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ARM: EXYNOS4: Add Atmel mXT touchscreen device to the NURI board

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This patch is to support Atmel mXT touchscreen device to the NURI board.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Joonyoung Shim 2011-03-23 15:25:14 +09:00 committed by Kukjin Kim
parent 3d73998558
commit 3260ecd859
2 changed files with 91 additions and 0 deletions
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2
arch/arm/mach-exynos4/Kconfig
View file

@ -169,8 +169,10 @@ config MACH_NURI
select S3C_DEV_HSMMC2
select S3C_DEV_HSMMC3
select S3C_DEV_I2C1
select S3C_DEV_I2C3
select S3C_DEV_I2C5
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_I2C3
select EXYNOS4_SETUP_I2C5
select EXYNOS4_SETUP_SDHCI
select SAMSUNG_DEV_PWM

89
arch/arm/mach-exynos4/mach-nuri.c
View file

@ -12,6 +12,7 @@
#include <linux/serial_core.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/i2c/atmel_mxt_ts.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
@ -30,6 +31,8 @@
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
#include <plat/gpio-cfg.h>
#include <plat/iic.h>
#include <mach/map.h>
@ -257,6 +260,88 @@ static struct i2c_board_info i2c1_devs[] __initdata = {
/* Gyro, To be updated */
};
/* TSP */
static u8 mxt_init_vals[] = {
/* MXT_GEN_COMMAND(6) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* MXT_GEN_POWER(7) */
0x20, 0xff, 0x32,
/* MXT_GEN_ACQUIRE(8) */
0x0a, 0x00, 0x05, 0x00, 0x00, 0x00, 0x09, 0x23,
/* MXT_TOUCH_MULTI(9) */
0x00, 0x00, 0x00, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x02, 0x00,
0x00, 0x01, 0x01, 0x0e, 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00,
/* MXT_TOUCH_KEYARRAY(15) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
0x00,
/* MXT_SPT_GPIOPWM(19) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* MXT_PROCI_GRIPFACE(20) */
0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x28, 0x04,
0x0f, 0x0a,
/* MXT_PROCG_NOISE(22) */
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x23, 0x00,
0x00, 0x05, 0x0f, 0x19, 0x23, 0x2d, 0x03,
/* MXT_TOUCH_PROXIMITY(23) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
/* MXT_PROCI_ONETOUCH(24) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* MXT_SPT_SELFTEST(25) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
/* MXT_PROCI_TWOTOUCH(27) */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* MXT_SPT_CTECONFIG(28) */
0x00, 0x00, 0x02, 0x08, 0x10, 0x00,
};
static struct mxt_platform_data mxt_platform_data = {
.config = mxt_init_vals,
.config_length = ARRAY_SIZE(mxt_init_vals),
.x_line = 18,
.y_line = 11,
.x_size = 1024,
.y_size = 600,
.blen = 0x1,
.threshold = 0x28,
.voltage = 2800000, /* 2.8V */
.orient = MXT_DIAGONAL_COUNTER,
.irqflags = IRQF_TRIGGER_FALLING,
};
static struct s3c2410_platform_i2c i2c3_data __initdata = {
.flags = 0,
.bus_num = 3,
.slave_addr = 0x10,
.frequency = 400 * 1000,
.sda_delay = 100,
};
static struct i2c_board_info i2c3_devs[] __initdata = {
{
I2C_BOARD_INFO("atmel_mxt_ts", 0x4a),
.platform_data = &mxt_platform_data,
.irq = IRQ_EINT(4),
},
};
static void __init nuri_tsp_init(void)
{
int gpio;
/* TOUCH_INT: XEINT_4 */
gpio = EXYNOS4_GPX0(4);
gpio_request(gpio, "TOUCH_INT");
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
}
/* GPIO I2C 5 (PMIC) */
static struct i2c_board_info i2c5_devs[] __initdata = {
/* max8997, To be updated */
@ -270,6 +355,7 @@ static struct platform_device *nuri_devices[] __initdata = {
&s3c_device_hsmmc3,
&s3c_device_wdt,
&s3c_device_timer[0],
&s3c_device_i2c3,
/* NURI Devices */
&nuri_gpio_keys,
@ -287,8 +373,11 @@ static void __init nuri_map_io(void)
static void __init nuri_machine_init(void)
{
nuri_sdhci_init();
nuri_tsp_init();
i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
s3c_i2c3_set_platdata(&i2c3_data);
i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs));
i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
/* Last */