linux-kernel - Re: [PATCH v3 5/6] arm64: dts: ipq8074: add SPMI PMP8074 PMIC regulators

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Message-ID: <77726e82-eaef-4cce-514a-1df04e5c33ee@somainline.org>
Date:   Wed, 18 May 2022 15:40:30 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Robert Marko <robimarko@...il.com>, agross@...nel.org,
        bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 5/6] arm64: dts: ipq8074: add SPMI PMP8074 PMIC
 regulators


On 17/05/2022 22:53, Robert Marko wrote:
> PMP8074 is used in IPQ8074 and provides S3 for cores,
> S4 for UBI core and LDO11 for SDIO/eMMC.
>
> So, lets add the nodes in preparation for DVFS later.
>
> Signed-off-by: Robert Marko <robimarko@...il.com>
> ---
>   arch/arm64/boot/dts/qcom/ipq8074.dtsi | 34 +++++++++++++++++++++++++++
>   1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> index 789fec7c6aa4..d1a0b77c38a4 100644
> --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
> @@ -5,6 +5,7 @@
>   
>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>   #include <dt-bindings/clock/qcom,gcc-ipq8074.h>
> +#include <dt-bindings/spmi/spmi.h>
>   
>   / {
>   	model = "Qualcomm Technologies, Inc. IPQ8074";
> @@ -421,6 +422,39 @@ spmi_bus: spmi@...f000 {
>   			interrupt-controller;
>   			#interrupt-cells = <4>;
>   			cell-index = <0>;
> +
> +			pmic@1 {

Hi!


These nodes belong in the PMIC DTSI (check pm8150.dtsi and others alike 
for reference).


Konrad

> +				compatible ="qcom,spmi-pmic";
> +				reg = <0x1 SPMI_USID>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				regulators {
> +					compatible = "qcom,pmp8074-regulators";
> +
> +					s3: s3 {
> +						regulator-name = "vdd_s3";
> +						regulator-min-microvolt = <592000>;
> +						regulator-max-microvolt = <1064000>;
> +						regulator-always-on;
> +						regulator-boot-on;
> +					};
> +
> +					s4: s4 {
> +						regulator-name = "vdd_s4";
> +						regulator-min-microvolt = <712000>;
> +						regulator-max-microvolt = <992000>;
> +						regulator-always-on;
> +						regulator-boot-on;
> +					};
> +
> +					l11: l11 {
> +						regulator-name = "l11";
> +						regulator-min-microvolt = <1800000>;
> +						regulator-max-microvolt = <3300000>;
> +					};
> +				};
> +			};
>   		};
>   
>   		sdhc_1: sdhci@...4900 {
>