Signed-off-by: Lothar Waßmann <redacted>
---
 .../bindings/input/touchscreen/edt-ft5x06.txt      |   29 +++++
 drivers/input/touchscreen/edt-ft5x06.c             |  121 +++++++++++++++++---
 2 files changed, 132 insertions(+), 18 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt

diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
new file mode 100644
index 0000000..8d94cdc
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt

@@ -0,0 +1,29 @@
+* EDT FT5x06 Multiple Touch Controller
+
+Required properties:
+- compatible: must be "edt,ft5x06"
+- reg: i2c slave address
+- interrupt-parent: the phandle for the interrupt controller
+- interrupts: touch controller interrupt
+
+Optional properties:
+- reset-gpios: the gpio pin to be used for resetting the controller
+- wake-gpios:  the gpio pin to be used for waking up the controller
+
+  The following properties provide default values for the
+  corresponding parameters (see Documentation/input/edt-ft5x06.txt)
+- edt,threshold: allows setting the "click"-threshold in the range from 20 to 80.
+- edt,gain: sensitivity (0..31) (lower value -> higher sensitivity)
+- edt,offset: edge compensation (0..31)
+- edt,report-rate: report rate (3..14)

+
+Example:
+
+	edt_ft5x06@38 {
+		compatible = "edt,ft5x06";
+		reg = <0x38>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <5 0>;
+		reset-gpios = <&gpio2 6 1>;
+		wake-gpios = <&gpio4 9 0>;
+	};

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index acb6b9f..0467591 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c

@@ -33,6 +33,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
+#include <linux/of_gpio.h>
 #include <linux/input/mt.h>
 #include <linux/input/edt-ft5x06.h>
 

@@ -65,6 +66,10 @@ struct edt_ft5x06_ts_data {
 	u16 num_x;
 	u16 num_y;
 
+	int reset_pin;
+	int irq_pin;
+	int wake_pin;
+
 #if defined(CONFIG_DEBUG_FS)
 	struct dentry *debug_dir;
 	u8 *raw_buffer;

@@ -617,25 +622,38 @@ edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata)
 
 
 static int edt_ft5x06_ts_reset(struct i2c_client *client,
-					 int reset_pin)
+			struct edt_ft5x06_ts_data *tsdata)
 {
 	int error;
 
-	if (gpio_is_valid(reset_pin)) {
+	if (gpio_is_valid(tsdata->wake_pin)) {
+		error = devm_gpio_request_one(&client->dev, tsdata->wake_pin,
+					GPIOF_OUT_INIT_LOW, "edt-ft5x06 wake");
+		if (error) {
+			dev_err(&client->dev,
+				"Failed to request GPIO %d as wake pin, error %d\n",
+				tsdata->wake_pin, error);
+			return error;
+		}
+
+		mdelay(5);
+		gpio_set_value(tsdata->wake_pin, 1);
+	}
+	if (gpio_is_valid(tsdata->reset_pin)) {
 		/* this pulls reset down, enabling the low active reset */
-		error = devm_gpio_request_one(&client->dev, reset_pin,
+		error = devm_gpio_request_one(&client->dev, tsdata->reset_pin,
 					GPIOF_OUT_INIT_LOW,
 					"edt-ft5x06 reset");
 		if (error) {
 			dev_err(&client->dev,
 				"Failed to request GPIO %d as reset pin, error %d\n",
-				reset_pin, error);
+				tsdata->reset_pin, error);
 			return error;
 		}
 
-		mdelay(50);
-		gpio_set_value(reset_pin, 1);
-		mdelay(100);
+		mdelay(5);
+		gpio_set_value(tsdata->reset_pin, 1);
+		mdelay(300);