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Subject[PATCH 2/2] Input: raspberrypi-ts - add devicetree binding documentation
Date
Adds device tree documentation for Raspberry Pi's official 7"
touchscreen.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
.../touchscreen/raspberrypi,firmware-ts.txt | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt

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..38e22eb222e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/raspberrypi,firmware-ts.txt
@@ -0,0 +1,26 @@
+Raspberry Pi 3 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>;
+ };
+};
--
2.19.2
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