Commit 1a2cead1 authored by Marek Vasut's avatar Marek Vasut Committed by Rob Herring
Browse files

dt-bindings: imx6q-pcie: Handle more resets on legacy platforms 



The i.MX6 and i.MX7D does not use block controller to toggle PCIe
reset, hence the PCIe DT description contains three reset entries
on these older SoCs. Add this exception into the binding document.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20221211024859.672076-3-marex@denx.de


Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent 8b8161ed

Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml

+31 −4
Original line number Diff line number Diff line
@@ -84,15 +84,14 @@ properties: 
      - 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:

    items:

      - const: pciephy

      - const: apps

      - const: turnoff

    minItems: 2

    maxItems: 3



  fsl,tx-deemph-gen1:

    description: Gen1 De-emphasis value (optional required).
@@ -276,6 +275,34 @@ allOf: 
          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



unevaluatedProperties: false



examples: