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[net-next,11/13] devicetree: net: dsa: qca8k: Document qca,sgmii-enable-pll

Message ID 20211006223603.18858-12-ansuelsmth@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Multiple improvement for qca8337 switch | expand

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Commit Message

Christian Marangi Oct. 6, 2021, 10:36 p.m. UTC
Document qca,sgmii-enable-pll binding used in the CPU nodes to
enable SGMII PLL on MAC config.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
---
 Documentation/devicetree/bindings/net/dsa/qca8k.txt | 2 ++
 1 file changed, 2 insertions(+)

Comments

Andrew Lunn Oct. 7, 2021, 12:31 a.m. UTC | #1
> +- qca,sgmii-enable-pll  : For SGMII CPU port, explicitly enable PLL, TX and RX
> +                          chain along with Signal Detection.

Continuing on with the comment in the previous post. You might want to
give a hit when this is needed.

     Andrew
Christian Marangi Oct. 7, 2021, 1:37 p.m. UTC | #2
On Thu, Oct 07, 2021 at 02:31:37AM +0200, Andrew Lunn wrote:
> > +- qca,sgmii-enable-pll  : For SGMII CPU port, explicitly enable PLL, TX and RX
> > +                          chain along with Signal Detection.
> 
> Continuing on with the comment in the previous post. You might want to
> give a hit when this is needed.
> 
>      Andrew

Ok I can put here all the finding with the common configuration found
with qca8327 and qca8337 so someone can try to guess the correct value.
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
index 780d1e60c425..550f4313c6e0 100644
--- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
+++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
@@ -42,6 +42,8 @@  A CPU port node has the following optional node:
                           managed entity. See
                           Documentation/devicetree/bindings/net/fixed-link.txt
                           for details.
+- qca,sgmii-enable-pll  : For SGMII CPU port, explicitly enable PLL, TX and RX
+                          chain along with Signal Detection.
 
 For QCA8K the 'fixed-link' sub-node supports only the following properties: