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Message-ID: <bc9a985b-0623-b1fd-8cc1-575d8b318560@ti.com> Date: Wed, 12 Oct 2016 13:43:57 +0530 From: Mugunthan V N <mugunthanvnm@...com> To: Rob Herring <robh@...nel.org> CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, Mark Rutland <mark.rutland@....com>, Tony Lindgren <tony@...mide.com>, Russell King <linux@...linux.org.uk>, Florian Fainelli <f.fainelli@...il.com>, David Miller <davem@...emloft.net>, Sekhar Nori <nsekhar@...com> Subject: Re: [PATCH v3 1/4] net: phy: dp83867: Add documentation for optional impedance control On Monday 10 October 2016 06:48 PM, Rob Herring wrote: > On Thu, Oct 06, 2016 at 10:43:52AM +0530, Mugunthan V N wrote: >> Add documention of ti,impedance-control which can be used to > > Needs updating. Oops, will update this in next version. > >> correct MAC impedance mismatch using phy extended registers. >> >> Signed-off-by: Mugunthan V N <mugunthanvnm@...com> >> --- >> Documentation/devicetree/bindings/net/ti,dp83867.txt | 12 ++++++++++++ >> 1 file changed, 12 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt >> index 5d21141..85bf945 100644 >> --- a/Documentation/devicetree/bindings/net/ti,dp83867.txt >> +++ b/Documentation/devicetree/bindings/net/ti,dp83867.txt >> @@ -9,6 +9,18 @@ Required properties: >> - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h >> for applicable values >> >> +Optional property: >> + - ti,min-output-impedance - MAC Interface Impedance control to set >> + the programmable output impedance to >> + minimum value (35 ohms). >> + - ti,max-output-impedance - MAC Interface Impedance control to set >> + the programmable output impedance to >> + maximum value (70 ohms). > > Define what are valid range of values for these. The values are already mentioned in documentation as 35/70 ohms. Are you mentioning about the register values? Regards Mugunthan V N
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