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authorSascha Hauer <s.hauer@pengutronix.de>2023-09-12 12:59:05 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2023-09-12 13:19:34 +0200
commit0f433d022c7decc8de31f0b44ed1ada402b4df35 (patch)
treecdacf8116104bafed288deac561a0dcbca12b26c /dts/Bindings/input/rmi4/rmi_2d_sensor.txt
parent6db5f759917e34acb4bd5ccafbdee04217b44774 (diff)
downloadbarebox-0f433d022c7decc8de31f0b44ed1ada402b4df35.tar.gz
barebox-0f433d022c7decc8de31f0b44ed1ada402b4df35.tar.xz
dts: update to v6.6-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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-Synaptics RMI4 2D Sensor Device Binding
-
-The Synaptics RMI4 core is able to support RMI4 devices using different
-transports and different functions. This file describes the device tree
-bindings for devices which contain 2D sensors using Function 11 or
-Function 12. Complete documentation for transports and other functions
-can be found in:
-Documentation/devicetree/bindings/input/rmi4.
-
-RMI4 Function 11 and Function 12 are for 2D touch position sensing.
-Additional documentation for F11 can be found at:
-http://www.synaptics.com/sites/default/files/511-000136-01-Rev-E-RMI4-Interfacing-Guide.pdf
-
-Optional Touch Properties:
-Description in Documentation/devicetree/bindings/input/touchscreen
-- touchscreen-inverted-x
-- touchscreen-inverted-y
-- touchscreen-swapped-x-y
-- touchscreen-x-mm
-- touchscreen-y-mm
-
-Optional Properties:
-- syna,clip-x-low: Sets a minimum value for X.
-- syna,clip-y-low: Sets a minimum value for Y.
-- syna,clip-x-high: Sets a maximum value for X.
-- syna,clip-y-high: Sets a maximum value for Y.
-- syna,offset-x: Add an offset to X.
-- syna,offset-y: Add an offset to Y.
-- syna,delta-x-threshold: Set the minimum distance on the X axis required
- to generate an interrupt in reduced reporting
- mode.
-- syna,delta-y-threshold: Set the minimum distance on the Y axis required
- to generate an interrupt in reduced reporting
- mode.
-- syna,sensor-type: Set the sensor type. 1 for touchscreen 2 for touchpad.
-- syna,disable-report-mask: Mask for disabling posiiton reporting. Used to
- disable reporing absolute position data.
-- syna,rezero-wait-ms: Time in miliseconds to wait after issuing a rezero
- command.
-
-
-Example of a RMI4 I2C device with F11:
-Example:
- &i2c1 {
- rmi4-i2c-dev@2c {
- compatible = "syna,rmi4-i2c";
-
- ...
-
- rmi4-f11@11 {
- reg = <0x11>;
- touchscreen-inverted-y;
- syna,sensor-type = <2>;
- };
- };
- };