@ -167,10 +172,10 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = { 
		.modalias		= "tsc2005",

		.bus_num		= 1,

		.chip_select		= 0,

		/* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/

		.irq			= OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),

		.max_speed_hz		= 6000000,

		.controller_data	= &tsc2005_mcspi_config,

		/* .platform_data = &tsc2005_config,*/

		.platform_data		= &tsc2005_pdata,

	},

};
@@ -1086,6 +1091,42 @@ static void __init rx51_init_wl1251(void) 
	 */

}



static struct tsc2005_platform_data tsc2005_pdata = {

	.ts_pressure_max	= 2048,

	.ts_pressure_fudge	= 2,

	.ts_x_max		= 4096,

	.ts_x_fudge		= 4,

	.ts_y_max		= 4096,

	.ts_y_fudge		= 7,

	.ts_x_plate_ohm		= 280,

	.esd_timeout_ms		= 8000,

};



static void rx51_tsc2005_set_reset(bool enable)

{

	gpio_set_value(RX51_TSC2005_RESET_GPIO, enable);

}



static void __init rx51_init_tsc2005(void)

{

	int r;



	r = gpio_request_one(RX51_TSC2005_IRQ_GPIO, GPIOF_IN, "tsc2005 IRQ");

	if (r < 0) {

		printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 IRQ");

		rx51_peripherals_spi_board_info[RX51_SPI_TSC2005].irq = 0;

	}



	r = gpio_request_one(RX51_TSC2005_RESET_GPIO, GPIOF_OUT_INIT_HIGH,

		"tsc2005 reset");

	if (r >= 0) {

		tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;

	} else {

		printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 reset");

		tsc2005_pdata.esd_timeout_ms = 0;

	}

}



void __init rx51_peripherals_init(void)

{

	rx51_i2c_init();
@@ -1094,6 +1135,7 @@ void __init rx51_peripherals_init(void) 
	board_smc91x_init();

	rx51_add_gpio_keys();

	rx51_init_wl1251();

	rx51_init_tsc2005();

	rx51_init_si4713();

	spi_register_board_info(rx51_peripherals_spi_board_info,

				ARRAY_SIZE(rx51_peripherals_spi_board_info));