[PATCH 1/4] input: Add support for the tm2 touchkey device driver
From: Jaechul Lee <hidden>
Date: 2017-01-03 07:58:02
Also in:
linux-arm-kernel, linux-input, linux-samsung-soc, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds the binding description of the tm2 touchkey device driver. Signed-off-by: Jaechul Lee <redacted> --- .../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 0000000..4de1af0
--- /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>; + }; + };
--
2.7.4