Message ID | 20230406070032.22243-5-quic_devipriy@quicinc.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | Add regulator support for IPQ9574 SoC | expand |
On 6.04.2023 09:00, Devi Priya wrote: > Add support for SMPA1 regulator node in IPQ9574. > > Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com> > Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com> > Signed-off-by: Devi Priya <quic_devipriy@quicinc.com> > --- > Changes in V3: > - Updated the regulator-min-microvolt with the SVS voltage 725000uV > > arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > index 3ae38cf327ea..06f579b1c590 100644 > --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts > @@ -44,6 +44,25 @@ > }; > }; > > +&rpm_requests { > + regulators { > + compatible = "qcom,rpm-mp5496-regulators"; > + > + ipq9574_s1: s1 { > + /* > + * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders. > + * During regulator registration, kernel not knowing the initial voltage, > + * considers it as zero and brings up the regulators with minimum supported voltage. > + * Updating the regulator-min-microvolt with SVS voltage of 725000uV so that s/Updating/Update s/725000uV/725mV here and below (for consistency with the first mention of 800mV) Konrad > + * the regulators are brought up with 725000uV which is sufficient for all the > + * corner parts to operate at 800MHz > + */ > + regulator-min-microvolt = <725000>; > + regulator-max-microvolt = <1075000>; > + }; > + }; > +}; > + > &pcie1_phy { > status = "okay"; > };
On 4/7/2023 1:17 AM, Konrad Dybcio wrote: > > > On 6.04.2023 09:00, Devi Priya wrote: >> Add support for SMPA1 regulator node in IPQ9574. >> >> Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com> >> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com> >> Signed-off-by: Devi Priya <quic_devipriy@quicinc.com> >> --- >> Changes in V3: >> - Updated the regulator-min-microvolt with the SVS voltage 725000uV >> >> arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 19 +++++++++++++++++++ >> 1 file changed, 19 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts >> index 3ae38cf327ea..06f579b1c590 100644 >> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts >> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts >> @@ -44,6 +44,25 @@ >> }; >> }; >> >> +&rpm_requests { >> + regulators { >> + compatible = "qcom,rpm-mp5496-regulators"; >> + >> + ipq9574_s1: s1 { >> + /* >> + * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders. >> + * During regulator registration, kernel not knowing the initial voltage, >> + * considers it as zero and brings up the regulators with minimum supported voltage. > >> + * Updating the regulator-min-microvolt with SVS voltage of 725000uV so that > s/Updating/Update > s/725000uV/725mV here and below (for consistency with the first mention > of 800mV) > Sure, will update! > Konrad >> + * the regulators are brought up with 725000uV which is sufficient for all the >> + * corner parts to operate at 800MHz >> + */ >> + regulator-min-microvolt = <725000>; >> + regulator-max-microvolt = <1075000>; >> + }; >> + }; >> +}; >> + >> &pcie1_phy { >> status = "okay"; >> };
diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts index 3ae38cf327ea..06f579b1c590 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts @@ -44,6 +44,25 @@ }; }; +&rpm_requests { + regulators { + compatible = "qcom,rpm-mp5496-regulators"; + + ipq9574_s1: s1 { + /* + * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders. + * During regulator registration, kernel not knowing the initial voltage, + * considers it as zero and brings up the regulators with minimum supported voltage. + * Updating the regulator-min-microvolt with SVS voltage of 725000uV so that + * the regulators are brought up with 725000uV which is sufficient for all the + * corner parts to operate at 800MHz + */ + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1075000>; + }; + }; +}; + &pcie1_phy { status = "okay"; };