Re: [PATCH 3/3] ptp: Added a clock that uses the eTSEC found on the MPC85xx.

[Kumar Gala <galak@kernel.crashing.org>]

On Apr 29, 2010, at 4:20 AM, Richard Cochran wrote:

> The eTSEC includes a PTP clock with quite a few features. This patch =
adds
> support for the basic clock adjustment functions.
>=20
> Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
> ---
> arch/powerpc/boot/dts/mpc8313erdb.dts |   14 ++
> arch/powerpc/boot/dts/p2020ds.dts     |   13 ++
> arch/powerpc/boot/dts/p2020rdb.dts    |   14 ++
> drivers/net/Makefile                  |    1 +
> drivers/net/gianfar_ptp.c             |  308 =
+++++++++++++++++++++++++++++++++
> drivers/net/gianfar_ptp_reg.h         |  107 ++++++++++++
> drivers/ptp/Kconfig                   |   13 ++
> 7 files changed, 470 insertions(+), 0 deletions(-)
> create mode 100644 drivers/net/gianfar_ptp.c
> create mode 100644 drivers/net/gianfar_ptp_reg.h
>=20
> diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts =
b/arch/powerpc/boot/dts/mpc8313erdb.dts
> index 183f2aa..b760aee 100644
> --- a/arch/powerpc/boot/dts/mpc8313erdb.dts
> +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
> @@ -208,6 +208,20 @@
> 			sleep =3D <&pmc 0x00300000>;
> 		};
>=20
> +		ptp_clock@24E00 {
> +			device_type =3D "ptp_clock";
> +			model =3D "eTSEC";
> +			reg =3D <0x24E00 0xB0>;
> +			interrupts =3D <0x0C 2 0x0D 2>;
> +			interrupt-parent =3D < &ipic >;
> +			tclk_period =3D <10>;
> +			tmr_prsc    =3D <100>;
> +			tmr_add     =3D <0x999999A4>;
> +			cksel       =3D <0x1>;
> +			tmr_fiper1  =3D <0x3B9AC9F6>;
> +			tmr_fiper2  =3D <0x00018696>;
> +		};
> +
> 		enet0: ethernet@24000 {
> 			#address-cells =3D <1>;
> 			#size-cells =3D <1>;

Is there a binding document that describes this node you are adding?

- k=