ptp: Added a clock that uses the eTSEC found on the MPC85xx.
The eTSEC includes a PTP clock with quite a few features. This patch adds
support for the basic clock adjustment functions, plus two external time
stamps, one alarm, and the PPS callback.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/arch/powerpc/boot/dts/p2020rdb.dts b/arch/powerpc/boot/dts/p2020rdb.dts
index 3782a58..1d7a05f 100644
--- a/arch/powerpc/boot/dts/p2020rdb.dts
+++ b/arch/powerpc/boot/dts/p2020rdb.dts
@@ -224,6 +224,19 @@
status = "disabled";
};
+ ptp_clock@24E00 {
+ compatible = "fsl,etsec-ptp";
+ reg = <0x24E00 0xB0>;
+ interrupts = <68 2 69 2 70 2>;
+ interrupt-parent = < &mpic >;
+ fsl,tclk-period = <5>;
+ fsl,tmr-prsc = <200>;
+ fsl,tmr-add = <0xCCCCCCCD>;
+ fsl,tmr-fiper1 = <0x3B9AC9FB>;
+ fsl,tmr-fiper2 = <0x0001869B>;
+ fsl,max-adj = <249999999>;
+ };
+
enet0: ethernet@24000 {
fixed-link = <1 1 1000 0 0>;
phy-connection-type = "rgmii-id";