[net-next PATCH v2 11/15] dt-bindings: net: dsa: qca8k: Document qca,sgmii-enable-pll
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: 2021-10-08 00:23:44
Also in:
linux-devicetree, lkml
Subsystem:
networking drivers, networking [dsa], open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
index 208ee5bc1bbb..b9cccb657373 100644
--- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
+++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt@@ -50,6 +50,12 @@ 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. + This should NOT be enabled for qca8327. + This can be required for qca8337 switch with revision 2. + With CPU port set to sgmii and qca8337 it is advised + to set this unless a communication problem is observed. For QCA8K the 'fixed-link' sub-node supports only the following properties:
--
2.32.0