Messages in this thread |  | | From | Florian Fainelli <> | Subject | Re: [PATCH v2] ARM: dts: BCM5301X: Make usb3 phy use mdio phy driver | Date | Tue, 12 Jun 2018 11:49:39 -0700 |
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On Mon, 9 Apr 2018 18:31:53 -0400, Vivek Unune <npcomplete13@gmail.com> wrote: > Currently, usb3 phy in bcm5301x.dtsi uses platform driver which > requires register range "ccb-mii" <0x18003000 0x1000>. This range > overlaps with mdio cmd and param registers (<0x18003000 0x8>). > Essentially, the platform driver partly acts like a mdio bus > driver, hence to use of this register range. > > In some Northstar devices like Linksys EA9500, secondary switch > is connected via external mdio. The only way to access and > configure the external switch is via mdio bus. When we enable the > mdio bus in it's current state, the mdio bus and any child buses > fail to register because of the register range overlap. > > On Northstar, the usb3 phy is connected at address 0x10 on the > internal mdio bus. This change moves the usb3_phy node and makes > it a child node of internal mdio bus. > > Thanks to Rafał Miłecki's commit af850e14a7ae > ("phy: bcm-ns-usb3: add MDIO driver using proper bus layer") the > same usb3 platform driver can now act as usb3 phy mdio driver. > > Tested on Linksys Panamera (EA9500) > > Signed-off-by: Vivek Unune <npcomplete13@gmail.com> > ---
Applied to devicetree/next, thanks! -- Florian
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