1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/input/touchscreen/cypress,cy8ctma140.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Cypress CY8CTMA140 series touchscreen controller 8 9maintainers: 10 - Linus Walleij <linus.walleij@linaro.org> 11 12allOf: 13 - $ref: touchscreen.yaml# 14 15properties: 16 compatible: 17 const: cypress,cy8ctma140 18 19 reg: 20 const: 0x20 21 22 clock-frequency: 23 description: I2C client clock frequency, defined for host 24 minimum: 100000 25 maximum: 400000 26 27 interrupts: 28 maxItems: 1 29 30 vcpin-supply: 31 description: Analog power supply regulator on VCPIN pin 32 33 vdd-supply: 34 description: Digital power supply regulator on VDD pin 35 36 touchscreen-inverted-x: true 37 touchscreen-inverted-y: true 38 touchscreen-size-x: true 39 touchscreen-size-y: true 40 touchscreen-swapped-x-y: true 41 touchscreen-max-pressure: true 42 43additionalProperties: false 44 45required: 46 - compatible 47 - reg 48 - interrupts 49 - touchscreen-size-x 50 - touchscreen-size-y 51 - touchscreen-max-pressure 52 53examples: 54 - | 55 #include <dt-bindings/interrupt-controller/irq.h> 56 i2c { 57 #address-cells = <1>; 58 #size-cells = <0>; 59 touchscreen@20 { 60 compatible = "cypress,cy8ctma140"; 61 reg = <0x20>; 62 touchscreen-size-x = <480>; 63 touchscreen-size-y = <800>; 64 touchscreen-max-pressure = <255>; 65 interrupt-parent = <&gpio6>; 66 interrupts = <26 IRQ_TYPE_EDGE_FALLING>; 67 vdd-supply = <&ab8500_ldo_aux2_reg>; 68 vcpin-supply = <&ab8500_ldo_aux2_reg>; 69 }; 70 }; 71 72... 73