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From:   Doug Anderson <dianders@chromium.org>
Date:   Mon, 14 Sep 2020 14:23:04 -0700
Message-ID: <CAD=FV=VLLPjntF9oxF2_=Jd3UssRbbaRm=H5SKO--JFUe+_11w@mail.gmail.com>
Subject: Re: [PATCH V6 3/4] arm64: dts: qcom: sc7180-trogdor: Add wakeup
 support for BT UART
To:     satya priya <skakit@codeaurora.org>
Cc:     Bjorn Andersson <bjorn.andersson@linaro.org>,
        Matthias Kaehlcke <mka@chromium.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andy Gross <agross@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        linux-arm-msm <linux-arm-msm@vger.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Akash Asthana <akashast@codeaurora.org>,
        Roja Rani Yarubandi <rojay@codeaurora.org>,
        msavaliy@qti.qualcomm.com
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Hi,

On Mon, Sep 14, 2020 at 6:59 AM satya priya <skakit@codeaurora.org> 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@codeaurora.org>
> ---
> Changes in V5:
>  - Newly added in V5. This patch adds wakeup support for trogdor board files.
>
> Changes in V6:
>  - As per Doug's comment deleted interrupts property and sorted the qup sleep
>    state before trackpad.
>  - As per Bjorn's comment canged the commit text, rationale for RTS, TX, RX.
>
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 54 ++++++++++++++++++++++++++++
>  1 file changed, 54 insertions(+)

Reviewed-by: Douglas Anderson <dianders@chromium.org>