Add PCIe dtsi node for PCIe0 controller on sc7280 platform. Signed-off-by: Krishna chaitanya chundru <quic_krichai@xxxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sc7280.dtsi | 144 ++++++++++++++++++++++++++++++++++- 1 file changed, 143 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index a0e8db8..8629575 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -868,7 +868,7 @@ reg = <0 0x00100000 0 0x1f0000>; clocks = <&rpmhcc RPMH_CXO_CLK>, <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>, - <0>, <&pcie1_lane>, + <&pcie0_lane>, <&pcie1_lane>, <0>, <0>, <0>, <0>; clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk", "pcie_0_pipe_clk", "pcie_1_pipe_clk", @@ -2088,6 +2088,123 @@ qcom,smem-state-names = "wlan-smp2p-out"; }; + pcie0: pci@1c00000 { + compatible = "qcom,pcie-sc7280"; + reg = <0 0x01c00000 0 0x3000>, + <0 0x60000000 0 0xf1d>, + <0 0x60000f20 0 0xa8>, + <0 0x60001000 0 0x1000>, + <0 0x60100000 0 0x100000>; + + reg-names = "parf", "dbi", "elbi", "atu", "config"; + 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 0x60200000 0x0 0x100000>, + <0x02000000 0x0 0x60300000 0x0 0x60300000 0x0 0x3d00000>; + + interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <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>; + + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>, + <&gcc GCC_PCIE_0_PIPE_CLK_SRC>, + <&pcie0_lane>, + <&rpmhcc RPMH_CXO_CLK>, + <&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>, + <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>, + <&gcc GCC_DDRSS_PCIE_SF_CLK>, + <&gcc GCC_AGGRE_NOC_PCIE_CENTER_SF_AXI_CLK>, + <&gcc GCC_AGGRE_NOC_PCIE_0_AXI_CLK>; + + clock-names = "pipe", + "pipe_mux", + "phy_pipe", + "ref", + "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a", + "tbu", + "ddrss_sf_tbu", + "aggre0", + "aggre1"; + + assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>; + assigned-clock-rates = <19200000>; + + resets = <&gcc GCC_PCIE_0_BCR>; + reset-names = "pci"; + + power-domains = <&gcc GCC_PCIE_0_GDSC>; + + phys = <&pcie0_lane>; + phy-names = "pciephy"; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie0_clkreq_n>, <&pcie0_reset_n>, <&pcie0_wake_n>; + + dma-coherent; + + interconnects = <&aggre1_noc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_PCIE_0 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + + iommu-map = <0x0 &apps_smmu 0x1c00 0x1>, + <0x100 &apps_smmu 0x1c01 0x1>; + + status = "disabled"; + }; + + pcie0_phy: phy@1c06000 { + compatible = "qcom,sm8250-qmp-gen3x1-pcie-phy"; + reg = <0 0x01c06000 0 0x1c0>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + clocks = <&gcc GCC_PCIE_0_AUX_CLK>, + <&gcc GCC_PCIE_0_CFG_AHB_CLK>, + <&gcc GCC_PCIE_CLKREF_EN>, + <&gcc GCC_PCIE0_PHY_RCHNG_CLK>; + clock-names = "aux", "cfg_ahb", "ref", "refgen"; + + resets = <&gcc GCC_PCIE_0_PHY_BCR>; + reset-names = "phy"; + + assigned-clocks = <&gcc GCC_PCIE0_PHY_RCHNG_CLK>; + assigned-clock-rates = <100000000>; + + status = "disabled"; + + pcie0_lane: phy@1c0e6200 { + reg = <0 0x01c06200 0 0x200>, /* tx */ + <0 0x01c06400 0 0x200>, /* rx */ + <0 0x01c06800 0 0x200>, /* pcs */ + <0 0x01c06c00 0 0x200>; /* pcs_pcie */ + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; + clock-names = "pipe0"; + + #phy-cells = <0>; + #clock-cells = <0>; + clock-output-names = "pcie_0_pipe_clk"; + }; + }; + pcie1: pci@1c08000 { compatible = "qcom,pcie-sc7280"; reg = <0 0x01c08000 0 0x3000>, @@ -4341,6 +4458,31 @@ function = "mi2s1_ws"; }; + pcie0_reset_n: pcie0-reset-n { + pins = "gpio87"; + function = "gpio"; + + drive-strength = <16>; + output-low; + bias-disable; + }; + + pcie0_wake_n: pcie0-wake-n { + pins = "gpio89"; + function = "gpio"; + + drive-strength = <2>; + bias-pull-up; + }; + + pcie0_clkreq_n: pcie0-clkreq-n-state { + pins = "gpio88"; + function = "pcie0_clkreqn"; + + bias-pull-up; + drive-strength = <2>; + }; + pcie1_clkreq_n: pcie1-clkreq-n-state { pins = "gpio79"; function = "pcie1_clkreqn"; -- 2.7.4