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>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts
index 761faa7b6964..ac1eb320c7b4 100644
--- a/arch/powerpc/boot/dts/mpc8313erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
@@ -176,6 +176,19 @@
                         sleep = <&pmc 0x00300000>;
                 };
 
+                ptp_clock@24E00 {
+                        compatible = "fsl,etsec-ptp";
+                        reg = <0x24E00 0xB0>;
+                        interrupts = <12 0x8 13 0x8>;
+                        interrupt-parent = < &ipic >;
+                        fsl,tclk-period = <10>;
+                        fsl,tmr-prsc    = <100>;
+                        fsl,tmr-add     = <0x999999A4>;
+                        fsl,tmr-fiper1  = <0x3B9AC9F6>;
+                        fsl,tmr-fiper2  = <0x00018696>;
+                        fsl,max-adj     = <659999998>;
+                };
+
                 enet0: ethernet@24000 {
                         #address-cells = <1>;
                         #size-cells = <1>;