RE: [PATCH 1/2] dt-bindings: PCI: designware: Add binding for ZRX-DC PHY property

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On Mon, Oct 21, 2019 at 13:25:55, Anvesh Salveru <anvesh.s@xxxxxxxxxxx> 
wrote:

> Add support for ZRX-DC compliant PHYs. If PHY is not compliant to ZRX-DC
> specification, then after every 100ms link should transition to recovery
> state during the low power states which increases power consumption.
> 
> Platforms with ZRX-DC compliant PHY can use "snps,phy-zrxdc-compliant"
> property in DesignWare controller DT node.
> 
> Signed-off-by: Anvesh Salveru <anvesh.s@xxxxxxxxxxx>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/pci/designware-pcie.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> index 78494c4050f7..9507ac38ac89 100644
> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> @@ -38,6 +38,8 @@ Optional properties:
>     for data corruption. CDM registers include standard PCIe configuration
>     space registers, Port Logic registers, DMA and iATU (internal Address
>     Translation Unit) registers.
> +- snps,phy-zrxdc-compliant: This property is needed if phy complies with the
> +  ZRX-DC specification.
>  RC mode:
>  - num-viewport: number of view ports configured in hardware. If a platform
>    does not specify it, the driver assumes 2.
> -- 
> 2.17.1


Reviewed-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>






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