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This protects > against EMI violations. Hence, enable internal SSC for USB SuperSpeed. > > Fixes: c48ac0efe6d7 ("arm64: dts: ti: Add support for phyBOARD-Electra-AM642") > Cc: > Signed-off-by: Siddharth Vadapalli > --- > > v1: > https://lore.kernel.org/r/20260505110631.1144200-3-s-vadapalli@ti.com/ > No changes since v1. > > arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts > index 793538f94942..a85d7d08bd1b 100644 > --- a/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts > @@ -439,12 +439,21 @@ &sdhci1 { > status = "okay"; > }; > > +&serdes_wiz0 { > + ti,core-clk-sel = <1>; /* Select internal reference clock */ > + ti,ssc-enable; /* Enable SSC */ > + ti,ssc-type = <1>; /* 1 for Downspread */ > + ti,ssc-frequency-hz = <33000>; /* 33 KHz */ > + ti,ssc-depth-per-mil = <5>; /* 0.5% depth */ I don't think the comments are very helpful. The property names already give a meaning. Regards, Wadim > +}; > + > &serdes0 { > serdes0_pcie_usb_link: phy@0 { > reg = <0>; > cdns,num-lanes = <1>; > #phy-cells = <0>; > cdns,phy-type = ; > + cdns,ssc-mode = <2>; /* 2 for internal SSC */ > resets = <&serdes_wiz0 1>; > }; > };