From: George Chan <gchan9527@xxxxxxxxx> Add binding for the Novatek NT36xxx series touchscreen driver. Signed-off-by: AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> Signed-off-by: George Chan <gchan9527@xxxxxxxxx> --- .../bindings/input/touchscreen/nt36xxx.yaml | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml new file mode 100644 index 0000000000..3919f0d026 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/nt36xxx.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/nt36xxx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Novatek NT36xxx series touchscreen controller Bindings + +maintainers: + - AngeloGioacchino Del Regno <kholk11@xxxxxxxxx> + - George Chan <gchan9527@xxxxxxxxx> + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + enum: + - novatek,nt36525-spi + - novatek,nt36672a-spi + - novatek,nt36675-spi + - novatek,nt36676f-spi + - novatek,nt36772-spi + + reg: + maxItems: 1 + + irq-gpio: + maxItems: 1 + + vdd-supply: + description: Power supply regulator for VDD pin + + vio-supply: + description: Power supply regulator on VDD-IO pin + + firmware-name: + description: Firmware for device initialization, if unspecify, all + other IC treat as no firmware needed. For nt36675, default + to "novatek_ts_tianma_fw.bin". + + spi-max-frequency: + description: Set max frequency to spi bus communication. This is optional. + +unevaluatedProperties: false + +required: + - compatible + - reg + - irq-gpio + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@0 { + compatible = "novatek,nt36675-spi"; + reg = <0>; + spi-max-frequency = <4000000>; + irq-gpio = <&tlmm 9 0x2001>; + firmware-name = "novatek_ts_tianma_fw.bin"; + }; + }; + +... -- 2.43.0
