On Fri, Sep 11, 2015 at 10:22 PM, Sören Brinkmann <soren.brinkmann@xxxxxxxxxx> wrote: > Hi Harini, > > On Fri, 2015-09-11 at 01:27PM +0530, Harini Katakam wrote: >> Add TSU clock frequency to be used for 1588 support in macb driver. >> >> Signed-off-by: Harini Katakam <harinik@xxxxxxxxxx> >> --- >> Documentation/devicetree/bindings/net/macb.txt | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt >> index b5d7976..f7c0ea8 100644 >> --- a/Documentation/devicetree/bindings/net/macb.txt >> +++ b/Documentation/devicetree/bindings/net/macb.txt >> @@ -19,6 +19,9 @@ Required properties: >> Optional elements: 'tx_clk' >> - clocks: Phandles to input clocks. >> >> +Optional properties: >> +- tsu-clk: Time stamp unit clock frequency used. > > Why are we not using the CCF and a clk_get_rate() in the driver? > If the clock source was only internal, we could use this approach as usual. But TSU clock can be configured to come from an external clock source or internal. Regards, Harini -- 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