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arm64: dts: qcom: sc8280xp: add missing PCIe minimum OPP

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Add the missing PCIe CX performance level votes to avoid relying on
other drivers (e.g. USB or UFS) to maintain the nominal performance
level required for Gen3 speeds.

Fixes: 813e83157001 ("arm64: dts: qcom: sc8280xp/sa8540p: add PCIe2-4 nodes")
Cc: stable@vger.kernel.org      # 6.2
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240306095651.4551-5-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Johan Hovold 2024-03-06 10:56:50 +01:00 committed by Bjorn Andersson
parent cb939b9b35
commit 8b8ec83a1d
1 changed files with 5 additions and 0 deletions

5
arch/arm64/boot/dts/qcom/sc8280xp.dtsi

@ -1774,6 +1774,7 @@
reset-names = "pci";
power-domains = <&gcc PCIE_4_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
phys = <&pcie4_phy>;
phy-names = "pciephy";
@ -1872,6 +1873,7 @@
reset-names = "pci";
power-domains = <&gcc PCIE_3B_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
phys = <&pcie3b_phy>;
phy-names = "pciephy";
@ -1970,6 +1972,7 @@
reset-names = "pci";
power-domains = <&gcc PCIE_3A_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
phys = <&pcie3a_phy>;
phy-names = "pciephy";
@ -2071,6 +2074,7 @@
reset-names = "pci";
power-domains = <&gcc PCIE_2B_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
phys = <&pcie2b_phy>;
phy-names = "pciephy";
@ -2169,6 +2173,7 @@
reset-names = "pci";
power-domains = <&gcc PCIE_2A_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
phys = <&pcie2a_phy>;
phy-names = "pciephy";