| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [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/goodix,gt9916.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Goodix Berlin series touchscreen controller |
| 8 | |
| 9 | description: The Goodix Berlin series of touchscreen controllers |
| 10 | be connected to either I2C or SPI buses. |
| 11 | |
| 12 | maintainers: |
| 13 | - Neil Armstrong <neil.armstrong@linaro.org> |
| 14 | |
| 15 | allOf: |
| 16 | - $ref: touchscreen.yaml# |
| 17 | - $ref: /schemas/spi/spi-peripheral-props.yaml# |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - goodix,gt9916 |
| 23 | |
| 24 | reg: |
| 25 | maxItems: 1 |
| 26 | |
| 27 | interrupts: |
| 28 | maxItems: 1 |
| 29 | |
| 30 | reset-gpios: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | avdd-supply: |
| 34 | description: Analog power supply regulator on AVDD pin |
| 35 | |
| 36 | vddio-supply: |
| 37 | description: power supply regulator on VDDIO pin |
| 38 | |
| 39 | spi-max-frequency: true |
| 40 | touchscreen-inverted-x: true |
| 41 | touchscreen-inverted-y: true |
| 42 | touchscreen-size-x: true |
| 43 | touchscreen-size-y: true |
| 44 | touchscreen-swapped-x-y: true |
| 45 | |
| 46 | additionalProperties: false |
| 47 | |
| 48 | required: |
| 49 | - compatible |
| 50 | - reg |
| 51 | - interrupts |
| 52 | - avdd-supply |
| 53 | - touchscreen-size-x |
| 54 | - touchscreen-size-y |
| 55 | |
| 56 | examples: |
| 57 | - | |
| 58 | #include <dt-bindings/interrupt-controller/irq.h> |
| 59 | #include <dt-bindings/gpio/gpio.h> |
| 60 | i2c { |
| 61 | #address-cells = <1>; |
| 62 | #size-cells = <0>; |
| 63 | touchscreen@5d { |
| 64 | compatible = "goodix,gt9916"; |
| 65 | reg = <0x5d>; |
| 66 | interrupt-parent = <&gpio>; |
| 67 | interrupts = <25 IRQ_TYPE_LEVEL_LOW>; |
| 68 | reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; |
| 69 | avdd-supply = <&ts_avdd>; |
| 70 | touchscreen-size-x = <1024>; |
| 71 | touchscreen-size-y = <768>; |
| 72 | }; |
| 73 | }; |
| 74 | - | |
| 75 | #include <dt-bindings/interrupt-controller/irq.h> |
| 76 | #include <dt-bindings/gpio/gpio.h> |
| 77 | spi { |
| 78 | #address-cells = <1>; |
| 79 | #size-cells = <0>; |
| 80 | num-cs = <1>; |
| 81 | cs-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; |
| 82 | touchscreen@0 { |
| 83 | compatible = "goodix,gt9916"; |
| 84 | reg = <0>; |
| 85 | interrupt-parent = <&gpio>; |
| 86 | interrupts = <25 IRQ_TYPE_LEVEL_LOW>; |
| 87 | reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; |
| 88 | avdd-supply = <&ts_avdd>; |
| 89 | spi-max-frequency = <1000000>; |
| 90 | touchscreen-size-x = <1024>; |
| 91 | touchscreen-size-y = <768>; |
| 92 | }; |
| 93 | }; |
| 94 | |
| 95 | ... |