* [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
@ 2016-06-04 22:24 Aaro Koskinen
2016-06-08 19:18 ` Rob Herring
0 siblings, 1 reply; 6+ messages in thread
From: Aaro Koskinen @ 2016-06-04 22:24 UTC (permalink / raw)
To: Rob Herring, David Daney, devicetree; +Cc: linux-kernel, Aaro Koskinen
Document cavium-pip rx-delay/tx-delay properties. Currently the board
specific values need to be hardcoded in the platform code, which we
want to avoid when moving to DT-only booting.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
---
Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
index 7dbd158..edbf411 100644
--- a/Documentation/devicetree/bindings/net/cavium-pip.txt
+++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
@@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
- phy-handle: Optional, see ethernet.txt file in the same directory.
+- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
+
+- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
+
Example:
pip@11800a0000000 {
--
2.7.2
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
@ 2016-06-08 19:18 ` Rob Herring
0 siblings, 0 replies; 6+ messages in thread
From: Rob Herring @ 2016-06-08 19:18 UTC (permalink / raw)
To: Aaro Koskinen; +Cc: David Daney, devicetree, linux-kernel
On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
> Document cavium-pip rx-delay/tx-delay properties. Currently the board
> specific values need to be hardcoded in the platform code, which we
> want to avoid when moving to DT-only booting.
>
> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> ---
> Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
> index 7dbd158..edbf411 100644
> --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
> +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
> @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
>
> - phy-handle: Optional, see ethernet.txt file in the same directory.
>
> +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
> +
> +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
What are the units? Use standard unit suffix if in ns, us, etc.
> +
> Example:
>
> pip@11800a0000000 {
> --
> 2.7.2
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
@ 2016-06-08 19:18 ` Rob Herring
0 siblings, 0 replies; 6+ messages in thread
From: Rob Herring @ 2016-06-08 19:18 UTC (permalink / raw)
To: Aaro Koskinen
Cc: David Daney, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
> Document cavium-pip rx-delay/tx-delay properties. Currently the board
> specific values need to be hardcoded in the platform code, which we
> want to avoid when moving to DT-only booting.
>
> Signed-off-by: Aaro Koskinen <aaro.koskinen-X3B1VOXEql0@public.gmane.org>
> ---
> Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
> index 7dbd158..edbf411 100644
> --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
> +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
> @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
>
> - phy-handle: Optional, see ethernet.txt file in the same directory.
>
> +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
> +
> +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
What are the units? Use standard unit suffix if in ns, us, etc.
> +
> Example:
>
> pip@11800a0000000 {
> --
> 2.7.2
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
2016-06-08 19:18 ` Rob Herring
(?)
@ 2016-06-08 19:51 ` Aaro Koskinen
2016-06-09 19:03 ` Rob Herring
-1 siblings, 1 reply; 6+ messages in thread
From: Aaro Koskinen @ 2016-06-08 19:51 UTC (permalink / raw)
To: Rob Herring; +Cc: David Daney, devicetree, linux-kernel
Hi,
On Wed, Jun 08, 2016 at 02:18:42PM -0500, Rob Herring wrote:
> On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
> > Document cavium-pip rx-delay/tx-delay properties. Currently the board
> > specific values need to be hardcoded in the platform code, which we
> > want to avoid when moving to DT-only booting.
> >
> > Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
> > ---
> > Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
> > index 7dbd158..edbf411 100644
> > --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
> > +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
> > @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
> >
> > - phy-handle: Optional, see ethernet.txt file in the same directory.
> >
> > +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
> > +
> > +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
>
> What are the units? Use standard unit suffix if in ns, us, etc.
This is a raw register value, and the mapping to actual delay varies
depending on HW, AFAIK.
A.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
@ 2016-06-09 19:03 ` Rob Herring
0 siblings, 0 replies; 6+ messages in thread
From: Rob Herring @ 2016-06-09 19:03 UTC (permalink / raw)
To: Aaro Koskinen; +Cc: David Daney, devicetree, linux-kernel
On Wed, Jun 8, 2016 at 2:51 PM, Aaro Koskinen <aaro.koskinen@iki.fi> wrote:
> Hi,
>
> On Wed, Jun 08, 2016 at 02:18:42PM -0500, Rob Herring wrote:
>> On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
>> > Document cavium-pip rx-delay/tx-delay properties. Currently the board
>> > specific values need to be hardcoded in the platform code, which we
>> > want to avoid when moving to DT-only booting.
>> >
>> > Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
>> > ---
>> > Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
>> > 1 file changed, 4 insertions(+)
>> >
>> > diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > index 7dbd158..edbf411 100644
>> > --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
>> >
>> > - phy-handle: Optional, see ethernet.txt file in the same directory.
>> >
>> > +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
>> > +
>> > +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
>>
>> What are the units? Use standard unit suffix if in ns, us, etc.
>
> This is a raw register value, and the mapping to actual delay varies
> depending on HW, AFAIK.
Then state that in the description.
Rob
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
@ 2016-06-09 19:03 ` Rob Herring
0 siblings, 0 replies; 6+ messages in thread
From: Rob Herring @ 2016-06-09 19:03 UTC (permalink / raw)
To: Aaro Koskinen
Cc: David Daney, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
On Wed, Jun 8, 2016 at 2:51 PM, Aaro Koskinen <aaro.koskinen-X3B1VOXEql0@public.gmane.org> wrote:
> Hi,
>
> On Wed, Jun 08, 2016 at 02:18:42PM -0500, Rob Herring wrote:
>> On Sun, Jun 05, 2016 at 01:24:02AM +0300, Aaro Koskinen wrote:
>> > Document cavium-pip rx-delay/tx-delay properties. Currently the board
>> > specific values need to be hardcoded in the platform code, which we
>> > want to avoid when moving to DT-only booting.
>> >
>> > Signed-off-by: Aaro Koskinen <aaro.koskinen-X3B1VOXEql0@public.gmane.org>
>> > ---
>> > Documentation/devicetree/bindings/net/cavium-pip.txt | 4 ++++
>> > 1 file changed, 4 insertions(+)
>> >
>> > diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > index 7dbd158..edbf411 100644
>> > --- a/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > +++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
>> > @@ -37,6 +37,10 @@ Properties for PIP port which is a child the PIP interface:
>> >
>> > - phy-handle: Optional, see ethernet.txt file in the same directory.
>> >
>> > +- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
>> > +
>> > +- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
>>
>> What are the units? Use standard unit suffix if in ns, us, etc.
>
> This is a raw register value, and the mapping to actual delay varies
> depending on HW, AFAIK.
Then state that in the description.
Rob
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To unsubscribe from this list: send the line "unsubscribe devicetree" in
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^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-06-09 19:03 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-06-04 22:24 [PATCH] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties Aaro Koskinen
2016-06-08 19:18 ` Rob Herring
2016-06-08 19:18 ` Rob Herring
2016-06-08 19:51 ` Aaro Koskinen
2016-06-09 19:03 ` Rob Herring
2016-06-09 19:03 ` Rob Herring
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