diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml new file mode 100644 index 000000000000..125136176f93 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-common.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/qcom,pcie-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm PCI Express Root Complex Common Properties + +maintainers: + - Bjorn Andersson + - Manivannan Sadhasivam + +properties: + reg: + minItems: 4 + maxItems: 6 + + reg-names: + minItems: 4 + maxItems: 6 + + interrupts: + minItems: 1 + maxItems: 8 + + interrupt-names: + minItems: 1 + maxItems: 8 + + iommu-map: + minItems: 1 + maxItems: 16 + + clocks: + minItems: 3 + maxItems: 13 + + clock-names: + minItems: 3 + maxItems: 13 + + dma-coherent: true + + interconnects: + maxItems: 2 + + interconnect-names: + items: + - const: pcie-mem + - const: cpu-pcie + + phys: + maxItems: 1 + + phy-names: + items: + - const: pciephy + + power-domains: + maxItems: 1 + + resets: + minItems: 1 + maxItems: 12 + + reset-names: + minItems: 1 + maxItems: 12 + + perst-gpios: + description: GPIO controlled connection to PERST# signal + maxItems: 1 + + wake-gpios: + description: GPIO controlled connection to WAKE# signal + maxItems: 1 + +required: + - reg + - reg-names + - interrupt-map-mask + - interrupt-map + - clocks + - clock-names + +anyOf: + - required: + - interrupts + - interrupt-names + - "#interrupt-cells" + - required: + - msi-map + - msi-map-mask + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + +additionalProperties: true diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml new file mode 100644 index 000000000000..24cb38673581 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml @@ -0,0 +1,171 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/qcom,pcie-sm8550.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SM8550 PCI Express Root Complex + +maintainers: + - Bjorn Andersson + - Manivannan Sadhasivam + +description: + Qualcomm SM8550 SoC (and compatible) PCIe root complex controller is based on + the Synopsys DesignWare PCIe IP. + +properties: + compatible: + oneOf: + - const: qcom,pcie-sm8550 + - items: + - enum: + - qcom,pcie-sm8650 + - const: qcom,pcie-sm8550 + + reg: + minItems: 5 + maxItems: 6 + + reg-names: + minItems: 5 + items: + - const: parf # Qualcomm specific registers + - const: dbi # DesignWare PCIe registers + - const: elbi # External local bus interface registers + - const: atu # ATU address space + - const: config # PCIe configuration space + - const: mhi # MHI registers + + clocks: + minItems: 7 + maxItems: 8 + + clock-names: + minItems: 7 + items: + - const: aux # Auxiliary clock + - const: cfg # Configuration clock + - const: bus_master # Master AXI clock + - const: bus_slave # Slave AXI clock + - const: slave_q2a # Slave Q2A clock + - const: ddrss_sf_tbu # PCIe SF TBU clock + - const: noc_aggr # Aggre NoC PCIe AXI clock + - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock + + interrupts: + minItems: 8 + maxItems: 8 + + interrupt-names: + items: + - const: msi0 + - const: msi1 + - const: msi2 + - const: msi3 + - const: msi4 + - const: msi5 + - const: msi6 + - const: msi7 + + resets: + minItems: 1 + maxItems: 2 + + reset-names: + minItems: 1 + items: + - const: pci # PCIe core reset + - const: link_down # PCIe link down reset + +allOf: + - $ref: qcom,pcie-common.yaml# + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie@1c00000 { + compatible = "qcom,pcie-sm8550"; + 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"; + ranges = <0x01000000 0x0 0x00000000 0x0 0x60200000 0x0 0x100000>, + <0x02000000 0x0 0x60300000 0x0 0x60300000 0x0 0x3d00000>; + + bus-range = <0x00 0xff>; + device_type = "pci"; + linux,pci-domain = <0>; + num-lanes = <2>; + + #address-cells = <3>; + #size-cells = <2>; + + clocks = <&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_DDRSS_PCIE_SF_QTB_CLK>, + <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>; + clock-names = "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a", + "ddrss_sf_tbu", + "noc_aggr"; + + dma-coherent; + + interrupts = , + , + , + , + , + , + , + ; + interrupt-names = "msi0", "msi1", "msi2", "msi3", + "msi4", "msi5", "msi6", "msi7"; + #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>, /* int_a */ + <0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>, /* int_b */ + <0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ + <0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + + interconnects = <&pcie_noc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &cnoc_main SLAVE_PCIE_0 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + + iommu-map = <0x0 &apps_smmu 0x1400 0x1>, + <0x100 &apps_smmu 0x1401 0x1>; + + phys = <&pcie0_phy>; + phy-names = "pciephy"; + + pinctrl-0 = <&pcie0_default_state>; + pinctrl-names = "default"; + + power-domains = <&gcc PCIE_0_GDSC>; + + resets = <&gcc GCC_PCIE_0_BCR>; + reset-names = "pci"; + + perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml index a93ab3b54066..3b7dd9a4ef60 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml @@ -40,11 +40,6 @@ properties: - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 - - qcom,pcie-sm8550 - - items: - - enum: - - qcom,pcie-sm8650 - - const: qcom,pcie-sm8550 - items: - const: qcom,pcie-msm8998 - const: qcom,pcie-msm8996 @@ -226,7 +221,6 @@ allOf: - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 - - qcom,pcie-sm8550 then: properties: reg: @@ -715,37 +709,6 @@ allOf: items: - const: pci # PCIe core reset - - if: - properties: - compatible: - contains: - enum: - - qcom,pcie-sm8550 - then: - properties: - clocks: - minItems: 7 - maxItems: 8 - clock-names: - minItems: 7 - items: - - const: aux # Auxiliary clock - - const: cfg # Configuration clock - - const: bus_master # Master AXI clock - - const: bus_slave # Slave AXI clock - - const: slave_q2a # Slave Q2A clock - - const: ddrss_sf_tbu # PCIe SF TBU clock - - const: noc_aggr # Aggre NoC PCIe AXI clock - - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock - resets: - minItems: 1 - maxItems: 2 - reset-names: - minItems: 1 - items: - - const: pci # PCIe core reset - - const: link_down # PCIe link down reset - - if: properties: compatible: @@ -883,7 +846,6 @@ allOf: - qcom,pcie-sm8350 - qcom,pcie-sm8450-pcie0 - qcom,pcie-sm8450-pcie1 - - qcom,pcie-sm8550 then: oneOf: - properties: