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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-10-04 11:38:12 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-10-21 00:54:58 +0200 |
| commit | b4a0dca771350b4eb0b262b5bbcf2aab5b47d1ea (patch) | |
| tree | c2ea55d766e0613fd35ecf6c6a60900ed75da4e8 /arch/arm/mach-s5pv210/mach-goni.c | |
| parent | ARM: S5PV210: Add si470x radio device to the GONI board (diff) | |
| download | linux-b4a0dca771350b4eb0b262b5bbcf2aab5b47d1ea.tar.xz linux-b4a0dca771350b4eb0b262b5bbcf2aab5b47d1ea.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-s5pv210/mach-goni.c | 54 |
1 files changed, 54 insertions, 0 deletions
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, |