xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/input/clps711x-keypad.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun* Cirrus Logic CLPS711X matrix keypad device tree bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired Properties:
4*4882a593Smuzhiyun- compatible:    Shall contain "cirrus,ep7209-keypad".
5*4882a593Smuzhiyun- row-gpios:     List of GPIOs used as row lines.
6*4882a593Smuzhiyun- poll-interval: Poll interval time in milliseconds.
7*4882a593Smuzhiyun- linux,keymap:  The definition can be found at
8*4882a593Smuzhiyun                 bindings/input/matrix-keymap.txt.
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunOptional Properties:
11*4882a593Smuzhiyun- autorepeat:    Enable autorepeat feature.
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunExample:
14*4882a593Smuzhiyun	keypad {
15*4882a593Smuzhiyun		compatible = "cirrus,ep7312-keypad", "cirrus,ep7209-keypad";
16*4882a593Smuzhiyun		autorepeat;
17*4882a593Smuzhiyun		poll-interval = <120>;
18*4882a593Smuzhiyun		row-gpios = <&porta 0 0>,
19*4882a593Smuzhiyun			    <&porta 1 0>;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun		linux,keymap = <
22*4882a593Smuzhiyun			MATRIX_KEY(0, 0, KEY_UP)
23*4882a593Smuzhiyun			MATRIX_KEY(0, 1, KEY_DOWN)
24*4882a593Smuzhiyun			MATRIX_KEY(1, 0, KEY_LEFT)
25*4882a593Smuzhiyun			MATRIX_KEY(1, 1, KEY_RIGHT)
26*4882a593Smuzhiyun		>;
27*4882a593Smuzhiyun	};
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