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Date: Mon, 14 Sep 2015 09:39:05 +0530 From: Harini Katakam <harinikatakamlinux@...il.com> To: Sören Brinkmann <soren.brinkmann@...inx.com> Cc: Harini Katakam <harini.katakam@...inx.com>, Nicolas Ferre <nicolas.ferre@...el.com>, davem@...emloft.net, Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>, Mark Rutland <mark.rutland@....com>, "ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, boris.brezillon@...e-electrons.com, alexandre.belloni@...e-electrons.com, netdev@...r.kernel.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, Punnaiah Choudary Kalluri <punnaia@...inx.com>, "michals@...inx.com" <michals@...inx.com>, anirudh@...inx.com Subject: Re: [RFC PATCH 3/3] devicetree: macb: Add optional property tsu-clk On Fri, Sep 11, 2015 at 10:22 PM, Sören Brinkmann <soren.brinkmann@...inx.com> 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@...inx.com> >> --- >> 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 netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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