diff options
Diffstat (limited to 'dts/Bindings/serio')
| -rw-r--r-- | dts/Bindings/serio/allwinner,sun4i-ps2.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/serio/ps2-gpio.txt | 23 |
2 files changed, 23 insertions, 1 deletions
diff --git a/dts/Bindings/serio/allwinner,sun4i-ps2.txt b/dts/Bindings/serio/allwinner,sun4i-ps2.txt index 362a76925b..f311472990 100644 --- a/dts/Bindings/serio/allwinner,sun4i-ps2.txt +++ b/dts/Bindings/serio/allwinner,sun4i-ps2.txt @@ -19,5 +19,4 @@ Example: reg = <0x01c2a000 0x400>; interrupts = <0 62 4>; clocks = <&apb1_gates 6>; - status = "disabled"; }; diff --git a/dts/Bindings/serio/ps2-gpio.txt b/dts/Bindings/serio/ps2-gpio.txt new file mode 100644 index 0000000000..7b7bc9cdf9 --- /dev/null +++ b/dts/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; +}; |