arm64: dts: qcom: sm8150: Add PCIe nodes
authorBhupesh Sharma <bhupesh.sharma@linaro.org>
Sat, 26 Mar 2022 05:57:53 +0000 (11:27 +0530)
committerBjorn Andersson <bjorn.andersson@linaro.org>
Sat, 9 Apr 2022 00:31:16 +0000 (19:31 -0500)
Add nodes for the two PCIe controllers found on the SM8150 SoC.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220326055754.1796146-2-bhupesh.sharma@linaro.org
arch/arm64/boot/dts/qcom/sm8150.dtsi

index f4f639f..13547c1 100644 (file)
                        interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
                };
 
+               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 = <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 0 149 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 = <GIC_SPI 307 IRQ_TYPE_EDGE_RISING>;
+                       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";
                                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 {