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

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BugLink: https://bugs.launchpad.net/bugs/2073788

commit 2b621971554a94094cf489314dc1c2b65401965c upstream.

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: 813e831570 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Johan Hovold
2024-03-06 10:56:50 +01:00
committed by Roxana Nicolescu
parent 763e37730f
commit 76f9a561ef
1 changed files with 5 additions and 0 deletions
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arch/arm64/boot/dts/qcom/sc8280xp.dtsi
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@@ -1799,6 +1799,7 @@
assigned-clock-rates = <100000000>;
power-domains = <&gcc PCIE_4_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
resets = <&gcc GCC_PCIE_4_PHY_BCR>;
reset-names = "phy";
@@ -1898,6 +1899,7 @@
assigned-clock-rates = <100000000>;
power-domains = <&gcc PCIE_3B_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
resets = <&gcc GCC_PCIE_3B_PHY_BCR>;
reset-names = "phy";
@@ -1998,6 +2000,7 @@
assigned-clock-rates = <100000000>;
power-domains = <&gcc PCIE_3A_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
resets = <&gcc GCC_PCIE_3A_PHY_BCR>;
reset-names = "phy";
@@ -2099,6 +2102,7 @@
assigned-clock-rates = <100000000>;
power-domains = <&gcc PCIE_2B_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
resets = <&gcc GCC_PCIE_2B_PHY_BCR>;
reset-names = "phy";
@@ -2199,6 +2203,7 @@
assigned-clock-rates = <100000000>;
power-domains = <&gcc PCIE_2A_GDSC>;
required-opps = <&rpmhpd_opp_nom>;
resets = <&gcc GCC_PCIE_2A_PHY_BCR>;
reset-names = "phy";