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authorBin Meng <bmeng.cn@gmail.com>2016-01-11 22:41:25 -0800
committerJoe Hershberger <joe.hershberger@ni.com>2016-01-28 12:23:19 -0600
commita1c76c150831168c09810006ede95b164fa292df (patch)
treea9cabc1f97c6d54026b61e76679d32f429153b82 /doc
parent9a1d6af55ecd73938d49076422e87da9f87fc68f (diff)
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net: tsec: Use priv->tbiaddr to initialize TBI PHY address
Add a new member 'tbiaddr' to tsec_private struct. For non-DM driver, it is initialized as CONFIG_SYS_TBIPA_VALUE, but for DM driver, we can get this from device tree. Update the bindings doc as well. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/device-tree-bindings/net/fsl-tsec-phy.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/net/fsl-tsec-phy.txt b/doc/device-tree-bindings/net/fsl-tsec-phy.txt
index dbe91aa..c5bf48c 100644
--- a/doc/device-tree-bindings/net/fsl-tsec-phy.txt
+++ b/doc/device-tree-bindings/net/fsl-tsec-phy.txt
@@ -41,3 +41,24 @@ Example:
reg = <0>;
};
};
+
+* TBI Internal MDIO bus
+
+As of this writing, every tsec is associated with an internal TBI PHY.
+This PHY is accessed through the local MDIO bus. These buses are defined
+similarly to the mdio buses. The TBI PHYs underneath them are similar to
+normal PHYs, but the reg property is considered instructive, rather than
+descriptive. The reg property should be chosen so it doesn't interfere
+with other PHYs on the bus. The TBI PHYs are referred to by a "tbi-handle"
+property under the tsec node, which has a similar meaning of "phy-handle".
+
+Example:
+ ethernet@24000 {
+ phy-handle = <&tbi1>;
+ };
+
+ mdio@24520 {
+ tbi1: tbi-phy@1f {
+ reg = <0x1f>;
+ };
+ };