Add few details about the kscan compatibility driver, mention the relevant Kconfig options and an example (which is also present in the binding file). Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
Add a reference to the kscan input adapter to the input documentation page. Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
Add the initial documentation for the input subsystem. Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>