From: Bhupesh Sharma Date: Sat, 26 Mar 2022 05:57:53 +0000 (+0530) Subject: arm64: dts: qcom: sm8150: Add PCIe nodes X-Git-Tag: v6.6.17~7444^2~12^2~147 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a1c86c6805336503ad2460426736456cc324d4a3;p=platform%2Fkernel%2Flinux-rpi.git arm64: dts: qcom: sm8150: Add PCIe nodes Add nodes for the two PCIe controllers found on the SM8150 SoC. Cc: Bjorn Andersson Cc: Rob Herring Signed-off-by: Bhupesh Sharma Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20220326055754.1796146-2-bhupesh.sharma@linaro.org --- diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index f4f639f..13547c1 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -1746,6 +1746,203 @@ interrupts = ; }; + pcie0: pci@1c00000 { + compatible = "qcom,pcie-sm8150", "snps,dw-pcie"; + 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 0x60200000 0 0x60200000 0x0 0x100000>, + <0x02000000 0x0 0x60300000 0 0x60300000 0x0 0x3d00000>; + + interrupts = ; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &intc 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */ + <0 0 0 2 &intc 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */ + <0 0 0 3 &intc 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ + <0 0 0 4 &intc 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + + clocks = <&gcc GCC_PCIE_0_PIPE_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>; + clock-names = "pipe", + "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a", + "tbu"; + + iommus = <&apps_smmu 0x1d80 0x7f>; + iommu-map = <0x0 &apps_smmu 0x1d80 0x1>, + <0x100 &apps_smmu 0x1d81 0x1>; + + resets = <&gcc GCC_PCIE_0_BCR>; + reset-names = "pci"; + + power-domains = <&gcc PCIE_0_GDSC>; + + phys = <&pcie0_lane>; + phy-names = "pciephy"; + + perst-gpio = <&tlmm 35 GPIO_ACTIVE_HIGH>; + enable-gpio = <&tlmm 37 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie0_default_state>; + + status = "disabled"; + }; + + pcie0_phy: phy@1c06000 { + compatible = "qcom,sm8150-qmp-gen3x1-pcie-phy"; + reg = <0 0x01c06000 0 0x1c0>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>, + <&gcc GCC_PCIE_0_CFG_AHB_CLK>, + <&gcc GCC_PCIE0_PHY_REFGEN_CLK>; + clock-names = "aux", "cfg_ahb", "refgen"; + + resets = <&gcc GCC_PCIE_0_PHY_BCR>; + reset-names = "phy"; + + assigned-clocks = <&gcc GCC_PCIE0_PHY_REFGEN_CLK>; + assigned-clock-rates = <100000000>; + + status = "disabled"; + + pcie0_lane: phy@1c06200 { + reg = <0 0x1c06200 0 0x170>, /* tx */ + <0 0x1c06400 0 0x200>, /* rx */ + <0 0x1c06800 0 0x1f0>, /* pcs */ + <0 0x1c06c00 0 0xf4>; /* "pcs_lane" same as pcs_misc? */ + clocks = <&gcc GCC_PCIE_0_PIPE_CLK>; + clock-names = "pipe0"; + + #phy-cells = <0>; + clock-output-names = "pcie_0_pipe_clk"; + }; + }; + + pcie1: pci@1c08000 { + compatible = "qcom,pcie-sm8150", "snps,dw-pcie"; + reg = <0 0x01c08000 0 0x3000>, + <0 0x40000000 0 0xf1d>, + <0 0x40000f20 0 0xa8>, + <0 0x40001000 0 0x1000>, + <0 0x40100000 0 0x100000>; + reg-names = "parf", "dbi", "elbi", "atu", "config"; + device_type = "pci"; + linux,pci-domain = <1>; + bus-range = <0x00 0xff>; + num-lanes = <2>; + + #address-cells = <3>; + #size-cells = <2>; + + ranges = <0x01000000 0x0 0x40200000 0x0 0x40200000 0x0 0x100000>, + <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>; + + interrupts = ; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &intc 0 434 IRQ_TYPE_LEVEL_HIGH>, /* int_a */ + <0 0 0 2 &intc 0 435 IRQ_TYPE_LEVEL_HIGH>, /* int_b */ + <0 0 0 3 &intc 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ + <0 0 0 4 &intc 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>, + <&gcc GCC_PCIE_1_AUX_CLK>, + <&gcc GCC_PCIE_1_CFG_AHB_CLK>, + <&gcc GCC_PCIE_1_MSTR_AXI_CLK>, + <&gcc GCC_PCIE_1_SLV_AXI_CLK>, + <&gcc GCC_PCIE_1_SLV_Q2A_AXI_CLK>, + <&gcc GCC_AGGRE_NOC_PCIE_TBU_CLK>; + clock-names = "pipe", + "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a", + "tbu"; + + assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>; + assigned-clock-rates = <19200000>; + + iommus = <&apps_smmu 0x1e00 0x7f>; + iommu-map = <0x0 &apps_smmu 0x1e00 0x1>, + <0x100 &apps_smmu 0x1e01 0x1>; + + resets = <&gcc GCC_PCIE_1_BCR>; + reset-names = "pci"; + + power-domains = <&gcc PCIE_1_GDSC>; + + phys = <&pcie1_lane>; + phy-names = "pciephy"; + + perst-gpio = <&tlmm 102 GPIO_ACTIVE_HIGH>; + enable-gpio = <&tlmm 104 GPIO_ACTIVE_HIGH>; + + pinctrl-names = "default"; + pinctrl-0 = <&pcie1_default_state>; + + status = "disabled"; + }; + + pcie1_phy: phy@1c0e000 { + compatible = "qcom,sm8150-qmp-gen3x2-pcie-phy"; + reg = <0 0x01c0e000 0 0x1c0>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>, + <&gcc GCC_PCIE_1_CFG_AHB_CLK>, + <&gcc GCC_PCIE1_PHY_REFGEN_CLK>; + clock-names = "aux", "cfg_ahb", "refgen"; + + resets = <&gcc GCC_PCIE_1_PHY_BCR>; + reset-names = "phy"; + + assigned-clocks = <&gcc GCC_PCIE1_PHY_REFGEN_CLK>; + assigned-clock-rates = <100000000>; + + status = "disabled"; + + pcie1_lane: phy@1c0e200 { + reg = <0 0x1c0e200 0 0x170>, /* tx0 */ + <0 0x1c0e400 0 0x200>, /* rx0 */ + <0 0x1c0ea00 0 0x1f0>, /* pcs */ + <0 0x1c0e600 0 0x170>, /* tx1 */ + <0 0x1c0e800 0 0x200>, /* rx1 */ + <0 0x1c0ee00 0 0xf4>; /* "pcs_com" same as pcs_misc? */ + clocks = <&gcc GCC_PCIE_1_PIPE_CLK>; + clock-names = "pipe0"; + + #phy-cells = <0>; + clock-output-names = "pcie_1_pipe_clk"; + }; + }; + ufs_mem_hc: ufshc@1d84000 { compatible = "qcom,sm8150-ufshc", "qcom,ufshc", "jedec,ufs-2.0"; @@ -2450,6 +2647,52 @@ drive-strength = <6>; bias-disable; }; + + pcie0_default_state: pcie0-default { + perst { + pins = "gpio35"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + clkreq { + pins = "gpio36"; + function = "pci_e0"; + drive-strength = <2>; + bias-pull-up; + }; + + wake { + pins = "gpio37"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; + + pcie1_default_state: pcie1-default { + perst { + pins = "gpio102"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; + + clkreq { + pins = "gpio103"; + function = "pci_e1"; + drive-strength = <2>; + bias-pull-up; + }; + + wake { + pins = "gpio104"; + function = "gpio"; + drive-strength = <2>; + bias-pull-up; + }; + }; }; remoteproc_mpss: remoteproc@4080000 {