| # 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 bindings |
| |
| maintainers: |
| - Linus Walleij <linus.walleij@linaro.org> |
| |
| allOf: |
| - $ref: touchscreen.yaml# |
| |
| properties: |
| $nodename: |
| pattern: "^touchscreen(@.*)?$" |
| |
| compatible: |
| items: |
| - enum: |
| - melfas,mms114 |
| - melfas,mms134s |
| - melfas,mms136 |
| - melfas,mms152 |
| - melfas,mms345l |
| |
| 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 |
| |
| 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; |
| }; |
| }; |
| |
| ... |