diff options
| author | Ziyue Zhang <ziyue.zhang@oss.qualcomm.com> | 2025-07-25 18:22:31 +0800 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2025-08-11 21:46:48 -0500 |
| commit | f0370265b1d7fc169956927aa62c3abc375743b5 (patch) | |
| tree | 228eb2a38d1fadbfddeb803edef51457ee48fa94 | |
| parent | d41fb878adf64ef5dc4b4c25419e875483f62fe2 (diff) | |
arm64: dts: qcom: sa8775p: add link_down reset for pcie
SA8775p supports 'link_down' reset on hardware, so add it for both pcie0
and pcie1, which can provide a better user experience.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Ziyue Zhang <ziyue.zhang@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250725102231.3608298-4-ziyue.zhang@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/qcom/lemans.dtsi | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi index 4ccaddb7794c..9b7fa4c932e3 100644 --- a/arch/arm64/boot/dts/qcom/lemans.dtsi +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi @@ -7647,8 +7647,11 @@ iommu-map = <0x0 &pcie_smmu 0x0000 0x1>, <0x100 &pcie_smmu 0x0001 0x1>; - resets = <&gcc GCC_PCIE_0_BCR>; - reset-names = "pci"; + resets = <&gcc GCC_PCIE_0_BCR>, + <&gcc GCC_PCIE_0_LINK_DOWN_BCR>; + reset-names = "pci", + "link_down"; + power-domains = <&gcc PCIE_0_GDSC>; phys = <&pcie0_phy>; @@ -7815,8 +7818,11 @@ iommu-map = <0x0 &pcie_smmu 0x0080 0x1>, <0x100 &pcie_smmu 0x0081 0x1>; - resets = <&gcc GCC_PCIE_1_BCR>; - reset-names = "pci"; + resets = <&gcc GCC_PCIE_1_BCR>, + <&gcc GCC_PCIE_1_LINK_DOWN_BCR>; + reset-names = "pci", + "link_down"; + power-domains = <&gcc PCIE_1_GDSC>; phys = <&pcie1_phy>; |