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69 lines
2.0 KiB
YAML
69 lines
2.0 KiB
YAML
description: Goodix GT911 capacitive touch controller
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include: ["i2c-device.yaml"]
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compatible: "goodix,gt911"
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bus: i2c
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properties:
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x-max:
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type: int
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required: true
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description: Maximum X coordinate reported by the controller (typically the panel's horizontal resolution)
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y-max:
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type: int
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required: true
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description: Maximum Y coordinate reported by the controller (typically the panel's vertical resolution)
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swap-xy:
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type: boolean
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default: false
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description: Swap the X and Y axes
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mirror-x:
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type: boolean
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default: false
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description: Mirror the X axis
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mirror-y:
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type: boolean
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default: false
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description: Mirror the Y axis
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pin-reset:
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type: phandles
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default: GPIO_PIN_SPEC_NONE
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description: |
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Reset GPIO pin. Reset polarity is set with the GPIO descriptor's ACTIVE_HIGH or
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ACTIVE_LOW flag (active-low is the GT911's native convention; boards that invert the
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reset line, e.g. Tulip 4 R11, use ACTIVE_HIGH).
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pin-interrupt:
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type: phandles
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default: GPIO_PIN_SPEC_NONE
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description: Interrupt GPIO pin
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reset-pulses:
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type: int
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default: 1
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description: |
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Number of reset pulses applied before the controller is initialized. Some panels
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(e.g. Tulip 4 R11) require two toggle cycles before they respond on I2C.
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x-offset:
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type: int
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default: 0
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description: |
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Signed X coordinate correction added to the raw controller output before scaling.
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Aligns the sensor with the panel (e.g. -2 on Tulip 4 R11).
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y-offset:
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type: int
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default: 0
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description: |
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Signed Y coordinate correction added to the raw controller output before scaling
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(e.g. -12 on Tulip 4 R11).
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x-scale:
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type: int
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default: 1000
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description: |
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X coordinate scale as per-mille (1000 = 1.0), applied after x-offset.
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y-scale:
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type: int
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default: 1000
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description: |
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Y coordinate scale as per-mille (1000 = 1.0), applied after y-offset.
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