Author: nbd
Date: 2016-01-17 12:16:52 +0100 (Sun, 17 Jan 2016)
New Revision: 48275

Modified:
   trunk/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts
Log:
mpc85xx: Add PTP node for TL-WD4900 in device tree

PTP requires at least one timer to be 1PPS so describe it.
For testing, load kernel module gianfar_ptp and use ptp4l
from linuxptp.

Copied from FSL P1010RDB reference design.

Signed-off-by: Wojciech Dubowik <[email protected]>

Modified: 
trunk/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts
===================================================================
--- trunk/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts    
2016-01-17 11:06:02 UTC (rev 48274)
+++ trunk/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts    
2016-01-17 11:16:52 UTC (rev 48275)
@@ -145,6 +145,19 @@
                can1: can@1d000 {
                        status = "disabled";
                };
+
+               ptp_clock@b0e00 {
+                       compatible = "fsl,etsec-ptp";
+                       reg = <0xb0e00 0xb0>;
+                       interrupts = <68 2 0 0 69 2 0 0 70 2 0 0>;
+                       fsl,cksel       = <1>;
+                       fsl,tclk-period = <5>;
+                       fsl,tmr-prsc    = <2>;
+                       fsl,tmr-add     = <0xcccccccd>;
+                       fsl,tmr-fiper1  = <0x3b9ac9fb>; /* 1PPS */
+                       fsl,tmr-fiper2  = <0x00018696>;
+                       fsl,max-adj     = <249999999>;
+               };
        };
 
        pci0: pcie@ffe09000 {
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