arm64: dts: ls1028a: support external trigger timestamp fifo of PTP timer

There is an external trigger timestamp fifo for PTP timer
of LS1028A. Add property fsl,extts-fifo for that.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 0bf375ec959b3dbd0d4735bc7bb6523d22793e78..da3906858430d0cde9fadd4b207d3932e03fab0c 100644 (file)
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -722,6 +722,7 @@
                                reg = <0x000400 0 0 0 0>;
                                clocks = <&clockgen 4 0>;
                                little-endian;
+                               fsl,extts-fifo;
                        };
                };
        };