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charset="utf-8" CMS-TYPE: 105P X-CMS-RootMailID: 20191021122630epcas5p32bd92762c4304035cad5c1822d96e304 References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Signed-off-by: Pankaj Dubey --- 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