Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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/melfas,mms114.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Melfas MMS114 family touchscreen controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Linus Walleij <linus.walleij@linaro.org> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: touchscreen.yaml# |
| 14 | |
| 15 | properties: |
| 16 | $nodename: |
| 17 | pattern: "^touchscreen(@.*)?$" |
| 18 | |
| 19 | compatible: |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 20 | oneOf: |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 21 | - enum: |
| 22 | - melfas,mms114 |
| 23 | - melfas,mms134s |
| 24 | - melfas,mms136 |
| 25 | - melfas,mms152 |
| 26 | - melfas,mms345l |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 27 | - items: |
| 28 | - enum: |
| 29 | - melfas,mms252 |
| 30 | - const: melfas,mms114 |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 31 | |
| 32 | reg: |
| 33 | description: I2C address |
| 34 | |
| 35 | clock-frequency: |
| 36 | description: I2C client clock frequency, defined for host |
| 37 | minimum: 100000 |
| 38 | maximum: 400000 |
| 39 | |
| 40 | interrupts: |
| 41 | maxItems: 1 |
| 42 | |
| 43 | avdd-supply: |
| 44 | description: Analog power supply regulator on AVDD pin |
| 45 | |
| 46 | vdd-supply: |
| 47 | description: Digital power supply regulator on VDD pin |
| 48 | |
| 49 | touchscreen-size-x: true |
| 50 | touchscreen-size-y: true |
| 51 | touchscreen-fuzz-x: true |
| 52 | touchscreen-fuzz-y: true |
| 53 | touchscreen-fuzz-pressure: true |
| 54 | touchscreen-inverted-x: true |
| 55 | touchscreen-inverted-y: true |
| 56 | touchscreen-swapped-x-y: true |
| 57 | touchscreen-max-pressure: true |
| 58 | |
| 59 | linux,keycodes: |
| 60 | description: Keycodes for the touch keys |
| 61 | minItems: 1 |
| 62 | maxItems: 15 |
| 63 | |
| 64 | additionalProperties: false |
| 65 | |
| 66 | required: |
| 67 | - compatible |
| 68 | - reg |
| 69 | - interrupts |
| 70 | - touchscreen-size-x |
| 71 | - touchscreen-size-y |
| 72 | |
| 73 | examples: |
| 74 | - | |
| 75 | #include <dt-bindings/interrupt-controller/irq.h> |
| 76 | i2c { |
| 77 | #address-cells = <1>; |
| 78 | #size-cells = <0>; |
| 79 | touchscreen@48 { |
| 80 | compatible = "melfas,mms114"; |
| 81 | reg = <0x48>; |
| 82 | interrupt-parent = <&gpio>; |
| 83 | interrupts = <39 IRQ_TYPE_EDGE_FALLING>; |
| 84 | avdd-supply = <&ldo1_reg>; |
| 85 | vdd-supply = <&ldo2_reg>; |
| 86 | touchscreen-size-x = <720>; |
| 87 | touchscreen-size-y = <1280>; |
| 88 | touchscreen-fuzz-x = <10>; |
| 89 | touchscreen-fuzz-y = <10>; |
| 90 | touchscreen-fuzz-pressure = <10>; |
| 91 | touchscreen-inverted-x; |
| 92 | touchscreen-inverted-y; |
| 93 | }; |
| 94 | }; |
| 95 | |
| 96 | ... |