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Diffstat (limited to 'Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml')
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diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml new file mode 100644 index 0000000000..efde49d1be --- /dev/null +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sa8775p.yaml @@ -0,0 +1,166 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/qcom,pcie-sa8775p.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SA8775p PCI Express Root Complex + +maintainers: + - Bjorn Andersson <andersson@kernel.org> + - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> + +description: + Qualcomm SA8775p SoC PCIe root complex controller is based on the Synopsys + DesignWare PCIe IP. + +properties: + compatible: + const: qcom,pcie-sa8775p + + reg: + minItems: 6 + maxItems: 6 + + reg-names: + 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: 5 + maxItems: 5 + + clock-names: + 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 + + 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: + maxItems: 1 + + reset-names: + items: + - const: pci + +required: + - interconnects + - interconnect-names + +allOf: + - $ref: qcom,pcie-common.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,sa8775p-gcc.h> + #include <dt-bindings/clock/qcom,rpmh.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie@1c00000 { + compatible = "qcom,pcie-sa8775p"; + reg = <0x0 0x01c00000 0x0 0x3000>, + <0x0 0x40000000 0x0 0xf20>, + <0x0 0x40000f20 0x0 0xa8>, + <0x0 0x40001000 0x0 0x4000>, + <0x0 0x40100000 0x0 0x100000>, + <0x0 0x01c03000 0x0 0x1000>; + reg-names = "parf", "dbi", "elbi", "atu", "config", "mhi"; + ranges = <0x01000000 0x0 0x00000000 0x0 0x40200000 0x0 0x100000>, + <0x02000000 0x0 0x40300000 0x0 0x40300000 0x0 0x1fd00000>; + + bus-range = <0x00 0xff>; + device_type = "pci"; + linux,pci-domain = <0>; + num-lanes = <2>; + + #address-cells = <3>; + #size-cells = <2>; + + assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>; + assigned-clock-rates = <19200000>; + + 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>; + clock-names = "aux", + "cfg", + "bus_master", + "bus_slave", + "slave_q2a"; + + dma-coherent; + + interrupts = <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>; + 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 GIC_SPI 434 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &intc GIC_SPI 435 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &intc GIC_SPI 438 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &intc GIC_SPI 439 IRQ_TYPE_LEVEL_HIGH>; + + interconnects = <&pcie_anoc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>; + interconnect-names = "pcie-mem", "cpu-pcie"; + + iommu-map = <0x0 &pcie_smmu 0x0000 0x1>, + <0x100 &pcie_smmu 0x0001 0x1>; + + phys = <&pcie0_phy>; + phy-names = "pciephy"; + + power-domains = <&gcc PCIE_0_GDSC>; + + resets = <&gcc GCC_PCIE_0_BCR>; + reset-names = "pci"; + + perst-gpios = <&tlmm 2 GPIO_ACTIVE_LOW>; + wake-gpios = <&tlmm 0 GPIO_ACTIVE_HIGH>; + }; + }; |