diff options
Diffstat (limited to '')
5 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serio/allwinner,sun4i-a10-ps2.yaml b/Documentation/devicetree/bindings/serio/allwinner,sun4i-a10-ps2.yaml new file mode 100644 index 000000000..2ecab8ed7 --- /dev/null +++ b/Documentation/devicetree/bindings/serio/allwinner,sun4i-a10-ps2.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serio/allwinner,sun4i-a10-ps2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 PS2 Host Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +description: + A20 PS2 is dual role controller (PS2 host and PS2 device). These + bindings for PS2 A10/A20 host controller. IBM compliant IBM PS2 and + AT-compatible keyboard and mouse can be connected. + +properties: + compatible: + const: allwinner,sun4i-a10-ps2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun7i-a20-ccu.h> + + ps20: ps2@1c2a000 { + compatible = "allwinner,sun4i-a10-ps2"; + reg = <0x01c2a000 0x400>; + interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_APB1_PS20>; + }; + +... diff --git a/Documentation/devicetree/bindings/serio/altera_ps2.txt b/Documentation/devicetree/bindings/serio/altera_ps2.txt new file mode 100644 index 000000000..520199e2e --- /dev/null +++ b/Documentation/devicetree/bindings/serio/altera_ps2.txt @@ -0,0 +1,5 @@ +Altera UP PS/2 controller + +Required properties: +- compatible : should be "ALTR,ps2-1.0". <DEPRECATED> +- compatible : should be "altr,ps2-1.0". diff --git a/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt new file mode 100644 index 000000000..0e72183f5 --- /dev/null +++ b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt @@ -0,0 +1,13 @@ +OLPC AP-SP serio interface + +Required properties: +- compatible : "olpc,ap-sp" +- reg : base address and length of SoC's WTM registers +- interrupts : SP-AP interrupt + +Example: + ap-sp@d4290000 { + compatible = "olpc,ap-sp"; + reg = <0xd4290000 0x1000>; + interrupts = <40>; + } diff --git a/Documentation/devicetree/bindings/serio/ps2-gpio.txt b/Documentation/devicetree/bindings/serio/ps2-gpio.txt new file mode 100644 index 000000000..7b7bc9cdf --- /dev/null +++ b/Documentation/devicetree/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; +}; diff --git a/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt b/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt new file mode 100644 index 000000000..38c2f21e8 --- /dev/null +++ b/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt @@ -0,0 +1,16 @@ +* ARC PS/2 driver: PS/2 block used in some ARC FPGA's & nSIM OSCI model + +Required properties: +- compatible : "snps,arc_ps2" +- reg : offset and length (always 0x14) of registers +- interrupts : interrupt +- interrupt-names : name of interrupt, must be "arc_ps2_irq" + +Example: + +serio@c9000400 { + compatible = "snps,arc_ps2"; + reg = <0xc9000400 0x14>; + interrupts = <13>; + interrupt-names = "arc_ps2_irq"; +} |