0b9f28fed3
Add's support to Raspberry Pi's 7" Touch device. Instead of using a conventional bus all information is copied into a memory mapped area by RPi's firmware. Based on the driver found in RPi's kernel repository. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
27 lines
680 B
Plaintext
27 lines
680 B
Plaintext
Raspberry Pi firmware based 7" touchscreen
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Required properties:
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- compatible: "raspberrypi,firmware-ts"
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Optional properties:
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- firmware: Reference to RPi's firmware device node
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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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firmware: firmware-rpi {
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compatible = "raspberrypi,bcm2835-firmware";
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mboxes = <&mailbox>;
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ts: touchscreen {
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compatible = "raspberrypi,firmware-ts";
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touchscreen-size-x = <800>;
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touchscreen-size-y = <480>;
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};
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};
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