This patch series adds optional regulator support to atmel_mxt_ts. First patch adds regulators to driver. Second patch ensures that device is ready for communication. Third patch updates documentation. Changes from v3: - Checkpatch fixes - Drop punctuation from subject of one of patches Changes from v2: - Add reviewed-by to one patch - Move code for enabling regulators into separate method, to make code more readable. - Add wait code, to ensure that device is ready for communication. Changes from v1: - Enable regulators only if reset_gpio is present. - Switch from devm_regulator_get_optional to devm_regulator_get. Paweł Chmiel (3): Input: atmel_mxt_ts: Add support for optional regulators Input: atmel_mxt_ts: Wait for device be ready for communication Input: atmel_mxt_ts: Document optional voltage regulators .../bindings/input/atmel,maxtouch.txt | 8 ++ drivers/input/touchscreen/atmel_mxt_ts.c | 76 +++++++++++++++++-- 2 files changed, 78 insertions(+), 6 deletions(-) -- 2.17.1