diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c
index 1c14a38e37483b5749139528b478c712dbb6693c..88ea5e1b72aedd023c0fdf817cbeee906fdda292 100644
--- a/drivers/input/touchscreen/tsc200x-core.c
+++ b/drivers/input/touchscreen/tsc200x-core.c
@@ -27,7 +27,6 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/of.h>
-#include <linux/spi/tsc2005.h>
#include <linux/regulator/consumer.h>
#include <linux/regmap.h>
#include <linux/gpio/consumer.h>
@@ -114,7 +113,6 @@ struct tsc200x {
struct regulator *vio;
struct gpio_desc *reset_gpio;
- void (*set_reset)(bool enable);
int (*tsc200x_cmd)(struct device *dev, u8 cmd);
int irq;
};
@@ -227,12 +225,13 @@ static void tsc200x_stop_scan(struct tsc200x *ts)
ts->tsc200x_cmd(ts->dev, TSC200X_CMD_STOP);
}
-static void tsc200x_set_reset(struct tsc200x *ts, bool enable)
+static void tsc200x_reset(struct tsc200x *ts)
{
- if (ts->reset_gpio)
- gpiod_set_value_cansleep(ts->reset_gpio, enable);
- else if (ts->set_reset)
- ts->set_reset(enable);
+ if (ts->reset_gpio) {
+ gpiod_set_value_cansleep(ts->reset_gpio, 1);
+ usleep_range(100, 500); /* only 10us required */
+ gpiod_set_value_cansleep(ts->reset_gpio, 0);
+ }
}
/* must be called with ts->mutex held */
@@ -253,7 +252,7 @@ static void __tsc200x_enable(struct tsc200x *ts)
{
tsc200x_start_scan(ts);
- if (ts->esd_timeout && (ts->set_reset || ts->reset_gpio)) {
+ if (ts->esd_timeout && ts->reset_gpio) {
ts->last_valid_interrupt = jiffies;
schedule_delayed_work(&ts->esd_work,
round_jiffies_relative(
@@ -310,9 +309,7 @@ static ssize_t tsc200x_selftest_show(struct device *dev,
}
/* hardware reset */
- tsc200x_set_reset(ts, false);
- usleep_range(100, 500); /* only 10us required */
- tsc200x_set_reset(ts, true);
+ tsc200x_reset(ts);
if (!success)
goto out;
@@ -354,7 +351,7 @@ static umode_t tsc200x_attr_is_visible(struct kobject *kobj,
umode_t mode = attr->mode;
if (attr == &dev_attr_selftest.attr) {
- if (!ts->set_reset && !ts->reset_gpio)
+ if (!ts->reset_gpio)
mode = 0;
}
@@ -404,9 +401,7 @@ static void tsc200x_esd_work(struct work_struct *work)
tsc200x_update_pen_state(ts, 0, 0, 0);
- tsc200x_set_reset(ts, false);
- usleep_range(100, 500); /* only 10us required */
- tsc200x_set_reset(ts, true);
+ tsc200x_reset(ts);
enable_irq(ts->irq);
tsc200x_start_scan(ts);
@@ -454,26 +449,12 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
struct regmap *regmap,
int (*tsc200x_cmd)(struct device *dev, u8 cmd))
{
- const struct tsc2005_platform_data *pdata = dev_get_platdata(dev);
- struct device_node *np = dev->of_node;
-
struct tsc200x *ts;
struct input_dev *input_dev;
- unsigned int max_x = MAX_12BIT;
- unsigned int max_y = MAX_12BIT;
- unsigned int max_p = MAX_12BIT;
- unsigned int fudge_x = TSC200X_DEF_X_FUZZ;
- unsigned int fudge_y = TSC200X_DEF_Y_FUZZ;
- unsigned int fudge_p = TSC200X_DEF_P_FUZZ;
- unsigned int x_plate_ohm = TSC200X_DEF_RESISTOR;
- unsigned int esd_timeout;
+ u32 x_plate_ohm;
+ u32 esd_timeout;
int error;
- if (!np && !pdata) {
- dev_err(dev, "no platform data\n");
- return -ENODEV;
- }
-
if (irq <= 0) {
dev_err(dev, "no irq\n");
return -ENODEV;
@@ -487,23 +468,6 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
return -ENODEV;
}
- if (pdata) {
- fudge_x = pdata->ts_x_fudge;
- fudge_y = pdata->ts_y_fudge;
- fudge_p = pdata->ts_pressure_fudge;
- max_x = pdata->ts_x_max;
- max_y = pdata->ts_y_max;
- max_p = pdata->ts_pressure_max;
- x_plate_ohm = pdata->ts_x_plate_ohm;
- esd_timeout = pdata->esd_timeout_ms;
- } else {
- x_plate_ohm = TSC200X_DEF_RESISTOR;
- of_property_read_u32(np, "ti,x-plate-ohms", &x_plate_ohm);
- esd_timeout = 0;
- of_property_read_u32(np, "ti,esd-recovery-timeout-ms",
- &esd_timeout);
- }
-
ts = devm_kzalloc(dev, sizeof(*ts), GFP_KERNEL);
if (!ts)
return -ENOMEM;
@@ -517,8 +481,13 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
ts->idev = input_dev;
ts->regmap = regmap;
ts->tsc200x_cmd = tsc200x_cmd;
- ts->x_plate_ohm = x_plate_ohm;
- ts->esd_timeout = esd_timeout;
+
+ error = device_property_read_u32(dev, "ti,x-plate-ohms", &x_plate_ohm);
+ ts->x_plate_ohm = error ? TSC200X_DEF_RESISTOR : x_plate_ohm;
+
+ error = device_property_read_u32(dev, "ti,esd-recovery-timeout-ms",
+ &esd_timeout);
+ ts->esd_timeout = error ? 0 : esd_timeout;
ts->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(ts->reset_gpio)) {
@@ -534,9 +503,6 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
return error;
}
- if (!ts->reset_gpio && pdata)
- ts->set_reset = pdata->set_reset;
-
mutex_init(&ts->mutex);
spin_lock_init(&ts->lock);
@@ -559,22 +525,23 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
input_dev->phys = ts->phys;
input_dev->id = *tsc_id;
- input_dev->dev.parent = dev;
- input_dev->evbit[0] = BIT(EV_ABS) | BIT(EV_KEY);
- input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
-
- input_set_abs_params(input_dev, ABS_X, 0, max_x, fudge_x, 0);
- input_set_abs_params(input_dev, ABS_Y, 0, max_y, fudge_y, 0);
- input_set_abs_params(input_dev, ABS_PRESSURE, 0, max_p, fudge_p, 0);
-
- if (np)
- touchscreen_parse_properties(input_dev, false, NULL);
input_dev->open = tsc200x_open;
input_dev->close = tsc200x_close;
input_set_drvdata(input_dev, ts);
+ input_set_capability(input_dev, EV_KEY, BTN_TOUCH);
+
+ input_set_abs_params(input_dev, ABS_X,
+ 0, MAX_12BIT, TSC200X_DEF_X_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_Y,
+ 0, MAX_12BIT, TSC200X_DEF_Y_FUZZ, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE,
+ 0, MAX_12BIT, TSC200X_DEF_P_FUZZ, 0);
+
+ touchscreen_parse_properties(input_dev, false, NULL);
+
/* Ensure the touchscreen is off */
tsc200x_stop_scan(ts);
diff --git a/include/linux/spi/tsc2005.h b/include/linux/spi/tsc2005.h
deleted file mode 100644
index 563b3b1799a86cca2c09501028fbad990809b104..0000000000000000000000000000000000000000
--- a/include/linux/spi/tsc2005.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * This file is part of TSC2005 touchscreen driver
- *
- * Copyright (C) 2009-2010 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#ifndef _LINUX_SPI_TSC2005_H
-#define _LINUX_SPI_TSC2005_H
-
-#include <linux/types.h>
-
-struct tsc2005_platform_data {
- int ts_pressure_max;
- int ts_pressure_fudge;
- int ts_x_max;
- int ts_x_fudge;
- int ts_y_max;
- int ts_y_fudge;
- int ts_x_plate_ohm;
- unsigned int esd_timeout_ms;
- void (*set_reset)(bool enable);
-};
-
-#endif