From: J. Neuschäfer Date: Fri, 28 Feb 2025 17:32:51 +0000 (+0100) Subject: dt-bindings: net: fsl,gianfar-mdio: Update information about TBI X-Git-Tag: v6.15-rc1~160^2~180^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0386e29e60bdb0985f4bdf1c4a7fadebdef724be;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: net: fsl,gianfar-mdio: Update information about TBI When this binding was originally written, all known TSEC Ethernet controllers had a Ten-Bit Interface (TBI). However, some datasheets such as for the MPC8315E suggest that this is not universally true: The eTSECs do not support TBI, GMII, and FIFO operating modes, so all references to these interfaces and features should be ignored for this device. Acked-by: Rob Herring (Arm) Signed-off-by: J. Neuschäfer Link: https://patch.msgid.link/20250228-gianfar-yaml-v2-2-6beeefbd4818@posteo.net Signed-off-by: Jakub Kicinski --- diff --git a/Documentation/devicetree/bindings/net/fsl,gianfar-mdio.yaml b/Documentation/devicetree/bindings/net/fsl,gianfar-mdio.yaml index 22369771c1361..03c819bc701be 100644 --- a/Documentation/devicetree/bindings/net/fsl,gianfar-mdio.yaml +++ b/Documentation/devicetree/bindings/net/fsl,gianfar-mdio.yaml @@ -11,13 +11,12 @@ description: connected. For each device that exists on this bus, a child node should be created. - As of this writing, every TSEC is associated with an internal Ten-Bit - Interface (TBI) PHY. This PHY is accessed through the local MDIO bus. These - buses are defined similarly to the mdio buses, except they are compatible - with "fsl,gianfar-tbi". 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. + Some TSECs are associated with an internal Ten-Bit Interface (TBI) PHY. This + PHY is accessed through the local MDIO bus. These buses are defined similarly + to the mdio buses, except they are compatible with "fsl,gianfar-tbi". 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. maintainers: - J. Neuschäfer