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ARM: S5PV210: GONI: Add support for QT602240 TS driver 

Add required platform definitions for QT602240 touchscreen on I2C2 bus.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Marek Szyprowski 2010-10-04 18:38:12 +09:00 committed by Kukjin Kim
parent 528ef1b5f3
commit b4a0dca771
2 changed files with 57 additions and 0 deletions
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3
arch/arm/mach-s5pv210/Kconfig
View File

@ -74,6 +74,7 @@ config MACH_AQUILA
config MACH_GONI
bool "GONI"
select CPU_S5PV210
select S5P_GPIO_INT
select S3C_DEV_FB
select S5P_DEV_FIMC0
select S5P_DEV_FIMC1
@ -82,11 +83,13 @@ config MACH_GONI
select S3C_DEV_HSMMC1
select S3C_DEV_HSMMC2
select S3C_DEV_I2C1
select S3C_DEV_I2C2
select S3C_DEV_USB_HSOTG
select S5P_DEV_ONENAND
select SAMSUNG_DEV_KEYPAD
select S5PV210_SETUP_FB_24BPP
select S5PV210_SETUP_I2C1
select S5PV210_SETUP_I2C2
select S5PV210_SETUP_KEYPAD
select S5PV210_SETUP_SDHCI
help

54
arch/arm/mach-s5pv210/mach-goni.c
View File

@ -15,6 +15,7 @@
#include <linux/fb.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/i2c/qt602240_ts.h>
#include <linux/mfd/max8998.h>
#include <linux/regulator/fixed.h>
#include <linux/spi/spi.h>
@ -219,6 +220,51 @@ static void __init goni_radio_init(void)
gpio_direction_output(gpio, 1);
}
/* TSP */
static struct qt602240_platform_data qt602240_platform_data = {
.x_line = 17,
.y_line = 11,
.x_size = 800,
.y_size = 480,
.blen = 0x21,
.threshold = 0x28,
.voltage = 2800000, /* 2.8V */
.orient = QT602240_DIAGONAL,
};
static struct s3c2410_platform_i2c i2c2_data __initdata = {
.flags = 0,
.bus_num = 2,
.slave_addr = 0x10,
.frequency = 400 * 1000,
.sda_delay = 100,
};
static struct i2c_board_info i2c2_devs[] __initdata = {
{
I2C_BOARD_INFO("qt602240_ts", 0x4a),
.platform_data = &qt602240_platform_data,
},
};
static void __init goni_tsp_init(void)
{
int gpio;
gpio = S5PV210_GPJ1(3); /* XMSMADDR_11 */
gpio_request(gpio, "TSP_LDO_ON");
gpio_direction_output(gpio, 1);
gpio_export(gpio, 0);
gpio = S5PV210_GPJ0(5); /* XMSMADDR_5 */
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);
i2c2_devs[0].irq = gpio_to_irq(gpio);
}
/* MAX8998 regulators */
#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
@ -610,6 +656,7 @@ static struct platform_device *goni_devices[] __initdata = {
&s3c_device_usb_hsotg,
&samsung_device_keypad,
&s3c_device_i2c1,
&s3c_device_i2c2,
};
static void __init goni_map_io(void)
@ -628,6 +675,13 @@ static void __init goni_machine_init(void)
s3c_i2c1_set_platdata(NULL);
i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
/* TSP: call before I2C 2 registeration */
goni_tsp_init();
/* I2C2 */
s3c_i2c2_set_platdata(&i2c2_data);
i2c_register_board_info(2, i2c2_devs, ARRAY_SIZE(i2c2_devs));
/* PMIC */
goni_pmic_init();
i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,