#include <linux/irq.h>
#include <linux/module.h>
#include <linux/notifier.h>
+#include <linux/atmel_mxt224.h>
#include <asm/setup.h>
#include <asm/mpspec_def.h>
return &intr2nd_pdata;
}
+static int mxt_reset_gpio;
+
+static u8 mxt_valid_interrupt(void)
+{
+ return 1;
+}
+
+static void mxt_init_platform_hw(void)
+{
+ int err;
+
+ err = gpio_request(mxt_reset_gpio, "MaxTouch-reset");
+ if (err < 0)
+ printk(KERN_ERR "Failed to request GPIO%d (MaxTouch-reset) err=%d\n",
+ mxt_reset_gpio, err);
+
+ err = gpio_direction_output(mxt_reset_gpio, 0);
+ if (err)
+ printk(KERN_ERR "Failed to change direction, err=%d\n", err);
+
+ /* maXTouch wants 40mSec minimum after reset to get organized */
+ gpio_set_value(mxt_reset_gpio, 1);
+ msleep(40);
+}
+
+static void mxt_exit_platform_hw(void)
+{
+ printk(KERN_INFO "In %s.", __func__);
+ gpio_set_value(mxt_reset_gpio, 0);
+}
+
+static void *mxt_platform_data(void *info)
+{
+ struct i2c_board_info *i2c_info = (struct i2c_board_info *) info;
+ static struct mxt_platform_data mfld_mxt_platform_data;
+ int intr = 0;
+
+ printk(KERN_INFO "In %s.", __func__);
+
+ memset(&mfld_mxt_platform_data, 0x00,
+ sizeof(struct mxt_platform_data));
+ mfld_mxt_platform_data.numtouch = 10;
+ mfld_mxt_platform_data.init_platform_hw = &mxt_init_platform_hw;
+ mfld_mxt_platform_data.exit_platform_hw = &mxt_exit_platform_hw;
+ mfld_mxt_platform_data.max_x = 864;
+ mfld_mxt_platform_data.max_y = 480;
+ mfld_mxt_platform_data.orientation = MXT_MSGB_T9_ORIENT_HORZ_FLIP;
+ mfld_mxt_platform_data.valid_interrupt = &mxt_valid_interrupt;
+
+ intr = get_gpio_by_name("TS0-intr");
+ if (intr == -1) {
+ printk(KERN_ERR "Missing GPIO(s) for MXT.\n");
+ return NULL;
+ }
+
+ /* On nCDK EB2.0, Atmel max touch reset is on
+ GP_CORE_033 = 33 + 96 = 129 */
+ mxt_reset_gpio = 129; /* TODO: Use SFI, when SFI is available */
+
+ i2c_info->irq = intr + MRST_IRQ_OFFSET;
+ return &mfld_mxt_platform_data;
+}
+
+
/* MFLD iCDK touchscreen data */
#define CYTTSP_GPIO_PIN 0x3E
static int cyttsp_init(int on)
{"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
{"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
{"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data},
+ {"mXT224", SFI_DEV_TYPE_I2C, 1, &mxt_platform_data},
{"ektf2136_spi", SFI_DEV_TYPE_SPI, 0, &ektf2136_spi_platform_data},
{"msic_adc", SFI_DEV_TYPE_IPC, 1, &msic_adc_platform_data},
i2c_info.type,
i2c_info.irq,
i2c_info.addr);
+ if (!strcmp(i2c_info.type, "mxt224")){
+ printk(KERN_INFO "[%s:%d] Breaking mxt224 driver\n",__func__,__LINE__);
+ break;
+ }
sfi_handle_i2c_dev(bus, &i2c_info);
break;
case SFI_DEV_TYPE_UART:
dev_err(dev, "hsu: unknow hsu port\n");
}
}
-EXPORT_SYMBOL_GPL(mfld_hsu_disable_wakeup);
\ No newline at end of file
+