diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 233 |
1 files changed, 41 insertions, 192 deletions
diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index f13f87fddb3d..81bbb8728f0f 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -13,6 +13,11 @@ maintainers: description: |+ This PCIe host controller is based on the Synopsys DesignWare PCIe IP and thus inherits all the common properties defined in snps,dw-pcie.yaml. + The controller instances are dual mode where in they can work either in + Root Port mode or Endpoint mode but one at a time. + + See fsl,imx6q-pcie-ep.yaml for details on the Endpoint mode device tree + bindings. properties: compatible: @@ -24,9 +29,6 @@ properties: - fsl,imx8mq-pcie - fsl,imx8mm-pcie - fsl,imx8mp-pcie - - fsl,imx8mm-pcie-ep - - fsl,imx8mq-pcie-ep - - fsl,imx8mp-pcie-ep reg: items: @@ -38,14 +40,6 @@ properties: - const: dbi - const: config - interrupts: - items: - - description: builtin MSI controller. - - interrupt-names: - items: - - const: msi - clocks: minItems: 3 items: @@ -53,88 +47,19 @@ properties: - description: PCIe bus clock. - description: PCIe PHY clock. - description: Additional required clock entry for imx6sx-pcie, - imx8mq-pcie. + imx6sx-pcie-ep, imx8mq-pcie, imx8mq-pcie-ep. clock-names: minItems: 3 - items: - - const: pcie - - const: pcie_bus - - enum: [ pcie_phy, pcie_aux ] - - enum: [ pcie_inbound_axi, pcie_aux ] - - num-lanes: - const: 1 - - fsl,imx7d-pcie-phy: - $ref: /schemas/types.yaml#/definitions/phandle - description: A phandle to an fsl,imx7d-pcie-phy node. Additional - required properties for imx7d-pcie and imx8mq-pcie. + maxItems: 4 - power-domains: - minItems: 1 + interrupts: items: - - description: The phandle pointing to the DISPLAY domain for - imx6sx-pcie, to PCIE_PHY power domain for imx7d-pcie and - imx8mq-pcie. - - description: The phandle pointing to the PCIE_PHY power domains - for imx6sx-pcie. + - description: builtin MSI controller. - power-domain-names: - minItems: 1 + interrupt-names: items: - - const: pcie - - const: pcie_phy - - resets: - minItems: 2 - maxItems: 3 - description: Phandles to PCIe-related reset lines exposed by SRC - IP block. Additional required by imx7d-pcie and imx8mq-pcie. - - reset-names: - minItems: 2 - maxItems: 3 - - fsl,tx-deemph-gen1: - description: Gen1 De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 0 - - fsl,tx-deemph-gen2-3p5db: - description: Gen2 (3.5db) De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 0 - - fsl,tx-deemph-gen2-6db: - description: Gen2 (6db) De-emphasis value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 20 - - fsl,tx-swing-full: - description: Gen2 TX SWING FULL value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 127 - - fsl,tx-swing-low: - description: TX launch amplitude swing_low value (optional required). - $ref: /schemas/types.yaml#/definitions/uint32 - default: 127 - - fsl,max-link-speed: - description: Specify PCI Gen for link capability (optional required). - Note that the IMX6 LVDS clock outputs do not meet gen2 jitter - requirements and thus for gen2 capability a gen2 compliant clock - generator should be used and configured. - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [1, 2, 3, 4] - default: 1 - - phys: - maxItems: 1 - - phy-names: - const: pcie-phy + - const: msi reset-gpio: description: Should specify the GPIO for controlling the PCI bus device @@ -147,17 +72,6 @@ properties: L=operation state) (optional required). type: boolean - vpcie-supply: - description: Should specify the regulator in charge of PCIe port power. - The regulator will be enabled when initializing the PCIe host and - disabled either as part of the init process or when shutting down - the host (optional required). - - vph-supply: - description: Should specify the regulator in charge of VPH one of - the three PCIe PHY powers. This regulator can be supplied by both - 1.8v and 3.3v voltage supplies (optional required). - required: - compatible - reg @@ -167,144 +81,79 @@ required: - device_type - bus-range - ranges - - num-lanes - interrupts - interrupt-names - "#interrupt-cells" - interrupt-map-mask - interrupt-map - - clocks - - clock-names allOf: - $ref: /schemas/pci/snps,dw-pcie.yaml# + - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml# - if: properties: compatible: - contains: - const: fsl,imx6sx-pcie + enum: + - fsl,imx6sx-pcie then: properties: + clocks: + minItems: 4 clock-names: items: - - {} - - {} + - const: pcie + - const: pcie_bus - const: pcie_phy - const: pcie_inbound_axi - power-domains: - minItems: 2 - power-domain-names: - minItems: 2 + - if: properties: compatible: - contains: - const: fsl,imx8mq-pcie + enum: + - fsl,imx8mq-pcie then: properties: + clocks: + minItems: 4 clock-names: items: - - {} - - {} + - const: pcie + - const: pcie_bus - const: pcie_phy - const: pcie_aux + - if: properties: compatible: - not: - contains: - enum: - - fsl,imx6sx-pcie - - fsl,imx8mq-pcie + enum: + - fsl,imx6q-pcie + - fsl,imx6qp-pcie + - fsl,imx7d-pcie then: properties: clocks: maxItems: 3 clock-names: - maxItems: 3 + items: + - const: pcie + - const: pcie_bus + - const: pcie_phy - if: properties: compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - - fsl,imx7d-pcie + enum: + - fsl,imx8mm-pcie + - fsl,imx8mp-pcie then: properties: - clock-names: + clocks: maxItems: 3 - contains: - const: pcie_phy - - - if: - properties: - compatible: - contains: - enum: - - fsl,imx8mm-pcie - - fsl,imx8mp-pcie - then: - properties: clock-names: - maxItems: 3 - contains: - const: pcie_aux - - if: - properties: - compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - then: - properties: - power-domains: false - power-domain-names: false - - - if: - not: - properties: - compatible: - contains: - enum: - - fsl,imx6sx-pcie - - fsl,imx6q-pcie - - fsl,imx6qp-pcie - then: - properties: - power-domains: - maxItems: 1 - power-domain-names: false - - - if: - properties: - compatible: - contains: - enum: - - fsl,imx6q-pcie - - fsl,imx6sx-pcie - - fsl,imx6qp-pcie - - fsl,imx7d-pcie - - fsl,imx8mq-pcie - then: - properties: - resets: - minItems: 3 - reset-names: items: - - const: pciephy - - const: apps - - const: turnoff - else: - properties: - resets: - maxItems: 2 - reset-names: - items: - - const: apps - - const: turnoff + - const: pcie + - const: pcie_bus + - const: pcie_aux unevaluatedProperties: false |