From: Jaechul Lee <jcsing.lee@xxxxxxxxxxx>
This patch adds the binding description of the tm2 touchkey
device driver.
Signed-off-by: Jaechul Lee <jcsing.lee@xxxxxxxxxxx>
Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
---
.../bindings/input/samsung,tm2-touchkey.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
diff --git a/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
new file mode 100644
index 000000000000..4de1af0f0a37
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
@@ -0,0 +1,27 @@
+Samsung tm2-touchkey
+
+Required properties:
+- compatible: must be "samsung,tm2-touchkey"
+- reg: I2C address of the chip.
+- interrupt-parent: a phandle for the interrupt controller (see interrupt
+ binding[0]).
+- interrupts: interrupt to which the chip is connected (see interrupt
+ binding[0]).
+- vcc-supply : internal regulator output. 1.8V
+- vdd-supply : power supply for IC 3.3V
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example:
+ &i2c0 {
+ /* ... */
+
+ touchkey@20 {
+ compatible = "samsung,tm2-touchkey";
+ reg = <0x20>;
+ interrupt-parent = <&gpa3>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ vcc-supply=<&ldo32_reg>;
+ vdd-supply=<&ldo33_reg>;
+ };
+ };
--
2.11.0
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