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[v2] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties

Message ID 1465504648-15038-1-git-send-email-aaro.koskinen@iki.fi
State Accepted, archived
Headers show

Commit Message

Aaro Koskinen June 9, 2016, 8:37 p.m. UTC
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>
---

	v2: Update the description.

	v1: http://marc.info/?l=devicetree&m=146507906104224&w=2

 Documentation/devicetree/bindings/net/cavium-pip.txt | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Rob Herring June 10, 2016, 5:50 p.m. UTC | #1
On Thu, Jun 09, 2016 at 11:37:28PM +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>
> ---
> 
> 	v2: Update the description.
> 
> 	v1: http://marc.info/?l=devicetree&m=146507906104224&w=2
> 
>  Documentation/devicetree/bindings/net/cavium-pip.txt | 6 ++++++
>  1 file changed, 6 insertions(+)

Acked-by: Rob Herring <robh@kernel.org>
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
index 7dbd158..e3b8fe71 100644
--- a/Documentation/devicetree/bindings/net/cavium-pip.txt
+++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
@@ -37,6 +37,12 @@  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.
+  Value range is 1-31, and mapping to the actual delay varies depending on HW.
+
+- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
+  Value range is 1-31, and mapping to the actual delay varies depending on HW.
+
 Example:
 
 	pip@11800a0000000 {