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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/input/touchscreen/melfas,mms114.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Melfas MMS114 family touchscreen controller
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
allOf:
- $ref: touchscreen.yaml#
properties:
$nodename:
pattern: "^touchscreen(@.*)?$"
compatible:
oneOf:
- enum:
- melfas,mms114
- melfas,mms134s
- melfas,mms136
- melfas,mms152
- melfas,mms345l
- items:
- enum:
- melfas,mms252
- const: melfas,mms114
reg:
description: I2C address
clock-frequency:
description: I2C client clock frequency, defined for host
minimum: 100000
maximum: 400000
interrupts:
maxItems: 1
avdd-supply:
description: Analog power supply regulator on AVDD pin
vdd-supply:
description: Digital power supply regulator on VDD pin
touchscreen-size-x: true
touchscreen-size-y: true
touchscreen-fuzz-x: true
touchscreen-fuzz-y: true
touchscreen-fuzz-pressure: true
touchscreen-inverted-x: true
touchscreen-inverted-y: true
touchscreen-swapped-x-y: true
touchscreen-max-pressure: true
linux,keycodes:
description: Keycodes for the touch keys
minItems: 1
maxItems: 15
additionalProperties: false
required:
- compatible
- reg
- interrupts
- touchscreen-size-x
- touchscreen-size-y
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@48 {
compatible = "melfas,mms114";
reg = <0x48>;
interrupt-parent = <&gpio>;
interrupts = <39 IRQ_TYPE_EDGE_FALLING>;
avdd-supply = <&ldo1_reg>;
vdd-supply = <&ldo2_reg>;
touchscreen-size-x = <720>;
touchscreen-size-y = <1280>;
touchscreen-fuzz-x = <10>;
touchscreen-fuzz-y = <10>;
touchscreen-fuzz-pressure = <10>;
touchscreen-inverted-x;
touchscreen-inverted-y;
};
};
...
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