From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/input/touchscreen/edt-ft5x06.c | 360 +++++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 286 insertions(+), 74 deletions(-)
diff --git a/kernel/drivers/input/touchscreen/edt-ft5x06.c b/kernel/drivers/input/touchscreen/edt-ft5x06.c
index 3fdaa64..6ff81d4 100644
--- a/kernel/drivers/input/touchscreen/edt-ft5x06.c
+++ b/kernel/drivers/input/touchscreen/edt-ft5x06.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2012 Simon Budig, <simon.budig@kernelconcepts.de>
* Daniel Wagener <daniel.wagener@kernelconcepts.de> (M09 firmware support)
* Lothar Waßmann <LW@KARO-electronics.de> (DT support)
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
@@ -25,20 +13,23 @@
* http://www.glyn.com/Products/Displays
*/
-#include <linux/module.h>
-#include <linux/ratelimit.h>
-#include <linux/irq.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/uaccess.h>
-#include <linux/delay.h>
-#include <linux/debugfs.h>
-#include <linux/slab.h>
-#include <linux/gpio/consumer.h>
#include <linux/input/mt.h>
#include <linux/input/touchscreen.h>
-#include <linux/of_device.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/ratelimit.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include <asm/unaligned.h>
#define WORK_REGISTER_THRESHOLD 0x00
#define WORK_REGISTER_REPORT_RATE 0x08
@@ -47,16 +38,25 @@
#define WORK_REGISTER_NUM_X 0x33
#define WORK_REGISTER_NUM_Y 0x34
+#define PMOD_REGISTER_ACTIVE 0x00
+#define PMOD_REGISTER_HIBERNATE 0x03
+
#define M09_REGISTER_THRESHOLD 0x80
#define M09_REGISTER_GAIN 0x92
#define M09_REGISTER_OFFSET 0x93
#define M09_REGISTER_NUM_X 0x94
#define M09_REGISTER_NUM_Y 0x95
+#define EV_REGISTER_THRESHOLD 0x40
+#define EV_REGISTER_GAIN 0x41
+#define EV_REGISTER_OFFSET_Y 0x45
+#define EV_REGISTER_OFFSET_X 0x46
+
#define NO_REGISTER 0xff
#define WORK_REGISTER_OPMODE 0x3c
#define FACTORY_REGISTER_OPMODE 0x01
+#define PMOD_REGISTER_OPMODE 0xa5
#define TOUCH_EVENT_DOWN 0x00
#define TOUCH_EVENT_UP 0x01
@@ -69,10 +69,17 @@
#define EDT_RAW_DATA_RETRIES 100
#define EDT_RAW_DATA_DELAY 1000 /* usec */
+enum edt_pmode {
+ EDT_PMODE_NOT_SUPPORTED,
+ EDT_PMODE_HIBERNATE,
+ EDT_PMODE_POWEROFF,
+};
+
enum edt_ver {
EDT_M06,
EDT_M09,
EDT_M12,
+ EV_FT,
GENERIC_FT,
};
@@ -81,6 +88,8 @@
int reg_report_rate;
int reg_gain;
int reg_offset;
+ int reg_offset_x;
+ int reg_offset_y;
int reg_num_x;
int reg_num_y;
};
@@ -91,6 +100,7 @@
struct touchscreen_properties prop;
u16 num_x;
u16 num_y;
+ struct regulator *vcc;
struct gpio_desc *reset_gpio;
struct gpio_desc *wake_gpio;
@@ -103,9 +113,12 @@
struct mutex mutex;
bool factory_mode;
+ enum edt_pmode suspend_mode;
int threshold;
int gain;
int offset;
+ int offset_x;
+ int offset_y;
int report_rate;
int max_support_points;
@@ -190,6 +203,7 @@
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
cmd = 0x0;
offset = 3;
@@ -229,7 +243,6 @@
for (i = 0; i < tsdata->max_support_points; i++) {
u8 *buf = &rdbuf[i * tplen + offset];
- bool down;
type = buf[0] >> 6;
/* ignore Reserved events */
@@ -240,19 +253,19 @@
if (tsdata->version == EDT_M06 && type == TOUCH_EVENT_DOWN)
continue;
- x = ((buf[0] << 8) | buf[1]) & 0x0fff;
- y = ((buf[2] << 8) | buf[3]) & 0x0fff;
+ x = get_unaligned_be16(buf) & 0x0fff;
+ y = get_unaligned_be16(buf + 2) & 0x0fff;
+ /* The FT5x26 send the y coordinate first */
+ if (tsdata->version == EV_FT)
+ swap(x, y);
+
id = (buf[2] >> 4) & 0x0f;
- down = type != TOUCH_EVENT_UP;
input_mt_slot(tsdata->input, id);
- input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER, down);
-
- if (!down)
- continue;
-
- touchscreen_report_pos(tsdata->input, &tsdata->prop, x, y,
- true);
+ if (input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER,
+ type != TOUCH_EVENT_UP))
+ touchscreen_report_pos(tsdata->input, &tsdata->prop,
+ x, y, true);
}
input_mt_report_pointer_emulation(tsdata->input, true);
@@ -275,8 +288,10 @@
wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2];
return edt_ft5x06_ts_readwrite(tsdata->client, 4,
wrbuf, 0, NULL);
+
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
wrbuf[1] = value;
@@ -317,6 +332,7 @@
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
error = edt_ft5x06_ts_readwrite(tsdata->client, 1,
@@ -339,9 +355,10 @@
u8 limit_high;
u8 addr_m06;
u8 addr_m09;
+ u8 addr_ev;
};
-#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, \
+#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09, _addr_ev, \
_limit_low, _limit_high) \
struct edt_ft5x06_attribute edt_ft5x06_attr_##_field = { \
.dattr = __ATTR(_field, _mode, \
@@ -350,6 +367,7 @@
.field_offset = offsetof(struct edt_ft5x06_ts_data, _field), \
.addr_m06 = _addr_m06, \
.addr_m09 = _addr_m09, \
+ .addr_ev = _addr_ev, \
.limit_low = _limit_low, \
.limit_high = _limit_high, \
}
@@ -384,6 +402,10 @@
case EDT_M12:
case GENERIC_FT:
addr = attr->addr_m09;
+ break;
+
+ case EV_FT:
+ addr = attr->addr_ev;
break;
default:
@@ -457,6 +479,10 @@
addr = attr->addr_m09;
break;
+ case EV_FT:
+ addr = attr->addr_ev;
+ break;
+
default:
error = -ENODEV;
goto out;
@@ -480,20 +506,28 @@
/* m06, m09: range 0-31, m12: range 0-5 */
static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN,
- M09_REGISTER_GAIN, 0, 31);
+ M09_REGISTER_GAIN, EV_REGISTER_GAIN, 0, 31);
/* m06, m09: range 0-31, m12: range 0-16 */
static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET,
- M09_REGISTER_OFFSET, 0, 31);
+ M09_REGISTER_OFFSET, NO_REGISTER, 0, 31);
+/* m06, m09, m12: no supported, ev_ft: range 0-80 */
+static EDT_ATTR(offset_x, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER,
+ EV_REGISTER_OFFSET_X, 0, 80);
+/* m06, m09, m12: no supported, ev_ft: range 0-80 */
+static EDT_ATTR(offset_y, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER,
+ EV_REGISTER_OFFSET_Y, 0, 80);
/* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */
static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD,
- M09_REGISTER_THRESHOLD, 0, 255);
+ M09_REGISTER_THRESHOLD, EV_REGISTER_THRESHOLD, 0, 255);
/* m06: range 3 to 14, m12: (0x64: 100Hz) */
static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE,
- NO_REGISTER, 0, 255);
+ NO_REGISTER, NO_REGISTER, 0, 255);
static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_gain.dattr.attr,
&edt_ft5x06_attr_offset.dattr.attr,
+ &edt_ft5x06_attr_offset_x.dattr.attr,
+ &edt_ft5x06_attr_offset_y.dattr.attr,
&edt_ft5x06_attr_threshold.dattr.attr,
&edt_ft5x06_attr_report_rate.dattr.attr,
NULL
@@ -502,6 +536,29 @@
static const struct attribute_group edt_ft5x06_attr_group = {
.attrs = edt_ft5x06_attrs,
};
+
+static void edt_ft5x06_restore_reg_parameters(struct edt_ft5x06_ts_data *tsdata)
+{
+ struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
+
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold,
+ tsdata->threshold);
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_gain,
+ tsdata->gain);
+ if (reg_addr->reg_offset != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,
+ tsdata->offset);
+ if (reg_addr->reg_offset_x != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x,
+ tsdata->offset_x);
+ if (reg_addr->reg_offset_y != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y,
+ tsdata->offset_y);
+ if (reg_addr->reg_report_rate != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate,
+ tsdata->report_rate);
+
+}
#ifdef CONFIG_DEBUG_FS
static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)
@@ -568,7 +625,6 @@
{
struct i2c_client *client = tsdata->client;
int retries = EDT_SWITCH_MODE_RETRIES;
- struct edt_reg_addr *reg_addr = &tsdata->reg_addr;
int ret;
int error;
@@ -600,17 +656,7 @@
kfree(tsdata->raw_buffer);
tsdata->raw_buffer = NULL;
- /* restore parameters */
- edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold,
- tsdata->threshold);
- edt_ft5x06_register_write(tsdata, reg_addr->reg_gain,
- tsdata->gain);
- edt_ft5x06_register_write(tsdata, reg_addr->reg_offset,
- tsdata->offset);
- if (reg_addr->reg_report_rate != NO_REGISTER)
- edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate,
- tsdata->report_rate);
-
+ edt_ft5x06_restore_reg_parameters(tsdata);
enable_irq(client->irq);
return 0;
@@ -731,13 +777,10 @@
.read = edt_ft5x06_debugfs_raw_data_read,
};
-static void
-edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
+ const char *debugfs_name)
{
tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL);
- if (!tsdata->debug_dir)
- return;
debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x);
debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y);
@@ -748,8 +791,7 @@
tsdata->debug_dir, tsdata, &debugfs_raw_data_fops);
}
-static void
-edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
+static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
debugfs_remove_recursive(tsdata->debug_dir);
kfree(tsdata->raw_buffer);
@@ -757,14 +799,17 @@
#else
-static inline void
-edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
- const char *debugfs_name)
+static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata)
+{
+ return -ENOSYS;
+}
+
+static void edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata,
+ const char *debugfs_name)
{
}
-static inline void
-edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
+static void edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
{
}
@@ -867,6 +912,16 @@
case 0x5a: /* Solomon Goldentek Display */
snprintf(model_name, EDT_NAME_LEN, "GKTW50SCED1R0");
break;
+ case 0x59: /* Evervision Display with FT5xx6 TS */
+ tsdata->version = EV_FT;
+ error = edt_ft5x06_ts_readwrite(client, 1, "\x53",
+ 1, rdbuf);
+ if (error)
+ return error;
+ strlcpy(fw_version, rdbuf, 1);
+ snprintf(model_name, EDT_NAME_LEN,
+ "EVERVISION-FT5726NEi");
+ break;
default:
snprintf(model_name, EDT_NAME_LEN,
"generic ft5x06 (%02x)",
@@ -899,8 +954,26 @@
error = device_property_read_u32(dev, "offset", &val);
if (!error) {
- edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, val);
+ if (reg_addr->reg_offset != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata,
+ reg_addr->reg_offset, val);
tsdata->offset = val;
+ }
+
+ error = device_property_read_u32(dev, "offset-x", &val);
+ if (!error) {
+ if (reg_addr->reg_offset_x != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata,
+ reg_addr->reg_offset_x, val);
+ tsdata->offset_x = val;
+ }
+
+ error = device_property_read_u32(dev, "offset-y", &val);
+ if (!error) {
+ if (reg_addr->reg_offset_y != NO_REGISTER)
+ edt_ft5x06_register_write(tsdata,
+ reg_addr->reg_offset_y, val);
+ tsdata->offset_y = val;
}
}
@@ -912,7 +985,15 @@
tsdata->threshold = edt_ft5x06_register_read(tsdata,
reg_addr->reg_threshold);
tsdata->gain = edt_ft5x06_register_read(tsdata, reg_addr->reg_gain);
- tsdata->offset = edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);
+ if (reg_addr->reg_offset != NO_REGISTER)
+ tsdata->offset =
+ edt_ft5x06_register_read(tsdata, reg_addr->reg_offset);
+ if (reg_addr->reg_offset_x != NO_REGISTER)
+ tsdata->offset_x = edt_ft5x06_register_read(tsdata,
+ reg_addr->reg_offset_x);
+ if (reg_addr->reg_offset_y != NO_REGISTER)
+ tsdata->offset_y = edt_ft5x06_register_read(tsdata,
+ reg_addr->reg_offset_y);
if (reg_addr->reg_report_rate != NO_REGISTER)
tsdata->report_rate = edt_ft5x06_register_read(tsdata,
reg_addr->reg_report_rate);
@@ -940,6 +1021,8 @@
reg_addr->reg_report_rate = WORK_REGISTER_REPORT_RATE;
reg_addr->reg_gain = WORK_REGISTER_GAIN;
reg_addr->reg_offset = WORK_REGISTER_OFFSET;
+ reg_addr->reg_offset_x = NO_REGISTER;
+ reg_addr->reg_offset_y = NO_REGISTER;
reg_addr->reg_num_x = WORK_REGISTER_NUM_X;
reg_addr->reg_num_y = WORK_REGISTER_NUM_Y;
break;
@@ -950,8 +1033,21 @@
reg_addr->reg_report_rate = NO_REGISTER;
reg_addr->reg_gain = M09_REGISTER_GAIN;
reg_addr->reg_offset = M09_REGISTER_OFFSET;
+ reg_addr->reg_offset_x = NO_REGISTER;
+ reg_addr->reg_offset_y = NO_REGISTER;
reg_addr->reg_num_x = M09_REGISTER_NUM_X;
reg_addr->reg_num_y = M09_REGISTER_NUM_Y;
+ break;
+
+ case EV_FT:
+ reg_addr->reg_threshold = EV_REGISTER_THRESHOLD;
+ reg_addr->reg_gain = EV_REGISTER_GAIN;
+ reg_addr->reg_offset = NO_REGISTER;
+ reg_addr->reg_offset_x = EV_REGISTER_OFFSET_X;
+ reg_addr->reg_offset_y = EV_REGISTER_OFFSET_Y;
+ reg_addr->reg_num_x = NO_REGISTER;
+ reg_addr->reg_num_y = NO_REGISTER;
+ reg_addr->reg_report_rate = NO_REGISTER;
break;
case GENERIC_FT:
@@ -959,8 +1055,17 @@
reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
reg_addr->reg_gain = M09_REGISTER_GAIN;
reg_addr->reg_offset = M09_REGISTER_OFFSET;
+ reg_addr->reg_offset_x = NO_REGISTER;
+ reg_addr->reg_offset_y = NO_REGISTER;
break;
}
+}
+
+static void edt_ft5x06_disable_regulator(void *arg)
+{
+ struct edt_ft5x06_ts_data *data = arg;
+
+ regulator_disable(data->vcc);
}
static int edt_ft5x06_ts_probe(struct i2c_client *client,
@@ -982,7 +1087,7 @@
return -ENOMEM;
}
- chip_data = of_device_get_match_data(&client->dev);
+ chip_data = device_get_match_data(&client->dev);
if (!chip_data)
chip_data = (const struct edt_i2c_chip_data *)id->driver_data;
if (!chip_data || !chip_data->max_support_points) {
@@ -991,6 +1096,27 @@
}
tsdata->max_support_points = chip_data->max_support_points;
+
+ tsdata->vcc = devm_regulator_get(&client->dev, "vcc");
+ if (IS_ERR(tsdata->vcc)) {
+ error = PTR_ERR(tsdata->vcc);
+ if (error != -EPROBE_DEFER)
+ dev_err(&client->dev,
+ "failed to request regulator: %d\n", error);
+ return error;
+ }
+
+ error = regulator_enable(tsdata->vcc);
+ if (error < 0) {
+ dev_err(&client->dev, "failed to enable vcc: %d\n", error);
+ return error;
+ }
+
+ error = devm_add_action_or_reset(&client->dev,
+ edt_ft5x06_disable_regulator,
+ tsdata);
+ if (error)
+ return error;
tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev,
"reset", GPIOD_OUT_HIGH);
@@ -1009,6 +1135,19 @@
"Failed to request GPIO wake pin, error %d\n", error);
return error;
}
+
+ /*
+ * Check which sleep modes we can support. Power-off requieres the
+ * reset-pin to ensure correct power-down/power-up behaviour. Start with
+ * the EDT_PMODE_POWEROFF test since this is the deepest possible sleep
+ * mode.
+ */
+ if (tsdata->reset_gpio)
+ tsdata->suspend_mode = EDT_PMODE_POWEROFF;
+ else if (tsdata->wake_gpio)
+ tsdata->suspend_mode = EDT_PMODE_HIBERNATE;
+ else
+ tsdata->suspend_mode = EDT_PMODE_NOT_SUPPORTED;
if (tsdata->wake_gpio) {
usleep_range(5000, 6000);
@@ -1104,7 +1243,6 @@
return error;
edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev));
- device_init_wakeup(&client->dev, 1);
dev_dbg(&client->dev,
"EDT FT5x06 initialized: IRQ %d, WAKE pin %d, Reset pin %d.\n",
@@ -1127,9 +1265,39 @@
static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
+ struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
+ struct gpio_desc *reset_gpio = tsdata->reset_gpio;
+ int ret;
if (device_may_wakeup(dev))
- enable_irq_wake(client->irq);
+ return 0;
+
+ if (tsdata->suspend_mode == EDT_PMODE_NOT_SUPPORTED)
+ return 0;
+
+ /* Enter hibernate mode. */
+ ret = edt_ft5x06_register_write(tsdata, PMOD_REGISTER_OPMODE,
+ PMOD_REGISTER_HIBERNATE);
+ if (ret)
+ dev_warn(dev, "Failed to set hibernate mode\n");
+
+ if (tsdata->suspend_mode == EDT_PMODE_HIBERNATE)
+ return 0;
+
+ /*
+ * Power-off according the datasheet. Cut the power may leaf the irq
+ * line in an undefined state depending on the host pull resistor
+ * settings. Disable the irq to avoid adjusting each host till the
+ * device is back in a full functional state.
+ */
+ disable_irq(tsdata->client->irq);
+
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ usleep_range(1000, 2000);
+
+ ret = regulator_disable(tsdata->vcc);
+ if (ret)
+ dev_warn(dev, "Failed to disable vcc\n");
return 0;
}
@@ -1137,11 +1305,54 @@
static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
+ struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client);
+ int ret = 0;
if (device_may_wakeup(dev))
- disable_irq_wake(client->irq);
+ return 0;
- return 0;
+ if (tsdata->suspend_mode == EDT_PMODE_NOT_SUPPORTED)
+ return 0;
+
+ if (tsdata->suspend_mode == EDT_PMODE_POWEROFF) {
+ struct gpio_desc *reset_gpio = tsdata->reset_gpio;
+
+ /*
+ * We can't check if the regulator is a dummy or a real
+ * regulator. So we need to specify the 5ms reset time (T_rst)
+ * here instead of the 100us T_rtp time. We also need to wait
+ * 300ms in case it was a real supply and the power was cutted
+ * of. Toggle the reset pin is also a way to exit the hibernate
+ * mode.
+ */
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ usleep_range(5000, 6000);
+
+ ret = regulator_enable(tsdata->vcc);
+ if (ret) {
+ dev_err(dev, "Failed to enable vcc\n");
+ return ret;
+ }
+
+ usleep_range(1000, 2000);
+ gpiod_set_value_cansleep(reset_gpio, 0);
+ msleep(300);
+
+ edt_ft5x06_restore_reg_parameters(tsdata);
+ enable_irq(tsdata->client->irq);
+
+ if (tsdata->factory_mode)
+ ret = edt_ft5x06_factory_mode(tsdata);
+ } else {
+ struct gpio_desc *wake_gpio = tsdata->wake_gpio;
+
+ gpiod_set_value_cansleep(wake_gpio, 0);
+ usleep_range(5000, 6000);
+ gpiod_set_value_cansleep(wake_gpio, 1);
+ }
+
+
+ return ret;
}
static SIMPLE_DEV_PM_OPS(edt_ft5x06_ts_pm_ops,
@@ -1162,30 +1373,31 @@
static const struct i2c_device_id edt_ft5x06_ts_id[] = {
{ .name = "edt-ft5x06", .driver_data = (long)&edt_ft5x06_data },
{ .name = "edt-ft5506", .driver_data = (long)&edt_ft5506_data },
+ { .name = "ev-ft5726", .driver_data = (long)&edt_ft5506_data },
/* Note no edt- prefix for compatibility with the ft6236.c driver */
{ .name = "ft6236", .driver_data = (long)&edt_ft6236_data },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(i2c, edt_ft5x06_ts_id);
-#ifdef CONFIG_OF
static const struct of_device_id edt_ft5x06_of_match[] = {
{ .compatible = "edt,edt-ft5206", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5306", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5406", .data = &edt_ft5x06_data },
{ .compatible = "edt,edt-ft5506", .data = &edt_ft5506_data },
+ { .compatible = "evervision,ev-ft5726", .data = &edt_ft5506_data },
/* Note focaltech vendor prefix for compatibility with ft6236.c */
{ .compatible = "focaltech,ft6236", .data = &edt_ft6236_data },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, edt_ft5x06_of_match);
-#endif
static struct i2c_driver edt_ft5x06_ts_driver = {
.driver = {
.name = "edt_ft5x06",
- .of_match_table = of_match_ptr(edt_ft5x06_of_match),
+ .of_match_table = edt_ft5x06_of_match,
.pm = &edt_ft5x06_ts_pm_ops,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
.id_table = edt_ft5x06_ts_id,
.probe = edt_ft5x06_ts_probe,
@@ -1196,4 +1408,4 @@
MODULE_AUTHOR("Simon Budig <simon.budig@kernelconcepts.de>");
MODULE_DESCRIPTION("EDT FT5x06 I2C Touchscreen Driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
--
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