]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
arm64: dts: qcom: x1e80100: Add support for PCIe3 on x1e80100
authorQiang Yu <quic_qianyu@quicinc.com>
Tue, 5 Nov 2024 07:36:14 +0000 (23:36 -0800)
committerBjorn Andersson <andersson@kernel.org>
Tue, 12 Nov 2024 04:01:55 +0000 (22:01 -0600)
Describe PCIe3 controller and PHY. Also add required system resources like
regulators, clocks, interrupts and registers configuration for PCIe3.

Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20241105073615.3076979-1-quic_qianyu@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
arch/arm64/boot/dts/qcom/x1e80100.dtsi

index c4814567bb9c772bfc5e58eabd49eef3cccc897a..cfb331646d89253e5a44b11694bd3116a83f367b 100644 (file)
 
                        clocks = <&bi_tcxo_div2>,
                                 <&sleep_clk>,
-                                <0>,
+                                <&pcie3_phy>,
                                 <&pcie4_phy>,
                                 <&pcie5_phy>,
                                 <&pcie6a_phy>,
                        #interconnect-cells = <2>;
                };
 
+               pcie3: pcie@1bd0000 {
+                       device_type = "pci";
+                       compatible = "qcom,pcie-x1e80100";
+                       reg = <0x0 0x01bd0000 0x0 0x3000>,
+                             <0x0 0x78000000 0x0 0xf1d>,
+                             <0x0 0x78000f40 0x0 0xa8>,
+                             <0x0 0x78001000 0x0 0x1000>,
+                             <0x0 0x78100000 0x0 0x100000>,
+                             <0x0 0x01bd3000 0x0 0x1000>;
+                       reg-names = "parf",
+                                   "dbi",
+                                   "elbi",
+                                   "atu",
+                                   "config",
+                                   "mhi";
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+                       ranges = <0x01000000 0x0 0x00000000 0x0 0x78200000 0x0 0x100000>,
+                                <0x02000000 0x0 0x78300000 0x0 0x78300000 0x0 0x3d00000>,
+                                <0x03000000 0x7 0x40000000 0x7 0x40000000 0x0 0x40000000>;
+                       bus-range = <0x00 0xff>;
+
+                       dma-coherent;
+
+                       linux,pci-domain = <3>;
+                       num-lanes = <8>;
+
+                       interrupts = <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 769 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 836 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 671 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+                                    <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "msi0",
+                                         "msi1",
+                                         "msi2",
+                                         "msi3",
+                                         "msi4",
+                                         "msi5",
+                                         "msi6",
+                                         "msi7",
+                                         "global";
+
+                       #interrupt-cells = <1>;
+                       interrupt-map-mask = <0 0 0 0x7>;
+                       interrupt-map = <0 0 0 1 &intc 0 0 GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH>,
+                                       <0 0 0 2 &intc 0 0 GIC_SPI 221 IRQ_TYPE_LEVEL_HIGH>,
+                                       <0 0 0 3 &intc 0 0 GIC_SPI 237 IRQ_TYPE_LEVEL_HIGH>,
+                                       <0 0 0 4 &intc 0 0 GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
+
+                       clocks = <&gcc GCC_PCIE_3_AUX_CLK>,
+                                <&gcc GCC_PCIE_3_CFG_AHB_CLK>,
+                                <&gcc GCC_PCIE_3_MSTR_AXI_CLK>,
+                                <&gcc GCC_PCIE_3_SLV_AXI_CLK>,
+                                <&gcc GCC_PCIE_3_SLV_Q2A_AXI_CLK>,
+                                <&gcc GCC_CFG_NOC_PCIE_ANOC_NORTH_AHB_CLK>,
+                                <&gcc GCC_CNOC_PCIE_NORTH_SF_AXI_CLK>;
+                       clock-names = "aux",
+                                     "cfg",
+                                     "bus_master",
+                                     "bus_slave",
+                                     "slave_q2a",
+                                     "noc_aggr",
+                                     "cnoc_sf_axi";
+
+                       assigned-clocks = <&gcc GCC_PCIE_3_AUX_CLK>;
+                       assigned-clock-rates = <19200000>;
+
+                       interconnects = <&pcie_north_anoc MASTER_PCIE_3 QCOM_ICC_TAG_ALWAYS
+                                        &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+                                       <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+                                        &cnoc_main SLAVE_PCIE_3 QCOM_ICC_TAG_ALWAYS>;
+                       interconnect-names = "pcie-mem",
+                                            "cpu-pcie";
+
+                       resets = <&gcc GCC_PCIE_3_BCR>,
+                                <&gcc GCC_PCIE_3_LINK_DOWN_BCR>;
+                       reset-names = "pci",
+                                     "link_down";
+
+                       power-domains = <&gcc GCC_PCIE_3_GDSC>;
+
+                       phys = <&pcie3_phy>;
+                       phy-names = "pciephy";
+
+                       operating-points-v2 = <&pcie3_opp_table>;
+
+                       status = "disabled";
+
+                       pcie3_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 1 x2 and GEN 2 x1 */
+                               opp-5000000 {
+                                       opp-hz = /bits/ 64 <5000000>;
+                                       required-opps = <&rpmhpd_opp_low_svs>;
+                                       opp-peak-kBps = <500000 1>;
+                               };
+
+                               /* GEN 1 x4 and GEN 2 x2 */
+                               opp-10000000 {
+                                       opp-hz = /bits/ 64 <10000000>;
+                                       required-opps = <&rpmhpd_opp_low_svs>;
+                                       opp-peak-kBps = <1000000 1>;
+                               };
+
+                               /* GEN 1 x8 and GEN 2 x4 */
+                               opp-20000000 {
+                                       opp-hz = /bits/ 64 <20000000>;
+                                       required-opps = <&rpmhpd_opp_low_svs>;
+                                       opp-peak-kBps = <2000000 1>;
+                               };
+
+                               /* GEN 2 x8 */
+                               opp-40000000 {
+                                       opp-hz = /bits/ 64 <40000000>;
+                                       required-opps = <&rpmhpd_opp_low_svs>;
+                                       opp-peak-kBps = <4000000 1>;
+                               };
+
+                               /* GEN 3 x1 */
+                               opp-8000000 {
+                                       opp-hz = /bits/ 64 <8000000>;
+                                       required-opps = <&rpmhpd_opp_svs>;
+                                       opp-peak-kBps = <984500 1>;
+                               };
+
+                               /* GEN 3 x2 and GEN 4 x1 */
+                               opp-16000000 {
+                                       opp-hz = /bits/ 64 <16000000>;
+                                       required-opps = <&rpmhpd_opp_svs>;
+                                       opp-peak-kBps = <1969000 1>;
+                               };
+
+                               /* GEN 3 x4 and GEN 4 x2 */
+                               opp-32000000 {
+                                       opp-hz = /bits/ 64 <32000000>;
+                                       required-opps = <&rpmhpd_opp_svs>;
+                                       opp-peak-kBps = <3938000 1>;
+                               };
+
+                               /* GEN 3 x8 and GEN 4 x4 */
+                               opp-64000000 {
+                                       opp-hz = /bits/ 64 <64000000>;
+                                       required-opps = <&rpmhpd_opp_svs>;
+                                       opp-peak-kBps = <7876000 1>;
+                               };
+
+                               /* GEN 4 x8 */
+                               opp-128000000 {
+                                       opp-hz = /bits/ 64 <128000000>;
+                                       required-opps = <&rpmhpd_opp_svs>;
+                                       opp-peak-kBps = <15753000 1>;
+                               };
+                       };
+               };
+
+               pcie3_phy: phy@1be0000 {
+                       compatible = "qcom,x1e80100-qmp-gen4x8-pcie-phy";
+                       reg = <0 0x01be0000 0 0x10000>;
+
+                       clocks = <&gcc GCC_PCIE_3_PHY_AUX_CLK>,
+                                <&gcc GCC_PCIE_3_CFG_AHB_CLK>,
+                                <&tcsr TCSR_PCIE_8L_CLKREF_EN>,
+                                <&gcc GCC_PCIE_3_PHY_RCHNG_CLK>,
+                                <&gcc GCC_PCIE_3_PIPE_CLK>,
+                                <&gcc GCC_PCIE_3_PIPEDIV2_CLK>;
+                       clock-names = "aux",
+                                     "cfg_ahb",
+                                     "ref",
+                                     "rchng",
+                                     "pipe",
+                                     "pipediv2";
+
+                       resets = <&gcc GCC_PCIE_3_PHY_BCR>,
+                                <&gcc GCC_PCIE_3_NOCSR_COM_PHY_BCR>;
+                       reset-names = "phy",
+                                     "phy_nocsr";
+
+                       assigned-clocks = <&gcc GCC_PCIE_3_PHY_RCHNG_CLK>;
+                       assigned-clock-rates = <100000000>;
+
+                       power-domains = <&gcc GCC_PCIE_3_PHY_GDSC>;
+
+                       #clock-cells = <0>;
+                       clock-output-names = "pcie3_pipe_clk";
+
+                       #phy-cells = <0>;
+
+                       status = "disabled";
+               };
+
                pcie6a: pci@1bf8000 {
                        device_type = "pci";
                        compatible = "qcom,pcie-x1e80100";