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According to my understand, it should be board level configuration. FEC support output pps to any one. choose which one by board design. Frank > > Signed-off-by: Francesco Dolcini > --- > arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi > index a4a10ce03bfe..a9fd47041e3a 100644 > --- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi > @@ -121,6 +121,7 @@ fec1: ethernet@5b040000 { > assigned-clock-rates = <250000000>, <125000000>; > fsl,num-tx-queues = <3>; > fsl,num-rx-queues = <3>; > + fsl,pps-channel = <1>; > power-domains = <&pd IMX_SC_R_ENET_0>; > status = "disabled"; > }; > @@ -141,6 +142,7 @@ fec2: ethernet@5b050000 { > assigned-clock-rates = <250000000>, <125000000>; > fsl,num-tx-queues = <3>; > fsl,num-rx-queues = <3>; > + fsl,pps-channel = <1>; > power-domains = <&pd IMX_SC_R_ENET_1>; > status = "disabled"; > }; > -- > 2.39.2 >