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2015-12-20phy: rcar-gen3-usb2: add runtime ID/VBUS pin detectionYoshihiro Shimoda1-0/+2
This patch adds support for runtime ID/VBUS pin detection if the channel 0 of R-Car gen3 is used. So, we are able to use the channel as both host and peripheral. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-20phy: rcar-gen3-usb2: Add R-Car Gen3 USB2 PHY driverYoshihiro Shimoda1-0/+37
This patch adds support for R-Car generation 3 USB2 PHY driver. This SoC has 3 EHCI/OHCI channels, and the channel 0 is shared with the HSUSB (USB2.0 peripheral) device. And each channel has independent registers about the PHYs. So, the purpose of this driver is: 1) initializes some registers of SoC specific to use the {ehci,ohci}-platform driver. 2) detects id pin to select host or peripheral on the channel 0. For now, this driver only supports 1) above. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>