51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
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Device tree bindings for Goodix GT9xx series touchscreen controller
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Required properties:
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- compatible : Should be "goodix,gt1151"
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or "goodix,gt5663"
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or "goodix,gt5688"
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or "goodix,gt911"
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or "goodix,gt9110"
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or "goodix,gt912"
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or "goodix,gt927"
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or "goodix,gt9271"
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or "goodix,gt928"
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or "goodix,gt967"
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- reg : I2C address of the chip. Should be 0x5d or 0x14
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- interrupts : Interrupt to which the chip is connected
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Optional properties:
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- irq-gpios : GPIO pin used for IRQ. The driver uses the
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interrupt gpio pin as output to reset the device.
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- reset-gpios : GPIO pin used for reset
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- AVDD28-supply : Analog power supply regulator on AVDD28 pin
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- VDDIO-supply : GPIO power supply regulator on VDDIO pin
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- touchscreen-inverted-x
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- touchscreen-inverted-y
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- touchscreen-size-x
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- touchscreen-size-y
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- touchscreen-swapped-x-y
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The touchscreen-* properties are documented in touchscreen.txt in this
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directory.
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Example:
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i2c@00000000 {
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/* ... */
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gt928@5d {
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compatible = "goodix,gt928";
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reg = <0x5d>;
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interrupt-parent = <&gpio>;
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interrupts = <0 0>;
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irq-gpios = <&gpio1 0 0>;
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reset-gpios = <&gpio1 1 0>;
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};
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/* ... */
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};
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