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@xxxxxxxxxxx> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> Reviewed-by: Johan Hovold <johan+linaro@xxxxxxxxxx> --- v8->v9: 1. Use pcie_north_anoc for PCIe3 2. Remove [PATCH v8 1/5], [PATCH v8 2/5], [PATCH v8 3/5] and [PATCH v8 4/5] as they were applied. 3. Link to v8: https://lore.kernel.org/all/20241101030902.579789-1-quic_qianyu@xxxxxxxxxxx/ v7->v8: 1. Add Reviewed-by tags 2. Rephrase commit message and remove Fix tags 3. Add Synopsis IP revision and put ops_1_21_0 after ops_1_9_0. 4. Remove [PATCH v7 1/7] and [PATCH v7 4/7] as they were applied 5. Link to v7: https://lore.kernel.org/all/20241017030412.265000-1-quic_qianyu@xxxxxxxxxxx/ v6->v7: 1. Add Acked-by and Reviewed-by tags 2. Use 70574511f3f ("PCI: qcom: Add support for SC8280XP") in Fixes tag 3. Keep minItem of interrupt as 8 in buindings 4. Reword commit msg 5. Remove [PATCH v6 5/8] clk: qcom: gcc-x1e80100: Fix halt_check for pipediv2 clocks as it was applied 6. Link to v6: https://lore.kernel.org/linux-pci/20241011104142.1181773-1-quic_qianyu@xxxxxxxxxxx/ v5->v6: 1. Add Fixes tag 2. Split [PATCH v5 6/7] into two patches 3. Reword commit msg 4. Link to v5: https://lore.kernel.org/linux-pci/20241009091540.1446-1-quic_qianyu@xxxxxxxxxxx/ v4->v5: 1. Add Reviewed-by tag 2. Expand and clarify usage of txz/rxz in commit message 3. Add comments that txz/rxz must be programmed before tx/rx 4. Change the sort order for phy register tbls 5. Use the order defined in struct qmp_phy_cfg_tbls for phy register tbls presented in x1e80100_qmp_gen4x8_pciephy_cfg 6. Add Fixes and CC stable tag 7. Fix ops for SC8280X and X1E80100 8. Document global interrupt in bindings 9. Link to v4: https://lore.kernel.org/all/20240924101444.3933828-1-quic_qianyu@xxxxxxxxxxx/ v3->v4: 1. Reword commit msg of [PATCH v3 5/6] 2. Drop opp-table property from qcom,pcie-sm8450.yaml 3. Add Reviewed-by tag 4. Link to v3: https://lore.kernel.org/all/20240923125713.3411487-1-quic_qianyu@xxxxxxxxxxx/ v2->v3: 1. Use 'Gen 4 x8' in commit msg 2. Move opp-table property to qcom,pcie-common.yaml 3. Add Reviewed-by tag 4. Add global interrupt and use GIC_SPI for the parent interrupt specifier 5. Use 0x0 in reg property and use pcie@ for pcie3 device node 6. Show different IP version v6.30 in commit msg 7. Add logic in controller driver to have new ops for x1e80100 8. Link to v2: https://lore.kernel.org/all/20240913083724.1217691-1-quic_qianyu@xxxxxxxxxxx/ v2->v1: 1. Squash [PATCH 1/8], [PATCH 2/8],[PATCH 3/8] into one patch and make the indentation consistent. 2. Put dts patch at the end of the patchset. 3. Put dt-binding patch at the first of the patchset. 4. Add a new patch where opp-table is added in dt-binding to avoid dtbs checking error. 5. Remove GCC_PCIE_3_AUX_CLK, RPMH_CXO_CLK, put in TCSR_PCIE_8L_CLKREF_EN as ref. 6. Remove lane_broadcasting. 7. Add 64 bit bar, Remove GCC_PCIE_3_PIPE_CLK_SRC, GCC_CFG_NOC_PCIE_ANOC_SOUTH_AHB_CLK is changed to GCC_CFG_NOC_PCIE_ANOC_NORTH_AHB_CLK. 8. Add Reviewed-by tag. 9. Remove [PATCH 7/8], [PATCH 8/8]. 10. Link to v1: https://lore.kernel.org/all/20240827063631.3932971-1-quic_qianyu@xxxxxxxxxxx/ arch/arm64/boot/dts/qcom/x1e80100.dtsi | 204 ++++++++++++++++++++++++- 1 file changed, 203 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi index f70a7e00ed50..f044921457d0 100644 --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi @@ -743,7 +743,7 @@ gcc: clock-controller@100000 { clocks = <&bi_tcxo_div2>, <&sleep_clk>, - <0>, + <&pcie3_phy>, <&pcie4_phy>, <&pcie5_phy>, <&pcie6a_phy>, @@ -2906,6 +2906,208 @@ mmss_noc: interconnect@1780000 { #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"; -- 2.34.1
