Hi, On Mon, Sep 14, 2020 at 6:59 AM satya priya <skakit@xxxxxxxxxxxxxx> wrote: > > Add the necessary pinctrl, interrupt property and a suitable sleep config > to support Bluetooth wakeup feature. > > GPIO mode is configured in sleep state to drive the RTS/RFR line low. > If QUP function is selected in sleep state, UART RTS/RFR is pulled high > during suspend and BT SoC not able to send wakeup bytes. > > Signed-off-by: satya priya <skakit@xxxxxxxxxxxxxx> > --- > Changes in V2: > - This patch adds sleep state for BT UART. Newly added in V2. > > Changes in V3: > - Remove "output-high" for TX from both sleep and default states > as it is not required. Configure pull-up for TX in sleep state. > > Changes in V4: > - As per Matthias's comment, removed drive-strength for sleep state > and fixed nit-pick. > > Changes in V5: > - As per Matthias's comments, moved pinmux change for sleep state, > pinctrl and interrupt config to the board specific file. > > Changes in V6: > - As per Doug's comments changed subject, deleted interrupts property. > - As per Bjorn's comments changed commit text and rationale for RTS, > TX and RX. > > arch/arm64/boot/dts/qcom/sc7180-idp.dts | 55 +++++++++++++++++++++++++++++++++ > 1 file changed, 55 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
