On Mon, Apr 15, 2024 at 01:20:49PM -0500, Alexandru Gagniuc wrote: > Add support for the PCIe on IPQ9574. The main difference from ipq6018 > is that the "iface" clock is not necessarry. Add a special case in > qcom_pcie_get_resources_2_9_0() to handle this. > Could you add more information about the PCIe controller used in this SoC? Like controller version, supported data rate, PCIe generation etc... - Mani > Signed-off-by: Alexandru Gagniuc <mr.nuke.me@xxxxxxxxx> > --- > drivers/pci/controller/dwc/pcie-qcom.c | 13 +++++++++---- > 1 file changed, 9 insertions(+), 4 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c > index 14772edcf0d3..10560d6d6336 100644 > --- a/drivers/pci/controller/dwc/pcie-qcom.c > +++ b/drivers/pci/controller/dwc/pcie-qcom.c > @@ -1101,15 +1101,19 @@ static int qcom_pcie_get_resources_2_9_0(struct qcom_pcie *pcie) > struct qcom_pcie_resources_2_9_0 *res = &pcie->res.v2_9_0; > struct dw_pcie *pci = pcie->pci; > struct device *dev = pci->dev; > - int ret; > + int ret, num_clks = ARRAY_SIZE(res->clks) - 1; > > - res->clks[0].id = "iface"; > + res->clks[0].id = "rchng"; > res->clks[1].id = "axi_m"; > res->clks[2].id = "axi_s"; > res->clks[3].id = "axi_bridge"; > - res->clks[4].id = "rchng"; > > - ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); > + if (!of_device_is_compatible(dev->of_node, "qcom,pcie-ipq9574")) { > + res->clks[4].id = "iface"; > + num_clks++; > + } > + > + ret = devm_clk_bulk_get(dev, num_clks, res->clks); > if (ret < 0) > return ret; > > @@ -1664,6 +1668,7 @@ static const struct of_device_id qcom_pcie_match[] = { > { .compatible = "qcom,pcie-ipq8064-v2", .data = &cfg_2_1_0 }, > { .compatible = "qcom,pcie-ipq8074", .data = &cfg_2_3_3 }, > { .compatible = "qcom,pcie-ipq8074-gen3", .data = &cfg_2_9_0 }, > + { .compatible = "qcom,pcie-ipq9574", .data = &cfg_2_9_0 }, > { .compatible = "qcom,pcie-msm8996", .data = &cfg_2_3_2 }, > { .compatible = "qcom,pcie-qcs404", .data = &cfg_2_4_0 }, > { .compatible = "qcom,pcie-sa8540p", .data = &cfg_sc8280xp }, > -- > 2.40.1 > -- மணிவண்ணன் சதாசிவம்