diff options
Diffstat (limited to 'Bindings/serio/ps2-gpio.txt')
| -rw-r--r-- | Bindings/serio/ps2-gpio.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Bindings/serio/ps2-gpio.txt b/Bindings/serio/ps2-gpio.txt new file mode 100644 index 000000000000..7b7bc9cdf986 --- /dev/null +++ b/Bindings/serio/ps2-gpio.txt @@ -0,0 +1,23 @@ +Device-Tree binding for ps/2 gpio device + +Required properties: + - compatible = "ps2-gpio" + - data-gpios: the data pin + - clk-gpios: the clock pin + - interrupts: Should trigger on the falling edge of the clock line. + +Optional properties: + - write-enable: Indicates whether write function is provided + to serio device. Possibly providing the write fn will not work, because + of the tough timing requirements. + +Example nodes: + +ps2@0 { + compatible = "ps2-gpio"; + interrupt-parent = <&gpio>; + interrupts = <23 IRQ_TYPE_EDGE_FALLING>; + data-gpios = <&gpio 24 GPIO_ACTIVE_HIGH>; + clk-gpios = <&gpio 23 GPIO_ACTIVE_HIGH>; + write-enable; +}; |