[PATCH v3] powerpc/83xx: gianfar_ptp: select 1588 clock source through dts file
Kumar Gala
galak at kernel.crashing.org
Sat Sep 28 01:28:01 EST 2013
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 at skitlab.ru>
> ---
> 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 at codeaurora.org>
- k
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