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