Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / input / tca8418_keypad.txt

diff --git a/kernel/Documentation/devicetree/bindings/input/tca8418_keypad.txt b/kernel/Documentation/devicetree/bindings/input/tca8418_keypad.txt
new file mode 100644 (file)
index 0000000..2551850
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/input/tca8418_keypad.txt
@@ -0,0 +1,10 @@
+This binding is based on the matrix-keymap binding with the following
+changes:
+
+keypad,num-rows and keypad,num-columns are required.
+
+Required properties:
+- compatible: "ti,tca8418"
+- reg: the I2C address
+- interrupts: IRQ line number, should trigger on falling edge
+- linux,keymap: Keys definitions, see keypad-matrix.