On Sun, 13 Jun 2021 10:46:37 +0100, Matthew Hagan <mnhagan88@xxxxxxxxx> wrote: > This patch largely replicates Vivek Unune's patch "ARM: dts: > BCM5301X:Make usb3 phy use mdio phy driver"[1] for the NSP platform, > whereby we need to create an mdio-mux to facilitate switches > configured via external MDIO, in this case on the Meraki MX65. > > However in doing so, we are creating an overlap with usb3_phy's > ccb-mii range. To resolve this, usb3_phy should be moved to a child > node of the internal MDIO bus. The result is heavily based upon Vivek's > patch. This has also been cross-referenced with Yendapally Reddy's > earlier work which utilised the subsequently dropped brcm,nsp-usb3-phy > driver: "[PATCH v2 4/4] arm: dts: nsp: Add USB nodes to device tree" > [2]. Finally, this change provides conformance to the bcm-ns-usb3-phy > documentation, utilising the required usb3-dmp-syscon property. Note > that support for the deprecated ccb-mii bindings has been dropped as of > "phy: phy-bcm-ns-usb3: drop support for deprecated DT binding"[3]. > > [1] https://lore.kernel.org/patchwork/patch/933971/ > [2] https://www.spinics.net/lists/arm-kernel/msg555132.html > [3] https://lore.kernel.org/linux-devicetree/20201113113423.9466-1-zajec5@xxxxxxxxx/ > > Signed-off-by: Matthew Hagan <mnhagan88@xxxxxxxxx> > --- Applied to https://github.com/Broadcom/stblinux/commits/devicetree/next, thanks! -- Florian
