Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0b398b69 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Kukjin Kim
Browse files

ARM: EXYNOS4: Add qt602240 touch screen device on Universal_C210 



This patch adds definitions to enable support for qt602240 touch screen
driver for Universal C210 board.

Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent b908af44

arch/arm/mach-exynos4/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -162,9 +162,11 @@ config MACH_UNIVERSAL_C210 
	select S3C_DEV_HSMMC2

	select S3C_DEV_HSMMC3

	select S3C_DEV_I2C1

	select S3C_DEV_I2C3

	select S3C_DEV_I2C5

	select S5P_DEV_ONENAND

	select EXYNOS4_SETUP_I2C1

	select EXYNOS4_SETUP_I2C3

	select EXYNOS4_SETUP_I2C5

	select EXYNOS4_SETUP_SDHCI

	help

arch/arm/mach-exynos4/mach-universal_c210.c

+47 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/mmc/host.h>

#include <linux/i2c-gpio.h>

#include <linux/i2c/mcs.h>

#include <linux/i2c/atmel_mxt_ts.h>



#include <asm/mach/arch.h>

#include <asm/mach-types.h>
@@ -29,6 +30,7 @@ 
#include <plat/cpu.h>

#include <plat/devs.h>

#include <plat/iic.h>

#include <plat/gpio-cfg.h>

#include <plat/sdhci.h>



#include <mach/map.h>
@@ -479,6 +481,46 @@ static struct i2c_board_info i2c5_devs[] __initdata = { 
	},

};



/* I2C3 (TSP) */

static struct mxt_platform_data qt602240_platform_data = {

	.x_line		= 19,

	.y_line		= 11,

	.x_size		= 800,

	.y_size		= 480,

	.blen		= 0x11,

	.threshold	= 0x28,

	.voltage	= 2800000,		/* 2.8V */

	.orient		= MXT_DIAGONAL,

};



static struct i2c_board_info i2c3_devs[] __initdata = {

	{

		I2C_BOARD_INFO("qt602240_ts", 0x4a),

		.platform_data = &qt602240_platform_data,

	},

};



static void __init universal_tsp_init(void)

{

	int gpio;



	/* TSP_LDO_ON: XMDMADDR_11 */

	gpio = EXYNOS4_GPE2(3);

	gpio_request(gpio, "TSP_LDO_ON");

	gpio_direction_output(gpio, 1);

	gpio_export(gpio, 0);



	/* TSP_INT: XMDMADDR_7 */

	gpio = EXYNOS4_GPE1(7);

	gpio_request(gpio, "TSP_INT");



	s5p_register_gpio_interrupt(gpio);

	s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf));

	s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);

	i2c3_devs[0].irq = gpio_to_irq(gpio);

}





/* GPIO I2C 12 (3 Touchkey) */

static uint32_t touchkey_keymap[] = {

	/* MCS_KEY_MAP(value, keycode) */
@@ -668,6 +710,7 @@ static struct platform_device *universal_devices[] __initdata = { 
	&s3c_device_hsmmc0,

	&s3c_device_hsmmc2,

	&s3c_device_hsmmc3,

	&s3c_device_i2c3,

	&s3c_device_i2c5,



	/* Universal Devices */
@@ -690,6 +733,10 @@ static void __init universal_machine_init(void) 
	i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));

	i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));



	universal_tsp_init();

	s3c_i2c3_set_platdata(NULL);

	i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs));



	s3c_i2c5_set_platdata(NULL);

	i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));