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| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2018-12-21 00:47:40 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-12-21 01:00:27 -0800 |
| commit | 0b9f28fed3f70ff9a0380fe308739dd72a30a6f6 (patch) | |
| tree | 1cc78e1be3cd953ac2305eb71385bda7170c1602 /Documentation/devicetree/bindings/input/touchscreen | |
| parent | 4d8f727b83bcd6702c2d210330872c9122d2d360 (diff) | |
Input: add official Raspberry Pi's touchscreen driver
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>
Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt new file mode 100644 index 000000000000..2a1af240ccc3 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt @@ -0,0 +1,26 @@ +Raspberry Pi firmware based 7" touchscreen +===================================== + +Required properties: + - compatible: "raspberrypi,firmware-ts" + +Optional properties: + - firmware: Reference to RPi's firmware device node + - touchscreen-size-x: See touchscreen.txt + - touchscreen-size-y: See touchscreen.txt + - touchscreen-inverted-x: See touchscreen.txt + - touchscreen-inverted-y: See touchscreen.txt + - touchscreen-swapped-x-y: See touchscreen.txt + +Example: + +firmware: firmware-rpi { + compatible = "raspberrypi,bcm2835-firmware"; + mboxes = <&mailbox>; + + ts: touchscreen { + compatible = "raspberrypi,firmware-ts"; + touchscreen-size-x = <800>; + touchscreen-size-y = <480>; + }; +}; |