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Diffstat (limited to 'Documentation/devicetree/bindings/pci/qcom,pcie-qcs404.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/qcom,pcie-qcs404.yaml | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-qcs404.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-qcs404.yaml new file mode 100644 index 000000000000..99b3ed43b87c --- /dev/null +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-qcs404.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/qcom,pcie-qcs404.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QCS404 PCI Express Root Complex + +maintainers: + - Bjorn Andersson <andersson@kernel.org> + - Manivannan Sadhasivam <mani@kernel.org> + +properties: + compatible: + enum: + - qcom,pcie-qcs404 + + reg: + maxItems: 4 + + reg-names: + items: + - const: dbi + - const: elbi + - const: parf + - const: config + + clocks: + maxItems: 4 + + clock-names: + items: + - const: iface # AHB clock + - const: aux + - const: master_bus # AXI Master clock + - const: slave_bus # AXI Slave clock + + interrupts: + maxItems: 1 + + interrupt-names: + items: + - const: msi + + resets: + maxItems: 6 + + reset-names: + items: + - const: axi_m # AXI Master reset + - const: axi_s # AXI Slave reset + - const: axi_m_sticky # AXI Master Sticky reset + - const: pipe_sticky + - const: pwr + - const: ahb + +required: + - resets + - reset-names + +allOf: + - $ref: qcom,pcie-common.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-qcs404.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + pcie@10000000 { + compatible = "qcom,pcie-qcs404"; + reg = <0x10000000 0xf1d>, + <0x10000f20 0xa8>, + <0x07780000 0x2000>, + <0x10001000 0x2000>; + reg-names = "dbi", "elbi", "parf", "config"; + ranges = <0x81000000 0x0 0x00000000 0x10003000 0x0 0x00010000>, /* I/O */ + <0x82000000 0x0 0x10013000 0x10013000 0x0 0x007ed000>; /* memory */ + + device_type = "pci"; + linux,pci-domain = <0>; + bus-range = <0x00 0xff>; + num-lanes = <1>; + #address-cells = <3>; + #size-cells = <2>; + + clocks = <&gcc GCC_PCIE_0_CFG_AHB_CLK>, + <&gcc GCC_PCIE_0_AUX_CLK>, + <&gcc GCC_PCIE_0_MSTR_AXI_CLK>, + <&gcc GCC_PCIE_0_SLV_AXI_CLK>; + clock-names = "iface", "aux", "master_bus", "slave_bus"; + + interrupts = <GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 0x7>; + interrupt-map = <0 0 0 1 &intc GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, /* int_a */ + <0 0 0 2 &intc GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>, /* int_b */ + <0 0 0 3 &intc GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>, /* int_c */ + <0 0 0 4 &intc GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>; /* int_d */ + + phys = <&pcie_phy>; + phy-names = "pciephy"; + + perst-gpios = <&tlmm 43 GPIO_ACTIVE_LOW>; + + resets = <&gcc GCC_PCIE_0_AXI_MASTER_ARES>, + <&gcc GCC_PCIE_0_AXI_SLAVE_ARES>, + <&gcc GCC_PCIE_0_AXI_MASTER_STICKY_ARES>, + <&gcc GCC_PCIE_0_CORE_STICKY_ARES>, + <&gcc GCC_PCIE_0_BCR>, + <&gcc GCC_PCIE_0_AHB_ARES>; + reset-names = "axi_m", + "axi_s", + "axi_m_sticky", + "pipe_sticky", + "pwr", + "ahb"; + + pcie@0 { + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + bus-range = <0x01 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + }; |
