linux-kernel - Re: [PATCH 09/24] arm64: dts: qcom: glymur-crd: Add RPMH regulator rails

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Message-ID: <a49f3f75-c882-4635-9be3-a433b7fe32c8@oss.qualcomm.com>
Date: Thu, 25 Sep 2025 13:01:56 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Pankaj Patil <pankaj.patil@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>
Subject: Re: [PATCH 09/24] arm64: dts: qcom: glymur-crd: Add RPMH regulator
 rails

On 9/25/25 8:32 AM, Pankaj Patil wrote:
> From: Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>
> 
> Add RPMH regulator rails for Glymur CRD.
> 
> Signed-off-by: Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>
> Signed-off-by: Pankaj Patil <pankaj.patil@....qualcomm.com>
> ---

[...]

> +	regulators-1 {
> +		compatible = "qcom,pmcx0102-rpmh-regulators";
> +		qcom,pmic-id = "C_E0";
> +		vdd-s1-supply = <&vph_pwr>;
> +		vdd-s8-supply = <&vph_pwr>;
> +
> +		vreg_s1c_e0_0p3: smps1 {
> +			regulator-name = "vreg_s1c_e0_0p3";
> +			regulator-min-microvolt = <300000>;
> +			regulator-max-microvolt = <1200000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> +		};
> +
> +		vreg_s8c_e0_0p3: smps8 {
> +			regulator-name = "vreg_s8c_e0_0p3";
> +			regulator-min-microvolt = <300000>;
> +			regulator-max-microvolt = <1200000>

Both of these regulators, having no consumers, will be parked to 0.3 V
(the lower bound)

There are other similar cases in this patch

Does the board still boot with all the expected functionality with only
patches 1-9 applied?

Konrad