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>

2 files changed, 57 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index 634844693cdb..862f239a0fdb 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -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
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index f1fe024144eb..1bae3f13f0a0 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -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,