Messages in this thread | | | From | Christian Gmeiner <> | Date | Tue, 9 May 2023 17:27:51 +0200 | Subject | Re: [PATCH v2 3/3] arm64: dts: ti: k3-am64: Add PCIe PHY latency DT binding |
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Hi
> > From: Alexander Bahle <bahle@ibv-augsburg.de> > > Add DT bindings for the PCIe PHY latencies. Applies to PCIe in host and > endpoint mode. Setting these improves the PTM timestamp accuracy. > > The values are taken from the Link below. > > Signed-off-by: Alexander Bahle <bahle@ibv-augsburg.de> > Signed-off-by: Dominic Rath <rath@ibv-augsburg.de> > Link: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/998749/am6442-details-regarding-ptm-implementation > ---
Would it not make sense to add these dts properties to k3-am64-main.dtsi? At least this is what the commit message says.
> arch/arm64/boot/dts/ti/k3-am642-evm.dts | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > index 39feea78a084..f448c98f1aa1 100644 > --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts > @@ -552,6 +552,8 @@ serdes0_pcie_link: phy@0 { > #phy-cells = <0>; > cdns,phy-type = <PHY_TYPE_PCIE>; > resets = <&serdes_wiz0 1>; > + tx-phy-latency-ps = <138800 69400>; > + rx-phy-latency-ps = <185200 92600>; > }; > }; > > -- > 2.36.0 >
-- greets -- Christian Gmeiner, MSc
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