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mpc85xx: Add PTP node for TL-WD4900 in device tree

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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 <Wojciech.Dubowik@neratec.com>

SVN-Revision: 48275
This commit is contained in:
Felix Fietkau 2016-01-17 11:16:52 +00:00
parent e2e8cb8347
commit 271a348cda
1 changed files with 13 additions and 0 deletions
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13
target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts
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@ -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 {