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Date: Fri, 19 Apr 2024 14:47:46 -0500 From: mr.nuke.me@...il.com To: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>, Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof Wilczyński <kw@...ux.com>, Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, linux-clk@...r.kernel.org Subject: Re: [PATCH v3 0/7] ipq9574: Enable PCI-Express support Hi Kathiravan, On 4/19/24 09:28, Kathiravan Thirumoorthy wrote: > > > On 4/15/2024 11:50 PM, Alexandru Gagniuc wrote: >> There are four PCIe ports on IPQ9574, pcie0 thru pcie3. This series >> addresses pcie2, which is a gen3x2 port. The board I have only uses >> pcie2, and that's the only one enabled in this series. >> >> I believe this makes sense as a monolithic series, as the individual >> pieces are not that useful by themselves. >> >> In v2, I've had some issues regarding the dt schema checks. For >> transparency, I used the following test invocations to test v3: >> >> make dt_binding_check >> DT_SCHEMA_FILES=qcom,pcie.yaml:qcom,ipq8074-qmp-pcie-phy.yaml >> make dtbs_check >> DT_SCHEMA_FILES=qcom,pcie.yaml:qcom,ipq8074-qmp-pcie-phy.yaml >> >> > > Alexandru, > > Thanks for your contributions to the Qualcomm IPQ chipsets. > > I would like to inform you that we have also submitted the patches to > enable the PCIe support on IPQ9574[1][2] and waiting for the ICC > support[3] to land to enable the NOC clocks. > > [1] > https://lore.kernel.org/linux-arm-msm/20230519090219.15925-1-quic_devipriy@quicinc.com/ > [2] > https://lore.kernel.org/linux-arm-msm/20230519085723.15601-1-quic_devipriy@quicinc.com/ > [3] > https://lore.kernel.org/linux-arm-msm/20240418092305.2337429-1-quic_varada@quicinc.com/ > > Please take a look at these patches as well. I think I've seen [1] before -- I thought the series was abandoned. Since we have the dt-schema and applicability on mainline resolved here, do you want to use this series as the base for any new PCIe work? Alex > Thanks, > Kathiravan T. > > >> Changes since v2: >> - reworked resets in qcom,pcie.yaml to resolve dt schema errors >> - constrained "reg" in qcom,pcie.yaml >> - reworked min/max intems in qcom,ipq8074-qmp-pcie-phy.yaml >> - dropped msi-parent for pcie node, as it is handled by "msi" IRQ >> >> Changes since v1: >> - updated new tables in phy-qcom-qmp-pcie.c to use lowercase hex >> numbers >> - reorganized qcom,ipq8074-qmp-pcie-phy.yaml to use a single list of >> clocks >> - reorganized qcom,pcie.yaml to include clocks+resets per compatible >> - Renamed "pcie2_qmp_phy" label to "pcie2_phy" >> - moved "ranges" property of pcie@...00000 higher up >> >> Alexandru Gagniuc (7): >> dt-bindings: clock: Add PCIe pipe related clocks for IPQ9574 >> clk: qcom: gcc-ipq9574: Add PCIe pipe clocks >> dt-bindings: PCI: qcom: Add IPQ9574 PCIe controller >> PCI: qcom: Add support for IPQ9574 >> dt-bindings: phy: qcom,ipq8074-qmp-pcie: add ipq9574 gen3x2 PHY >> phy: qcom-qmp-pcie: add support for ipq9574 gen3x2 PHY >> arm64: dts: qcom: ipq9574: add PCIe2 nodes >> >> .../devicetree/bindings/pci/qcom,pcie.yaml | 35 +++++ >> .../phy/qcom,ipq8074-qmp-pcie-phy.yaml | 36 ++++- >> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 93 +++++++++++- >> drivers/clk/qcom/gcc-ipq9574.c | 76 ++++++++++ >> drivers/pci/controller/dwc/pcie-qcom.c | 13 +- >> drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 136 +++++++++++++++++- >> .../phy/qualcomm/phy-qcom-qmp-pcs-pcie-v5.h | 14 ++ >> include/dt-bindings/clock/qcom,ipq9574-gcc.h | 4 + >> 8 files changed, 400 insertions(+), 7 deletions(-) >>
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