mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 17:15:18 +07:00
33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
|
Device-Tree bindings for GPIO attached mice
|
||
|
|
|
||
|
|
This simply uses standard GPIO handles to define a simple mouse connected
|
||
|
|
to 5-7 GPIO lines.
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible: must be "gpio-mouse"
|
||
|
|
- scan-interval-ms: The scanning interval in milliseconds
|
||
|
|
- up-gpios: GPIO line phandle to the line indicating "up"
|
||
|
|
- down-gpios: GPIO line phandle to the line indicating "down"
|
||
|
|
- left-gpios: GPIO line phandle to the line indicating "left"
|
||
|
|
- right-gpios: GPIO line phandle to the line indicating "right"
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- button-left-gpios: GPIO line handle to the left mouse button
|
||
|
|
- button-middle-gpios: GPIO line handle to the middle mouse button
|
||
|
|
- button-right-gpios: GPIO line handle to the right mouse button
|
||
|
|
Example:
|
||
|
|
|
||
|
|
#include <dt-bindings/gpio/gpio.h>
|
||
|
|
|
||
|
|
gpio-mouse {
|
||
|
|
compatible = "gpio-mouse";
|
||
|
|
scan-interval-ms = <50>;
|
||
|
|
up-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
|
||
|
|
down-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
|
||
|
|
left-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
|
||
|
|
right-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
|
||
|
|
button-left-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
|
||
|
|
button-middle-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
|
||
|
|
button-right-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
|
||
|
|
};
|