This adds device tree bindings for the D-Link DIR-685 touchkeys.
It's a simple homebrewn touchkey controller (by D-Link referred
to as "touchpad") on I2C.
Cc: devicetree@xxxxxxxxxxxxxxx
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
ChangeLog v1->v2:
- Rename from "touchpad" to touchkeys" consistently.
- Add Rob's ACK.
---
.../bindings/input/dlink,dir685-touchkeys.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/dlink,dir685-touchkeys.txt
diff --git a/Documentation/devicetree/bindings/input/dlink,dir685-touchkeys.txt b/Documentation/devicetree/bindings/input/dlink,dir685-touchkeys.txt
new file mode 100644
index 000000000000..10dec1c57abf
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/dlink,dir685-touchkeys.txt
@@ -0,0 +1,21 @@
+* D-Link DIR-685 Touchkeys
+
+This is a I2C one-off touchkey controller based on the Cypress Semiconductor
+CY8C214 MCU with some firmware in its internal 8KB flash. The circuit
+board inside the router is named E119921.
+
+The touchkey device node should be placed inside an I2C bus node.
+
+Required properties:
+- compatible: must be "dlink,dir685-touchkeys"
+- reg: the I2C address of the touchkeys
+- interrupts: reference to the interrupt number
+
+Example:
+
+touchkeys@26 {
+ compatible = "dlink,dir685-touchkeys";
+ reg = <0x26>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
+};
--
2.9.4
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