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This is a basic driver for the Zeitec ZET6223 I2C touchscreen controllers. The driver does not support firmware loading, which is not required for all tablets which contain this chip. Signed-off-by: Jelle van der Waa <jelle@vdwaa.nl> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
33 lines
930 B
Plaintext
33 lines
930 B
Plaintext
Zeitec ZET6223 I2C touchscreen controller
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Required properties:
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- compatible : "zeitec,zet6223"
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- reg : I2C slave address of the chip (0x76)
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- interrupt-parent : a phandle pointing to the interrupt controller
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serving the interrupt for this chip
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- interrupts : interrupt specification for the zet6223 interrupt
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Optional properties:
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- vio-supply : Specification for VIO supply (1.8V or 3.3V,
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depending on system interface needs).
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- vcc-supply : Specification for 3.3V VCC supply.
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- touchscreen-size-x : See touchscreen.txt
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- touchscreen-size-y : See touchscreen.txt
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- touchscreen-inverted-x : See touchscreen.txt
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- touchscreen-inverted-y : See touchscreen.txt
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- touchscreen-swapped-x-y : See touchscreen.txt
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Example:
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i2c@00000000 {
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zet6223: touchscreen@76 {
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compatible = "zeitec,zet6223";
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reg = <0x76>;
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interrupt-parent = <&pio>;
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interrupts = <6 11 IRQ_TYPE_EDGE_FALLING>
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};
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};
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