Re: [PATCH v2 2/2] arm64: dts: qcom: sm8650-qrd: add PM8010 regulators

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On 1/23/24 00:49, Fenglin Wu via B4 Relay wrote:
> From: Fenglin Wu <quic_fenglinw@xxxxxxxxxxx>
> 
> Add PM8010 regulator device nodes for sm8650-qrd board.
> 
> Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> # on SM8650-QRD
> Signed-off-by: Fenglin Wu <quic_fenglinw@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sm8650-qrd.dts | 118 ++++++++++++++++++++++++++++++++
>  1 file changed, 118 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
> index 592a67a47c78..361894fa201a 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
> @@ -436,6 +436,124 @@ vreg_l3i_1p2: ldo3 {
>  						   RPMH_REGULATOR_MODE_HPM>;
>  		};
>  	};
> +
> +	regulators-6 {
> +		compatible = "qcom,pm8010-rpmh-regulators";
> +		qcom,pmic-id = "m";
> +
> +		vdd-l1-l2-supply = <&vreg_s1c_1p2>;
> +		vdd-l3-l4-supply = <&vreg_bob2>;
> +		vdd-l5-supply = <&vreg_s6c_1p8>;
> +		vdd-l6-l7-supply = <&vreg_bob1>;

Please replace this line with:

vdd-l6-supply = <&vreg_bob1>;
vdd-l7-supply = <&vreg_bob1>;

> +
> +		vreg_l1m_1p1: ldo1 {
> +			regulator-name = "vreg_l1m_1p1";
> +			regulator-min-microvolt = <1104000>;
> +			regulator-max-microvolt = <1104000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;

Optional:
PM8010 L1 and L2 physically support LPM vs HPM configuration.
Therefore, these lines could be added here to allow such configuration
by software at runtime:

regulator-allow-set-load;
regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM
			   RPMH_REGULATOR_MODE_HPM>;

> +		};
> +
> +		vreg_l2m_1p056: ldo2 {
> +			regulator-name = "vreg_l2m_1p056";
> +			regulator-min-microvolt = <1056000>;
> +			regulator-max-microvolt = <1056000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;

The same comment about LPM vs HPM configuration applies here.

> +	regulators-7 {
> +		compatible = "qcom,pm8010-rpmh-regulators";
> +		qcom,pmic-id = "n";
> +
> +		vdd-l1-l2-supply = <&vreg_s1c_1p2>;
> +		vdd-l3-l4-supply = <&vreg_s6c_1p8>;
> +		vdd-l5-l6-supply = <&vreg_bob2>;

Please replace this line with:

vdd-l5-supply = <&vreg_bob2>;
vdd-l6-supply = <&vreg_bob2>;

> +		vdd-l7-supply = <&vreg_bob1>;
> +
> +		vreg_l1n_1p1: ldo1 {
> +			regulator-name = "vreg_l1n_1p1";
> +			regulator-min-microvolt = <1104000>;
> +			regulator-max-microvolt = <1104000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;

The same comment about LPM vs HPM configuration applies here.

> +		};
> +
> +		vreg_l2n_1p056: ldo2 {
> +			regulator-name = "vreg_l2n_1p056";
> +			regulator-min-microvolt = <1056000>;
> +			regulator-max-microvolt = <1056000>;
> +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;

The same comment about LPM vs HPM configuration applies here.

Thanks,
David





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