linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7280: Add ldo

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Message-ID: <c1dc4ce8-9dd5-d511-f022-5e71dd7c23ba@quicinc.com>
Date:   Fri, 22 Apr 2022 15:05:31 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Doug Anderson <dianders@...omium.org>
CC:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        <quic_rohkumar@...cinc.com>,
        "Srinivas Kandagatla" <srinivas.kandagatla@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Judy Hsiao <judyhsiao@...omium.org>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH] arm64: dts: qcom: sc7280: Add ldo_l17b regulator node

Thanks for your time Doug!!!

On 4/21/2022 9:50 PM, Doug Anderson wrote:
> Hi,
>
> On Thu, Apr 21, 2022 at 7:20 AM Srinivasa Rao Mandadapu
> <quic_srivasam@...cinc.com> wrote:
>> Add ldo_l17b in pm7325 regulator, which is required for
>> wcd codec vdd buck supply.
>>
>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
>> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 5 +++++
>>   1 file changed, 5 insertions(+)
> The ${SUBJECT} should probably mention qcard somehow? Right now your
> patch subject makes it sound like this applies to all sc7280 boards,
> but this only affects those including the qcard dtsi file.
Okay. Will update the subject accordingly.
>
>
>> diff --git a/arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi b/arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi
>> index b833ba1..17d0c05 100644
>> --- a/arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi
>> @@ -113,6 +113,11 @@
>>                          regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>>                  };
>>
>> +               vreg_l17b_1p8: ldo17 {
>> +                       regulator-min-microvolt = <1700000>;
>> +                       regulator-max-microvolt = <1900000>;
> All the other regulators in this file specify:
>
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
>
> Why doesn't yours?
Okay. Will add initial mode.