From: Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx> Add the TouchNetix axiom I2C touchscreen device tree bindings documentation. Signed-off-by: Kamel Bouhara <kamel.bouhara@xxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> [m.felsch@xxxxxxxxxxxxxx: add myself to the maintainers] [m.felsch@xxxxxxxxxxxxxx: add 2nd i2c address] Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- .../input/touchscreen/touchnetix,ax54a.yaml | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml new file mode 100644 index 000000000000..3ffe6e533dfe --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/touchnetix,ax54a.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/touchnetix,ax54a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TouchNetix Axiom series touchscreen controller + +maintainers: + - Marco Felsch <kernel@xxxxxxxxxxxxxx> + +allOf: + - $ref: /schemas/input/touchscreen/touchscreen.yaml# + - $ref: /schemas/input/input.yaml# + +properties: + compatible: + const: touchnetix,ax54a + + reg: + enum: [ 0x66, 0x67 ] + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vdda-supply: + description: Analog power supply regulator on VDDA pin + + vddi-supply: + description: I/O power supply regulator on VDDI pin + +required: + - compatible + - reg + - vdda-supply + - vddi-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@66 { + compatible = "touchnetix,ax54a"; + reg = <0x66>; + interrupt-parent = <&gpio2>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; + vdda-supply = <&vdda_reg>; + vddi-supply = <&vddi_reg>; + poll-interval = <20>; + }; + }; +... -- 2.39.5
