diff options
Diffstat (limited to 'dts/Bindings/input')
| -rw-r--r-- | dts/Bindings/input/atmel,maxtouch.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/dts/Bindings/input/atmel,maxtouch.txt b/dts/Bindings/input/atmel,maxtouch.txt index baef432e83..0ac23f2ed1 100644 --- a/dts/Bindings/input/atmel,maxtouch.txt +++ b/dts/Bindings/input/atmel,maxtouch.txt @@ -15,6 +15,17 @@ Optional properties for main touchpad device: keycode generated by each GPIO. Linux keycodes are defined in <dt-bindings/input/input.h>. +- linux,gpio-keymap: When enabled, the SPT_GPIOPWN_T19 object sends messages + on GPIO bit changes. An array of up to 8 entries can be provided + indicating the Linux keycode mapped to each bit of the status byte, + starting at the LSB. Linux keycodes are defined in + <dt-bindings/input/input.h>. + + Note: the numbering of the GPIOs and the bit they start at varies between + maXTouch devices. You must either refer to the documentation, or + experiment to determine which bit corresponds to which input. Use + KEY_RESERVED for unused padding values. + Example: touch@4b { |