GNU Linux-libre 4.19.295-gnu1
[releases.git] / Documentation / devicetree / bindings / input / touchscreen / eeti.txt
1 Bindings for EETI touchscreen controller
2
3 Required properties:
4 - compatible:   should be "eeti,exc3000-i2c"
5 - reg:          I2C address of the chip. Should be set to <0xa>
6 - interrupts:   interrupt to which the chip is connected
7
8 Optional properties:
9 - attn-gpios:   A handle to a GPIO to check whether interrupt is still
10                 latched. This is necessary for platforms that lack
11                 support for level-triggered IRQs.
12
13 The following optional properties described in touchscreen.txt are
14 also supported:
15
16 - touchscreen-inverted-x
17 - touchscreen-inverted-y
18 - touchscreen-swapped-x-y
19
20 Example:
21
22 i2c-master {
23         touchscreen@a {
24                 compatible = "eeti,exc3000-i2c";
25                 reg = <0xa>;
26                 interrupt-parent = <&gpio>;
27                 interrupts = <123 IRQ_TYPE_EDGE_RISING>;
28                 attn-gpios = <&gpio 123 GPIO_ACTIVE_HIGH>;
29         };
30 };