The egalax_ts driver needs to get the gpio number of the irq pin,
and use this gpio to wake up the controller. So add a note
for this change.
Ackyed-by Zhang Jiejing <jiejing.zhang@xxxxxxxxxxxxx>
Reviewed-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
Signed-off-by: Hui Wang <jason77.wang@xxxxxxxxx>
---
.../bindings/input/touchscreen/egalax-ts.txt | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
new file mode 100644
index 0000000..df70318
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
@@ -0,0 +1,19 @@
+* EETI eGalax Multiple Touch Controller
+
+Required properties:
+- compatible: must be "eeti,egalax_ts"
+- reg: i2c slave address
+- interrupt-parent: the phandle for the interrupt controller
+- interrupts: touch controller interrupt
+- wakeup-gpios: the gpio pin to be used for waking up the controller
+ as well as uased as irq pin
+
+Example:
+
+ egalax_ts@04 {
+ compatible = "eeti,egalax_ts";
+ reg = <0x04>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <9 2>;
+ wakeup-gpios = <&gpio1 9 0>;
+ };
--
1.7.6
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