Re: [PATCH v2 18/18] ARM: dts: qcom: sdx55-mtp: Add regulator nodes

[Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>]

On Tue, Jan 05, 2021 at 12:16:11PM -0600, Bjorn Andersson wrote:
> On Tue 05 Jan 06:26 CST 2021, Manivannan Sadhasivam wrote:
> 
> > From: Vinod Koul <vkoul@kernel.org>
> > 
> > This adds the regulators found on SDX55 MTP.
> > 
> > Signed-off-by: Vinod Koul <vkoul@kernel.org>
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> >  arch/arm/boot/dts/qcom-sdx55-mtp.dts | 179 +++++++++++++++++++++++++++
> >  1 file changed, 179 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/qcom-sdx55-mtp.dts b/arch/arm/boot/dts/qcom-sdx55-mtp.dts
> > index 825cc7d0ba18..61e7d5d4bd48 100644
> > --- a/arch/arm/boot/dts/qcom-sdx55-mtp.dts
> > +++ b/arch/arm/boot/dts/qcom-sdx55-mtp.dts
> > @@ -6,6 +6,7 @@
> >  
> >  /dts-v1/;
> >  
> > +#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> >  #include "qcom-sdx55.dtsi"
> >  #include <arm64/qcom/pm8150b.dtsi>
> >  #include "qcom-pmx55.dtsi"
> > @@ -22,6 +23,184 @@ aliases {
> >  	chosen {
> >  		stdout-path = "serial0:115200n8";
> >  	};
> > +
> > +	vph_pwr: vph-pwr-regulator {
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "vph_pwr";
> > +		regulator-min-microvolt = <3700000>;
> > +		regulator-max-microvolt = <3700000>;
> > +	};
> > +
> > +	vreg_bob_3p3: pmx55-bob {
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "vreg_bob_3p3";
> > +		regulator-min-microvolt = <3300000>;
> > +		regulator-max-microvolt = <3300000>;
> > +
> > +		regulator-always-on;
> > +		regulator-boot-on;
> > +
> > +		vin-supply = <&vph_pwr>;
> > +	};
> > +
> > +	vreg_s7e_mx_0p752: pmx55-s7e {
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "vreg_s7e_mx_0p752";
> > +		regulator-min-microvolt = <752000>;
> > +		regulator-max-microvolt = <752000>;
> > +
> > +		vin-supply = <&vph_pwr>;
> > +	};
> > +
> > +	vreg_vddpx_2: vddpx-2 {
> 
> Isn't this the name of the pad on the SoC, i.e. the consumer? Does the
> regulator output have a more suitable name?
>

The reference is from the downstream dts.
 
> I don't see any references to this node and you got it "boot-on", what
> happens when the regulator core tuns it off? Or this isn't an issue
> until we actually try to support sdhci (guessing based on the voltages)?
> 

I think we can ignore this regulator since there is no SDHCI support in MTP.

Thanks,
Mani

> Regards,
> Bjorn
> 
> > +		compatible = "regulator-gpio";
> > +		regulator-name = "vreg_vddpx_2";
> > +		regulator-min-microvolt = <1800000>;
> > +		regulator-max-microvolt = <2850000>;
> > +		enable-gpios = <&tlmm 98 GPIO_ACTIVE_HIGH>;
> > +		gpios = <&tlmm 100 GPIO_ACTIVE_HIGH>;
> > +		states = <1800000 0>, <2850000 1>;
> > +		startup-delay-us = <200000>;
> > +		enable-active-high;
> > +		regulator-boot-on;
> > +
> > +		vin-supply = <&vph_pwr>;
> > +	};
> > +};
> > +
> > +&apps_rsc {
> > +	pmx55-rpmh-regulators {
> > +		compatible = "qcom,pmx55-rpmh-regulators";
> > +		qcom,pmic-id = "e";
> > +
> > +		vdd-s1-supply = <&vph_pwr>;
> > +		vdd-s2-supply = <&vph_pwr>;
> > +		vdd-s3-supply = <&vph_pwr>;
> > +		vdd-s4-supply = <&vph_pwr>;
> > +		vdd-s5-supply = <&vph_pwr>;
> > +		vdd-s6-supply = <&vph_pwr>;
> > +		vdd-s7-supply = <&vph_pwr>;
> > +		vdd-l1-l2-supply = <&vreg_s2e_1p224>;
> > +		vdd-l3-l9-supply = <&vreg_s3e_0p824>;
> > +		vdd-l4-l12-supply = <&vreg_s4e_1p904>;
> > +		vdd-l5-l6-supply = <&vreg_s4e_1p904>;
> > +		vdd-l7-l8-supply = <&vreg_s3e_0p824>;
> > +		vdd-l10-l11-l13-supply = <&vreg_bob_3p3>;
> > +		vdd-l14-supply = <&vreg_s7e_mx_0p752>;
> > +		vdd-l15-supply = <&vreg_s2e_1p224>;
> > +		vdd-l16-supply = <&vreg_s4e_1p904>;
> > +
> > +		vreg_s2e_1p224: smps2 {
> > +			regulator-min-microvolt = <1280000>;
> > +			regulator-max-microvolt = <1400000>;
> > +		};
> > +
> > +		vreg_s3e_0p824: smps3 {
> > +			regulator-min-microvolt = <800000>;
> > +			regulator-max-microvolt = <1000000>;
> > +		};
> > +
> > +		vreg_s4e_1p904: smps4 {
> > +			regulator-min-microvolt = <1800000>;
> > +			regulator-max-microvolt = <1960000>;
> > +		};
> > +
> > +		ldo1 {
> > +			regulator-min-microvolt = <1200000>;
> > +			regulator-max-microvolt = <1200000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo2 {
> > +			regulator-min-microvolt = <1128000>;
> > +			regulator-max-microvolt = <1128000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo3 {
> > +			regulator-min-microvolt = <800000>;
> > +			regulator-max-microvolt = <800000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo4 {
> > +			regulator-min-microvolt = <872000>;
> > +			regulator-max-microvolt = <872000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo5 {
> > +			regulator-min-microvolt = <1704000>;
> > +			regulator-max-microvolt = <1900000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo6 {
> > +			regulator-min-microvolt = <1800000>;
> > +			regulator-max-microvolt = <1800000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo7 {
> > +			regulator-min-microvolt = <480000>;
> > +			regulator-max-microvolt = <900000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo8 {
> > +			regulator-min-microvolt = <480000>;
> > +			regulator-max-microvolt = <900000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo9 {
> > +			regulator-min-microvolt = <800000>;
> > +			regulator-max-microvolt = <800000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo10 {
> > +			regulator-min-microvolt = <3088000>;
> > +			regulator-max-microvolt = <3088000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo11 {
> > +			regulator-min-microvolt = <1704000>;
> > +			regulator-max-microvolt = <2928000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo12 {
> > +			regulator-min-microvolt = <1200000>;
> > +			regulator-max-microvolt = <1200000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo13 {
> > +			regulator-min-microvolt = <1704000>;
> > +			regulator-max-microvolt = <2928000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo14 {
> > +			regulator-min-microvolt = <600000>;
> > +			regulator-max-microvolt = <800000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo15 {
> > +			regulator-min-microvolt = <1200000>;
> > +			regulator-max-microvolt = <1200000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +
> > +		ldo16 {
> > +			regulator-min-microvolt = <1704000>;
> > +			regulator-max-microvolt = <1904000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_LPM>;
> > +		};
> > +	};
> >  };
> >  
> >  &blsp1_uart3 {
> > -- 
> > 2.25.1
> >