linux-kernel - Re: [PATCH 4/4] ARM: dts: qcom: msm8974-klte: Mark essential regulators

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Date:   Sun, 24 Jan 2021 16:14:10 +0100
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Iskren Chernev <iskren.chernev@...il.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Samuel Pascua <pascua.samuel.14@...il.com>,
        Alexey Minnekhanov <alexeymin@...tmarketos.org>
Subject: Re: [PATCH 4/4] ARM: dts: qcom: msm8974-klte: Mark essential
 regulators


On 24.01.2021 14:56, Iskren Chernev wrote:
> s1 and l12 regulators are used for the memory and cache on the Samsung
> S5 (klte). If they are turned off the phone shuts down. So mark them as
> always-on to prevent that from happening.
>
> Signed-off-by: Iskren Chernev <iskren.chernev@...il.com>
> Tested-by: Alexey Minnekhanov <alexeymin@...tmarketos.org>
> ---
>  arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
> index 19c96b47a5dbd..27323403aa71d 100644
> --- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
> +++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
> @@ -30,6 +30,7 @@ pma8084-regulators {
>  					pma8084_s1: s1 {
>  						regulator-min-microvolt = <675000>;
>  						regulator-max-microvolt = <1050000>;
> +						regulator-always-on;
>  					};
>  
>  					pma8084_s2: s2 {
> @@ -115,6 +116,7 @@ pma8084_l11: l11 {
>  					pma8084_l12: l12 {
>  						regulator-min-microvolt = <1800000>;
>  						regulator-max-microvolt = <1800000>;
> +						regulator-always-on;
>  					};
>  
>  					pma8084_l13: l13 {


Reviewed-by: Konrad Dybcio <konrad.dybcio@...ainline.org>


Konrad