xref: /freebsd/sys/contrib/device-tree/Bindings/input/clps711x-keypad.txt (revision 02e9120893770924227138ba49df1edb3896112a) 
1* Cirrus Logic CLPS711X matrix keypad device tree bindings
2
3Required Properties:
4- compatible:    Shall contain "cirrus,ep7209-keypad".
5- row-gpios:     List of GPIOs used as row lines.
6- poll-interval: Poll interval time in milliseconds.
7- linux,keymap:  The definition can be found at
8                 bindings/input/matrix-keymap.txt.
9
10Optional Properties:
11- autorepeat:    Enable autorepeat feature.
12
13Example:
14	keypad {
15		compatible = "cirrus,ep7312-keypad", "cirrus,ep7209-keypad";
16		autorepeat;
17		poll-interval = <120>;
18		row-gpios = <&porta 0 0>,
19			    <&porta 1 0>;
20
21		linux,keymap = <
22			MATRIX_KEY(0, 0, KEY_UP)
23			MATRIX_KEY(0, 1, KEY_DOWN)
24			MATRIX_KEY(1, 0, KEY_LEFT)
25			MATRIX_KEY(1, 1, KEY_RIGHT)
26		>;
27	};
28