Add required platform definitions for QT602240 touchscreen on I2C2 bus.
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
Hello,
This is just a resend of the previous version rebased onto the latest
kgene/for-next branch.
Best regards
--
Marek Szyprowski
Samsung Poland R&D Center
---
arch/arm/mach-s5pv210/Kconfig | 3 ++
arch/arm/mach-s5pv210/mach-goni.c | 54 +++++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index af2a813..0509fd5 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -73,6 +73,7 @@ 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
@@ -80,10 +81,12 @@ config MACH_GONI
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
select S3C_DEV_HSMMC2
+ 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_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 30ad59f..aa20875 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/gpio_keys.h>
@@ -135,6 +136,51 @@ static struct samsung_keypad_platdata keypad_data __initdata = {
.cols = 3,
};
+/* 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)
@@ -524,6 +570,7 @@ static struct platform_device *goni_devices[] __initdata = {
&s3c_device_hsmmc2,
&s3c_device_usb_hsotg,
&samsung_device_keypad,
+ &s3c_device_i2c2,
};
static void __init goni_map_io(void)
@@ -535,6 +582,13 @@ static void __init goni_map_io(void)
static void __init goni_machine_init(void)
{
+ /* 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,
--
1.7.1.569.g6f426
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