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This protects against EMI violations. Hence, enable internal SSC for USB SuperSpeed. Fixes: 39ac6623b1d8 ("arm64: dts: ti: Add Aquila AM69 Support") Cc: Signed-off-by: Siddharth Vadapalli --- v1: https://lore.kernel.org/r/20260505110631.1144200-8-s-vadapalli@ti.com/ Changes since v1: - Reordered properties in serdes_wiz0 node to place status at the end. arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi index 5119baf62a4c..a5228a7d8339 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi @@ -1423,6 +1423,7 @@ serdes0_usb0_ss_link: phy@3 { resets = <&serdes_wiz0 4>; cdns,num-lanes = <1>; cdns,phy-type = ; + cdns,ssc-mode = <2>; /* 2 for internal SSC */ }; }; @@ -1501,6 +1502,11 @@ &serdes_ln_ctrl { }; &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 */ status = "okay"; }; -- 2.51.1