Re: [PATCH v3] powerpc/83xx: gianfar_ptp: select 1588 clock source through dts file

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Sep 27, 2013, at 8:40 AM, Aida Mynzhasova wrote:

> Currently IEEE 1588 timer reference clock source is determined through
> hard-coded value in gianfar_ptp driver. This patch allows to select ptp
> clock source by means of device tree file node.
> 
> For instance:
> 
> 	fsl,cksel = <0>;
> 
> for using external (TSEC_TMR_CLK input) high precision timer
> reference clock.
> 
> Other acceptable values:
> 
> 	<1> : eTSEC system clock
> 	<2> : eTSEC1 transmit clock
> 	<3> : RTC clock input
> 
> When this attribute isn't used, eTSEC system clock will serve as
> IEEE 1588 timer reference clock.
> 
> Signed-off-by: Aida Mynzhasova <aida.mynzhasova@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/net/fsl-tsec-phy.txt | 18 +++++++++++++++++-
> drivers/net/ethernet/freescale/gianfar_ptp.c           |  4 +++-
> 2 files changed, 20 insertions(+), 2 deletions(-)

Acked-by: Kumar Gala <galak@xxxxxxxxxxxxxx>

- k--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]
  Powered by Linux