linux-kernel - Re: [PATCH v2 1/2] arm64: dts: qcom: ipq6018: add LDOA2 regulator

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Message-ID: <b64a5650-6152-4a66-81c1-22df2abfe359@linaro.org>
Date: Thu, 11 Jan 2024 13:19:28 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Chukun Pan <amadeus@....edu.cn>, Bjorn Andersson <andersson@...nel.org>
Cc: Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, Robert Marko <robimarko@...il.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: ipq6018: add LDOA2 regulator



On 1/10/24 16:10, Chukun Pan wrote:
> Add LDOA2 regulator of MP5496 to support SDCC voltage scaling.
> 
> Suggested-by: Robert Marko <robimarko@...il.com>
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---
>   arch/arm64/boot/dts/qcom/ipq6018.dtsi | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> index 5e1277fea725..2f892d3bbbc6 100644
> --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> @@ -174,6 +174,12 @@ ipq6018_s2: s2 {
>   						regulator-max-microvolt = <1062500>;
>   						regulator-always-on;
>   					};
> +
> +					ipq6018_l2: l2 {
> +						regulator-min-microvolt = <1800000>;
> +						regulator-max-microvolt = <3300000>;
> +						regulator-always-on;

Why is is always-on?

Konrad