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There is already 'reset-gpios' property defined for PERST# in pci-bus-common.yaml, so use that property instead of 'reset-gpio' in this file, for backward compatibility, do not remove the existing property in the bridge node, but mark them as 'deprecated' instead. Signed-off-by: Sherry Sun --- .../bindings/pci/fsl,imx6q-pcie.yaml | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 12a01f7a5744..74156b42e7a2 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -59,9 +59,12 @@ properties: - const: dma reset-gpio: + deprecated: true description: Should specify the GPIO for controlling the PCI bus device reset signal. It's not polarity aware and defaults to active-low reset sequence (L=reset state, H=operation state) (optional required). + This property is deprecated, instead of referencing this property from the + host bridge node, use the reset-gpios property from the root port node. reset-gpio-active-high: description: If present then the reset sequence using the GPIO @@ -69,6 +72,18 @@ properties: L=operation state) (optional required). type: boolean + pcie@0: + description: + Describe the i.MX6 PCIe Root Port. + type: object + $ref: /schemas/pci/pci-pci-bridge.yaml# + + properties: + reg: + maxItems: 1 + + unevaluatedProperties: false + required: - compatible - reg @@ -229,6 +244,7 @@ unevaluatedProperties: false examples: - | #include + #include #include pcie: pcie@1ffc000 { @@ -255,5 +271,18 @@ examples: <&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_REF_125M>; clock-names = "pcie", "pcie_bus", "pcie_phy"; + + pcie_port0: pcie@0 { + compatible = "pciclass,0604"; + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + bus-range = <0x01 0xff>; + + #address-cells = <3>; + #size-cells = <2>; + ranges; + + reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; + }; }; ... -- 2.37.1