[PATCH] dt: add Atmel Captouch bindings
From: Grant Grundler <hidden>
Date: 2016-05-11 02:08:19
Also in:
linux-devicetree, 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
From: Daniel Hung-yu Wu <redacted>
Add binding for Atmel Capacitive Touch Button device.
Signed-off-by: Daniel Hung-yu Wu <redacted>
Signed-off-by: Grant Grundler <redacted>
---
.../devicetree/bindings/input/atmel,captouch.txt | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/atmel,captouch.txt
I haven't posted the corresponding device driver and dtsi changes yet but will shortly.
V2: split Documentation/devicetree/bindings from driver patch
rename "atmel,atmegaxx_captouch" to "atmel,captouch" since it's irrelevant
which controller implements the register set/controller.
V1: posted https://lkml.org/lkml/2016/5/3/613
diff --git a/Documentation/devicetree/bindings/input/atmel,captouch.txt b/Documentation/devicetree/bindings/input/atmel,captouch.txt
new file mode 100644
index 0000000..405d287
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/atmel,captouch.txt@@ -0,0 +1,34 @@ +Device tree bindings for Atmel AtmegaXX capacitive touch sensor + +The node for this device must be a child of a I2C controller node, as the +device communicates via I2C. + +Required properties: + + compatible: Must be "atmel,captouch". + reg: The I2C slave address of the device. + interrupts: Property describing the interrupt line the device + is connected to. The device only has one interrupt + source. + linux,keycodes: Specifies an array of numeric keycode values to + be used for reporting button presses. The array can + contain up to 8 entries. + +Optional properties: + + autorepeat: Enables the Linux input system's autorepeat + feature on the input device. + +Example: + + atmel_captouch@51 { + compatible = "atmel,captouch"; + reg = <0x51>; + interrupt-parent = <&tlmm>; + interrupts = <67 IRQ_TYPE_EDGE_FALLING>; + linux,keycodes = <BTN_0>, <BTN_1>, + <BTN_2>, <BTN_3>, + <BTN_4>, <BTN_5>, + <BTN_6>, <BTN_7>; + autorepeat; + };
--
2.1.2
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