This patch was split out of Lubomir's original mailbox patch by Eric
Anholt, and the required properties documentation and examples have
been filled out more completely and updated for the driver being
changed to expose a single channel.
Signed-off-by: NLubomir Rintel <lkundrak@v3.sk>
Signed-off-by: NCraig McGeachie <slapdau@yahoo.com.au>
Signed-off-by: NEric Anholt <eric@anholt.net>
Acked-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: NJassi Brar <jaswinder.singh@linaro.org>