forked from Minki/linux
771d8f1b17
This change adds device tree support and binding information for Goodix GT9xx series touchscreen controller. It also adds support for 5-finger chips, like GT911 and GT912, which can be found on ARM tablets, such as Wexler TAB7200 and MSI Primo73. Datasheets can be found here: https://drive.google.com/folderview?id=0BxCVOQS3ZymGfmJyY2RKbE5XbVlKNlktVTlwV0lxNEdxd2dzeWZER094cmJPVnMxN1F0Yzg&usp=sharing Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com> Reviewed-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
30 lines
642 B
Plaintext
30 lines
642 B
Plaintext
Device tree bindings for Goodix GT9xx series touchscreen controller
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Required properties:
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- compatible : Should be "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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- interrupt-parent : Interrupt controller to which the chip is connected
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- interrupts : Interrupt to which the chip is connected
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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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};
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/* ... */
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};
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