diff options
| author | Devi Priya <quic_devipriy@quicinc.com> | 2023-05-17 20:25:26 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-05-26 22:26:13 +0300 |
| commit | 56ba2b3aeb4b76549a7759e79bd44330cd9b885a (patch) | |
| tree | 91387eaefe4e90c76824fc7d749c706f5774401b /arch | |
| parent | 8cc864a4375dd62023a2880050bf618a225cb907 (diff) | |
| download | linux-56ba2b3aeb4b76549a7759e79bd44330cd9b885a.tar.xz | |
arm64: dts: qcom: ipq9574: Add SMPA1 regulator node
Add support for SMPA1 regulator node in IPQ9574.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
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>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230517172527.1968-3-quic_devipriy@quicinc.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts index 2ce8e09e7565..2b3ed8d351f7 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts @@ -29,6 +29,25 @@ status = "okay"; }; +&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. + * Update the regulator-min-microvolt with SVS voltage of 725mV so that + * the regulators are brought up with 725mV which is sufficient for all the + * corner parts to operate at 800MHz + */ + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1075000>; + }; + }; +}; + &sdhc_1 { pinctrl-0 = <&sdc_default_state>; pinctrl-names = "default"; |