linux-kernel - Re: [PATCH v10 8/9] arm64: dts: qcom: ipq9574: Add LDO regulator node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 5 May 2023 21:26:28 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Varadarajan Narayanan <quic_varada@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, vkoul@...nel.org,
        kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, gregkh@...uxfoundation.org,
        mturquette@...libre.com, sboyd@...nel.org, quic_wcheng@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v10 8/9] arm64: dts: qcom: ipq9574: Add LDO regulator node



On 5.05.2023 11:29, Dmitry Baryshkov wrote:
> On Fri, 5 May 2023 at 11:23, Varadarajan Narayanan
> <quic_varada@...cinc.com> wrote:
>>
>> Add LDO regulator node
> 
> As this LDO is provided by the PMIC, it would be nice to know why it
> is modelled as an always-on regulator instead of the proper PMIC
> regulator. Up to now we were doing this only for the outstanding power
> rails like CX/MX or EBI.
(which we then stopped registering as regulators and started
to manage through rpm(h)pd drivers and the genpd framework)

Konrad
> 
>>
>> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>> ---
>>  Changes in v10:
>>         - Add LDO regulator node
>> ---
>>  arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 7 +++++++
>>  1 file changed, 7 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> index bdc1434..1f5d14f 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> @@ -60,6 +60,13 @@
>>                         regulator-min-microvolt = <725000>;
>>                         regulator-max-microvolt = <1075000>;
>>                 };
>> +
>> +               mp5496_l2: l2 {
>> +                       regulator-min-microvolt = <1800000>;
>> +                       regulator-max-microvolt = <1800000>;
>> +                       regulator-boot-on;
>> +                       regulator-always-on;
>> +               };
>>         };
>>  };
>>
>> --
>> 2.7.4
>>
> 
>