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-rw-r--r--Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt4
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c44
2 files changed, 44 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
index da2dc5d6c98b..179e434f5619 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
@@ -1,11 +1,12 @@
FocalTech EDT-FT5x06 Polytouch driver
=====================================
-There are 3 variants of the chip for various touch panel sizes
+There are 5 variants of the chip for various touch panel sizes
FT5206GE1 2.8" .. 3.8"
FT5306DE4 4.3" .. 7"
FT5406EE8 7" .. 8.9"
FT5506EEG 7" .. 8.9"
+FT5726NEI 5.7” .. 11.6"
The software interface is identical for all those chips, so that
currently there is no need for the driver to distinguish between the
@@ -19,6 +20,7 @@ Required properties:
or: "edt,edt-ft5306"
or: "edt,edt-ft5406"
or: "edt,edt-ft5506"
+ or: "evervision,ev-ft5726"
or: "focaltech,ft6236"
- reg: I2C slave address of the chip (0x38)
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 1e18ca0d1b4e..1cd5b804a456 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -31,6 +31,7 @@
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/i2c.h>
+#include <linux/kernel.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
@@ -53,6 +54,9 @@
#define M09_REGISTER_NUM_X 0x94
#define M09_REGISTER_NUM_Y 0x95
+#define EV_REGISTER_THRESHOLD 0x40
+#define EV_REGISTER_GAIN 0x41
+
#define NO_REGISTER 0xff
#define WORK_REGISTER_OPMODE 0x3c
@@ -73,6 +77,7 @@ enum edt_ver {
EDT_M06,
EDT_M09,
EDT_M12,
+ EV_FT,
GENERIC_FT,
};
@@ -190,6 +195,7 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
cmd = 0x0;
offset = 3;
@@ -242,6 +248,10 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id)
x = ((buf[0] << 8) | buf[1]) & 0x0fff;
y = ((buf[2] << 8) | buf[3]) & 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;
@@ -275,8 +285,10 @@ static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,
wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2];
return edt_ft5x06_ts_readwrite(tsdata->client, 4,
wrbuf, 0, NULL);
+ /* fallthrough */
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
wrbuf[1] = value;
@@ -315,8 +327,10 @@ static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,
}
break;
+ /* fallthrough */
case EDT_M09:
case EDT_M12:
+ case EV_FT:
case GENERIC_FT:
wrbuf[0] = addr;
error = edt_ft5x06_ts_readwrite(tsdata->client, 1,
@@ -605,8 +619,9 @@ static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata)
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_offset != NO_REGISTER)
+ 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);
@@ -867,6 +882,16 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client,
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)",
@@ -912,7 +937,9 @@ edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)
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_report_rate != NO_REGISTER)
tsdata->report_rate = edt_ft5x06_register_read(tsdata,
reg_addr->reg_report_rate);
@@ -954,6 +981,15 @@ edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
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_num_x = NO_REGISTER;
+ reg_addr->reg_num_y = NO_REGISTER;
+ reg_addr->reg_report_rate = NO_REGISTER;
+ break;
+
case GENERIC_FT:
/* this is a guesswork */
reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
@@ -1155,6 +1191,7 @@ static const struct edt_i2c_chip_data edt_ft6236_data = {
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 */ }
@@ -1167,6 +1204,7 @@ static const struct of_device_id edt_ft5x06_of_match[] = {
{ .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 */ }
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 23:36:02 +0100