On Fri, Nov 22, 2024 at 10:33:13AM +0800, Ziyue Zhang wrote: The way we say "this is a DT patch for qcs615" is by prefixing the subject "arm64: dts: qcom: qcs615: ", there's therefor no reason to include "for qcs615" in the tail of the subject. You can further drop the "soc" tail, as you said "qcs615" and not e.g. "qcs615-ride". > Add configurations in devicetree for PCIe0, including registers, clocks, > interrupts and phy setting sequence. > > Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx> Patch has wrong Author. > Signed-off-by: Ziyue Zhang <quic_ziyuzhan@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/qcom/qcs615.dtsi | 158 +++++++++++++++++++++++++++ > 1 file changed, 158 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi > index 868808918fd2..c56cc30a59f3 100644 > --- a/arch/arm64/boot/dts/qcom/qcs615.dtsi > +++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi > @@ -678,6 +678,164 @@ rpmhpd_opp_turbo_l1: opp-9 { > }; > }; > > + pcie: pcie@1c08000 { This node looks to be in the wrong place. Regards, Bjorn > + compatible = "qcom,pcie-qcs615"; > + reg = <0x0 0x01c08000 0x0 0x3000>, > + <0x0 0x40000000 0x0 0xf1d>, > + <0x0 0x40000f20 0x0 0xa8>, > + <0x0 0x40001000 0x0 0x1000>, > + <0x0 0x40100000 0x0 0x100000>, > + <0x0 0x01c0b000 0x0 0x1000>; > + > + reg-names = "parf", > + "dbi", > + "elbi", > + "atu", > + "config", > + "mhi"; > + > + device_type = "pci"; > + linux,pci-domain = <0>; > + bus-range = <0x00 0xff>; > + num-lanes = <1>; > + > + #address-cells = <3>; > + #size-cells = <2>; > + > + ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>, > + <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>; > + > + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "msi0", > + "msi1", > + "msi2", > + "msi3", > + "msi4", > + "msi5", > + "msi6", > + "msi7", > + "global"; > + > + interrupt-map = <0 0 0 0 &intc 0 0 0 140 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, > + <0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; > + > + #interrupt-cells = <1>; > + interrupt-map-mask = <0 0 0 0x7>; > + > + interconnects = <&aggre1_noc MASTER_PCIE QCOM_ICC_TAG_ALWAYS > + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>, > + <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS > + &config_noc SLAVE_PCIE_0 QCOM_ICC_TAG_ALWAYS>; > + interconnect-names = "pcie-mem", "cpu-pcie"; > + > + clocks = <&gcc GCC_PCIE_0_AUX_CLK>, > + <&gcc GCC_PCIE_0_CFG_AHB_CLK>, > + <&gcc GCC_PCIE_0_MSTR_AXI_CLK>, > + <&gcc GCC_PCIE_0_SLV_AXI_CLK>, > + <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>, > + <&rpmhcc RPMH_CXO_CLK>; > + > + clock-names = "aux", > + "cfg", > + "bus_master", > + "bus_slave", > + "slave_q2a", > + "ref"; > + > + assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>; > + assigned-clock-rates = <19200000>; > + > + operating-points-v2 = <&pcie_opp_table>; > + > + resets = <&gcc GCC_PCIE_0_BCR>; > + reset-names = "pci"; > + > + phys = <&pcie_phy>; > + phy-names = "pciephy"; > + > + power-domains = <&gcc PCIE_0_GDSC>; > + > + dma-coherent; > + > + iommu-map = <0x0 &apps_smmu 0x400 0x1>, > + <0x100 &apps_smmu 0x401 0x1>; > + > + status = "disabled"; > + pcie_opp_table: opp-table { > + compatible = "operating-points-v2"; > + > + /* GEN 1 x1 */ > + opp-2500000 { > + opp-hz = /bits/ 64 <2500000>; > + required-opps = <&rpmhpd_opp_low_svs>; > + opp-peak-kBps = <250000 1>; > + }; > + > + /* GEN 2 x1 */ > + opp-5000000 { > + opp-hz = /bits/ 64 <5000000>; > + required-opps = <&rpmhpd_opp_low_svs>; > + opp-peak-kBps = <500000 1>; > + }; > + > + /* GEN 3 x1 */ > + opp-8000000 { > + opp-hz = /bits/ 64 <8000000>; > + required-opps = <&rpmhpd_opp_svs_l1>; > + opp-peak-kBps = <984500 1>; > + }; > + }; > + > + pcie@0 { > + device_type = "pci"; > + reg = <0x0 0x0 0x0 0x0 0x0>; > + bus-range = <0x01 0xff>; > + > + #address-cells = <3>; > + #size-cells = <2>; > + ranges; > + }; > + }; > + > + pcie_phy: phy@1c0e000 { > + compatible = "qcom,qcs615-qmp-gen3x1-pcie-phy"; > + reg = <0x0 0x01c0e000 0x0 0x1000>; > + > + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>, > + <&gcc GCC_PCIE_0_CFG_AHB_CLK>, > + <&gcc GCC_PCIE_0_CLKREF_CLK>, > + <&gcc GCC_PCIE0_PHY_REFGEN_CLK>, > + <&gcc GCC_PCIE_0_PIPE_CLK>; > + clock-names = "aux", > + "cfg_ahb", > + "ref", > + "refgen", > + "pipe"; > + > + clock-output-names = "pcie_0_pipe_clk"; > + #clock-cells = <0>; > + > + #phy-cells = <0>; > + > + resets = <&gcc GCC_PCIE_0_PHY_BCR>; > + reset-names = "phy"; > + > + assigned-clocks = <&gcc GCC_PCIE0_PHY_REFGEN_CLK>; > + assigned-clock-rates = <100000000>; > + > + status = "disabled"; > + }; > + > arch_timer: timer { > compatible = "arm,armv8-timer"; > interrupts = <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>, > -- > 2.34.1 >